SEPARATION OF PROPYLENE BY FACILITATED TRANSPORT MEMBRANES (I) TECHNOLOGICAL CONDITIONS

Qiu Liqin; Ma Shaofeng; Chen Hongfang(Research and Development Center for Petrochemical Technology

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SEPARATION OF PROPYLENE BY FACILITATED TRANSPORT MEMBRANES (I) TECHNOLOGICAL CONDITIONS

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- SEPARATION OF PROPYLENE BY FACILITATED TRANSPORT MEMBRANES (I) TECHNOLOGICAL CONDITIONS
- CIESC Journal Issue 3, (1996)
- 作者机构：
  
  天津大学石油化工技术开发中心!天津300072,天津大学石油化工技术开发中心!天津300072,天津大学石油化工技术开发中心,天津,300072
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q028
- Online First：25 June 1996，
  
  Published：25 June 1996
- 稿件说明：
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Qiu Liqin, Ma Shaofeng, Chen Hongfang(Research and Development Center for Petrochemical Technology. SEPARATION OF PROPYLENE BY FACILITATED TRANSPORT MEMBRANES (I) TECHNOLOGICAL CONDITIONS[J]. CIESC Journal, 1996, (3).
DOI：

Qiu Liqin, Ma Shaofeng, Chen Hongfang(Research and Development Center for Petrochemical Technology. SEPARATION OF PROPYLENE BY FACILITATED TRANSPORT MEMBRANES (I) TECHNOLOGICAL CONDITIONS[J]. CIESC Journal, 1996, (3). DOI：

摘要

用含有AgNO3载体的支撑液膜对丙烯进行促进传质分离，研究了不同工艺条件、支撑体材料等因素对丙烯纯度、渗透速率、单程收率及选择性因子的影响．在最佳条件下，丙烯的纯度达99.3％～99.7％，单程收率5.6％，选择性因子＞700．给出了液膜稳定性处理方法．实践证明，支撑液膜促进传递过程明显优于被动的溶解-扩散过程．

Abstract

The facilitated transport of propylene through supported liquid membranes containing silver nitrate as a carrier was realized.The effects of different technological conditions and membrane material etc.on the purity of propylene

the Permeation rates

once through yield of propylene and the selectivity factor were studied.Under best conditions

the purity of propylene is up to 99.3%～99.7%

the selectivity factor more than 700

once through yield of propylene up to 5.6%.The ways of improving supported liquid membranes stability were given.The Process of facilitated transport through supported liquid membranes is proved by practice to be superior to the process of dissolution-diffusion.

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