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IN277139: An improved process for the production of sodium chromate from stainless steel dust

The invention relates to an improved process for the production of sodium chromate from stainless steel dust. This invention is particularly relates to an improved soda ash roasting process by the use of chromium containing waste. This process will be useful for production of high purity sodium chromate used for chemical and leather industry.
Filing Date:
22-03-2010
Issue Date:
11-11-2016
Applicant:
CSIR-National Metallurgical Laboratory (CSIR-NML), Jamshedpur
Patent No:
IN277139
Application No:
673/DEL/2010
Inventor(s):
Sanjay Prasad
IPC Classification:
C01G37/14
Country:
India
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