MODIFICATION OF CARBON MOLECULAR SIEVE (CMS) AND ADSORPTION SEPARATION OF C_2H_4 AND O_2 ON MODIFIED CMS

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MODIFICATION OF CARBON MOLECULAR SIEVE (CMS) AND ADSORPTION SEPARATION OF C_2H_4 AND O_2 ON MODIFIED CMS

Zhang Xiongfu, Wang Jinqu and Wang Qingchuan(Institute of Adsorption and Inorganic Membrane, Dalian University of Technology, Dalian 116012)

Online:1999-06-25 Published:1999-06-25

炭分子筛改性及其对乙烯和氧气的吸附分离性能

张雄福,王金渠,王青川

大连理工大学吸附与无机膜研究所,大连理工大学吸附与无机膜研究所,大连理工大学吸附与无机膜研究所大连116012,大连116012,大连116012

Abstract

Abstract: The modification of CMS by coke deposition was studied. The modification factors such as adsorption temperature, cracking temperature and concentration of modification agent were investigated. The adsorption separation of C2H4 and O2 on the modified CMS was evaluated by gravimetric method. The adsorption mechanism of O2 from C2H4 - O2 mixture by the modified CMS was discussed.

摘要： 用气相碳沉积法对炭分子筛进行了改性,并对吸附阶段温度、裂解温度、堵孔剂分压等改性条件予以详细考察;采用称量法在真空电子天平上评价了改性炭分子筛上乙烯和氧气的吸附扩散性能。结果表明,改性后炭分子筛选择吸附氧气的能力大大提高,可作为直接脱除乙烯中少量氧气的吸附剂。对扩散曲线模拟计算,拟合良好。

CLC Number:

O647.3

Zhang Xiongfu, Wang Jinqu and Wang Qingchuan(Institute of Adsorption and Inorganic Membrane, Dalian University of Technology, Dalian 116012). MODIFICATION OF CARBON MOLECULAR SIEVE (CMS) AND ADSORPTION SEPARATION OF C_2H_4 AND O_2 ON MODIFIED CMS[J]. .

张雄福,王金渠,王青川. 炭分子筛改性及其对乙烯和氧气的吸附分离性能 [J]. CIESC Journal.

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