SPIRAL WOUND MEMBRANE ELEMENT AND PERMEATE CARRIER

SPIRAL WOUND MEMBRANE ELEMENT AND PERMEATE CARRIER

A permeate carrier for a spiral wound membrane element has two or three layers, for example of tricot construction. The two outer, or only, layers resist movement of the membrane sheet into permeate channels in the permeate carrier. The total thickness of the permeate carrier sheet may be similar to...

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Hauptverfasser: BHARWADA UPEN JAYANT, RADHAKRISHNAN JAYAPRAKASH SANDHALA, DONTULA PRASANNA RAO, PATNAM MURALIDHAR, TAYALIA YATIN
Format: Patent
Sprache:eng ; kor
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PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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creator BHARWADA UPEN JAYANT
RADHAKRISHNAN JAYAPRAKASH SANDHALA
DONTULA PRASANNA RAO
PATNAM MURALIDHAR
TAYALIA YATIN
description A permeate carrier for a spiral wound membrane element has two or three layers, for example of tricot construction. The two outer, or only, layers resist movement of the membrane sheet into permeate channels in the permeate carrier. The total thickness of the permeate carrier sheet may be similar to the thickness of typical tricot permeate carrier sheets. The permeate carrier sheet may be coated to make its surfaces hydrophilic. The coating may be, for example, a cross-linked polyvinyl alcohol (PVA) or polyvinyl pyrrolidone (PVP). In the spiral wound element, a permeate carrier sheet may be wrapped in one or more layers around a central tube. Channels in the permeate carrier sheet are oriented helically relative to a longitudinal axis of the central tube.
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subjects PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
title SPIRAL WOUND MEMBRANE ELEMENT AND PERMEATE CARRIER
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