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    • 8. 发明授权
    • Process for manufacturing a carbon molecular sieve
    • 制造碳分子筛的方法
    • US4742040A
    • 1988-05-03
    • US8327
    • 1987-01-29
    • Takushi OhsakiSusumu Abe
    • Takushi OhsakiSusumu Abe
    • B01J20/20C01B31/08C01B37/00
    • B01J20/20
    • A process for manufacturing a carbon molecular sieve having both increased gas adsorption capacity and selectivity, which entails:(a) adding coal tar, coal tar pitch, or a combination thereof to powdered coconut shell charcoal as a binder;(b) pelletizing the mixture and carbonizing the same at about 600.degree.-900.degree.;(c) immersing the pellets in mineral acid solution, thereby sustantially removing soluble ingredients containing alkaline metal compounds therefrom;(d) drying the immersed pellets;(e) adding to the dried pellets a fraction of cresote which is distilled at a temperature of 140.degree. to 260.degree. C., in an amount sufficient to increase both said gas adsorption capacity and selectivity;(f) heating the pellets to about 600.degree.-900.degree. C., for about 10-60 minutes; and(g) cooling the pellets in an inert gas.
    • 一种制造具有增加的气体吸附能力和选择性的碳分子筛的方法,其包括:(a)将煤焦油,煤焦油沥青或其组合添加到作为粘合剂的粉末状椰子炭炭上; (b)将混合物造粒并在约600-900℃下对其进行碳化; (c)将颗粒浸入无机酸溶液中,由此维持从其中含有碱金属化合物的可溶性成分; (d)干燥浸渍的颗粒; (e)向干燥的颗粒中加入一部分在140℃至260℃的温度下蒸馏的氯氰菊酯,其量足以增加所述气体吸附能力和选择性; (f)将丸粒加热至约600-900℃约10-60分钟; 和(g)在惰性气体中冷却丸粒。