Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1982-06-01
1984-05-22
Adee, John
Liquid purification or separation
Processes
Ion exchange or selective sorption
210656, 210807, 210290, 55 74, 55386, B01D 1500
Patent
active
044500823
ABSTRACT:
A method for obtaining uniform stream in an adsorption column is disclosed. This method uses an adsorption column having at least one single-flow passage in which the ratio of the inner diameter of the column to the average particle size of a packing to be packed in the adsorption column is at least 20, and comprises classifying the packing to be packed in the adsorption column and packing the fractions of the packing into the adsorption column in the order of particle size. Thus, a desired substance or substances contained in a mixture can be adsorbed and then separated as a uniform stream in an adsorption column.
REFERENCES:
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patent: 3382983 (1968-05-01), Stewart
patent: 3422605 (1969-01-01), Crowley
patent: 4259186 (1981-03-01), Boeing
Introduction to Modern Liquid Chromatography by Snyder et al., See pp. 178-184, John Wiley & Sons of New York, 1974.
Gas Chromatography by Szepesy, See p. 205, CRC Press of Cleveland, 1970.
S. Hiranaka "Haikan (Piping) Gijutsu (Technique)", pp. 59-65, May 1979.
N. Standish and G. D. Bull Chem. Eng. Sci., 36, 774-776 (1981).
Asahina Yoshiyuki
Tanouchi Masatoshi
Adee John
Asahi Kasei Kogyo Kabushiki Kaisha
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