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1)  catalytic dewaxing
催化脱蜡
1.
Silanizing-modified zeolite catalyst ZSM-5 for catalytic dewaxing
硅烷化改性ZSM-5分子筛用于催化脱蜡催化剂
2.
The solvent dewaxing and catalytic dewaxing technologies were discussed with emphasis,future prospects of development of base oil dewaxing were presented,the progress direction of base oil dewaxing was summed up.
介绍了国内外润滑油矿物基础油脱蜡的主要生产工艺,重点讨论了溶剂脱蜡和催化脱蜡技术,对基础油脱蜡的发展进行展望,提出了我国基础油脱蜡的开发方向。
3.
The latest advancement and commercial applications of catalytic dewaxing, isodewaxing, MDDW and wax isomerization as well as the combined processes were reviewed inside and outside China.
论述了润滑油脱蜡的意义,综述了国内外催化脱蜡、异构脱蜡、临氢降凝、蜡异构化及组合工艺的最新发展和工业应用情况,提出了发展我国加氢脱蜡技术的建议。
2)  catalytic hydro-dewaxing technique
加氢脱蜡催化技术
3)  winterisation
冬化脱蜡
4)  Distillates,petroleum,catalytic dewaxed middle
催化脱蜡的石油中间馏分油
5)  wax-producing catalyst
制蜡催化剂
6)  catalytic dehydration
催化脱水
1.
The catalytic dehydration of ethanol to ethylene on a γ-Al2O3 catalyst in a fixed bed reactor has been studied.
考察了低浓度乙醇在固定床管式反应器中活性氧化铝上催化脱水生成乙烯的反应行为。
2.
Lemonile was obtained by the catalytic dehydration of citraloxime under KOH-Al 2O 3 carrier -base.
从柠檬醛与盐酸羟胺反应制备柠檬肟,后者在110~112℃温度下经KOH-Al2O3催化脱水生成柠檬腈,柠檬腈的合成产率为68%。
3.
Catalytic dehydration in the condensation of acetone-mannitol is investigated with several cation-exchanging resins of strong acid type as the catalysts.
探讨了若干种强酸性阳离子交换树脂在丙酮与甘露醇缩合反应中的催化脱水作用;根据反应原理,从结构上分析了催化剂对不同缩合产物的影响;初步讨论了反应温度及催化剂用量对催化效果的影响。
补充资料:催化脱蜡
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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