Patent application number | Description | Published |
20110220571 | METHOD OF MAKING AND USING ADSORBENT TO REMOVE HEAVY METAL FROM WASTE WATER - The present disclosure describes using the naturally present dissolved chemicals as precipitants from local water sources to form an adsorbent. The adsorbent may be collected and used at the right pH and temperature to purify and remove heavy metals from waste water. Once the heavy metals are removed the concentration of the heavy metals are estimated in the reusable water. The local authority acceptable level heavy metal containing reusable water is reclaimed for non-human consumption. This disclosure enables to conserve water and provide a cheap and an effective method to decontaminate industrial waste water. | 09-15-2011 |
20110259822 | APPARATUS AND PROCESS FOR DESALINATION OF BRACKISH WATER - Water from underground and other sources of water are brackish and not suitable for human consumption. Naturally present dissolved chemicals in water make it brackish. The precipitants and dissolved chemicals need to be separated from water to make it consumable. A combination of aeration systems, filtration systems, crystallizers and hydrophobic membrane carrying filter are used to desalinate the brackish water. Solar energy and ceramic filters are used as add on to existing technology. Various heat exchange apparatus are used for energy conservation and efficient processing of water in a feasible way. The disclosure enables to purify water and provide a useful technology to eradicate water scarcity. | 10-27-2011 |
20110278232 | HEAVY METAL REMOVAL FROM WASTE STREAMS - A method for removing heavy metals from contaminated water, comprising collecting metal salt precipitates from a water softening process, drying said precipitates, contacting water having a concentration of one or more heavy metals with said precipitates, and collecting water having a reduced concentration of said heavy metal(s). | 11-17-2011 |
20110303612 | METHOD OF MAKING AND USING A COMPOSITE ADSORBENT FROM NATURAL RAW MATERIAL TO REMOVE HEAVY METAL FROM INDUSTRIAL WASTE WATER - An adsorbent composition and method of using the adsorbent composite is described. The method for removing heavy metals from contaminated water is done by mixing contaminated water having a concentration of one or more heavy metals with an adsorbent composite comprising granules of a mixture of 50.363 wt % kaolin clay, a 4.477 wt % roasted date pits powder, a 5.54 wt % silica powder a 14.99 wt % magnesite powder and a 24.623 wt % water. After reacting the contaminated water and adsorbent composite together for a specific time the water is filtered and was found to contain reduced amount of heavy metals. The cleaned water can further be used for industrial cooling systems or watering gardens. | 12-15-2011 |
20120012531 | ADSORBENT FOR ADSORPTION OF HEAVY METALS IN WASTE WATER - A method and adsorbent composition for removing heavy metals from contaminated water, comprising including mixing a water having a concentration of one or more heavy metals with an adsorbent including granules of a mixture of 3.33 wt % bentonite clay and a siwak stick powder; and collecting water having a reduced concentration of the heavy metal(s). | 01-19-2012 |
20120091061 | APPARATUS AND PROCESS FOR DESALINATION OF BRACKISH WATER USING PRESSURE RETARDED OSMOSIS - Water from underground and other sources is brackish and not suitable for human consumption. Naturally present dissolved chemicals in water make it brackish. The precipitants and dissolved chemicals need to be separated from water to make it consumable. A combination of aeration systems, filtration systems, crystallizers and hydrophobic membrane carrying filter are used to desalinate the brackish water. Pressure retarded osmosis process using an apparatus is also used to further purify water. Various heat exchange apparatus are used for energy conservation and efficient processing of water in a feasible way. The disclosure enables to purify water and provide a useful technology to eradicate water scarcity. | 04-19-2012 |
20120097611 | COMPOSITE ADSORBENT FROM NATURAL RAW MATERIAL AND USING THE SAME TO REMOVE HEAVY METAL FROM INDUSTRIAL WASTE WATER - An adsorbent composition and method of cleaning the industrial waste water using the composite is described. The method for removing heavy metals from contaminated water is done by mixing contaminated water having a concentration of one or more heavy metals with an adsorbent composite comprising granules of a mixture of 50.363 wt % kaolin clay, a 4.477 wt % roasted date pits powder, a 5.54 wt % silica powder a 14.99 wt % magnesite powder and a 24.623 wt % water. After reacting the contaminated water and adsorbent composite together for a specific time the water is filtered and was found to contain reduced amount of heavy metals. The cleaned water can further be used for industrial cooling systems or watering gardens. | 04-26-2012 |
20120111794 | APPARATUS AND PROCESS FOR PRODUCING ELECTRICITY USING PRESSURE RETARDED OSMOSIS DURING DESALINATION OF SEA WATER - Sea water is not suitable for human consumption. Naturally present dissolved chemicals in sea water make it inconsumable. The precipitants and dissolved chemicals need to be separated from water to make it consumable. A combination of aeration system, filtration system, crystallizer, hydrophobic membrane carrying filter and pressure retarded osmosis system are used in various combination to desalinate the sea water. Pressure retarded osmosis process is also used to produce pressurized diluted brine which is further decompressed to by the turbine and used by the generators to produce electricity. Various heat exchange apparatus are used for energy conservation and efficient processing of water in a feasible way. The disclosure enables to purify water and provide an economical means for producing electricity. | 05-10-2012 |
