Deadline: 2020-04-16 Award: INR 8,00,000 Open to: Everyone*
The cost of recovering sodium in the form of NaOH (from NaCl present in the spent acid solution) is very expensive. Owing to the cost associated with the higher requirements of chemicals, and the energy-intensive process of regenerating the reagents from the spent solution by dewatering, chemical beneficiation methods have not been employed widely on a commercial scale. Economic regeneration of spent alkali and acids can reduce the cost of chemicals in the cleaning method.
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