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This book provides a comprehensive description of alkaline
hydrometallurgy of amphoteric metal hazardous wastes. Topics focus
on leaching of zinc and lead hazardous wastes, purification of
leach solution of zinc and lead, electrowinning of zinc and lead
from purified alkaline solutions, chemical reactions taking place
in the production flowsheets, thermodynamic and spent electrolyte
regeneration, alkaline hydrometallurgy of low-grade smithsonite
ores, recovery of molybdenum and tungsten using ion flotation and
solvent extraction processes and their application in chemical
synthesis of Nb and Ta inorganic compounds, and industrial scale
production of 1500-2000 t/a zinc powder using alkaline
leaching-electrowinning processes. Processes described are
cost-effective, generate lesser secondary pollutants, and have been
applied widely in China. Readers that will find the book appealing
include solid waste engineers, environmental managers, technicians,
recycling coordinators, government officials, undergraduates and
graduate students, and researchers.
This book provides a comprehensive description of alkaline
hydrometallurgy of amphoteric metal hazardous wastes. Topics focus
on leaching of zinc and lead hazardous wastes, purification of
leach solution of zinc and lead, electrowinning of zinc and lead
from purified alkaline solutions, chemical reactions taking place
in the production flowsheets, thermodynamic and spent electrolyte
regeneration, alkaline hydrometallurgy of low-grade smithsonite
ores, recovery of molybdenum and tungsten using ion flotation and
solvent extraction processes and their application in chemical
synthesis of Nb and Ta inorganic compounds, and industrial scale
production of 1500-2000 t/a zinc powder using alkaline
leaching-electrowinning processes. Processes described are
cost-effective, generate lesser secondary pollutants, and have been
applied widely in China. Readers that will find the book appealing
include solid waste engineers, environmental managers, technicians,
recycling coordinators, government officials, undergraduates and
graduate students, and researchers.
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