2008•Chlor-alkali IndustryRequires access
Summary on the technical innovation of hydrochloric acid production process
Huang Jing-ping
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Abstract
The process innovation of absorbing hydrochloric acid was introduced.The waste water absorbing tail gas was circulated in a closed loop and used as absorbent of hydrochloric acid,then the direct discharge of waste water was eliminated and a large amount of water was saved.The water-dipped graphite tubes was substituted for the air cooled tube for hydrogen chloride gas,then the output of hydrochloric acid was increased and no yellow condensated acid formed.