Entries |
Document | Title | Date |
20080289492 | Method and system for treating metal-containing fluid emissions - A system and associated method for removing metal, including metal in vapor form, from high temperature fluid emissions such as may occur at the exhaust of furnaces or thermal treatment equipment. One embodiment is the Integrated Metal Emissions Control System (IMECS™) incorporating both a Steel Screen Particulate (SSP) Filter System and a Perlite Based Sorbent (PBS) System. IMECS™ uses the SSP Filter System, with pore sizes down to one micron, to capture toxic metal particulate materials and the PBS System to capture vapor phase metals using surface-modified perlite. Using the IMECS™, EPA-listed heavy metals have been removed from representative high-temperature emissions in field tests to easily meet the NESHAP standards. | 11-27-2008 |
20080314242 | Mercury removal systems using beneficiated fly ash particles and methods thereof - A mercury removal system and methods thereof include at least one supply system, at least one cooling system and at least one separation system. The supply system is connected to introduce at least beneficiated fly ash particles into an exhaust stream. The exhaust stream comprises at least one exhaust gas and mercury and at least a portion of the mercury in the exhaust stream adheres to the introduced beneficiated fly ash particles. The cooling system cools the exhaust stream before or after the connection of the supply system to the exhaust stream. The separation system separates from the exhaust stream and outputs at least a portion of the introduced beneficiated fly ash particles with the adhered mercury. | 12-25-2008 |
20090000471 | Filter service system and method - According to an exemplary embodiment of the present disclosure, a system for removing matter from a filtering device of a work machine includes a gas pressurization assembly. An element of the gas pressurization assembly is removably attachable to a first orifice of the filtering device without removing the filtering device from a work machine to which the filtering device is connected. The system also includes a heat source fluidly connected to the gas pressurization assembly. | 01-01-2009 |
20090090240 | BIOFILTRATION PROCESS AND APPARATUS FOR ODOUR OR VOC TREATMENT - A bioreactor and process is described which offers a transition or continuum between one or more of (a) from biotrickling filter conditions to biofilter conditions, (b) changing media characteristics, c) liquid or nutrient recirculation rates or frequency, (d) pH, (e) gas velocity, (f) retention time along the gas flow passage or (g) cross-sectional area. For example, media may be arranged in sections of a rectangle, with gas flow in a horizontal direction sequentially through the sections, and liquid flow in a vertical direction from top to bottom in one or more sections. Zonal control of process conditions may be provided as the gas passes from inlet to outlet and liquid is introduced at the top of one or more zones and flows down by gravity. | 04-09-2009 |
20100147145 | AIR ELUTRIATION DEVICE AND METHOD FOR DETECTING A FILTER ELEMENT IN AN AIR ELUTRIATION DEVICE - An air elutriation device for an air conveying household appliance includes a housing with an air elutriation zone delimited by a filter element, a detection element in a storage space for the filter element, and a cover sheet on the filter element. The detection element can be actuated via the filter element by the cover sheet. | 06-17-2010 |
20100229718 | PARTICLE FILTER AND A METHOD FOR OPERATING A PARTICLE FILTER - The present invention relates to a particle filter and a method for operating a particle filter. The particle filter includes at least one filter portion forming an open filter system and also a heatable particle collecting element which is arranged adjacently to this filter portion and comprises a material having temperature-dependent electrical resistance. The method for operating the particle filter includes heating the particle collecting element and measuring the electrical resistance of the particle collecting element to determine whether to regenerate the particle filter. | 09-16-2010 |
20110011259 | Cleaning of an air filter screen of an agricultural vehicle - A method and apparatus are disclosed for unblocking a perforated rotary filter screen. In the invention, at least one jet of high pressure air is directed at a surface of the filter screen as the filter screen is rotated and the or each jet of air is moved in a direction transverse to the direction of movement of the perforations in the screen in order to cause the or each air jet to trace a spiral or helical path over the surface of the screen. | 01-20-2011 |
