A physicochemical process :
A liquid mixture including ammonia is contacted with air to transfer ammonia from liquid to the gas phase at high temperature and pH Ammonium ions are converted to ammonia gas: ![]() Lime (CaO) or caustic (NaOH) is added to the wastewater until the pH reaches 10.8 to 11.5 Stripped ammonia can be absorbed to an acid Fertilizer production |
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