Ngwakọta ikuku gas na-ekpochapụ na ngwa Denitrification
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Desulphurization uzuzu
Desulfurization bụ nkà na ụzụ iji chịkwaa ikuku sulfur dioxide.Onye na-ewepụ uzuzu enweghị ike iwepu sọlfọ dioxide na gas flue, kamakwa mepụta ngwaahịa fatịlaịza amonia sulfate bara uru.