20110061527 | DIRECT REPLACEMENT AIR FILTER WITH AUTOMATIC FILTER MEDIA ADVANCE AND WIRELESS COMMUNICATIONS - The invention is directed to a direct replacement air filtration or handler filter that is placed within an air flow channel within an air handler unit having a housing. A motor in communication with a controller and having an at least one sensor input or a timer or a transceiver and processing module. A filter media storage area is located on one end of the housing, with a pleated, folded filter media folded and compactly stored inside the filter media storage area. An exposed filter media containment area is located on an opposed end within the housing with the filter media extending therebetween. The filter media being paid out or advanced from the filter media storage area across the housing where it is exposed to air within the air flow channel as it removes contaminants from the air. The motor can be activated by said controller in response to input from the at least one sensor or based on a timed input from said timer and rotate an at least one movement member to move the filter media across the exposure area. This allows for higher efficiency operation and reduces maintenance and energy costs. The sensors and communications capability allow for the use of the filter in providing Air Quality Management (AQM). AQM allows the filter to monitor the quality of the air as it passes through the filter and interact with a network system to monitor the air quality at the point of filtration. | 03-17-2011 |
20110154985 | Water, Light and Airflow Control System and Configuration for a Plant Air Purifier - A plant air purifier and associated method for purifying air, comprising: at least one grow container; a filter bed comprising a surface which is horizontal within 20 degrees of a horizontal plane; at least one plant which grows within the filter bed; a reservoir for containing water for watering the at least one plant; a mechanical watering device which waters the filter bed from the top down; a pump for pumping water from the reservoir to and through the mechanical watering device; and an air propulsion mechanism for propelling air through the filter bed. | 06-30-2011 |
20120055330 | SYSTEM AND METHOD FOR REMOVAL OF DISSOLVED GASES IN MAKEUP WATER OF A WATER-COOLED NUCLEAR REACTOR - The present invention relates to a system and method for removing dissolved gas from makeup water in a water-cooled nuclear reactor. The present invention includes a storage tank for containing the makeup water that includes the dissolved gas, a membrane system positioned downstream of the storage tank to at least partially remove the dissolved gas front the makeup water; and a transport mechanism to transfer the makeup water from an outlet of the membrane system for use in the water-cooled nuclear reactor. The dissolved gas can include at least one of dissolved oxygen, dissolved nitrogen, dissolved argon and mixtures thereof. | 03-08-2012 |
20120160094 | PRE-FILTRATION AND MAINTENANCE SENSING FOR EXPLOSION-PROOF ENCLOSURES - A filter system for an explosion-proof enclosure is described herein. The filter system can include a pre-filter assembly located outside the explosion-proof enclosure. The pre-filter assembly can include a pre-filter material configured to control air passing therethrough. The filter system can also include a filter assembly coupled to the pre-filter assembly. The filter assembly can further control the air received from the pre-filter assembly and passing therethrough into the explosion-proof enclosure. | 06-28-2012 |
20120180655 | AIR TREATMENT APPARATUS AND METHOD - An air treatment apparatus and method are disclosed in the present invention, wherein, at least one air treatment unit is included. The unit comprises air inlet, air outlet, air treatment devices and connecting components. The air treatment device is located between the air inlet and the air outlet. The air treatment device comprises at least one of the following components: component for air purification and filtering, blow-through fan, draw-through fan, pump, component for heating, component for dehumifying, component for humidifying, component for air-cooling. The air treatment unit can be used alone for improving the air quality of the environment. When more than one unit are connected together with the connecting components, the units are teamed up and work together, and an air treatment system is formed. | 07-19-2012 |
20120222548 | HUMIDIFIER - A humidifier includes a base having a sound machine module and a humidifier module, a water reservoir in fluid communication with the humidifier module, a user interface supported by the base, and a controller in communication with the user interface, the humidifier module, and the sound machine module. The controller is configured to operate the humidifier module to provide humidified air using water contained in the water reservoir in response to a humidifier input to the user interface. The controller is also configured to operate the sound machine module to provide sound in response to a sound input to the user interface. | 09-06-2012 |
