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wastewater sludge

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350095
EISBN: 978-1-62708-315-7
... be reduced to Cr 3+ before neutralizing and precipitation. Sodium pyrosulfite (Na 2 S 2 O 5 ) is usually used as the reducing agent in smaller operations, while for larger plants, sulfur dioxide (SO 2 ) is preferred for economic reasons. Wastewater treatment sludges from chromating operations...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030045
EISBN: 978-1-62708-282-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910363
EISBN: 978-1-62708-250-1