Selenium removal methods

Details Selenium removal methods Selenium removal methods

1994-01-25

2000-07-18

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210681, 210719, 210737, 210912, C02F 154, C02F 170

Patent

active

060902906

ABSTRACT:
A method for removing selenium from waste water is disclosed comprising reducing selenium oxide with carbohydrazide in a solution comprised of the selenium oxide to form elemental selenium.

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Wiltsey, "Carbohydrazide As A Hydrazine Replacement--Improved Feedwater Quality With Life Extension Benefits," Paper Presented At The Missouri Valley Electric Association Engineering Conference, Apr. 30, 1986.
Nalco Chemical Company, "Questions and Answers, ELIMIN-OX.RTM., Total System Protection," Bulletin 23 (1992).

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