Clean production processes developed by Dow Chemical Company, DuPont Company and BASF Company are introduced briefly. The situation of domestic clean production of PVC is also introduced.
简要介绍了美国的道化学 公司、 杜邦 公司 ，德国的巴斯夫 公司开发的PVC清洁生产工艺技术 ，同时也介绍了我国开展PVC清洁生产的情况。
This paper introduced 4 kinds of modified FCC processes for production of clean gasoline, and compared productivity distribution and property of gasoline with traditional FCC process.
介绍了生产清洁汽油的4种催化裂化新工艺，并与催化裂化工艺在产率分布及汽油性质方面进行了对比。
Based on problems present in current smelting processes at Pangang, the technical measures which should be taken for clean steel production were put forward.
根据攀钢目前冶炼工艺存在的问题，提出了生产洁净钢应该采取的技术措施。
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