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US20140138311 APPARATUS AND METHOD FOR REDUCING NITRATE USING IRON-OXIDIZING MICROORGANISM  
Disclosed herein are an apparatus and method for reducing nitrate using iron-oxidizing microorganisms, which can easily reduce nitrate using iron-oxidizing microorganisms. The apparatus includes:...
US20110127216 METHOD AND DEVICE FOR BIOLOGICAL TREATMENT OF WATER IN SWIMMING POOLS  
The invention relates to a method for biological treatment of water in swimming pools. The method requires neither chlorine nor other toxic chemicals in the pool water, since near-surface pool...
US20140299541 WATER FILTRATION AND SEWAGE SYSTEM  
A system to reuse water from a septic/bio digester is shown. A sterile potable water stream is produced which is useful for humans, animals and fish farming.
US20140102157 METHOD IN WHICH MOISTURE CONTENT OF PROCESSING OBJECT IS REDUCED AND/OR OIL-SOLUBLE SUBSTANCE IN PROCESSING OBJECT IS EXTRACTED IN OIL  
A method for efficiently reducing water content of an object to be treated that contains water without requiring a high-temperature environment such as one exceeding the boiling point of water,...
US20150083662 ANAEROBIC SUSPENDED GROWTH TREATMENT OF CONTAMINATED WATER  
A system may include a reactor, in which an anaerobic environment exists, that includes a slurry of at least contaminated water and a mixed bacterial culture of facultative bacteria and anaerobic...
US20130020258 SYSTEM AND METHOD FOR ADVANCED WASH WATER RECYCLING  
The present invention includes a system for recycling wash water, having a first separator configured to separate solids from wash water, a second separator configured to separate oil from wash...
US20140083942 SYSTEMS AND METHODS FOR TREATING PRODUCED WATER  
Embodiments relate to systems and methods for treating produced water and other contaminated water that can be customized or adapted to particular characteristics of the water and/or its...
US20140374348 Method for Treating Sewage Sludge and Wastewater Treatment Plant  
The invention describes a method for treating sewage sludge through the treatment steps of hydrolysing (2) the sewage sludge (1) and digesting (11) the hydrolysed sewage sludge (10), which has...
US20120080374 OZONE AND ANAEROBIC BIOLOGICAL PRETREATMENT FOR A DESALINATION PROCESS  
In one embodiment, a method of treating a source water containing at least one toxin is provided, the method comprising: (i) exposing a source water to a gas comprising ozone under a condition...
US20120055871 Electrolysis Method, and method and Plant for the Pretreatment of Raw Water  
The invention relates to an electrolysis method that uses iron particles and an aqueous solution containing sodium hypochlorite. The method is characterised in that said method uses direct...
US20130334133 Methods For Using Ozone To Enhance Anaerobic Digestion  
The invention discloses systems and methods for producing a gas stream containing ozone and a “carrier” or sweep gas that has an oxygen concentration that is below a predetermined percentage for...
US20140322798 INHIBITION OF METHANE PRODUCTION DURING ANAEROBIC REDUCTIVE DECHLORINATION  
This method of restricting methane production in methanogenic bacteria, by the use of the enzyme and coenzyme inhibitors, works during anaerobic reductive dechlorination. Various compounds such...
US20120006746 SYSTEM AND METHOD FOR REDUCING EMISSIONS IN A HOG CONFINEMENT FACILITY  
A system and method of reducing ammonia emissions. The system and method include a facility having a waste storage compartment below a floor comprised of slats with openings therebetween. A...
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.
US20130341269 METHOD FOR DESULPHURATION OF THE DIGESTATE AND THE BIOGAS OF A DIGESTER, AND BIOGAS PRODUCTION FACILITY IMPLEMENTING SAID METHOD  
The invention relates to a method for desulphuration of the digestate and biogas in a digester (1) of urban and/or agricultural and/or industrial effluent, by biochemical and/or thermochemical...
US20150258589 TREATMENT OF CONTAMINATED SOIL AND WATER  
The present invention relates to a method of remediating an environmental medium which is contaminated with a halogenated organic contaminant and/or a heavy metal comprising treating such medium...
