Class / Patent application number | Description | Number of patent applications / Date published |
435266000 | Treating gas, emulsion, or foam | 73 |
20080206844 | Method and Apparatus for Treatment of Gases - A method and apparatus for the treatment of contaminated gas which comprises placing a biofilter material ( | 08-28-2008 |
20080227181 | SYSTEM AND PROCESS FOR TREATING WASTE GAS EMPLOYING BIO-TREATMENT TECHNOLOGY - A waste gas treatment process using biological treatment technology including filtering waste gas to be treated, and introducing the filtered waste gas into a biological treatment system periodically and switchably from two ends of the system. | 09-18-2008 |
20090162922 | DIESEL EXHAUST GAS SCRUBBING METHOD FOR CARBON DIOXIDE REMOVAL - Systems and methods for removing carbon dioxide from gas, e.g., diesel exhaust gas, are provided. The systems involve uptake of carbon dioxide by algae in water to which the gas is exposed. | 06-25-2009 |
20090176295 | Use of mosses and/or lichens, element and method for reducing the particulate matter content of air - The invention relates to the use of mosses and/or lichens as agents for reducing the particulate matter content of air. | 07-09-2009 |
20090263890 | METHOD AND EQUIPMENT FOR REDUCING ENVIRONMENTAL POLLUTION - The invention relates to a method and equipment for reducing atmospheric pollution levels, reducing the concentration of fine dust and nitric oxides. The de-polluting system is based on a synergetic combination of nitrifying and denitrifying microorganisms on suitable supports. The product can be used internally and externally, at urban and industrial level. | 10-22-2009 |
20090305391 | Triphasic bioreactor and process for gas effluent treatment - A triphasic bioreactor for physico-chemically treating a gas is disclosed. The triphasic bioreactor comprises a reaction chamber with a liquid and biocatalysts in suspension in the liquid, for catalyzing a reaction between the gas and the liquid to obtain a treated gas and a solution containing a reaction product. A gas bubbling means is provided in the reaction chamber for bubbling the gas to be treated into the liquid thereby dissolving the gas into the liquid and increasing a pressure inside the reaction chamber. The bioreactor further comprises a liquid inlet in fluid communication with the reaction chamber for receiving the liquid and filling the reaction chamber, a liquid outlet in fluid communication with the reaction chamber for releasing the solution and a gas outlet in fluid communication with the reaction chamber to release the treated gas. The bioreactor further comprises a retention device to retain the biocatalysts in the reaction chamber. The invention also concerns a process using the triphasic bioreactor. The triphasic bioreactor may advantageously be used for removing carbonic dioxide from a CO | 12-10-2009 |
20100120128 | Eco-engineering for systematic carbon mitigation - To deal with climate change, the present invention provides an eco-engineering for systematic carbon mitigation, in particular, a comprehensive carbon management system with a group of Stabilized Functional Carbons (SFCs) to reduce the total amount of carbons in atmosphere. SFCs are sourced and manufactured from the carbon-fixed biomass by one of the seven thermo-chemical treatments or one dehydration treatment with no less than 75% carbon conversion rates of the source material. The present invention transforms the perishable biomass into SFCs, which act as a carbon sink with stability and safety for at least 40 years' storage. The primary eco-friendly carbon and non-carbon mitigation are achieved by the sourcing, manufacturing and storage of SFCs. The advanced eco-friendly carbon and non-carbon mitigation are achieved at various pollution emission sources by the resource utilization of SFCs. An annual total amount of 0.5-10 billion tons of carbon emission could be reduced globally. | 05-13-2010 |
20100184198 | Systems and Methods of Urea Processing to Reduce Sorbent Load - The present invention provides novel methods for removal and disposal of ammonia from spent dialysate in a dialysis system. Ammonium ions present in spent dialysate are converted into gaseous ammonia by raising the pH of the spent dialysate solution in a first reactor. Gaseous ammonia diffuses through a semi-permeable hydrophobic membrane at the outlet of the first reactor and into a second reactor via a gas channel. The second reactor converts gaseous ammonia into an ammonium compound for easy disposal. | 07-22-2010 |