20120297974 | SYSTEM FOR COLLECTING POLLUTED AIR, DEVICE FOR COLLECTING POLLUTED AIR AND METHOD THEREOF - An apparatus for collecting contaminated air, including: an air pollution detecting unit for monitoring pollution status of air existing in the pertinent area; an air collecting unit for collecting and storing part of the air; and a control unit for comparing data about the pollution status monitored by the detecting unit with preset critical values and commanding the collecting unit to collect a part of the air when data about the pollution status is equal to or greater than the critical values. Since contaminated air is collected by monitoring the pollution status of contaminated air existing in the atmosphere of a pertinent area or the gaseous contaminant-containing air discharged from sources in real time, it is possible to collect air pollution evidence. The collecting unit provided at the outlet of a source, allows air pollution data to be stored after analyzing collected air, making it possible to lawfully sanction air polluter. | 11-29-2012 |
20120297975 | AIR PURIFIER AND AN OPERATING METHOD FOR THE SAME - Disclosed is an air purifier able to maintain the normal state of drive of a disk-shaped humidification filter by controlling the state of rotation of the humidification filter. The air purifier can maintain the normal state of drive of the humidification filter by using a stepping motor and the control unit in order to vary the state of rotation of the humidification filter and thereby remove extraneous material when the humidification filter is rotating abnormally due to extraneous material. | 11-29-2012 |
20120318134 | FILTER SERVICE SYSTEM AND METHOD - According to an exemplary embodiment of the present disclosure, a system for removing matter from a filtering device of a work machine includes a gas pressurization assembly. An element of the gas pressurization assembly is removably attachable to a first orifice of the filtering device without removing the filtering device from a work machine to which the filtering device is connected. The system also includes a heat source fluidly connected to the gas pressurization assembly. | 12-20-2012 |
20130139683 | SYSTEM AND METHOD FOR DENSE PHASE SORBENT INJECTION - The present disclosure is directed to a dense-phase additive transportation system for additive injection into a contaminated gas stream. | 06-06-2013 |
20130174729 | INDIRECT REAL-TIME MONITORING AND CONTROL OF ELECTRICAL RESISTIVELY HEATED ADSORBENT SYSTEM - A method for indirectly monitoring and controlling an electrically resistive adsorption system. Adsorption of a predetermined adsorbate is conducted while indirectly monitoring electrical resistance of a unified adsorbent element. Breakthrough is predicted based upon the indirectly monitored electrical resistance and a previously measured mass loading relationship between the resistance of the unified adsorbent element and the loading of the unified resistance element with the predetermined adsorbate. Adsorption, regeneration and cooling cycles are controlled by a controller without any direct measurement of temperature or resistance of the element and characterizations of mass loading and temperature. Systems of the invention can have no sensors that contact the element, are in an adsorption vessel, and/or are downstream adsorption vessel. | 07-11-2013 |
20130199368 | SYSTEM AND METHOD FOR CONTINUOUSLY PRETREATING A RAW MULTI-PHASE STREAM CAPTURED BY A LANDFILL GAS COLLECTOR - The system is provided for continuously separating landfill gas in a raw multi-phase stream coming from a landfill gas collector. The system includes an atmospheric tank and an elongated separator vessel mounted substantially upright above the tank bottom. The elongated separator vessel includes a mid-level inlet that is configured and disposed to be in fluid communication with the landfill gas collector pipe, an upper gas outlet located vertically above the mid-level inlet, and a bottom-opened discharge end that is located vertically below the mid-level inlet. A method of pretreating a raw multi-phase stream captured from a landfill site is also disclosed. The proposed concept provides a relatively simple arrangement that can be made sufficiently rugged to perform a pretreatment of the raw multi-phase stream in a continuous manner and with a very minimal intervention from landfill operators under almost any weather and operating conditions. | 08-08-2013 |
20130233168 | SYSTEM AND METHOD FOR CONCENTRATING GAS - Systems and methods for producing a product gas are provided. In one embodiment, a system includes at least one separation bed to separate adsorbable components from a gas source, a valving means to selectively direct gas from the gas source to the at least one separation bed, at least one sensing device associated with the at least one separation bed to sense the progress of an adsorption zone within the separation bed, and a controller. The controller includes logic to read the output of the at least one sensing device and control the gas separation process based on the progress of the adsorption zone. | 09-12-2013 |
