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- The content of C_5 was strictly limited in butadiene extraction unit using dimethylformamide(DMF) process. 二甲基甲酰胺法丁二烯抽提装置对裂解原料中C_5含量有严格要求。
- This article discussed how to prevent polymerizing in butadiene extraction process. 该文对丁二烯抽提工艺中防爆聚的问题进行了探讨。
- Toxicity of DMF, which is a solvent in the butadiene extraction process, was introduced. Its principal preventive measures were described also. 分绍了丁二烯抽提工艺溶剂DMF的毒性及其主要预防措施。
- The progress of technological remoulding of butadiene extraction with dimethyl formamide(DMF)as solvent by GPB method in Beijing Yanshan Petrochemical Corporation was reviewed. 综述了北京燕山石油化工公司对引进的以二甲基甲酰胺（DMF）为溶剂的GPB丁二烯抽提技术的改造情况。
- The result shows, the N-Methyl pyrrolidone process has a significant comprehensive advantage, and this technology is recommended for the to-be-built butadiene extraction plant. 结果表明,N-甲基吡咯烷酮工艺技术的综合优势更为明显,推荐新建丁二烯抽提装置采用该技术。
- You once mentioned in our last discussion that it was possible to provide raffinate C4 for Butadiene extraction unit except providing current feed containing 85% butadiene. 上次交流中，你们曾经提到，除了可以提供现在的85%25异丁烯含量的原料外，还有可能提供丁二烯抽提装置的抽余碳四。
- The reasons of local liquid leakage and difficulty in overhauling of the dead trays in rectifying tower kettle for butadiene extraction were analyzed and the coupling and sealing structure of dead trays were redesigned. 摘要分析了造成丁二烯萃取精馏塔塔釜死塔盘局部漏液和检修拆装困难的主要原因，重新设计出由卡板、螺栓和聚四氟乙烯混编盘根组成的死塔盘的联接与密封结构。
- BD both domestic and overseas has been increasing yearly, it is very important to have comparative analysis of the butadiene extraction technology and to conduct the research on energy saving. 的需求量都逐年增长这一事实,进行丁二烯抽提工艺的对比分析和节能优化研究具有重要的现实意义。
- It was analyzed and discussed the influence factors of the butadiene extractive distillation column in the unit of extract butadiene from C4 fraction.And point out the design cruces of this column. 对C4抽提丁二烯装置中丁二烯萃取精馏塔的影响因素进行了分析和讨论,并提出了其设计要点。
- The Soft Sensor Technique and Its Application to A Butadiene Extraction Tower 软测量技术及其在某装置萃取塔中的应用
- Operation Condition Optimization of Butadiene Extraction Distillation Column 丁二烯第一萃取精馏塔操作参数的优化
- Causes analysis of producing of polymers in butadiene extraction plant and its measures 丁二烯萃取装置聚合物产生原因分析及对策
- Safety assessment for an extended service of butadiene extraction and rectification tower 丁二烯萃取精馏塔超期服役安全评定
- Evaluation of corrosion defect degree in butadiene extraction rectification column 丁二烯萃取精馏塔腐蚀缺陷程度评价
- Keywords butadiene extraction unit;revamp;process design;acetonitrile process;extraction distillation;ADV float valve tray;polymerization retarder; 抽提丁二烯装置;技术改造;工艺设计;乙腈法;萃取蒸馏;ADV浮阀塔盘;阻聚剂;
- Such an extract in a solution of alcohol. 酒精提取物酒精溶液中的提取物
- He tried to extract his pole from the mud. 他试图用力将杆子从泥中拔出来。
- Emulsion polymerized styrene butadiene rubber. 丁二烯、苯乙烯在乳液体系中进行共聚制得的橡胶。
- Butadiene vinyl pyridine rubber latex. 丁二烯、乙烯基吡啶经乳液共聚制得的胶乳。
- The refuse of sugar cane after extraction of the juice. 甘蔗渣在汁液被榨完以后剩下的甘蔗废料
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