20120152838 | METHOD FOR SEWAGE AND INDUSTRIAL WASTEWATER TREATMENT - A process for wastewater treatment, comprising aerating and mixing wastewater containing organic and/or inorganic pollutants and bentonite clay in a vessel at a first temperature and for a time sufficient to reduce the concentration of said pollutants, raising the temperature of said mixture to at least 100° C. to evaporate water vapor, passing said water vapor through a fritted membrane and into a condenser, and collecting condensed water. | 06-21-2012 |
20130037488 | ADSORBENT FOR ADSORPTION OF HEAVY METALS IN WASTE WATER - A method and adsorbent composition for removing heavy metals from contaminated water, including mixing a water having a concentration of one or more heavy metals with an adsorbent including granules of a mixture of 3.33 wt % bentonite clay and a siwak stick powder; and collecting water having a reduced concentration of the heavy metal(s). | 02-14-2013 |
20130118985 | HEAVY METAL REMOVAL FROM WASTE STREAMS - A method for removing heavy metals from contaminated water, comprising collecting metal salt precipitates from a water softening process, drying said precipitates, contacting water having a concentration of one or more heavy metals with said precipitates, and collecting water having a reduced concentration of said heavy metal(s). | 05-16-2013 |
20140138322 | HEAVY METAL REMOVAL FROM WASTE STREAMS - A method for removing heavy metals from contaminated water, comprising collecting metal salt precipitates from a water softening process, drying said precipitates, contacting water having a concentration of one or more heavy metals with said precipitates, and collecting water having a reduced concentration of said heavy metal(s). | 05-22-2014 |
20140284281 | NOVEL ADSORBENT COMPOSITE FROM NATURAL RAW MATERIALS TO REMOVE HEAVY METALS FROM WATER - An adsorbent composition for removing heavy metals from contaminated water is described. The composition comprises of a mixture of kaolin clay, cellulose powder, silica powder, magnesite powder, bentonite powder and water. The adsorbent is mixed with contaminated water and allowed to react. Once the reaction is finished a reduced contaminant containing water is gathered and reused. | 09-25-2014 |
Patent application number | Description | Published |
20100187188 | WASTEWATER TREATMENT SYSTEM AND METHOD - A wastewater treatment system for treating excess wastewater from a sewer system includes a container having first and second portions adapted to receive excess wastewater from the sewer system, and a generally horizontally oriented screen arrangement disposed in the second portion of the container. The system further includes a treating agent dispenser for introducing a treating agent into the wastewater, and an effluent passage in fluid communication with the second portion of the container. During a sufficient rain event, the wastewater flows from the sewer system into the container, through the screen arrangement, and then into the effluent passage, such that the wastewater flows generally in a first direction through the first portion of the container, then generally in a second direction different than the first direction through the second portion of the container. The treating agent dispenser is operative to introduce the treating agent to thereby sufficiently disinfect at least a portion of the wastewater. | 07-29-2010 |
20100243577 | WASTE WATER STORAGE AND TREATMENT SYSTEM AND METHOD - A multi-chamber basin is sized to collect excess waste water exceeding the processing capacity of a sewage system. In order to disinfect the waste water exceeding the basin capacity, disinfectant is added at a point in the system after the first basin. After the rain event is over and there is excess sewage treatment capacity, the sewage treatment in the multi-chamber basin is returned to the sewage system. By not disinfecting the waste water in the first basin chamber, the overall disinfectant usage can be minimized. | 09-30-2010 |
20120061331 | WASTEWATER TREATMENT SYSTEM AND METHOD - A wastewater treatment system for treating excess wastewater from a sewer system includes a container having first and second portions adapted to receive excess wastewater from the sewer system, and a generally horizontally oriented screen arrangement disposed in the second portion of the container. The system further includes a treating agent dispenser, and an effluent passage in fluid communication with the second portion of the container. During a sufficient rain event, the wastewater flows from the sewer system into the container, through the screen arrangement, and then into the effluent passage, such that the wastewater flows generally in a first direction through the first portion of the container, then generally in a second direction different than the first direction through the second portion of the container. The treating agent dispenser is operative to introduce the treating agent to thereby sufficiently disinfect at least a portion of the wastewater. | 03-15-2012 |
20120080388 | Waste water storage and treatment system and method - A multi-chamber basin is sized to collect excess waste water exceeding the processing capacity of a sewage system. In order to disinfect the waste water exceeding the basin capacity, disinfectant is added at a point in the system after the first basin. After the rain event is over and there is excess sewage treatment capacity, the sewage treatment in the multi-chamber basin is returned to the sewage system. By not disinfecting the waste water in the first basin chamber, the overall disinfectant usage can be minimized. | 04-05-2012 |