How to produce sulfuric acid from waste dilute sulfuric acid
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How to produce sulfuric acid an from 20–30% waste dilute sulfuric acid? Is it ammonia water or liquid ammonia? What equipment is needed? What are the key points of control? I hope some knowledgeable sea friends can give me some information.
Liquid ammonia – but 1 ton of liquid ammonia still constitutes a significant hazard
Using liquid ammonia is costly; in comparison, concentrated ammonia has a lower cost. Ammonia water is less expensive to use, but the cost of concentration is high. The choice between these methods depends on the local resources available. The main equipment required includes neutralization reactors and concentration evaporation tanks