Method for separation of nitrogen and carbon dioxide by use of c

Details Method for separation of nitrogen and carbon dioxide by use of c Method for separation of nitrogen and carbon dioxide by use of c

1996-05-28

1997-08-05

Spitzer, Robert

Gas separation: processes

Solid sorption

Inorganic gas or liquid particle sorbed

95902, 423230, B01D 5304

Patent

active

056537859

ABSTRACT:
Separation of nitrogen and carbon dioxide is accomplished by a method using as a separating material one member selected from the group consisting of sepiolite in the unmodified form, sepiolite which has been heat-treated, and sepiolite which has had part or the whole of the exchangeable cation thereof replaced with zinc ion and which has been subsequently subjected to a heat treatment.

REFERENCES:
patent: 3751878 (1973-08-01), Collins
patent: 4775396 (1988-10-01), Rastelli et al.
patent: 5186727 (1993-02-01), Chang
K. Brauner, et al., "Struktur und Entstehung des Sepioliths", Mineral, Petro. Mitt., vol. 6, pp. 120-140, 1956.
Ryohei Otsuka, et al., "Occurrances and Mineralogical Properties of Sepiolite", Nendo Kagaku, vol. 32, No. 3, pp. 154-172, 1992.
Yoshiaki Fukushima, et al. "Absorption and Catalytic Properties of Sepiolite", Nendo Kagaku, vol. 32, No. 3, pp. 177-183, 1992.
Toshie Kitayama, et al., Nihon Kagaku Kaishi, The Chemical Society of Japan, No. 11, pp. 1824-1829, 1989.
Hiroshi Nagata, et al., "On Dehydration of Bound Water of Sepiolite", Clays and Clay Minerals, vol. 22, pp. 285-293, 1974.
Database WPI, Derwent Publications Ltd., AN 92-092760, Patent Abstracts of Japan, vol. 16, No. 202 (C-0940), May 14, 1992 of JP-A-04 035 739, Feb. 6, 1992.
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Database WPI, Derwent Publications Ltd., AN 91-263915, JP-A-03 174 090, Jul. 29, 1991.
Journal of Chromatography, vol. 77, 1973, pp. 109-118, G. Manara, et al., "Selective Adsorption Properties of the Surfaces of Attapulgite and Sepiolite".

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