20130276627 | DUST REMOVAL SYSTEM, IMAGE CAPTURE DEVICE AND DUST REMOVAL VIBRATION METHOD THEREOF - The invention is directed to a dust removal system, an image capture device and a dust removal vibration method thereof. The dust removal system includes a vibration generation module having a vibration unit which is arranged on a transparent object of an image capture device, and is driven to generate a vibration for dust removal, a vibration detection unit arranged on the transparent object and transform a vibration amplitude into a corresponding electrical signal so as to output a feedback signal continually, a compare unit outputting a control signal when the compare unit determines the feedback signal exceeds the threshold value, and a control unit controlling the vibration generation module based on the control signal to generate the corresponding vibration for dust removal. Thereby, an amplitude of the transparent object can be precisely obtained and the vibration can be precisely adjusted. | 10-24-2013 |
20130319225 | BACK-UP CONFIGURATIONS AND METHODS FOR SULFURIC ACID PLANTS - A sulfuric acid production plant has a discontinuously operating back-up absorber to allow for sulfur emission control in situations where part of or even the entire sulfuric acid production plant is shut down, inoperable, or otherwise compromised. The back-up absorber receives lean solvent from a storage tank that is configured such that continuous operation of the back-up absorber is possible for several hours. | 12-05-2013 |
20140013940 | PRE-FILTRATION AND MAINTENANCE SENSING FOR EXPLOSION-PROOF ENCLOSURES - A filter system for an explosion-proof enclosure is described herein. The filter system can include a pre-filter assembly located outside the explosion-proof enclosure. The pre-filter assembly can include a pre-filter material configured to control air passing therethrough. The filter system can also include a filter assembly coupled to the pre-filter assembly. The filter assembly can further control the air received from the pre-filter assembly and passing therethrough into the explosion-proof enclosure. | 01-16-2014 |
20140033915 | WICK WETTING FOR WATER CONDENSATION SYSTEMS - A system and method for particle enlargement with continuously wetted wicks includes a container into which a flow of particle-laden air is introduced in a laminar manner through an inlet and to an outlet. The container has a first section, a second section and a third section though which the particle-laden air flows between the inlet and the outlet. The temperature of the second section is warmer than that of the first section at the inlet and the third section at the outlet. In one embodiment, a continuous wick spanning an interior wall of the first second, second section and third section, said wick being capable of internally transporting liquid water along its length is provided. Alternatively, a wick characterized by a bubble point pressure has one side in contact with air and an opposing side mounted adjacent to the interior wall of a housing with a gap formed between the wick and the housing, wherein the wick is used with a water reservoir such that the pressure difference between the air flow and the water filled gap is less than the bubble point pressure of the wick material. | 02-06-2014 |
20140047975 | pH ADJUSTMENT WITHIN GASIFICATION SYSTEM - A gasification system includes a water source, a downstream system configured to receive a first stream having water from the water source, and a carbon a carbon dioxide injector configured to adjust a pH of the water using a second stream having carbon dioxide to form pH-adjusted water. | 02-20-2014 |
20140053722 | MACHINE TOOL MOUNTED MIST COLLECTOR WITH AUTOMATIC CONTROL - An automatic control for a system for removing cooling liquid from a mist. The automatic control includes a power input configured to receive electrical power and a power output configured to output electrical power to a mist collector. The automatic control also includes a sensor configured to determine whether a coolant pump is supplying cooling liquid and a switch configured to send electrical power to the mist collector via the power output when the coolant pump is supplying cooling liquid. | 02-27-2014 |
20140174288 | Apparatus And Methods To Monitor And Control Cyclic Process Units In A Steady Plant Environment - Apparatus and methods are disclosed that allow for the monitoring and analysis of production process data for a multi-step asynchronous cyclic production process (e.g. pressure swing adsorption) in a steady state plant (such as a steam methane reforming plant). Data collected from cooperating sensors is processed applying a moving window discrete Fourier transform (DFT). The transformed data can be further analyzed in the broader steady-state plant environment to accurately detect any process anomalies and avoid false alarms. | 06-26-2014 |
20140208942 | Method, Apparatus, And System For Air Filter Cleaning - Disclosed are methods, apparatuses, and systems for generating an alert message based on a determined crossing of a weight threshold of a filter. | 07-31-2014 |
20140216249 | CYCLIC ADSORPTION PROCESS USING PULSATION CONTROLLED COMPRESSORS - The present invention relates generally to a cyclic adsorption process for separating components of a gas stream with at least one adsorber vessel containing at least one adsorber bed undergoing the steps of at least pressurization and depressurization such that the steps are driven by at least one compressor, the compressor undergoing the steps of acceleration and deceleration in association with the steps of pressurization and depressurization. The compressor is operated at or above predetermined speeds which do not generate undesirable frequency pulsations while meeting the requirements of the cyclic adsorption process. | 08-07-2014 |
