C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
148/37.1
C21D 1/607 (2006.01)
Patent
CA 1207641
RECOVERY AND RECYCLE OF NITRATE AND NITRITE SALTS FROM CHLORIDE CONTAINING QUENCH BATH SOLIDS Abstract A method is provided for the recovery and recycle of nitrate and nitrite salts present in environmentally hazardous chloride containing quench bath solids, com- prising the steps of leaching the solids with hot water o provide an aqueous leachate that depletes the hot water soluble content of the solids, clearing the re- sulting aqueous leachate of solids, and recycling it while hot into a fused quench bath.
426868
Park Chemical Company
Ridout & Maybee Llp
LandOfFree
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