US20130341267 TREATMENT FOR MOLASSES SPENT WASH AND OTHER WASTEWATERS  
Disclosed is a process and apparatus that uses multiple stages or unit processes to treat wastewater, such as distillery spent wash which may be molasses spent wash (MSW). The stages include one...
US20130112617 Redox wastewater biological nutrient removal treatment method  
A redox water biological nutrient removal treatment method utilizing sulfurous acid to act as either an oxidizing or a reducing solution via pH adjustment for water conditioning and bacterial...
US20110084416 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.
US20120241376 METHOD OF SELENIUM REMOVAL FROM AN AQUEOUS SOURCE  
A process for removing selenium is described in which selenium is removed from an aqueous source for discharge into a lake, pond, river or stream by a combination of biological reduction of...
US20120061317 Magnetic Pollen Grains as Sorbents for Organic Pollutants in Aqueous Media  
A method of removing a contaminant from liquid is provided. The method includes adding magnetic biological particles to a liquid containing a contaminant, sorbing the contaminant to the magnetic...
US20140076804 Struvite Precipitation Using Magnesium Sacrificial Anode  
A method precipitating struvite in wastewater uses a magnesium sacrificial anode as the only source of magnesium. A high-purity magnesium alloy cast anode was found to be very effective in...
US20130270181 SELENIUM REMOVAL USING CHEMICAL OXIDATION AND BIOLOGICAL REDUCTION  
Selenium in the form of a reduced species such as selenocyanate is oxidized to produce an oxidized selenium species such as selenate or selenite, and then a biological reduction process is used to...
US20130056412 MIXED LIQUOR FILTERABILITY TREATMENT IN A MEMBRANE BIOREACTOR  
A membrane bioreactor uses a process and apparatus for dosing flux enhancing chemicals (FEC) to respond to temporary periods of operation that cause, or are likely to cause, membrane fouling. An...
US20110269169 PSEUDOMONAS ALCALIPHILA MBR AND ITS APPLICATION IN BIOREDUCTION AND BIOSORPTION  
The present invention relates to microbiology technology field. More particularly, it relates to Pseudomonas alcaliphila MBR CGMCC 2318 which has the ability to reduce and adsorb metal and...
US20140263043 S/M FOR BIOLOGICAL TREATMENT OF WASTEWATER WITH SELENIUM REMOVAL  
The present invention is directed to systems and methods of treating wastewater. The present invention may include a method of treating such wastewater comprising selenium in the form of water...
US20120174639 Food Waste Concentration System and Related Processes  
A forward osmosis system and process for producing fertilizer and recycling water from a food waste methane digester wastewater stream. The process includes: forming a residual wastewater stream...
US20120152837 BIOLOGICAL TREATMENT METHOD OF ORGANIC-MATTER-CONTAINING WATER  
Provided is a biological treatment method of organic-matter-containing water in which a decrease in the permeation flux of a membrane in a membrane-separation activated-sludge process can be...
US20110024352 Water Treatment Process for the Reduction of THM & HAA Formation  
Disclosed herein are systems and process integrating the chemical-free oxidation of a photocatalytic decontamination process with a biological decontamination system to eliminate the THM and HAA...
US20130220920 METHODS FOR IMPROVING MEMBRANE BIOREACTOR SYSTEMS  
A method of conditioning mixed liquor in a membrane bioreactor includes dispersing a treatment additive in the mixed liquor. The treatment additive includes a water soluble block copolymer....
US20140311970 ROTATING DRUM MICRO-SCREEN FOR PRIMARY WASTEWATER TREATMENT  
A rotating screen has one or more panels arranged into a cylinder, or drum. The panels have openings in a micro-screening range, for example 100 microns or less. Wastewater to be screened is fed...
US20140116939 METHOD FOR WASTEWATER TREATMENT BY URINE SEPARATION, SEAWATER ADDITION, AND NITRIFICATION AND IN-SEWER DENITRIFICATION  
A method for wastewater treatment which comprises (a) separating and/or collecting urine from the wastewater for pretreatment, (b) removing phosphorus from urine using seawater, (c) optionally...