20140238233 | FLAME DETECTION SYSTEM FOR PARTICULATE FILTER REGENERATION - A flame detection system is disclosed. The system may have a flame chamber and a filter, wherein the filter includes filter media configured to collect matter from an engine exhaust. Additionally, the filter may be disposed downstream of the flame chamber. An ignition device may be disposed in the flame chamber and may be configured to ignite a flame in the flame chamber to regenerate the filter. A sensor may be disposed proximate the ignition device, and may be configured to sense a change in electrical conductivity that is indicative of a presence of the flame in the flame chamber. | 08-28-2014 |
20140251127 | METHOD AND DEVICE FOR INFLUENCING THE SMELL WHICH COMES FROM SHAFT OPENINGS OF UNDERGROUND SEWERS - The invention relates to a method and device for influencing the smell coming from shaft openings of underground sewers, in which water droplets are sprayed into the air in shafts ( | 09-11-2014 |
20140338528 | METHOD AND APPARATUS FOR MONITORING AND ENSURING AIR QUALITY IN A BUILDING - Apparatus for transforming the air exchange load of a higher air exchange rate space into the air exchange load of a lower air exchange rate space, said apparatus comprising:
| 11-20-2014 |
20140352529 | DEAERATION APPARATUS AND METHOD - The present invention provides an apparatus ( | 12-04-2014 |
20140352530 | METHOD OF CONTROLLING A GAS CLEANING SYSTEM BY MEASURING A PARAMETER OF AN ABSORBENT MATERIAL - A gas cleaning system for removing gaseous pollutants from a hot process gas comprises a vessel for bringing the hot process gas into contact with an absorbent material, and a separating device for separating at least a portion of the absorbent material from the hot process gas to form a separated dust material. The gas cleaning system further comprises a measuring device for measuring, directly or indirectly, a dust parameter such as a density, and/or a friction, and/or a hygroscopicity, and/or an electrical property of the separated dust material, to obtain a measurement, and a control system for controlling at least one operating parameter of the gas cleaning system based on the measurement of the measured dust parameter. | 12-04-2014 |
20150013536 | Gas Removal System for Offshore and Onshore Oil and Liquid Product Pipelines - Provided herein are methods and devices for removing gas from pipelines, including offshore and/or onshore pipelines at pipeline locations where gases have a tendency to accumulate. In an aspect the pipeline contains a hydrocarbon-containing liquid containing undissolved and/or non-condensable gases which tend to form corrosive gases that adversely affect pipeline performance and/or integrity. A pump specially positioned with respect to pump inlet and pump outlet in pipeline sections are used to increase fluid velocity in pipeline sections where gas can accumulate. Optionally, a valve is employed to facilitate fluid recirculation upon detection of a gas bubble that causes a change in a pressure drop in the pipeline from the expected hydrostatic pressure drop. | 01-15-2015 |
20150033942 | REGENERATIVE AIR PURIFICATION SYSTEM AND METHOD - A system and method for regenerative air purification technology use in residential or commercial HVAC systems that includes a set of gas sensors and processor, a set of filters including the pre-particles filter; HEAP particles filters and the adsorption gas filters with TiO | 02-05-2015 |
20150114221 | Gas Turbine Inlet Air Filter Cleaning Control - A gas turbine inlet air filter house control system may obtain geospatial data for an area in which a gas turbine is located. The gas turbine inlet air filter house control system may determine filter cleaning parameters for the gas turbine based on the geospatial data and control the initiation and duration of the inlet air filter cleaning process. | 04-30-2015 |
20150135947 | Systems and Methods for Managing Turbine Intake Filters - Certain embodiments herein relate to systems and methods for managing turbine intake filters. In one embodiment, a system can include at least one memory configured to store computer-executable instructions and at least one control device configured to access the at least one memory and execute the computer-executable instructions. The instructions may be configured to receive information associated with a filter and identify the filter based at least in part on the information received. The instructions may be further configured to pulse the filter based at least in part on the information received. | 05-21-2015 |
