Use of acidified copper sulfate in hydrogen sulfide removal

Details Use of acidified copper sulfate in hydrogen sulfide removal Use of acidified copper sulfate in hydrogen sulfide removal

1978-02-06

1979-05-08

Hart, Charles N.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 51, 55 73, C02B 110

Patent

active

041535472

ABSTRACT:
A method of treating well water for purposes of desulfurizing the well water and making it palatable. The water is treated with an excess of acidified copper sulfate or other metal salt and delivered into the top of a treating tank which contains a neutralizing filter means. Copper sulfide is precipitated from the water and removed in the filter tank whereby sulfur-free neutral water is obtained. Any excess copper sulfate is precipitated as copper hydroxide and also removed in the filter. Periodically, the filter tank automatically backwashes itself to remove the copper residues or the filter may be manually backwashed if desired.

REFERENCES:
patent: 1997114 (1935-04-01), Martin
patent: 2091201 (1937-08-01), Hahn
patent: 3142638 (1964-07-01), Blaisdell
patent: 3171802 (1965-03-01), Rice
patent: 3186942 (1965-06-01), Benger
patent: 3350259 (1967-10-01), Herrick
patent: 3491086 (1970-01-01), Harvey
patent: 3649532 (1972-03-01), McLean
patent: 3833464 (1974-09-01), Rolfe
patent: 4049545 (1977-09-01), Horvath

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