Process for the production of granular metal-capturing agents fo

Details Process for the production of granular metal-capturing agents fo Process for the production of granular metal-capturing agents fo

1976-03-11

1978-01-10

Garvin, Patrick P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252428, 252430, 252455R, 210 38B, B01J 2116

Patent

active

040678946

ABSTRACT:
Granular metal-capturing agents suitable for treating waste effluents conning heavy metals are obtained by mixing 100 parts by weight of waste clay which has been subjected to a preliminary dry distillation treatment with 25-40 parts by weight of an organic carbonaceous binder agent such as coking coal, granulating 100 parts by weight of this mixture together with 8-15 parts by weight of an organic pelletizing agent such as sulfite pulp waste liquor, and thereafter subjecting the resulting granules to a dry distillation treatment conducted at 450.degree.-900.degree. C.

REFERENCES:
patent: 3396123 (1968-08-01), Urban
patent: 3669889 (1972-06-01), Juzvuk et al.
patent: 3960760 (1976-06-01), Sanga et al.

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