20150321123 | ANTIFOAM DEVICE AND METHOD OF USE FOR SEAWATER FOAM CONTROL - An antifoam device and a method of using the antifoam device are useful to control levels of foam generated on the surface of effluent seawater during aeration of the effluent seawater in a seawater aeration basin. Effluent seawater contained within the seawater aeration basin may be produced in a seawater flue gas desulfurization system associated with a power plant or an aluminum production plant. | 11-12-2015 |
20150375155 | AIR PURIFIER AND AN OPERATING METHOD FOR THE SAME - Disclosed is an air purifier able to maintain the normal state of drive of a disk-shaped humidification filter by controlling the state of rotation of the humidification filter. The air purifier can maintain the normal state of drive of the humidification filter by using a stepping motor and the control unit in order to vary the state of rotation of the humidification filter and thereby remove extraneous material when the humidification filter is rotating abnormally due to extraneous material. | 12-31-2015 |
20150377160 | VEHICLE EXHAUST PARTICULATE FILTER REGENERATION - A vehicle includes an engine and a particulate filter that is situated to filter particulates from the exhaust fluid. A controller is configured to implement a sequence of particulate filter regeneration techniques including a first technique during an engine start up condition, a second technique during a running engine idle condition, and a third technique during a driving condition. The controller is configured to determine whether particulate filter regeneration is desired, implement the first technique when particulate filter regeneration is desired, determine whether particulate filter regeneration is still desired after using the first technique, implement the second technique when regeneration is still desired after using the first technique, determine whether particulate filter regeneration is still desired after using the second technique, and implement the third technique when regeneration is still desired after using the second technique. | 12-31-2015 |
20150377501 | AIR PURIFIER AND AN OPERATING METHOD FOR THE SAME - Disclosed is an air purifier able to maintain the normal state of drive of a disk-shaped humidification filter by controlling the state of rotation of the humidification filter. The air purifier can maintain the normal state of drive of the humidification filter by using a stepping motor and the control unit in order to vary the state of rotation of the humidification filter and thereby remove extraneous material when the humidification filter is rotating abnormally due to extraneous material. | 12-31-2015 |
20160076781 | METHOD AND APPARATUS FOR MONITORING AND ENSURING AIR QUALITY IN A BUILDING - Apparatus for transforming the air exchange load of a higher air exchange rate space into the air exchange load of a lower air exchange rate space, said apparatus comprising: a housing for mounting to a surface of the higher air exchange rate space; an air inlet formed in said housing; at least one air outlet formed in said housing; a passageway extending through said housing and connecting said air inlet to said at least one air outlet; a circulation fan disposed in said passageway so as to draw the air of the higher air exchange rate space into said air inlet, through said passageway, and return that air to the higher air exchange rate space through said at least one air outlet; and a filter disposed in said passageway for purging noxious substances from the air passing through said passageway. | 03-17-2016 |
20160114120 | DUAL OXYGEN CONCENTRATOR SYSTEMS AND METHODS - Described herein are various embodiments of an oxygen concentrator system that includes a home oxygen concentrator system couplable to a portable oxygen concentrator system. | 04-28-2016 |
20160136557 | Filter Retentate Removal System and Method - A system and method for removing retentate from filters is disclosed, which utilizes pressurized and/or vacuum fluid through localized application. The disclosure describes a cleaning system and sequence of steps for carrying out the cleaning process, whereby, a fluid is directed to flow through a localized region of the filter media, thereby dislodging and removing accumulated retentate from the filter. In addition, the localized application of fluid flow allows for localized monitoring of the cleanliness of the filter with a high degree of spatial resolution. This filter retentate removal system and method is broadly applicable to a wide range of systems and processes ranging to engines and exhaust systems to production plants and equipment. | 05-19-2016 |
20160175758 | PROCESS FOR ADSORBING HYDROGEN CHLORIDE FROM A REGENERATION VENT GAS | 06-23-2016 |
20160175760 | MOVING BED TEMPERATURE SWING ADSORPTION PROCESS | 06-23-2016 |
20160178586 | AIR PURIFYING SYSTEM AND A METHOD OF USING THE SAME | 06-23-2016 |
20160375393 | AIR BRAKE FILTER AND METHOD - An air brake filter assembly and methods are shown. Example configurations include a filter lock that holds an indicator in an actuated position after a filter has become clogged. Example configurations may also include a bypass pathway to allow air to bypass the filter when the filter is clogged. | 12-29-2016 |
20180021720 | DUAL FILTER FOR MOISTURE REMOVAL FROM A FLUID FLOW | 01-25-2018 |