Process for removing chromate from solution

Details Process for removing chromate from solution Process for removing chromate from solution

1981-12-23

1984-11-06

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

210684, C25G 126

Patent

active

044810873

ABSTRACT:
A process for removing dissolved chromium from a solution wherein said chromium is in the anion form which comprises contacting said solution with an adsorbent, comprising a hydrous oxide of iron at conditions whereby said chromium is adsorbed on said hydrous oxide, and wherein said hydrous oxide of iron is a granular, porous, high surface area, substantially non-crystalline, black material.

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patent: 3835001 (1974-09-01), O'Brien
patent: 3835042 (1974-09-01), Lalacentie et al.
patent: 3885018 (1975-05-01), Smith
patent: 3903237 (1975-09-01), Smith et al.
patent: 4049772 (1977-09-01), Shunsuke et al.
patent: 4145281 (1979-03-01), Weishaar et al.
Surface Ionization and Complexation at the Oxide/Water Interface, J. of Colloid & Interface Sc., vol. 67, No. 1, Oct. 15, 1978, pp. 90-107.
Surface Ionization and Complexation at the Oxide/Water Interface J. of Colloid & Interface Sc., vol. 74, No. 1, Mar. 1980, pp. 32-42.

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