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US20140021143 SYSTEM FOR TREATING BALLAST WATER IN BALLAST TANKS  
A system for treating ballast water in ballast tanks onboard vessels and offshore constructions is provided. The system comprises one or more ballast tanks, a circulation pump capable of...
US20110169176 ADAPTERS AND METHODS FOR AERATION APPLICATIONS  
Adapters and methods related to aeration applications. An adapter for use in water treatment applications. The adapter includes a generally circular member for conversion of an aeration diffuser...
US20150203391 METHOD TO REMOVE AMMONIA FROM MINE DEPRESSURIZATION WATER  
The invention is directed to a process for removing ammonia from mine depressurization water involving introducing the water into a tank or collection pond; injecting a sufficient amount of an...
US20130026109 DIFFUSER FOR SATURATION OF WATER WITH GAS  
The subject of the invention is a diffuser for saturation of water with gas, comprising a diffusion element (1) for diffusing the gas run through the diffuser, wherein the diffusion element (1) is...
US20140158639 WATER STABILIZATION AND REVITALIZATION  
A method of inhibiting water from ionizing and reacting with carbon dioxide includes: providing processed water having a potential for reacting H2O with CO2 in a system substantially devoid of O2...
US20120097618 AERATION CONTROL VALVE SYSTEM FOR WATER TREATMENT SYSTEM AND METHODS FOR USING SAME  
An aeration control valve system may be used with a water treatment system to control aeration and flow of water in accordance with various operating cycles. The aeration control valve system...
US20120103919 Methods for Treating Oilfield Water  
The present invention describes the treatment of contaminated oilfield water, and more particularly, to methods of treating bacteria contaminated and organic chemical contaminated oilfield water...
US20070241063 Process for treating water using atomized ferrous powders containing 0.25 to 4 wt% carbon and 1 to 6 wt% oxygen  
A process for treating contaminated water in which water contaminated with a volatile organic compound is placed within a volume of iron powder granules which have been water atomized by striking...
US20130126442 METHODS FOR REMOVING CONTAMINANTS FROM WATER  
A method for reducing inorganic contaminant levels during supercritical water oxidation (SCWO) is provided. The method utilizes a fluidized bed reactor wherein inorganic contaminants in the water...
US20120181233 WASTEWATER TREATMENT SYSTEM AND METHOD  
An apparatus for maintaining dissolved oxygen content in a wastewater treatment process includes a treatment tank for containing wastewater; a pump for drawing the wastewater from the treatment...
US20100314313 DESALINATION SYSTEM AND METHOD OF WASTEWATER TREATMENT  
Various embodiments described herein provide methods and apparatus for releasing treated wastewater into the environment by combining the treated wastewater with a concentrated salty water before...
US20090242484 ENVIRONMENTALLY FRIENDLY HYBRID MICROBIOLOGICAL CONTROL TECHNOLOGIES FOR COOLING TOWERS  
This is a method that is an environmentally friendly hybrid microbiological control compromising a physical method through fine filtration, which removes nutrients, bacteria and suspended solids...
US20140202956 PRE-TREATMENT OF SLUDGE  
A method for treating a sludge to be fed to a bioreactor for treating wastewater, or an anaerobic or aerobic sludge digester, the method comprising contacting the sludge with free nitrous acid.
US20130104606 WATER PURIFICATION SYSTEM AND WASHING MACHINE HAVING THE SAME  
A water purification system and a washing machine having the same. The water purification system includes a filter unit to physically filter out contaminants from washing water or rinsing water...
US20130065287 CHEMICAL PROCESSING CELL WITH NANOSTRUCTURED MEMBRANES  
A chemical processing cell includes an upstream membrane and a downstream membrane. The upstream membrane generates a first reaction product. The downstream membrane converts the first reaction...
US20110254179 Paddle Wheel Water Pusher  
The present invention uses paddle wheel to push water through a trough raising water above the level of surrounding water to the outlet of the trough from which the water flows across an outlet...
US20120261349 WATER TREATMENT SYSTEMS AND METHODS  
A water treatment device and methods of treating water such as cooling tower water, swimming pool water, and hot tub or spa water, are described. The water treatment device utilizes ultraviolet...
