REMOVAL OF SOLUBLE CR(VI) IN CEMENTS BY FERROUS SULPHATE MONOHYDRATE, SOLID LIGNIN AND OTHER MATERIALS
Various reducing agents such as ferrous sulphate heptahydrate (HH) and monohydrate (MH), solid lignin (SL), Na2S2O4, NaHSO3, SnCl2·2H2O, N2H4·H2O and FeS are used to reduce Cr(VI) contents of three types of cements under 2 mg/L, as it is requested by European Parliament Standards. Optimum conversion...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
University of Chemistry and Technology, Prague
2011-03-01
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Series: | Ceramics-Silikáty |
Subjects: | |
Online Access: | http://www.ceramics-silikaty.cz/2011/pdf/2011_01_85.pdf |