20100203619 | CO2 ABSORPTION SOLUTION - Disclosed is a formulation for the absorption of CO | 08-12-2010 |
20100210005 | Carbon Sequestration Using a Floating Vessel - Disclosed is a method for removing carbon dioxide from the atmosphere. The method comprises the step of delivering urea from a floating vessel to a region of a photic zone of the ocean, whereby the number of phytoplankton is caused to increase in the region upon addition of the urea. The method can be used for producing carbon cells. | 08-19-2010 |
20100233789 | METHOD AND SYSTEM FOR REMOVING CO2 FROM THE ATMOSPHERE - A system for removing gaseous pollutants from air enriched with the pollutants includes a cultivation environment configured to cultivate vegetation under exposure to pollutant enriched air, and a transformation unit configured to transform an encapsulation material to a transitory viscous or liquid state. Further, the system includes a mixing unit configured to combine the vegetation with the viscous or liquid encapsulation material, and a receptacle configured to receive a mixture of vegetation and viscous or liquid encapsulation material, wherein the mixture hardens within the receptacle. | 09-16-2010 |
20100233790 | METHOD FOR BIOLOGICAL TREATMENT OF AN AIR STREAM CONTAINING VOCS - A method of operating a facility that produces an emission air stream containing gas phase organic compounds includes providing a bio-oxidation system including a solid, biologically active filter material containing a population of thermophilic microbes. The emission air stream is supplied to the bio-oxidation system at a temperature of at least about 50° C., whereby the emission air stream passes through the bio-oxidation system in contact with the biologically active filter material. Conditions conducive to sustaining the population of thermophilic microbes in the biologically active filter material are maintained in the bio-oxidation system. | 09-16-2010 |
20100267123 | METHOD FOR CO2 TRANSFER FROM GAS STREAMS TO AMMONIA SOLUTIONS - A method of recovering carbon dioxide from a stream of flue gases, includes: contacting the stream at a gas pressure above atmospheric pressure with an aqueous solvent system, containing ammonium, carbonate and bicarbonate ions, at a temperature above 10° C. to effect absorption of CO | 10-21-2010 |
20100291661 | METHOD OF REMOVING HARMFUL SUBSTANCES - [Problem to be Solved] Method for removing a toxic substance to remove the toxic substances such as carbon monoxide, carbon dioxide and the particulate matter is provided without using a catalyst by the rare metal from the gas which an internal combustion engine and an incinerator exhausted. | 11-18-2010 |
20110020915 | Extraction of CO2 Gas - A photo-bioreactor is used for extraction of carbon dioxide from exhaust gases of an engine used for compression of natural gas by providing a series of vessels and in each contacting the gases with a labyrinthine flow of water containing photo-synthetic organisms. Each vessel receives the gases in series and is controlled to manage the temperature and dwell time to take into account the reducing CO | 01-27-2011 |
20110020916 | Extraction of CO2 Gas - A photo-bioreactor is used for extraction of carbon dioxide from exhaust gases of an engine used for compression of natural gas by providing a series of vessels and in each contacting the gases with a labyrinthine flow of water containing photo-synthetic organisms. Each vessel receives the gases in series and is controlled to manage the temperature and dwell time to take into account the reducing CO | 01-27-2011 |
20110027870 | BIOMASS CARRIERS, METHOD AND APPARATUS FOR MANUFACTURE THEREOF AND FLUID TREATMENT SYSTEMS AND METHODS UTILIZING SAME - A biomass carrier including a multiplicity of generally elongate plastic biomass attachment strips joined to each other at least one location therealong, the multiplicity of generally elongate plastic biomass attachment strips being mutually arranged to define a generally deformable biomass carrier including generally outer disposed biomass attachment strips and generally inner disposed biomass attachment strips. Apparatus and methods for manufacture of the biomass carrier as well as fluid treatment systems and methods using the biomass carrier are also disclosed. | 02-03-2011 |
