Process for the chemical bonding of heavy metals from sludge in

Details Process for the chemical bonding of heavy metals from sludge in Process for the chemical bonding of heavy metals from sludge in

1988-04-27

1989-11-21

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210751, B01D 1500, C02F 128

Patent

active

048820679

ABSTRACT:
The present invention relates to a process for removing contaminants, particularly heavy metal cations from industrial sludge and other industrial materials. The process comprises mixing the industrial wastes with specific fine clay or shale particles to form pellets which are heated at high temperature to form a nonhazardous sintered product. The product is then utilized in the manufacture of bricks, cinder blocks and other building materials and surfaces.

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