US20130032534 DENITRIFICATION PROCESS FOR REMEDIATION OF CONTAMINATED GROUNDWATER AND SOIL  
Processes for removing hydrocarbon contaminants from soil and groundwater via enhanced biological denitrification. A contamination zone of groundwater and/or soil is identified to define a volume...
US20140061125 WASTEWATER PROCESSING METHOD OF HYDROLYSIS-ACIDIFICATION ENHANCED BY ADDITION OF ZERO-VALENT IRON (ZVI)  
The invention discloses a wastewater processing method of hydrolysis-acidification enhanced by addition of zero-valent iron (ZVI), including the following steps: 3˜6 ZVI-filling layers are settled...
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...
US20070045183 Purified water reclamation process  
A hybrid alternative water reclamation process for producing and re-using purified water including use of a biological non-compartmented reactor basin having multiple prior art patented Omni-flow...
US20100227381 ENHANCED BIODEGRADATION OF NON-AQUEOUS PHASE LIQUIDS USING SURFACTANT ENHANCED IN-SITU CHEMICAL OXIDATION  
A method for in-situ reduction of contaminants in soil that uses chemical oxidation and biodegradation.
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...
US20090223892 USE OF NITRATE SALTS FOR SUPPRESSING DISTURBING ODOURS  
Nitrate salts are used to suppress disturbing biologically produced odors.
US20130032533 INTEGRATED MEMBRANE SYSTEM FOR DISTRIBUTED WATER TREATMENT  
Integrated membrane treatment systems for treatment of an aqueous solution. In embodiments, components, such as an MBR, are integrated with means to recover energy from the system, for example...
US20090206028 COMBINED NUTRIENT RECOVERY AND BIOGAS SCRUBBING SYSTEM INTEGRATED IN SERIES WITH ANIMAL MANURE ANAEROBIC DIGESTER  
An economical, integrated system works in series with anaerobic digestion of animal waste to recover nitrogen and phosphorous, while also scrubbing the produced biogas.
US20080272051 Compositions and Uses Thereof in Bioremediation  
Compositions for bioremediation are described. Systems and methods of using the compositions are also disclosed.
US20140335602 CHEMICAL OXIDATION AND BIOLOGICAL ATTENUATION PROCESS FOR THE TREATMENT OF CONTAMINATED MEDIA  
A method for the removal of semi-volatile organic compounds in soils, sludges, groundwater, process water, and wastewater is presented. Oxidation and biological attenuation processes utilize...
US20130037483 METHODS OF CONDITIONING MIXED LIQUOR USING WATER SOLUBLE QUATERNARY AMMONIUM STARCHES  
Disclosed is a method of conditioning mixed liquor in membrane bioreactor (MBR) systems comprising adding an effective amount of a treatment composition comprising a water soluble cationic...
US20150239761 RECOVERY OF RESOURCES FROM WASTE WATER  
The present invention relates to a method of recovering resources from waste water and especially to a method of recovering nitrogen from sanitation or sewage water. A multi-chamber ion exchange...
US20080314830 Method of Removing Phosphorus from Wastewater  
A process for removing phosphorus from wastewater wherein an iron or aluminum salt is added to the wastewater. The iron or aluminum salt results in the precipitation of certain iron or aluminum...
US20130233795 ANAEROBIC TREATMENT METHOD  
In an anaerobic treatment method in which contaminated water is introduced into an acidification tank to decompose polymer components in the contaminated water into organic acids, and the effluent...
US20080264857 New Bioremediation Substrate For Mine Influenced Water Remediation And Methods Of Use  
A new and improved method for treating mine influenced water (MIW) or other environmental contamination is disclosed. A number of electron donors are disclosed, including chitin complex-containing...
US20100200501 GREEN SYNTHESIS OF NANOMETALS USING PLANT EXTRACTS AND USE THEREOF  
The present invention relates to methods of making and using and compositions of metal nanoparticles formed by green chemistry synthetic techniques. For example, the present invention relates to...

Matches 1 - 50 out of 156 1 2 3 4 >