SELENIUM ABSORBER, MANUFACTURING METHOD THEREFOR, PROCESSING METHOD OF SELENIUM USING THE ABSORBER

摘要

PROBLEM TO BE SOLVED: To provide a selenium absorber having excellent selenium processing performance capable of absorbing hexavalent selenium as hexavalent without reducing the same compared to conventional selenium absorbers and a manufacturing method therefor, and a selenium absorbing method using the selenium absorber.;SOLUTION: The selenium absorber contains iron (Fe) and magnesium (Mg) derived from iron (Fe) and magnesium (Mg)-containing solution with pH of 9.5 to 10.5 as essential constituent elements and having molar ratio of Mg/Fe of over 0.2 and 59 or less, preferably 0.5 to 59.;SELECTED DRAWING: Figure 2;COPYRIGHT: (C)2018,JPO&INPIT