US20110309017 METHODS AND DEVICES FOR ENHANCING CONTAMINANT REMOVAL BY RARE EARTHS  
Embodiments are provided for removing a variety of contaminants using both rare earth and non-rare earth-containing treatment elements.
US20140353252 Method of Supplying Engineered Waters for Drilling and Hydraulic Fracturing Operations for Wells and Recapturing Minerals and Other Components from Oil and Gas Production Waste Waters  
A method of supplying engineered water for drilling or hydraulic fracturing of wells, where the water comes from either fresh sources or is recycled from drilling or hydraulic fracturing...
US20120312745 MIXING SYSTEMS AND METHODS OF MIXING  
A system for mixing and mixing processes and structures are disclosed. In addition a nozzle used for mixing is disclosed.
US20120199540 FILTER COMPRISING MULTIPLE HALOGENS AND CHITOSAN  
The water treatment systems may generally comprise multiple halogens and chitosan or derivatives thereof as well as methods of making and using the same. A water treatment system to provide...
US20130049237 WATER AERATION CAPSULES  
The water aeration capsules provide a quick and highly portable system for aerating polluted water. The capsules contain bubbles of air, oxygen, and/or other gas(es) surrounded by a water soluble...
US20150151999 SLUDGE TREATMENT METHOD  
The present invention relates to the treatment of sludge and, more particularly, to a method for recovering phosphate as a substantially solid component from a phosphate-containing sludge. Some...
US20120006759 Method and system for removal of trihalomethane from water supplies  
A method of and system for treating water to reduce the level of trihalomethanes includes the water to be treated (WTBT) being sprayed through a nozzle to aerate the WTBT to increase the air/water...
US20050127000 Inverted air box aerator and aeration method for immersed membranes  
An aerator for immersed filtering membranes has an aerator shell with openings for discharging bubbles from its upper surface and a shape capable of temporarily containing a volume of air in fluid...
US20130168329 CONTROL OF BACTERIAL ACTIVITY, SUCH AS IN SEWERS AND WASTEWATER TREATMENT SYSTEMS  
A method for controlling the activity of sulfate reducing bacteria or methanogenic archaea (or both) in environments containing such organisms comprising treating the environment with free nitrous...
US20070045189 Acid mine water demineralization methods  
Acid mine demineralization methods wherein the acid mine drainage is neutralized, clarified, and forwarded to a microfiltration unit. The so filtered drainage water is then forwarded to a reverse...
US20140042101 METHODS OF SYNTHESIZING AN OXIDANT AND APPLICATIONS THEREOF  
Novel devices for synthesizing ferrate and uses thereof are described. One aspect of the invention relates to devices and systems for synthesizing ferrate at a site proximal to the site of use.
US20130175224 METHODS OF SYNTHESIZING AN OXIDANT AND APPLICATIONS THEREOF  
Novel devices for synthesizing ferrate and uses thereof are described. One aspect of the invention relates to devices and systems for synthesizing ferrate at a site proximal to the site of use.
US20100252500 TREATMENT OF SPENT CAUSTIC WASTE  
Systems and methods are provided for the treatment of caustic wastewater. Specifically, systems and methods are provided for combining refinery spent caustic and ethylene spent caustic solutions...
US20070108133 Method for constructing a synthetic infiltration collection system  
The present invention is method for constructing a synthetic infiltration collection system for installation at seaside locations. This system filters undesirable elements from seawater including...
US20140124457 Methods For Treating Liquid Waste With High Purity Oxygen  
Methods for treating animal waste, particularly liquid fractions separated from manure, with high purity oxygen are provided to increase the dissolved oxygen content of the wastewater and minimize...
US20150165391 AERATION DEVICE, A USE THEREOF, AND WATER PURIFICATION INSTALLATION WITH SUCH AN AERATION DEVICE  
An aerator for aerating water comprises a distribution system for distributing air below the water surface and a compressor with an air inlet and at least one air outlet. The compressor is...
US20080272063 Ex Situ and in Situ Remediation with Activated Persulfate  
The present invention relates to the in situ and ex situ oxidation of organic compounds in soils, sludges, ground-water, process water and wastewater and especially relates to the in situ...