20110045576 | Carbonic Anhydrase System and Process for CO2 Containing Gas Effluent Treatment - A triphasic bioreactor for physico-chemically treating a gas is disclosed. The triphasic bioreactor comprises a reaction chamber with a liquid and biocatalysts in suspension in the liquid, for catalyzing a reaction between the gas and the liquid to obtain a treated gas and a solution containing a reaction product. A gas bubbling means is provided in the reaction chamber for bubbling the gas to be treated into the liquid thereby dissolving the gas into the liquid and increasing a pressure inside the reaction chamber. The bioreactor further comprises a liquid inlet in fluid communication with the reaction chamber for receiving the liquid and filling the reaction chamber, a liquid outlet in fluid communication with the reaction chamber for releasing the solution and a gas outlet in fluid communication with the reaction chamber to release the treated gas. The bioreactor further comprises a retention device to retain the biocatalysts in the reaction chamber. The invention also concerns a process using the triphasic bioreactor. The triphasic bioreactor may advantageously be used for removing carbonic dioxide from a CO | 02-24-2011 |
20110059518 | Vertical garden panel - Embodiments of the invention provide a planter system for supporting living plants on a vertical surface that includes a fabric folded into one or more vertically-arranged knife pleats; the pleats are secured and horizontally segmented into vertically arranged, upward facing pockets by a securing mechanism. The upward facing pockets are adapted hold a plant growth medium. Other aspects of the invention include a simple system for removing failing plants, and replacing them with healthy plants, already embedded in growth medium within a root liner pouch. The invention further includes an irrigation system. | 03-10-2011 |
20110159574 | SEPARATION AND SCRUBBING SYSTEM FOR EXHAUST GASES - A separation and scrubbing system for exhaust gases includes a plurality of industrial discharge outlets, a separation unit, pipelines to direct exhaust gases from the industrial discharge outlets to the separation unit and pipelines to return treated exhaust gases to stacks corresponding to the industrial discharge outlets. | 06-30-2011 |
20110159575 | LIQUID-PHASE GAS COLLECTION - A method for collecting combustion gases by (a) contacting a liquid phase with a gas flow containing said gases, where the liquid phase contains carbonate/bicarbonate buffer salts in a ratio of around 2:1, with a total inorganic carbon concentration no higher than 25 g/L and pH values between 8 and 12; and (b) recovering the CO2-rich liquid phase produced in step (a). | 06-30-2011 |
20110165663 | Mist Injector for Gas Treatment - A device and a method for producing a fine liquid mist and injecting the said mist into a gas stream to capture and remove very fine particulate pollutants. The pressurized gas stream is passed into a droplet generator ( | 07-07-2011 |
20110223650 | Modular Membrane Reactor and Process for Carbon Dioxide Extraction - The present invention relates to a reactor and a process suitable for extracting carbon dioxide from carbon dioxide-containing gas stream. The reactor is based on a two module system where absorption occurs in one module and desorption occurs in the other module. The carbon dioxide extraction may be catalyzed by carbonic anhydrase. | 09-15-2011 |
20110244555 | METHOD AND SYSTEM FOR PURIFYING RAW GASES, PARTICULARLY BIOGAS, FOR OBTAINING METHANE - In a method for purifying biogas, components present in the biogas, such as carbon dioxide, sulfur compounds and ammonia, are separated in a plurality of different process stages. The method is characterized by low energy consumption and an increase in methane concentration of at least 10% while keeping methane losses low. In a first purifying step, carbon dioxide, hydrogen sulfide, ammonia and other organic water-soluble substances in the raw gas are removed at normal pressure or at overpressure of up to 6 bar in a wash column using fresh water, methane gas having a methane concentration of at least 65% is withdrawn at the head of the wash column. Methane and carbon dioxide dissolved in the washing water are sequentially separated from the contaminated washing water discharged from the washing stage in a first stripping column at normal pressure and subsequently in a second stripping column in a vacuum. | 10-06-2011 |
