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Fufang Zha, Zhiyi Cao: Reduction of backwash liquid waste. Evoqua Water Technologies, July 29, 2014: US08790515 (4 worldwide citation)

A method of filtering solids from a liquid suspension comprising providing a pressure differential across the walls of permeable, hollow membranes (5) immersed in the liquid suspension contained in a vessel (8), the liquid suspension being applied to the outer surface of the porous hollow membrane ( ...


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Noorjahan Panjwani, Zhiyi Cao: Use of Galectin-3 to promote the re-epithelialization of wounds. Trustees of Tufts College, Lawson & Weitzen, Sonia K Guterman, November 22, 2005: US06967021 (2 worldwide citation)

Methods for the therapeutic treatment of epithelial wounds in mammals comprising administering to a mammal afflicted with an epithelial wound a therapeutically effective amount of a galectin-3 protein and/or a galectin-7 protein are provided. Pharmaceutical compositions comprising a pharmaceutically ...


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Fufang Zha, Zhiyi Cao: Membrane system backwash energy efficiency. Siemens Water Technologies, February 18, 2014: US08652331 (1 worldwide citation)

A method of backwashing a membrane filtration system comprising at least one permeable membrane, preferably a hollow fiber membrane, the method comprising the step of applying a pressurized gas at a variable pressure to permeate remaining present in the system when filtration process is stopped or s ...


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Bruce Gregory Biltoft, Zhiyi Cao, Jen Thai Law, Huw Alexander Lazaredes: Fluid flow distribution device. Evoqua Water Technologies, March 13, 2018: US09914097

In a first membrane filtration module comprises a membrane module comprising a plurality of permeable hollow membranes; a fluid distribution device adapted to removably surround at least a portion of the membranes of the membrane module, the fluid distribution device comprising a plurality of throug ...


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Warren T Johnson, Thomas W Beck, Fufang Zha, Zhiyi Cao, Jessica Stiller, Bruce Biltoft: Membrane module protection. Evoqua Water Technologies, September 19, 2017: US09764288

In accordance with aspects and embodiments, a filtration system is provided comprising a membrane module comprising an upper header and a lower header, a plurality of hollow fiber membranes having an upper end potted in the upper header and a lower end potted in the lower head, a cage at least parti ...


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Fufang Zha, Zhiyi Cao: Chemical clean for membrane filter. Evoqua Water Technologies, June 13, 2017: US09675938

A method of cleaning a porous polymeric membrane having a feed side and a permeate side including the steps of introducing a fluid containing a cleaning agent to the permeate side of a membrane allowing the cleaning agent to contact the permeate side of the membrane for a predetermined time, and con ...


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Warren Thomas Johnson, Thomas William Beck, Fufang Zha, Huw Alexander Lazaredes, Zhiyi Cao: Backwash. Siemens, September 18, 2012: US08268176

A method of backwashing a membrane filtration module (4), said module (4) including one or more membranes (5) located in a feed-containing vessel (3), the membranes (5) having a permeable wall which is subjected to a filtration operation wherein feed containing contaminant matter is applied to one s ...


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Noorjahan Panjwani, Zhiyi Cao: Use of galectin-3 and galectin-7 to promote the re-epithelialization of wounds. Brenda Herschbach Jarrell PhD, Choate Hall & Stewart, April 15, 2004: US20040071684-A1

Methods for the therapeutic treatment of epithelial wounds in mammals comprising administering to a mammal afflicted with an epithelial wound a therapeutically effective amount of a galectin-3 protein and/or a galectin-7 protein are provided. Pharmaceutical compositions comprising a pharmaceutically ...