US20110132847 METHODS AND APPARATUS FOR WASTEWATER TREATMENT  
Wastewater is treated by providing a distribution conduit and providing a diffuser assembly. An aperture is created in the distribution conduit having an initial minimum diameter. The diffuser...
US20090078656 APPARATUS AND METHODS FOR AMBIENT AIR ABATEMENT OF ELECTRONIC DEVICE MANUFACTURING EFFLUENT  
An abatement system is provided which includes 1) an abatement unit adapted to abate effluent; and 2) an ambient air supply system comprising an air moving device, wherein the ambient air supply...
US20150053625 ARRANGEMENT AND METHOD FOR PRODUCING A FLOW IN A WASTEWATER TREATMENT TANK  
The invention relates to an arrangement for producing a flow in a wastewater treatment tank (1), comprising a substantially horizontal bottom (B) and a horizontal mixer (2, 3, 4), which is...
US20110253634 TREATMENT OF WASTEWATER  
The present invention provides systems, methods and devices for removing contaminants from an aqueous stream. In embodiments, these systems and methods may be applied to particular applications,...
US20140374103 TREATING AND RECYLCING OILFIELD WASTE WATER  
A process for treating oilfield waste water includes combining oilfield waste water and a biocide comprising hydrogen peroxide, the biocide being present in an amount effective to decrease a...
US20120021507 BIOREACTOR AND USES THEREOF  
Disclosed are bioreactor systems and methods to transfer a gaseous composition into a liquid composition in a closed environment. Also disclosed are bioreactor systems and methods for high-density...
US20120152546 CHEMICAL OXIDATION OR ELECTROMAGNETIC TREATMENT IN SAGD OPERATIONS  
A system for treating produced water, for example from a SAGD bitumen production operation, has a treatment unit using chemical oxidation (CO) or electromagnetic treatment (ET) to destroy or...
US20140251904 VORTEX DIODES AS EFFLUENT TREATMENT DEVICES  
The present invention discloses device that can generate a strong vortex in the vortex chamber which significantly enhances rate of reactions and effectiveness of waste water treatment. The...
US20080314844 Non-metallic oxygen-releasing canister for use in wells  
The invention is a non-metallic, preferably, plastic container for delivering oxygen generating materials (OGMs) into wells. By constructing the canister of a plastic and sealing the ends, the...
US20140367345 MULTI-STAGE AERATION APPARATUS  
A multi-stage aeration apparatus includes at least two vertically oriented aeration modules, Each aeration module defines a vertically elongated aeration chamber having a top inlet and a bottom...
US20140083953 COMPOSITION AND METHOD FOR REMOVING EXCESS FORMALDEHYDE  
Provided are compositions and methods for removing excess formaldehyde from aqueous systems. The compositions comprise: a hydroxylamine compound of formula I: OH I R—N—H (I) wherein R is as...
US20110198764 AERATION SYSTEM WITH ANTIMICROBIAL PROPERTIES  
Aeration pipe for diffusion of a gas into a liquid medium, the pipe having a flexible microporous tubular wall of thermoset polymer particles and a thermoplastic binder for melt bonding said...
US20150151992 METHOD AND SYSTEM FOR PROVIDING PURIFIED WATER  
A method of providing at least two outlet purified water streams from a water purification system by providing a first purified water into a first reservoir able to provide an outlet purified...
US20140030797 Utilization of Ferric Ammonium Citrate for In Situ Remediation of Chlorinated Solvents  
Accelerated dechlorination of soil and water contaminated with chlorinated solvents in situ is achieved by delivering ferric ammonium citrate into the soils and/or water. The induction of ferric...
US20130105408 WASTEWATER TREATMENT APPARATUS  
A water treatment unit includes a mixing chamber surrounding the upper end of a riser containing an impeller, Water can be moved from a body of water up through the riser, and out through...
US20110215057 Wastewater Treatment Apparatus  
A water treatment unit includes a mixing chamber surrounding the upper end of a riser containing an impeller. Water can be moved from a body of water up through the riser, and out through...

Matches 1 - 50 out of 206 1 2 3 4 5 >