Removal of arsenic from water

Details Removal of arsenic from water Removal of arsenic from water

C - Chemistry, Metallurgy

02

F

362/59

C02F 1/58 (2006.01) C02F 1/52 (2006.01) C02F 1/28 (2006.01) C02F 1/66 (2006.01)

Patent

CA 1067627

ABSTRACT A process and apparatus for removing arsenic from water intended for drinking purposes in which the water is passed through a bed or column of a porous support material having impregnated thereon a sub- stantially water insoluble ferric compound. Preferably the ferric com- pound is ferric hydroxide, which is produced in situ on the support material, and the treatment is carried out at a pH of 4-8.3. Optimum removal of arsenic occurs at pH 4.4.

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