1) deasphalting
[di:'æsfæltiŋ]
脱沥青的
2) deoiled asphalt
脱油沥青
1.
Solvothermal synthesis of cabon-encapsulated metal nanoparticles from deoiled asphalt
脱油沥青溶剂热合成碳包覆纳米金属颗粒
2.
The visbreaking reaction for the feedstock of deoiled asphalt from butane deasphalting unit (BDOA) blended with full distillation range FCC slurry (FDRFS) or the light FCC decanted oil of IBP-460℃(LFS) distillation range were investigated in an autoclave.
在高压釜中对丁烷脱油沥青掺炼全馏分催化裂化油浆和馏程小于460℃的催化裂化轻质油浆的减粘裂化过程进行了研究。
3.
Deoiled asphalt was chosen as the carbon source and FeCl3 as the catalyst,to prepare vapor-grown carbon fibers(VGCFs)with different morphologies,by chemical vapor deposition,in an atmosphere of argon and hydrogen.
以脱油沥青(DOA)为碳源,氯化铁为催化剂,在氩气和氢气的混合气氛下利用化学气相沉积法(CVD)制备了不同形貌的气相生长炭纤维(VGCFs)。
3) deasphalted oil
脱沥青油
1.
Evaluation and utilization optimization of a deasphalted oil hydroisomerization products based on carbon number distribution and hydrocarbon type analysis;
基于碳数分布和族组成分析的脱沥青油加氢异构反应产物分析及优化利用
2.
The experimental results show that the conversion of vacuum gas oil(VGO), deasphalted oil(DAO), atmospheric resid(AR), mixed oil and topped light slurry are 74.
结果表明:在完全相同的催化剂和操作条件下,减压蜡油、脱沥青油、常压重油、混合原料和拔头轻油浆的转化率分别为74。
3.
This paper introduced the problems after SPC transformed the diesel hydrogenation plant into deasphalted oil hydrogenation plant, analyzed the causes of them, and put forward the solution through process transformation and modification of processing parameters.
文章介绍了中国石化上海石油化工股份有限公司在对柴油加氢装置改造为脱沥青油加氢后产生的问题,分析了问题产生的原因,并通过流程改造和工艺参数修改使问题得到解决。
4) de-oiled asphalt
脱油沥青
1.
Carbon-encapsulated nickel nano onions have been successfully prepared from de-oiled asphalt (DOA) by heat-treatment at 2000℃with nickel powder as catalyst.
以脱油沥青(Deoiled Asphalt)作原料,用热处理法制备了内包金属镍的纳米碳洋葱。
2.
The new visbreaking process with de-oiled asphalt feedstock is discussed.
论述了以脱油沥青为原料的减粘裂化新工艺。
5) Propane deasphalted asphalt
丙脱沥青
6) deasphalting
[di:'æsfæltiŋ]
脱沥青
1.
Advances in pavement asphalt produced by solvent deasphalting;
溶剂脱沥青生产道路沥青技术进展
2.
Deasphalting Technology with C_4 Solvent and Its Application;
C_4溶剂脱沥青技术及其应用
3.
The study on using deasphalting oil from Gudao VRDS residue to manufacture the high-viscosity lubricating base oils shows that high-viscosity lubricating base oils with high-yield and fine-property can be obtained from Gudao VRDS residue by adopting methodology of solvent deasphalting—solvent dewaxing—clay treating without solvent refining.
通过对孤岛VRDS渣油脱沥青油制取重质润滑油基础油工艺路线对比研究发现 ,孤岛VRDS渣油采用溶剂脱沥青—溶剂脱蜡—白土处理工艺能够生产出高收率、性能好的重质润滑油基础油 ,可以省去溶剂精制工艺 ,并且能得到合格的提纯地蜡。
补充资料：丙烷脱沥青
分子式：
CAS号：
性质：以丙烷为溶剂对减压渣油中不同组分进行选择性溶解的脱沥青过程。丙烷对非理想组分溶解性很小，经抽提后，可得残炭和重金属含量低很多、硫和氮有所降低的脱沥青油。丙烷脱沥青一般操作压力为3.5～4.0MPa。在一定温度下溶剂比对脱沥青油的收率和质量有一定影响。操作温度对丙烷的溶解能力影响最大。当温度超过40℃时，溶解能力随温度升高而下降；当达到丙烷的临界温度时，基本上失去对烃类的溶解能力。
CAS号：
性质：以丙烷为溶剂对减压渣油中不同组分进行选择性溶解的脱沥青过程。丙烷对非理想组分溶解性很小，经抽提后，可得残炭和重金属含量低很多、硫和氮有所降低的脱沥青油。丙烷脱沥青一般操作压力为3.5～4.0MPa。在一定温度下溶剂比对脱沥青油的收率和质量有一定影响。操作温度对丙烷的溶解能力影响最大。当温度超过40℃时，溶解能力随温度升高而下降；当达到丙烷的临界温度时，基本上失去对烃类的溶解能力。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条