• 以重质洗油为原料,二甲苯为溶剂精制工业芴。

    The technical fluorene has been refined from the heavy wash oil with xylene.

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  • 在溶剂精制过程中不被选择性溶剂溶解和脱除的那部分油。

    In solvent refining practice, that portion of the oil which remains undissolved and is not removed by the selective solvent.

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  • 焦化蜡油经溶剂精制后,饱和烃含量提高10个百分点左右,氮含量明显降低。

    Saturated hydrocarbons content of CGO been increased by about 10 percent points and the nitrogen content decreased significantly after solvent refining.

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  • 考察了FH- 98催化剂对酸性溶剂精制后的FCC柴油低压加氢精制的影响。

    The effect of low pressure hydrogenation refining with FH-98 catalyst on FCC diesel oil after refining by acid solvent was examined.

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  • 以重质洗油为原料,二甲苯为溶剂精制工业芴。试验选出最佳的工艺路线与操作条件。

    The technical fluorene has been refined from the heavy wash oil with xylene. The optimum technological process and operation conditions are selected by the experiments.

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  • 比较了溶剂精制油、加氢油和合成油所调制的轿车用发动机油(PCMO)各项性能。

    The various performances of PCMO formulated from solvent refined oil, hydrogenated base oil and PAO were compared.

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  • 它通过减压渣油脱沥青、溶剂精制、溶剂脱蜡脱油、精制、成型、包装等工艺过程制备而成。

    Its manufacture process includes the deasphalting of the vacuum-pressure residual oil, solvent refining, solvent-dewax, refining, shaping and packing.

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  • 通过实验证明,KT液溶剂精制工艺能生产出橡胶用油,其副产物抽余油可作为催化裂化原料。

    Tests show that rubber oil can be obtained with KT solvent refining, and the by-product can be used as catalytic cracking stock.

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  • 研究了溶聚丁苯橡胶(s - SBR)装置湿溶剂精制塔的精制效果与不同因素之间的关系。

    The relation between different factors and refining effects of moisture solvent refining column on S-SBR unit was investigated in this paper.

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  • 为合理利用焦化蜡油,洛阳石化工程公司炼制研究所开发了焦化蜡油溶剂精制加氢裂化组合工艺。

    An integration technology of solvent extraction succeeded by hydrocracking for processing coker gatch was developed by Refining Research Institute of Luoyang Petrochemical Engineering Company.

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  • 分析了采用碱精制、加氢精制、中压加氢改质和溶剂精制等技术对催化裂化劣质柴油改质的利弊及其效果。

    Pros and cons as well as the effect of upgrading inferior FCC gas oils by caustic treating, hydrotreating, middle pressure hydro-upgrading and solvent refining etc.

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  • 分析了采用碱精制、加氢精制、中压加氢改质和溶剂精制等技术对催化裂化劣质柴油改质的利弊及其效果。

    Pros and cons as well as the effect of upgrading inferior FCC gas oils by caustic treating, hydrotreating, middle pressure hydro-upgrading and solvent refining etc. were analyzed.

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  • 通过实验证明,糠醛精制和KT液溶剂精制两种工艺均能生产橡胶用油,其副产物抽余油可作为催化裂化原料。

    Tests show that rubber oil can be obtained with both furfural refining and KT liquid solvent refining, and the by-product can be used as catalytic cracking stock.

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  • 各种溶剂油馏分一般都需要经过精制加工。

    Various solvent naphtha fraction generally have to go through refining.

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  • 相比目前使用的水或甲醇溶剂纯化收率30%,发现以丙酮、乙酸、水的溶剂体系,精制更昔洛韦收率可显著提高到83.3%,高效液相色谱(HPLC)分析,产品纯度达到99.0%以上。

    Ganciclovir could be purified to more than 99.0%(HPLC) by a combination of acetone, acetic acid and water in 83.3% recovery as compared with 30% one when using water or methanol as solvent.

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  • 采用乳化结晶法,研究了粗蒽精制过程中溶剂、温度、助剂及分离时间的作用。

    The effects of solvent, temperature, additive and separation time on the refinement process of crude anthracene by using emulsion-crystallization were reported.

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  • 采用无溶剂法合成表面活性剂——棕榈酸葡甘聚糖酯(PKGM),并选择无毒复合溶剂进行分离、精制。

    In the paper, surfactant palmitoylated konjac glucomannan(PKGM) was synthesized by solventless method and refined by non-toxic compounded solvent.

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  • 考察了精制溶剂组成、剂油比、精制温度、反应时间及静置时间对脱碱氮的影响。

    The influences of different composition of refined solvent, ratio of reagent to oil, temperature and time of extraction, time of setting on removal of basic nitrogen compounds were studied.

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  • 采用溶剂萃取和吸附精制的方法对山城紫苕中的天然色素进行提取和分离。

    The natural pigments from purple potato of Shancheng were extracted and analysed by solvent extraction and adsorption.

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  • 方法首先用溶剂萃取结合大孔吸附树脂分离,然后用硅胶柱精制提取。

    Methods Silica gel superfine process was conducted by combining solvent extraction and separation with macroporous absorbent resin.

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  • 采用超临界二氧化碳萃取技术对有机溶剂萃取的辣椒红粗提物进行提纯、精制,制备高色价、高质量的辣椒红色素产品。

    The red chilli colour product with high color value and high quality was prepared through refining capsicum oleoresin by supercritical carbon dioxide extraction method.

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  • 精制方法主要包括专一性溶剂法、酸碱法、酶水解法和柱层析法等。

    Specific solvent separation, acid and alkali treatment, enzymatic hydrolysis and column chromatography are the main methods to be used in the refinement of curcumin.

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  • 介绍了无味煤油精制的新技术、新方法,分析了煤油型无味溶剂油气味的产生因素。

    The new refining technologies and methods for production of odorless kerosene are reviewed and the factors influencing the quality of odorless kerosene are analyzed.

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  • 该项工作对溶剂萃取法精制湿法磷酸工艺设计,有一定的参考价值。

    This work has some referential significance for designing it by solvent extraction.

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  • 一种回收在煤的精制中需要的有机溶剂的方法,包括以下步骤:在原料制备单元中供给溶剂、共溶剂和煤,以充分地混合形成浆料;

    A method of recovery of organic solvents required in refining of coal comprising of following steps: feeding solvent, co-solvent and coal in the feed preparation unit to form slurry.

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  • 并以溶剂萃取法对烟碱粗制品纯化,以烟碱和软脂酸的成盐反应精制烟碱。

    The unrefined nicotine was purified using solvent extraction and the nicotine was refined by a salification reaction of nicotine and palmitic acid.

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  • 芴的提取精制过程是先间歇蒸馏洗油馏份或蒽油馏份切取芴主馏份,再采用冷却结晶法或溶剂结晶法精制芴主馏份得到芴。

    The extraction and refining process includes distillating washing oil or anthracene oil to get fluorene distillate, then crystallizing the fluorene distillate to get fluorene using cooling or solvent.

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  • 芴的提取精制过程是先间歇蒸馏洗油馏份或蒽油馏份切取芴主馏份,再采用冷却结晶法或溶剂结晶法精制芴主馏份得到芴。

    The extraction and refining process includes distillating washing oil or anthracene oil to get fluorene distillate, then crystallizing the fluorene distillate to get fluorene using cooling or solvent.

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