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炭分子筛改性及其对乙烯和氧气的吸附分离性能
引用本文: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].化工学报,1999,50(3):343-350.
作者姓名:张雄福  王金渠  王青川
作者单位: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
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。

关 键 词:炭分子筛改性  乙烯  氧气  吸附分离性能

MODIFICATION OF CARBON MOLECULAR SIEVE (CMS) AND ADSORPTION SEPARATION OF C2H4 AND O2 ON MODIFIED CMS
Zhang Xiongfu,Wang Jinqu,Wang Qingchuan.MODIFICATION OF CARBON MOLECULAR SIEVE (CMS) AND ADSORPTION SEPARATION OF C2H4 AND O2 ON MODIFIED CMS[J].Journal of Chemical Industry and Engineering(China),1999,50(3):343-350.
Authors:Zhang Xiongfu  Wang Jinqu  Wang Qingchuan
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.
Keywords:carbon molecular sieve  modification  ethylene  oxygen  adsorption separation
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