Featured patents

Apparatus and Method for Processing Liquid Waste
US 08501006 B2, Aug. 6, 2013, David W. Presby / Presby Patent Trust (Whitefield, US)
A system for treating wastewater, the system comprising:…

Apparatus and Methods for Control of Waste Treatment Processes
US 08845900 B2, Sept. 30, 2014, Daniel R. Miklos / Evoqua Water Technologies LLC (Alpharetta, US)
A method of treating wastewater, comprising:…

Apparatus and Methods for Control of Waste Treatment Processes
US 08454830 B2, June 4, 2013, Daniel R. Miklos / Siemens Industry, Inc. (Alpharetta, US)
A method of treating wastewater, the method comprising the steps of:…

Compact Upright Bioreactor for the Elimination of Nutrients
US 08585900 B2, Nov. 19, 2013, Maryam Reza et al.
A method of removing nutrient from water/wastewater comprising:…

Contact-stabilization/Prime-float Hybrid
US 08808544 B2, Aug. 19, 2014, Colin M. McKean et al. / Evoqua Water Technologies LLC (Alpharetta, US)
A wastewater treatment system comprising:…

Hybrid Aerobic and Anaerobic Wastewater and Sludge Treatment Systems and Methods
US 08623213 B2, Jan. 7, 2014, Joseph E. Zuback et al. / Siemens Water Technologies LLC (Alpharetta, US)
A process for treating wastewater comprising:…

Integrated Biological Wastewater Treatment and Clarification
US 08753511 B2, June 17, 2014, Nir Assulin et al. / AQ-WISE—Wise Water Technologies Ltd. (Herzilla, IL)
Apparatus for integrated biological wastewater treatment and clarification…

Local Sewage Processing Unit, Sewage Treatment System, Method of Locally Processing Sewage and Sewage Treatment Process
US 08840789 B2, Sept. 23, 2014, Stephen Watt et al. / Mono Pumps Limited (Manchester, GB)
A local sewage processing unit comprising:…

Method and Apparatus for Treating Nitrate Waste Liquid
US 08465646 B2, June 18, 2013, Kuniaki Takahashi et al. / Mitsubishi Heavy Industries, Ltd. (Tokyo, JP)
A method for treating a nitrate waste liquid performing a treatment for reducing…

Method and System for Treating Wastewater
US 08721887 B2, May 13, 2014, Glen T. Daigger et al. / CH2M Hill, Inc. (Englewood, US)
A method for treating wastewater comprising:…

Method for Wet Weather Wastewater Treatment
US 08808543 B2, Aug. 19, 2014, John H. Reid
A method for treating wastewater comprising:…

Method of Biological Phosphorus Removal With Maximum Nitrogen Removal in Wastewater
US 08568592 B2, Oct. 29, 2013, Thomas E. Coleman / dTEC Systems LLC (Seattle, US)
A method for removing phosphorus and nitrogen from an activated sludge wastewater…

Method to Stimulate and Sustain the Anaerobic Biodegradation of Light Non-Aqueous Phase Liquid
US 08679340 B1, March 25, 2014, Glenn Ulrich / Parsons Corporation (Pasadena, US)
A method for treating LNAPL source zones using a cost effective LNAPL source zone…

Process for Removing Ammonium From a Wastewater Stream
US 08864993 B2, Oct. 21, 2014, Thomas Welander et al. / Veolia Water Solutions & Technologies Support (Saint Maurice, FR)
A method of biologically treating wastewater in a wastewater treatment system…

Refuse Landfill Leachate Wastewater Treatment System and Technology
US 08679339 B2, March 25, 2014, Zhiping Kuang et al.
A refuse landfill leachate wastewater treatment system, comprising:…

River Water Purification Apparatus and Method Using Treatment Soil Layer and Permeable Filtering Medium Layer
US 08721886 B2, May 13, 2014, Kyu Hong Ahn et al. / Korea Institute of Science and Technology KR
A river water purification apparatus comprising:…

Sewage Nitrate Removal by Free-Draining Asphyxiant Filtration and Carbon Addition
US 08652329 B2, Feb. 18, 2014, E. Craig Jowett / Rowanwood IP Inc. (Rockwood, Ontario, CA)
Apparatus for lowering the concentration of dissolved nitrate in wastewater,…

Simultaneous Anoxic Biological Phosphorus and Nitrogen Removal
US 08747671 B2, June 10, 2014, Yanjin Liu et al. / American Water Works Company, Inc. (Voorhees, US)
A process for treating wastewater to simultaneously remove organic matter,…

Solids Retention Time Uncoupling by Selective Wasting of Sludge
US 08535534 B2, Sept. 17, 2013, Peter G. Stroot / University of South Florida (Tampa, US)
A method of enhancing nitrification or anaerobic ammonium oxidation in wastewater…

Submerged System and Method for Removal of Undesirable Substances From Aqueous Media
US 08764986 B2, July 1, 2014, Joyce A. Okey et al. / University of Utah Research Foundation (Salt Lake City, US)
A system for removal of undesirable substances from a body of liquid, comprising:…

System for Solids Retention Time Uncoupling by Selective Wasting of Sludge
US 08628666 B2, Jan. 14, 2014, Peter G. Stroot / University of South Florida (Tampa, US)
A nitrification or anaerobic ammonium oxidation wastewater system comprising:…

Systems and Methods for Nutrient Removal in Biological Treatment Systems
US 08685247 B2, April 1, 2014, John Edward Olson / Evoqua Water Technologies LLC (Alpharetta, US)
A process for reducing a concentration of a nutrient from a wastewater…

Systems and Methods for Treating Wastewater
US 08821727 B2, Sept. 2, 2014, John Maurice McNellis et al. / Aero-Mod Incorporated (Manhattan, US)
A wastewater treatment system comprising:…

Waste Water Treatment Method
US 08790514 B2, July 29, 2014, Richard D. Rath et al.
A method for treating contaminated water comprising:…

Waste Water Treatment Method
US 08529763 B2, Sept. 10, 2013, Richard D. Rath et al. / Anticline Disposal, LLC (Boulder, US)
A method treating produced water comprising:…

Wastewater Processing Method of Hydrolysis-Acidification Enhanced by Addition of Zero-Valent Iron (ZVI)
US 08758617 B2, June 24, 2014, Yang Yang Li et al. / Dalian University of Technology (Dalian, CN)
A wastewater processing method of hydrolysis-acidification enhanced by addition…

Wastewater Treatment
US 08524084 B2, Sept. 3, 2013, Alexander Fassbender
An apparatus comprising:…

Wastewater Treatment Process and Plant Comprising Controlling the Dissolved Oxygen Concentration
US 08784658 B2, July 22, 2014, Garry Hoyland / Bluewater Bio Technologies Limited (Glen Vine, GB)
A process for treating wastewater comprising:…

Patentorg has 29 documents under Anaerobically, With Subsequently Aerobically Treating Liquid Patents.

Other subcategories for category Liquid purification or separation
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