Hydrogen sulfide removal from reverse osmosis product water

Details Hydrogen sulfide removal from reverse osmosis product water Hydrogen sulfide removal from reverse osmosis product water

1990-12-31

1992-03-17

Hruskoci, Peter

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210652, 210754, 210916, C02F 144

Patent

active

050965891

ABSTRACT:
A method and system for treating water containing hydrogen sulfide. The system includes the demineralizing the water to remove mineral impurities. The demineralized water is then treated with chlorine to convert the hydrogen sulfide in the demineralized water to hydrochloric acid and sulfuric acid while dropping the water's pH level. The water is then neutralized either by using a marble contact bed and/or by the addition of sodium hydroxide. By demineralizing the water prior to adding chlorine, the pH level of the water is lowered when chlorine is added and elemental sulfur is prevented from forming.

REFERENCES:
patent: 3505216 (1970-04-01), Kryzer
patent: 3795609 (1974-03-01), Hill et al.
patent: 4839057 (1989-06-01), White
Waltrip et al., "Elimination of Odor at Six Major Wastewater Treatment Plants", Journal WPCF, vol. 57, No. 10, pp. 1027-1032.
Letter to Dr. Admadi, Department of Environmental Regulation, Lee County, Florida dated Sep. 8, 1989 from Roger A. Blind.

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