文中阐述了几种气相法生产聚乙烯装置的技术指标、公用工程消耗和综合能耗；
The technical specification comparison, utilities consumption and comprehensive energy consumption are described in this article;
介绍了国内外苯酚生产的几种主要工艺技术，并对这几种主要工艺技术路线的特点、原料和公用工程的消耗进行了对比和分析。
Several phenol production technologies of both domestic and foreign countries are described. Comparison and analysis on characteristics, feedstocks and utilities of these processes are presented.
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