20110287527 | Gas treatment appliance and gas treatment process - A gas treatment appliance and a gas treatment process are provided. The proportion of tar is decreased in a product gas formed on the gasification of carbonaceous feedstocks. The product gas or synthesis gas formed on the gasification of carbonaceous feedstocks is generally highly polluted with tar. This tar-polluted gas is exposed to a solid support substrate which is a support for bacteria which degrade tar. Suitable bacteria are, in particular, bacteria that occur in biogas-generating processes. The bacteria contained in the solid support substrate convert at least some of the tars and polycyclic aromatic hydrocarbons (PAHs) contained in the product gas into shorter-chain hydrocarbon compounds and methane which are not an industrial problem, and so their proportion is reduced in the product gas leaving the support substrate. In this manner the tar pollution in a synthesis gas or product gas can be reduced in a simple and inexpensive manner. | 11-24-2011 |
20120009657 | NOVEL FUSION CARBONIC ANHYDRASE/CELLULOSE BINDING POLYPEPTIDE ENCODED BY A NOVEL HYBRID GENE, AND METHOD OF CREATING AND USING THE SAME - The invention relates a novel hybrid carbonic anhydrase catalyst with the potential to contribute significantly to meeting targeted reductions in greenhouse gas emissions. In a preferred embodiment of the present invention at least a portion of a cellulose binding domain (CBD) of a protein is fused to another protein, carbonic anhydrase, (CA) to create a new multifunctional protein which can bind tightly to cellulose while maintaining its native catalytic ability to process CO | 01-12-2012 |
20120034680 | Process For Treating Carbon Dioxide Containing Gas - A process is disclosed for recycling carbon dioxide emissions from a fossil-fuel power plant into useful carbonated species The process primarily comprises the steps of: a) burning the fossil fuel, thereby generating heat and a hot exhaust gas containing CO | 02-09-2012 |
20120058545 | METHOD OF TREATING AN OFF-GAS STREAM AND AN APPARATUS THEREFOR - The present invention provides a method of treating an off-gas stream ( | 03-08-2012 |
20120064610 | SOLVENT AND METHOD FOR CO2 CAPTURE FROM FLUE GAS - The present disclosure describes the efficient use of a catalyst, an enzyme for example, to provide suitable real cyclic capacity to a solvent otherwise limited by its ability to absorb and maintain a high concentration of CO | 03-15-2012 |
20120083026 | Method for removing CO2 from a smoke or exhaust gas of a combustion process - A method and arrangement for removing CO | 04-05-2012 |
20120088292 | METHODS AND FORMULATIONS USING CARBONIC ANHYDRASE AND REACTION COMPOUND COMBINATIONS - Disclosed is a formulation for the absorption of CO | 04-12-2012 |
20120122195 | PROCESS FOR CO2 CAPTURE USING MICRO-PARTICLES COMPRISING BIOCATALYSTS - A process for capturing CO | 05-17-2012 |
20120129246 | FORMULATION AND PROCESS FOR CO2 CAPTURE USING CARBONATES AND BIOCATALYSTS - A formulation and process for capturing CO | 05-24-2012 |
20120142083 | BIOFILTER - A biofilter for use in treating contaminated gases is provided with a container having a layer of rubber particulate, which serves as a filter media. One preferred source of the rubber particulate is recycled tires. The rubber particulate provides a platform for the growth and maintenance of a microbial ecosystem that substantially treats the contaminated gases emanating from the waste. A plurality of different embodiments provide relatively simple inexpensive biofiltration solutions for a wide range of applications. A method of reducing odorous pollutants from products is also described wherein the product containing the pollutant or pollutants is passed through a layer of the rubber particulate material. | 06-07-2012 |
