Selenium adsorption process

Details Selenium adsorption process Selenium adsorption process

1989-08-22

1990-11-20

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210912, C02F 128

Patent

active

049717022

ABSTRACT:
Selenium can be removed from wastewater by contacting the wastewater with an adsorbent which is fly ash, peat moss, or a mixture thereof. The treated wastewater can then be discharged to the ground, and the spent adsorbent can be used as landfill or to enrich soils which are depleted in selenium.

REFERENCES:
patent: 3970553 (1976-07-01), Terajima et al.
patent: 4096064 (1978-06-01), du Fresne
patent: 4116705 (1978-09-01), Chappell
patent: 4405464 (1983-09-01), Baldwin et al.
patent: 4519913 (1985-05-01), Baldwin et al.
patent: 4530765 (1985-07-01), Sabherwal
patent: 4725357 (1988-02-01), Downing et al.
patent: 4790945 (1988-12-01), Baker
patent: 4792405 (1988-12-01), Baker
patent: 4839052 (1989-06-01), Maree

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