ADSORBENT FOR TREATING GASSES TO REMOVE HYDROGEN SULFIDE AND METHOD OF PREPARATION THEREOF Russian patent published in 2001 - IPC

Abstract RU 2171710 C1

FIELD: gas treatment. SUBSTANCE: adsorbent efficient at 20 to 120 C and regenerated at temperatures from 200 to 500 C contains alumina, sodium and/or potassium compound in amount 6-18% (on conversion to metal oxide), and carbonate anion at molar ratio to alkali metal oxide from 0.1:1 to 0.7: 1. Adsorbent is prepared by impregnating activated alumina with solution of carbonates of indicated metals followed by drying and calcination at 300 to 680 C. EFFECT: improved regeneration capacity. 2 cl, 1 tbl, 7 ex

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RU 2 171 710 C1

Authors

Rabinovich G.L.

Zharkov B.B.

Zaprjagalov Ju.B.

Dates

2001-08-10—Published

2000-05-10—Filed