Compositions: coating or plastic – Coating or plastic compositions – Bituminous material or tarry residue
Patent
1980-12-23
1982-12-21
Kight, III, John
Compositions: coating or plastic
Coating or plastic compositions
Bituminous material or tarry residue
423 34, 423 37, 423 43, C08L 9500
Patent
active
043647731
ABSTRACT:
A process is provided by which dissolved metals may be recovered from aqueous waste solutions and converted to a particulate material, which may in turn be used as a filler for products such as asphalt. The process involves effecting reaction in the solution to produce a sludge comprised of metal hydroxides and sulfides, and admixing lime with a concentrate thereof to ultimately produce the filler.
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Marino Thomas
Veronneau Marcel
Kight III John
Yarbrough Amelia B.
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