Exploration of water-saving technologies in polyvinyl chloride production
The renovation process for recovery of steam condensate water,excess hot water,heat tracing drainage,and device backwash water in the PVC production of China Salt Inner Mongolia Chem-ical Co.,Ltd.was introduced.After renovation,these water was recovered and used to replace primary water or prepare pure water,achieving internal circulation in the system.The water consumption(inclu-ding pure water)decreased from the original 3.5 million t/a to below 2 million t/a in the 400 kt/a PVC production unit.
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