20120190101 | BIOLOGICAL OXIDATION OF HYDROGEN SULPHIDE IN A PSYCHROPHILIC ANAEROBIC DIGESTION BIOREACTOR SUBJECTED TO MICROAEROBIC CONDITIONS - A biological process for removing hydrogen sulphide from biogas is disclosed. The process involves injecting a small quantity of air into the gas phase or the liquid phase of a psychrophilic bioreactor to allow microbial flora to convert the hydrogen sulphide into elemental sulphur. | 07-26-2012 |
20120202275 | SYSTEM AND METHOD FOR REMOVING AIRBORNE CONTAMINANTS FROM EXHAUST GAS - The present invention provides a system and method for purifying and/or filtering gases. The system and method remove undesired species from a gas through the use of bioorganisms which reside in and on a filtration media. Water and nutrients can be supplied to the filtration media to promote the growth and biological activity of the bioorganisms. | 08-09-2012 |
20120208262 | BIOTRICKLING FILTER FOR TREATING WASTE GAS AND TREATING METHOD USING THE SAME - A biotrickling filter for treating waste gas including a waste gas inlet, packing layers, a spray pipe, a spray liquid storage tank, and a waste gas outlet. The waste gas passes through a first packing layer after passing through the waste gas inlet and then passes through a second packing layer after changing the flow direction at the bottom of the first packing layer; the flow directions of the waste gas in the first packing layer and the second packing layer are opposite to form a cross-flow structure; the two different flow directions of the waste gas form a cross-flow unit, and two or more cross-flow units form the biotrickling filter. | 08-16-2012 |
20120238006 | PROCESS FOR REMOVAL OF CARBON DIOXIDE FROM A GAS STREAM - A process for reducing the carbon dioxide concentration of a carbon dioxide-containing gas which process includes, in a first stage, contacting the carbon dioxide-containing gas with a treating solution including an alkali metal carbonate and/or hydroxide and with a catalyst to promote the absorption of carbon dioxide to form a second solution including an alkali metal carbonate and bicarbonate and, in a second stage, contacting the second solution with a carbonatable silicate-containing material including an alkaline earth cation capable of forming an insoluble carbonate to produce silica and a solid carbonate including the cation and to regenerate a solution including alkali metal carbonate. | 09-20-2012 |
20120264197 | H2S Removal from Contaminated Gases - A process for removing hydrogen sulfide from a raw natural gas stream such as biogas from landfills or controlled anaerobic digestion comprises passing the natural gas stream though a separation unit such as a PSA unit to form a product stream comprising a high concentration of methane and a low pressure tail gas containing hydrogen sulfide, passing the tail gas through a biofilter which includes bacteria that degrades the hydrogen sulfide to sulfur and sulfate compounds which are washed from the biofilter. The tail gas stream subsequent to treatment in the biofilter can be flared to the atmosphere without significant SOx emissions. | 10-18-2012 |
20130029405 | AMMONIUM RECOVERY METHODS - The methods are utilized to recover ammonium from waste water using CO | 01-31-2013 |
20130040373 | Composition and method for dust suppression wetting agent - This disclosure teaches a composition and process which makes it possible to remove floating particulates or prevent the dissemination or particulates, by the misting of a solution that readily captures any particulate material in the air. More specifically, the present disclosure teaches the composition and use of aromatic compounds that are semi-volatile organic compounds (SVOCs) or slow evaporators in water-based carriers with surfactants as the misting/fogging agent for dust suppression. The particulate material is lowered to surfaces and removed by vacuuming, damp-wiping or using a dry cloth with a cationic charge (static cloth). This method can be achieved with neutral air pressure differentials in the work areas. | 02-14-2013 |
