1
Edward J Jordan, Wenjun Liu: Method for treating wastewater. Siemens Water Technologies, May 25, 2010: US07722769 (40 worldwide citation)

This invention is directed to a wastewater treatment system having a fluidizable media carrying anoxic bacteria in a first treatment zone and a filter membrane positioned in a second treatment zone. A wastewater is contacted with the fluidizable media and further contacted with air and a filter memb ...


2
Robert A Elefritz, Wenjun Liu: Wastewater treatment system and method. Siemens Water Technologies, November 25, 2008: US07455765 (40 worldwide citation)

The invention is directed to a wastewater treatment system having an anoxic biological treatment zone, an aerobic biological treatment zone and a separator. The concentration of oxygen in streams within the system is strategically managed for improved removal of nutrient from the wastewater. A sourc ...


3
Edward J Jordan, Wenjun Liu: Wastewater treatment system. Siemens Water Technologies, May 18, 2010: US07718057 (37 worldwide citation)

This invention is directed to a wastewater treatment system having a fluidizable media carrying anoxic bacteria in a first treatment zone and a filter membrane positioned in a second treatment zone. A wastewater is contacted with the fluidizable media and further contacted with air and a filter memb ...


4
Wenjun Liu, Fufang Zha, Matthew Kuzma, Edward John Jordan: Dynamic control of membrane bioreactor system. Siemens Water Technologies, February 2, 2010: US07655142 (8 worldwide citation)

A method of controlling the operating parameters of a membrane bioreactor system, the method including the steps of determining a control algorithm based on the relationship between the value of a parameter of the influent provided to the membrane bioreactor system and an optimal performance measure ...


5
Jaw Fang Lee, James J Goodley, Mark J Bubel Sr, William D McGurney, Wenjun Liu: Systems for treating wastewater in a series of filter-containing tanks. BioChem Technology, Piper Rudnick, March 16, 2004: US06706171 (5 worldwide citation)

This invention relates to systems for treating wastewater and more particularly to removing nutrients from wastewater in a wastewater treatment system. Wastewater tanks, each having membrane filters, are arranged in series. Each tank is equipped with respective inlets and outlets and an air supply a ...


6
Wenjun Liu, Edward John Jordan, George W Smith: Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods. Evoqua Water Technologies, November 25, 2014: US08894856 (1 worldwide citation)

A hybrid method and system of treating wastewater with reduced energy usage is disclosed. The treatment system has a sorption system, an anaerobic digester that digests or converts at least a portion of the solids or sludge from the sorption system, and an aerobic treatment tank that partially reduc ...


7
Wenjun Liu, Edward John Jordan, George W Smith: Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods. Evoqua Water Technologies, June 7, 2016: US09359239

A hybrid method and system of treating wastewater with reduced energy usage is disclosed. The treatment system has a sorption system, an anaerobic digester that digests or converts at least a portion of the solids or sludge from the sorption system, and an aerobic treatment tank that partially reduc ...


8
Wenjun Liu, Edward John Jordan, George W Smith, Joseph Edward Zuback: Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods. Evoqua Water Technologies, November 25, 2014: US08894855

A hybrid method and system of treating wastewater with reduced energy usage is disclosed. The treatment system has a sorption system and an anaerobic digester that digests or converts at least a portion of the solids or sludge from the sorption system.


9
Wenjun Liu, Edward John Jordan, Marc Roehl: Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods. Evoqua Water Technologies, June 7, 2016: US09359238

A hybrid method and system of treating wastewater with reduced energy usage is disclosed. The treatment system has a sorption system, an anaerobic digester that digests or converts at least a portion of the solids or sludge from the sorption system, and an aerobic treatment tank that partially reduc ...


10
Wenjun Liu, Edward J Jordan, Joseph E Zuback, George W Smith: Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods. Siemens Water Technologies, January 7, 2014: US08623213

A hybrid method and system of treating wastewater with reduced energy usage is disclosed. The treatment system has a sorption system, an anaerobic digester that digests or converts at least a portion of the solids or sludge from the sorption system, and an aerobic treatment tank that partially reduc ...



Click the thumbnails below to visualize the patent trend.