Low ash pelleted carbon and process of preparation

Details Low ash pelleted carbon and process of preparation Low ash pelleted carbon and process of preparation

Filed on

1980-12-22

Date issued

1985-07-30

Examiner

Konopka, P. E.

Patent Class

Catalyst, solid sorbent, or support therefor: product or process

SubClass

Catalyst or precursor therefor

SubSubClass

Inorganic carbon containing

Other Related Categories

423445, 423460, 423461, 502181, 502185, 502416, 585269, B01J 2118, B01J 2340, C01B 3102, C01B 3108

Type

Patent

Status

active

Patent number

045322279

Description

ABSTRACT:
Low ash pelleted carbon is prepared by contacting pelleted carbon first with hydrochloric acid followed by leaching with hydrofluoric acid.

REFERENCES:
patent: 1502896 (1924-07-01), Barneby
patent: 1803943 (1931-05-01), Miller
patent: 3501272 (1970-03-01), Benak
patent: 3736265 (1973-05-01), Suggitt
patent: 3737460 (1973-06-01), Suggitt
patent: 4066699 (1978-01-01), Suggitt et al.
patent: 4225463 (1980-09-01), Unger et al.

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Also associated with

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