20130059365 | Target Gas Capture - Capturing a target gas includes contacting a gas mixture including a target species with an aqueous solution including a buffer species, and transferring some of the target species from the gas mixture to the aqueous solution. The target species forms a dissolved target species in the aqueous solution, and the aqueous solution is processed to yield a first aqueous stream and a second aqueous stream, where the equilibrium partial pressure of the target species over the second aqueous stream exceeds the equilibrium partial pressure of the target species over the first aqueous stream. At least some of the dissolved target species in the second aqueous stream is converted to the target species, and the target species is liberated from the second aqueous stream. The target species can be collected and/or compressed for subsequent processing or use. | 03-07-2013 |
20130095561 | BIOLOGICAL H2S REMOVAL SYSTEM AND METHOD - The present invention provides a biological H | 04-18-2013 |
20130203155 | ENZYME ENHANCED CO2 CAPTURE AND DESORPTION PROCESSES - An enzyme-catalyzed desorption process for releasing CO | 08-08-2013 |
20130203156 | HEAT-STABLE CARBONIC ANHYDRASES AND THEIR USE - The present invention relates to use of heat-stable carbonic anhydrase in CO | 08-08-2013 |
20130224842 | PROCESS FOR CO2 ABSORPTION WITH CARBONIC ANHYDRASE ENTRAPPED IN POROUS SUPPORTS - A carbonic anhydrase bioreactor for treating a CO | 08-29-2013 |
20130236951 | Microalgae for Removal of Carbon Dioxide Generated from Biogas and Biogas Electric Generator - The present invention relates to biogas and biogas electric generator and a biogas electricity generation method by use microalgae for removal of carbon dioxide generated from biogas and biogas electric generator. The electric generator integrates biogas production and purification, microalga culture, electricity generation, heat recycling and others into a unit volume, and, during microalgae culturing, uses carbon dioxide contained in biogas and that produced from electricity generation as a carbon source for photosynthesis to reduce the carbon dioxide contained in the biogas and the electricity generation exhaust gas, thereby attaining the goal of zero carbon emission. | 09-12-2013 |
20130244312 | SYSTEMS AND METHODS FOR CARBON DIOXIDE ABSORPTION - The disclosure pertains to removal of carbon dioxide from industrial gas streams. Processes and systems are disclosed for capturing carbon dioxide from a combustion flue gas or from uncombusted natural gas by contacting with an amine blend in a first step, and an advanced solvent in a second step. The processes and systems disclosed herein increase the efficiency of carbon dioxide removal while extending the lifespan of the solvents utilized | 09-19-2013 |
20130260442 | CARBON DIOXIDE CAPTURE PROCESS WITH CATALYTICALLY-ENHANCED SOLVENT AND PHASE SEPARATION - A system for the regeneration of carbon dioxide from a flue gas comprises an absorption vessel configured to receive a catalytically-enhanced solvent stream and a flue gas stream having CO | 10-03-2013 |
20130260443 | ODOR FILTER - A portable odorous gas filter may provide for substantially even distribution of byproduct gas throughout a containment vessel by utilizing a diffuser plate having a plurality of holes therein. Byproduct gas from manufacturing or treatment processes may be directed into a gas plenum layer in the containment vessel through an inlet below the diffuser plate. The geometry of the diffuser plate may provide for a high-pressure differential between the plenum layer below the plate and a filter layer containing an odor-filtering media above the plate. Certain types bacteria and/or fungal strains may be added to extend the effective life of the biological media used therein. | 10-03-2013 |
20130309759 | METHODS AND APPARATUSES FOR REMOVAL OF HYDROGEN SULFIDE AND CARBON DIOXIDE FROM BIOGAS - Methods, systems and apparatuses herein provide a unique and novel process to remove H | 11-21-2013 |
20140099701 | FORMULATION AND PROCESS FOR BIOCATALYTIC CO2 CAPTURE USING ABSORPTION COMPOUNDS SUCH AS DIMETHYLMONOETHANOLAMINE, DIETHYLMONOETHANOLAMINE OR DIMETHYLGLYCINE - A formulation and process for capturing CO | 04-10-2014 |
20140106440 | ENHANCED ENZYMATIC CO2 CAPTURE TECHNIQUES ACCORDING TO SOLUTION PKA, TEMPERATURE AND/OR ENZYME CHARACTER - Techniques related to enhancement of CO | 04-17-2014 |
20140134710 | SYSTEM FOR THE TREATMENT AND PURIFICATION OF BIOGAS WITH ELIMINATION OF AIRFLOW FROM A SCRUBBER SYSTEM - Systems and methods are presented for the purification of a biogas. The systems comprise: a gas processor for reducing CO | 05-15-2014 |
