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1)  hydrogenation pipe
临氢管道
1.
The hydrogenation pipe would weld crack after running for some time as high temperature and high pressure, and the phenomenon was rare.
高温高压临氢管道运行一段时间发现多道焊缝裂纹,较为罕见。
2)  resisting hydrogen
临氢
1.
The article introduced the technical requirements and the production technology of the heavy 12Cr2Mo1R steel plate resisting hydrogen manufactured by wuyang Iron and steel.
本文介绍了舞钢试制生产大厚度临氢12Cr2Mo1R(H)钢的技术要求、生产工艺。
3)  ChangWuLin gas pipeline
长乌临输气管道
4)  hydrogenated refining of diesel oil
柴油加氢管道
5)  hydroisomerization
临氢异构
1.
The Improvement of Pt/SAPO-11 Hydroisomerization Catalysts;
Pt/SAPO-11临氢异构催化剂的改进
2.
It was shown that reaction temperature has the greatest impact on the hydroisomerization of n-tetr.
获得了正十四烷临氢异构的最佳条件为300℃~330℃,0。
3.
The present problems for Ca utilization are separation of single component and removal of residual butadiene in C_4 streams,n-Butene hydroisomerization technology takes advantages of reaction reversibility,low temperature,selective hydrogenation of butadiene and easily to combine with catalytic distillation,which is the spot of recent interest.
分析了不同来源的碳四的组成及国内外碳四资源的利用情况,指出单组分分离、去除丁二烯是碳四综合利用的难点;介绍了正丁烯临氢异构技术具有反应可逆、反应温度低、可同时进行选择加氢除丁二烯及易与精馏技术配套的优势;综述了国内外与催化精馏技术相结合的临氢异构技术在裂解碳四和炼厂碳四利用中的应用进展,包括最大化生产1-丁烯、生产1-丁烯/2-丁烯、生产高纯度异丁烯及利用碳四烯烃的组合工艺等。
6)  without hydrogen
非临氢
1.
The isomerization of n-hexane was investigated in micro-chromatographic combination unit without hydrogen under atmospheric pressure.
以正己烷为原料,采用CGG-Ⅱ催化剂,在WFD-3030微型反应器中进行异构化反应,考察在非临氢常压条件下,空速、温度等反应条件对正己烷异构化反应的影响。
2.
At normal pressure and without hydrogen, the effects of temperature and space velocity on the dropping pour point of the raw materials were studied.
研制了降凝催化剂FC-DB,在常压非临氢条件下以抚顺石油二厂催化裂化柴油和辽化加氢裂化尾油为原料,考察了温度、空速对降凝效果的影响。
补充资料:临氢降凝
分子式:
CAS号:

性质:又称催化脱蜡。在有催化剂存在、临氢状态下,裂化油品中的正构烷烃,以降低油品凝点的工艺。主要用于生产低凝柴油。使用择形分子筛催化剂(如ZSM-5),可使高疑点含蜡油转化为低疑点轻柴油。该工艺氢耗小(0.5%)、氢压低(4.5MPa),在加氢的各种工艺中属于投资较低的。

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