Momentive Performance Materials Gmbh

General Electric Company

Vetco Gray Scandinavia As

Bl Technologies, Inc.

Momentive Performance Materials Gmbh & Co., Kg

Zijun Xia

Wenqing Peng

George A Policello

Mark Leatherman

Suresh K Rajaraman

Roland Wagner

Wei Cai

Rihua Xiong

Chengqian Zhang

Hua Wang

Liping Zheng

Qunjian Huang

Jiyang Xia

Xiaoan Xie

Wei Lu

James Manio Silva

Andrew Philip Shapiro

Karl-Heinz Sockel

Bo Yan

Karl-Heinz Stachulla

Jeffrey I Melzer

John H Barber

Yongchang Zheng

Alain Lejeune

Alexander S Borovik

Lei Cao

Yanju Wang

Xing Zhang

Caroline Chihyu Sui

Yida Xu

Yiwen Sun

Jianhua Fang

Wujun Rong

Jose Luis Plasencia Cabanillas

Ronald Wagner

Weiming Zhang

Suresh K Rajamaran

Bruce Batchelder

Jose Luis Plasencia

Chihyu Caroline Sui

David Michael Stachera

Liping Zeng

Andrew Jon Zaske

Mark D Leatherman

Wenqing N Peng

Suresh K Rajarman

An electrodialysis cell includes a housing defining an internal chamber, a core positioned within the internal chamber, a first electrode positioned in the internal chamber adjacent the housing, a second electrode coupled to the core and spaced from the first electrode, and a membrane assembly positioned between the first and second electrodes in a spiral wound configuration. The housing includes an inlet end for receiving a feed fluid and an outlet end in fluid communication with the inlet end. The membrane assembly includes a plurality of ion exchange membranes spaced from each other to define a plurality of fluid channels between the inlet and outlet ends.

Spiral wound bipolar electrodialysis cell

The invention concerns a subsea water processing system comprising an electrochemical unit that uses raw or treated seawater to generate high pH and low pH solutions that are used to clean at least one subsea process apparatus during a cleaning cycle by circulation through the at least one subsea process apparatus via acid or base flow lines connecting the electrochemical unit with the subsea process apparatus on-site.

Subsea equipment cleaning system and method

A water treatment system comprises at least one electrolytic cell comprising at least one electrode and a power source for powering the electrode. The electrode may be a metal electrode comprising a coating of polymer comprising structural units of formula I (I) wherein Ris independently at each occurrence a C-Calkyl radical or &#x2014;SOM wherein M is independently at each occurrence a hydrogen or an alkali metal a hydrogen or an alkali metal, Ris independently at each occurrence a C-Calkyl radical, a is independently at each occurrence an integer ranging from 0 to 4, and b is independently at each occurrence an integer ranging from 0 to 3. An associated method is also described. 

Polymeric-metal composite electrode-based electrochemical device for generating oxidants

A water treatment system comprises an electrolytic cell comprising: a first electrode; a second electrode comprising a coating of polymer comprising structural units of formula I and a power source for powering the first and the second electrodes; wherein Ris independently at each occurrence a C-Calkyl radical or &#x2014;SOH; Ris independently at each occurrence a C-Calkyl radical; a is independently at each occurrence an integer ranging from 0 to 4; and b is independently at each occurrence an integer ranging from 0 to 3. An associated method is also described.

Electrochemical water treatment system and method

A treatment system is provided and comprises a precipitation unit and a recovery unit. The precipitation unit is configured to treat a solution using one or more miscible organic solvents to produce a mixture of precipitate solids and a liquid. The recovery unit is in fluid communication with the precipitation unit and configured to facilitate separating the liquid at least into an organic phase liquid and an aqueous phase liquid comprising a portion of the one or more miscible organic solvents. The treatment system further comprises a purification unit comprising one or more membrane devices in fluid communication with the recovery unit and configured to separate at least a portion of the one or more miscible organic solvents in the aqueous phase liquid from the aqueous phase liquid. A treatment system and a treatment process are also presented.

Systems and processes for treatment of solutions

A water treatment device including an electro-coagulation (EC) unit for treating a stream of feed water to produce a stream of EC treated water of lower salinity than the stream of feed water, an electrical separation unit for treating the stream of EC treated water to obtain a stream of product water of lower salinity than the EC treated water, and a precipitation unit for providing a stream of wash water to wash the electrical separation unit and become a stream of reject water flowing back to the precipitation unit, wherein precipitation in the precipitation unit produces the stream of wash water of lower salinity than the stream of reject water.

Water treatment device and method

A method for removing ionic species from a desalination unit, comprises: (a) circulating a wash stream in a closed loop comprising a desalination unit and a precipitation unit, the wash stream flowing at a linear velocity of at least 5 cm/second through the desalination unit, the wash stream becoming more saline after passage through the desalination unit; and (b) removing a portion of calcium sulfate from the wash stream by precipitation in the precipitation unit to obtain a supersaturation degree of calcium sulfate in the wash stream entering the desalination unit in a range of from about 1.0 to about 3.0.

Method for removing ionic species from desalination unit

The present invention provides for a composition comprising a silane having the formula:(R)(R)(R)Si&#x2014;R&#x2014;Si(R)(R)(R)wherein

Hydrolysis resistant organomodified silylated ionic surfactants

The present invention provides for a composition comprising a siloxane having the formula:MDMwhereinM=(R)(R)(R)SiO;M=(R)(R)(R)SiOandD=(R)(Z)SiOwhere R, R, RR, R, Rand Rare each independently selected from the group consisting of 1 to 4 carbon monovalent hydrocarbon radicals, aryl, and a hydrocarbon group of 4 to 9 carbons containing an aryl group; Z is a pendant hydrophilic ionic group selected from the group consisting of R&#x2014;R, RR, and R&#x2014;R; Rbeing an anionic substituent, Ra cationic substituent or Ra zwitterionic substituent on the D group wherein said siloxane has an enhanced resistance to hydrolysis at a pH below 6 or a pH above 7.5.

Hydrolysis resistant organomodified trisiloxane ionic surfactants

The present invention relates to coating and printing ink compositions possessing silicone surfactants compositions comprising fluorine-free organomodified trisiloxanes which are resistant to hydrolysis between a pH of about 3 to a pH of about 12. The coatings and printing ink composition of the present invention exhibit enhanced wetting, flow and leveling properties.

Fluorine-free trisiloxane surfactant compositions for use in coatings and printing ink compositions

Three types of trisiloxane surfactants having the basic formula:MDM'are described wherein the substituents on the differing M and M&#x2032; groups in conjunction with a pendant polyalkylene oxide substituents on the D group to render the surfactant resistant to hydrolysis under either basic or acidic conditions.

Hydrolysis resistant organomodified trisiloxane surfactants

The present invention relates to new organodisilanes or carbodisilanes, a process for manufacturing the same and their use, in particular, as surface active agents, especially as spreading agents.

Surface active organosilicone compounds

Organomodified silylated surfactant compositions that exhibit resistance to hydrolysis over a wide pH range.

Use of hydrolysis resistant organomodified silylated surfactants

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Shanghai, China

Zijun Xia