asphaltenes相关论文
Asphaltenes,complex aromatic compounds from various carbonaceous sources,could be obtained by solvent dissolution,filtra......
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Asphaltene aggregation studied by molecular dynamics simulations: role of the molecular architecture
Asphaltene aggregation is a subject under vivid discussion:There are several parameters one needs to determine before it......
In well stimulation treatments using hydrochloric acid,undesirable water-in-oil emulsion and acid sludge may produce and......
A DFT and TD-DFT study on electronic structures and UV-spectra properties of octaethyl-porphyrin wit
In this work,the octaethyl-porphyrins with different central metals (M-OEP,M =Ni,VO,Cu,Co) were used to investigate the ......
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Investigation of structural parameters and self-aggregation of Algerian asphaltenes in organic solve
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Synthesis and self-association of dibenzothiophene derivatives for simulation of hydrogen bonding in
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Thermal evolution of aliphatic and aromatic moieties of asphaltenes from coals of different rank: po
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The dissolution of petroleum asphaltenes with ionic liquids is studied for the first time. The results show that the ion......
介绍了溶剂脱沥青技术在现代炼油实践中的发展趋势。作者介绍了俄罗斯和中国的超临界溶剂脱沥青技术在工业上的节能应用,并讨论了......
柯坪隆起区是塔里木盆地海相烃源岩露头发育较好的地区之一,但相关的油气研究报道不多。本文详细研究了塔里木盆地柯坪隆起区油苗的......
为了研究渣油加氢反应过程中沥青质微观结构的动态变化,以克拉玛依常压渣油为原料油,进行了不同反应时间的浆态床加氢裂化反应,分......
以紫外吸收光谱理论为基础,通过剖析胜利渣油中胶质、沥青质的紫外吸收光谱及其二阶导数光谱,并与模型化合物的紫外吸收特征相比较......
用原油沥青质的地球化学研究结果分析油气藏形成条件,前提是油藏沥青质分子结构不因后期天然气或凝析油的再次充注而变化.在塔里木......
研究证实石油溶液是一种胶体分散体系,石油的加工行为也与其胶体化学特性密切相关,深入了解石油溶液的胶体性质对整个石油工业,从......
A pentane-insoluble mixture of asphaltenes was processed by thermal hydrocracking and catalytic hydrocracking over Ni-Mo......
有离子的液体的石油沥青质的溶解第一次被学习。结果证明离子的液体能被用作新奇溶剂 forasphaltenes.The 为沥青质的溶解管理离子......
探讨用紫外分光光度计快速测定经Al2O3吸附色谱柱分离后的含油污水中胶质、沥青质含量的方法,并且用国内外分析原油及渣油时所通用的四组......
用表面张力法研究了中东常压渣油热反应过程中正庚烷沥青质缔合性的变化.测定沥青质的不同浓度甲苯溶液的表面张力,利用溶液的临界......
针对沥青砂的重组分,探讨了催化氧化沥青砂降解反应体系有机相和残余相中有机物的量随反应时间、催化剂及氧化降解体系的变化规律.......
采用X射线近边结构谱(XANES)研究沥青质中硫的存在形态,针对沥青质的未知复杂混合体系特性,采用高阶导数谱图分析方法,提高XANES的分......
以委内瑞拉减压渣油为原料,采用微型反应釜,研究了其在410℃、2.0 MPa氮气初压下,不同反应停留时间的热改质过程生成油的化学结构......
采用IR、NMR、XPS等分析手段及钌离子催化氧化(RICO)法,考察了不同加氢反应温度下渣油沥青质组成和结构的变化。结果表明,随着加氢反......
Asphaltenes, complex aromatic compounds from various carbonaceous sources, could be obtained by solvent dissolution, fil......
运用量子力学、分子动力学等方法,研究沥青质分子聚集体形成过程的分子构型变化、能量变化以及电子分布情况。结果表明:沥青质分子......
Precipitation of Heavy Organics (Asphaltenes) from Crude Oil Residue Using Binary Mixtures of n-Alka
Two solvent mixtures: n-pentane/n-hexane and n-heptane/n-octane at ten different percentage ratios were used to dissolve......
塔河原油是典型的重质原油,密度大,粘度高,重金属Ni和V的含量多。本文采用四组分分析法、沥青质分离法、溶剂萃取法以及柱色谱分离......
A DFT and TD-DFT study on electronic structures and UV-spectra properties of octaethyl-porphyrin wit
In this work,the octaethyl-porphyrins with different central metals(M-OEP,M=Ni,VO,Cu,Co)were used to investigate the gro......