Asphaltene removal from crude oil by means of ceramic membranes

被引：18

作者：

Ashtari, M. ^{[1
]}

Ashrafizadeh, S. N. ^{[1
]}

Bayat, M. ^{[2
]}

机构：

[1] Iran Univ Sci & Technol, Res Lab Adv Separat Proc, Dept Chem Engn, Tehran 1684613114, Iran

[2] RIPI, Tehran, Iran

来源：

JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING | 2012年 / 82-83卷

关键词：

crude oil; asphaltene; ceramic membrane; separation; filtration; NANOFILTRATION;

D O I：

10.1016/j.petrol.2012.01.001

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Separation of asphaltenes from three types of Iranian crude oils of different asphaltene contents, using asymmetric, ceramic monolith membranes with the pore sizes of 0.2 mu m and 50 nm was investigated. The experiments were conducted in a batch filtration unit at a differential pressure of 200 kPa and a temperature of 120 degrees C. Two important operating parameters including flux of permeate and asphaltene rejection were monitored as a function of time. A decline in the flux of permeate and an increase in the asphaltene rejection occurred as a result of fouling the membrane. The flux of permeate did not exhibit a strong function of pore size and this phenomenon confirmed that fouling of the membrane was according to the formation of gel layer. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：44 / 49

页数：6

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