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- With the new technology of preparation of 2,6-dichlorophenol by direct chlorination from phenol, the production cost was reduced by a big margin. 介绍了以苯酚为原料直接氯化制备2,6-二氯苯酚的新工艺,与传统方法相比,新工艺的产品生产成本大幅降低新工艺收率达81%25,旧工艺收率在60%25左右
- Effects from high-temperature and low-temperature direct chlorination on refining,energy saving and economics of ethylene chloride in chloroethylene production revamping are analyzed. 分析了高温、低温直接氯化技术对氯乙烯改造中二氯乙烷的精制、节能、技术经济等方面的影响。
- The contents of Trihalogenmathane (THM) and organic chlorine compounds (AOC1) formed after chlorination have been reduced by 40-50% and 45%, respectively, compared with the chlorination after flocculation with direct chlorination. 经絮凝后氯化饮水所形成的三卤甲烷(THM)和有机氯化物量(AOCL)分别比未经絮凝直接氯化的情况降低40-50%25和45%25。
- Technical innovation of VCM direct chlorination unit VCM直接氯化扩能技术改造
- Keywords ethylene;direct chlorination;dichloroethane;development; 乙烯;直接氯化;二氯乙烷;进展;
- Keywords direct chlorination;chloroethylene;revamping;refining; 直接氯化;氯乙烯;改造;精制;
- To effectively enhance the contraposition selectivity of chlorinating reaction the p-chlorotoluene was prepared by direct chlorination of toluene and chlorine gas in the presence of zeolite catalyst. 为了有效提高甲苯氯化反应的对位选择性,研究了在分子筛催化作用下甲苯与氯气直接氯化制取对氯甲苯。
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- I'll book you on a direct flight to London. 我将为你预订直飞伦敦的航班。
- He has chosen the most direct route. 他选取了最直的路线。
- She's very direct, believes in speaking her mind. 她为人直率，喜欢有什么说什么。
- Can you direct me to the shoe department? 请告诉我卖鞋部在哪里。
- Be there a direct train for Beijing to Nanning? 从北京到南宁有直达车吗？
- See that direct heat does not play on it. 当心别让它直接受热。
- It's a long way by road the train is more direct. 走公路很远--乘火车近。
- Would you please direct me to the zoo? 请问去动物园怎么走?
- My eyes were blinded by the direct rays of light. 在光线的直射下，我看不清楚东西。
- Her opinions are the direct opposite of mine. 她的意见与我的截然相反。
- She is in direct contact with the general manager. 她与总经理直接联系。
- I'm in direct contact with the hijackers. 机者保持著直接的联系。
