1
Fufang Zha, Gerin James, Edward Joseph Zuback, Peter Zauner, Roger Phelps: Membrane cleaning with pulsed airlift pump. Siemens, October 16, 2012: US08287743 (5 worldwide citation)

A method of cleaning a membrane surface immersed in a liquid medium with a fluid flow, including the steps of providing a randomly generated intermittent or pulsed fluid flow along the membrane surface to dislodge fouling materials therefrom. A membrane module is also disclosed comprising a pluralit ...


2
Roger Phelps: Fibre membrane arrangement. Knobbe Martens Olson & Bear, December 11, 2003: US20030226797-A1 (1 worldwide citation)

A method of reducing solids fouling between porous membranes in a membrane filtration system of the type having a plurality of membranes mounted, at least at one end, to a header and operable to withdraw permeate from multicomponent liquid substrate in which said porous membranes are immersed, the m ...


3
Roger Phelps, Joan Amanda Lenting, William E Davis: Gas scouring apparatus for immersed membranes. Evoqua Water Technologies, November 14, 2017: US09815027

Disclosed herein are aspects and embodiments of an apparatus for providing gas slugs in a liquid. In one example, the apparatus comprises a housing defining a chamber, a bell tube including a wall and an open upper end disposed within the chamber, a riser tube including a wall, an open lower end, an ...


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Roger Phelps: Fiber membrane arrangement. Us Filter Wastemwater Group, dong min, January 28, 2004: CN01817833

A method of reducing solids fouling between porous membranes in a membrane filtration system of the type having a plurality of membranes mounted, at least at one end, to a header and operable to withdraw permeate from multicomponent liquid substrate in which said porous membranes are immersed, the m ...


6
Gerin James, Roger Phelps, Peter Zauner, Fufang Zha, Joseph Edward Zuback, Edward John Jordan, Wenjun Liu: Membrane cleaning with pulsed gas slugs. Siemens, November 15, 2012: US20120285885-A1

Aspects and embodiments of the present application are direction to systems and methods for treating fluids and to systems and methods for cleaning membrane modules used in the treatment of fluids. Disclosed herein is a membrane filtration system and a method of operating same. The membrane filtrati ...



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