20140162346 | METHOD OF CONCURRENTLY FILTERING PARTICLES AND COLLECTING GASES - A system for concurrently filtering particles and collecting gases. Materials are be added (e.g., via coating the ceramic substrate, use of loose powder(s), or other means) to a HEPA filter (ceramic, metal, or otherwise) to collect gases (e.g., radioactive gases such as iodine). The gases could be radioactive, hazardous, or valuable gases. | 06-12-2014 |
20140234946 | Carbon Sequestration Methods and Systems, and Compositions Produced Thereby - Aspects of the invention include methods of removing carbon dioxide (CO | 08-21-2014 |
20140242680 | EMISSIONS CONTROL OF SPENT AIR FROM CUMENE OXIDATION - Methods and systems for removing volatile organic compounds from spent air are provided. The method can include oxidizing cumene in the presence of an oxidant to produce an oxidized product containing methanol and a spent air, separating the spent air from the oxidized product, contacting the spent air with an absorbent, an adsorbent, or a mixture thereof to remove at least a portion of any impurities in the spent air to produce a first purified air, and contacting the first purified air with a biological material to produce a treated air. | 08-28-2014 |
20140256026 | BIOLOGICAL COMPOSITIONS FOR THE PRODUCTION OF FUNCTIONALLY CONSISTENT PRODUCTS - Several embodiments of the invention relate generally to a system and methods for the treatment of gaseous emissions comprising methane and one or more non-methane compounds that can influence the metabolism of methane-oxidizing microorganisms. In several embodiments, there is provided a system and methods for the treatment of methane emissions through the use of methanotrophic microorganisms to generate functionally consistent and harvestable products. Certain embodiments of the invention are particularly advantageous because they reduce environmentally-destructive methane emissions and produce harvestable end-products. | 09-11-2014 |
20140329299 | METHOD AND PLANT FOR SEPARATING CARBON DIOXIDE FROM CRUDE GASES CONTAINING METHANE - A method for removing carbon dioxide from methane-containing crude gases, especially biogas, by pressure scrubbing, using a physical solvent, includes circulating the contaminated scrubbing solution after regeneration. A plant suitable for carrying out the method considerably reduces the methane loss which arises through methane slippage and improves the overall energy balance of the method. Laden scrubbing solution obtained from the pressure scrubbing is treated at least in one flash stage before the first stripping stage. In addition, a nitrogen, oxygen, carbon dioxide and methane-containing gas mixture drawn off from the flash stage is cleaned in a scrubbing stage by purified scrubbing solution drawn off from the second stripping stage and supplied in countercurrent, forming a high-purity methane gas. | 11-06-2014 |
20140370576 | CAPTURE OF CARBON DIOXIDE (CO2) FROM AIR - Disclosed is a method for removing carbon dioxide from a gas stream, comprising placing the gas stream in contact with a resin, wetting the resin with water, collecting water vapor and carbon dioxide from the resin, and separating the carbon dioxide from the water vapor. The resin may be placed in a chamber or a plurality of chambers connected in series wherein the first chamber contains resin that was first contacted by the gas, and each successive chamber contains resin which has been wetted and carbon dioxide collected from for a greater period of time than the previous chamber, and so on, until the last chamber. Secondary sorbents may be employed to further separate the carbon dioxide from the water vapor. | 12-18-2014 |
20140370577 | DRY SCRUBBER SYSTEM WITH BACTERIA - Implementations disclosed herein provide a scrubber system for the reduction and removal of acid gas from a gas stream. The scrubber system includes a dry chemical scrubber having an amount of bacteria therein. A gas stream containing an acid gas contaminant such as H | 12-18-2014 |
20140370578 | MODIFIED CERAMSITE PACKING USEFUL FOR BIOMEMBRANE TRICKLING FILTER AND A PROCESS FOR REMOVING SO2 FROM FLUE GAS USING THE TRICKLING FILTER - A process of removing SO | 12-18-2014 |
