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Spiral wound element for separation 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-063/10
출원번호 US-0921872 (1992-07-29)
발명자 / 주소
  • Feimer Joseph L. (Sarnia LA CAX) Chen Tan-Jen (Baton Rouge LA) Smith
  • Jr. Dean L. (Mountainside NJ) Bray Donald T. (Escondido CA) de la Cruz Deborah (Escondido CA)
출원인 / 주소
  • Exxon Research & Engineering Co. (Florham Park NJ 02)
인용정보 피인용 횟수 : 99  인용 특허 : 0

초록 ▼

An improved spiral wound element for separations is disclosed wherein the improvement comprises using as the feed/retentate space one or more layers of a material having an open cross-sectional area in the range 30 to 70% and as the permeate spacer material at least three layers of material two of w

대표청구항 ▼

A spiral wound membrane element comprising layers of membrane material fluid tight sealed along three edges enclosing a permeate spacer creating at least one permeate envelope which is contacted along at least one membrane face with a feed-retentate spacer, the entire multi-layer arrangement being w

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