PREPARATION OF CARBON MOLECULAR-SIEVES .1. 2-STEP HYDROCARBON DEPOSITION WITH A SINGLE HYDROCARBON

被引：62

作者：

CABRERA, AL ^{[1
]}

ZEHNER, JE ^{[1
]}

COE, CG ^{[1
]}

GAFFNEY, TR ^{[1
]}

FARRIS, TS ^{[1
]}

ARMOR, JN ^{[1
]}

机构：

[1] AIR PROD & CHEM INC,7201 HAMILTON BLVD,ALLENTOWN,PA 18195

来源：

CARBON | 1993年 / 31卷 / 06期

关键词：

MOLECULAR SIEVE; SYNTHESIS; AIR SEPARATION; HYDROCARBON DECOMPOSITION; CARBON;

D O I：

10.1016/0008-6223(93)90200-T

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A process is described for preparing a carbon molecular sieve that is suitable for the kinetic separation of gases, such as oxygen from nitrogen. The process involves modifying a carbon support, having a majority of micropores with an effective pore size of about 4.5 to 20 angstrom, using a two-step process in which the sieve is contacted with two different concentrations of a volatile carbon-containing organic compound. The concentration of the carbon-containing compound used in the first step is larger than that in the second step, so that the pore openings of the micropores of the support are narrowed successively in two distinct steps without excessively filling the micropores themselves.

引用

页码：969 / 976

页数：8

共 27 条

[1]

ARMOR JN, 1991, 20TH P BIENN C CARB

[2]

ARMOR JN, 1992, Patent No. 5086033

[3]

BARON GV, 1990, GAS SEPARATION TECHN, P137

[4]

BRECK DW, 1974, ZEOLITE MOL SIEVES, P636

[5]

CABRERA AL, 1991, Patent No. 005071450

[6] CONTROL OF MICROPORE DIFFUSIVITIES OF MOLECULAR-SIEVING CARBON BY DEPOSITION OF HYDROCARBONS [J].

CHIHARA, K ;

SUZUKI, M .

CARBON, 1979, 17 (04) :339-343

[7]

COE CG, UNPUB

[8]

FOLEY HC, 1988, ACS SYM SER, V368, P335

[9]

GAFFNEY TR, 1992, Patent No. 5164355

[10]

GAFFNEY TR, 1992, Patent No. 5098880

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