The development on the process for the recycling of waste liquid coming from the purification of acetylene was introduced as well as its application situation.
2
介绍了在电石法PVC生产中利用新技术与新工艺改造传统技术和设备的情况。
The new technology and new process instead of traditional technology and equipment in PVC production by calcium carbide method were introduced.
3
在电石法pvc生产装置精馏工序和压缩冷凝回收工序排放的尾气中含有VCM。
In the production of PVC by calcium carbide method, tail gas contained VCM could be released from the rectifying process and compression-type condensation recovery process.