20150044757 | Methods and Systems for Capturing and Storing Carbon Dioxide - Methods and systems for capturing and storing carbon dioxide are disclosed. In some embodiments, the methods include the following: mixing materials including magnesium or calcium with one or more acids and chelating agents to form a magnesium or calcium-rich solvent; using the organic acids derived from biogenic wastes as acids or chelating agents; generating carbonate ions by reacting a gas including carbon dioxide with a carbonic anhydrase biocatalyst; reacting the solvent with the carbonate ions to form magnesium or calcium carbonates; recycling a solution containing the biocatalyst after forming magnesium or calcium carbonates for re-use in the generating step; using the magnesium and calcium carbonates as carbon neutral filler materials and using the silica product as green filler materials or inexpensive absorbents. | 02-12-2015 |
20150104857 | PHOTOBIOREACTOR SYSTEM FOR AIR PURIFICATION - The present invention relates to air purification. The present invention provides a system for reducing carbon dioxide concentration in air in locations with sub-tropical to temperate climates and method of reducing carbon dioxide concentration using the system. | 04-16-2015 |
20150140643 | BIOLOGICAL ODOR CONTROL SYSTEM - A biological odor control system includes a vessel and a nutrient tank mounted and attached to an outer surface of the vessel such that the nutrient tank does not extend into a housing of the vessel. The vessel can include a housing, a gas inlet, a gas outlet, a first media bed positioned within the housing of the vessel, and an irrigation system adapted to provide moisture, nutrients, and/or mixtures thereof to the first media bed within the housing of the vessel. A vessel and method for treating odorous gas are also disclosed. | 05-21-2015 |
20150321132 | Apparatus and Method for Sintered Glass Media Biofilter - A system for removing undesirable compounds from contaminated air includes a biofilter having sintered glass media. Hydrogen sulfide is removed from contaminated air by passing the contaminated air through the biofilter. | 11-12-2015 |
20160039697 | METHOD OF MITIGATING HYDROGEN SULFIDE OR MERCAPTAN CONTAMINATION WITH AN ENZYME BASED SCAVENGER - Hydrogen sulfide and mercaptans may be catalytically removed from a fluid stream by introducing to the fluid stream a sulfide quinone reductase (SQR) enzyme. | 02-11-2016 |
20160067652 | Nitrification-Enhanced Ammonia Scrubber for Animal Rearing Facilities - The exhaust air scrubber system for animal containment facilities includes a two-stage scrubber configuration. Exhaust air from the animal containment facility flows first into a dust scrubber, which removes dust from the air and reduces the alkalinity of the exhaust air. The exhaust air then flows into an ammonia scrubber which removes the ammonia from the air. The ammonia is converted to nitrate by acid-tolerant nitrifying bacteria. The nitrification process produces acid, which reduces the pH of the scrubber solution in the ammonia scrubber, allowing the scrubber to capture additional ammonia. | 03-10-2016 |
20160089625 | Composition and method of dust suppression wetting agents - This disclosure teaches a composition and process which makes it possible to remove floating particulates or prevent the dissemination or particulates, by the misting of a solution that readily captures any particulate material in the air. More specifically, the present disclosure teaches the composition and use of aromatic compounds that are semi-volatile organic compounds (SVOCs) or slow evaporators in water-based carriers with surfactants as the misting/fogging agent for dust suppression. The particulate material is lowered to surfaces and removed by vacuuming, damp-wiping or using a dry cloth with a cationic charge (static cloth). This method can be achieved with neutral air pressure differentials in the work areas. | 03-31-2016 |
20160166985 | PHOTOBIOREACTOR SYSTEM FOR AIR PURIFICATION BY USING MICROALGAE | 06-16-2016 |
20160200996 | PROCESS AND BIOFILTER SYSTEM FOR H2S REMOVAL FROM A H2S CONTAMINATED ENERGY PRODUCTION GAS STREAM CONTAINING METHANE AND USE OF SUCH A BIOFILTER SYSTEM | 07-14-2016 |
20180021722 | Rotating Spray Device for Water Distribution on Media Bed of a Biofilter | 01-25-2018 |
20190143268 | SYSTEM AND METHOD FOR WASHING AND TREATING FERMENTATION ODOR AND COMBUSTION FLUE GAS | 05-16-2019 |