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- catalystic hydrogenation of coal tar 煤焦油催化加氢
- Indole consists in washing oil of coal tar. 煤焦油洗油(以下简称洗油)中含有吲哚。
- Our company ranks first in the output of coal tar. 我公司的煤黑油产量居全省之首。
- Ammonia, coal tar and coke are all by-products obtained in the manufacture of coal gas. 氨气、煤焦油、焦煤都是煤气生产过程中的副产品。
- hydrogenation of coal tar 煤焦油加氢
- Besides,the development mode of coal tar enterprises was also discussed. 此外还讨论了煤焦油加工企业的发展模式。
- Ammonia,coal tar and coke are all by-products obtained in the manufacture of coal gas. 氨气、煤焦油、焦煤都是煤气生产过程中的副产品.
- The selection of process technology of coal tar fraction have an effect on general level of coal tar plant. 煤焦油各馏分加工技术的选择,对煤焦油加工厂的整体水平有很大影响。
- Reaction pathway of coal tar in SCW is proposed from the reaction property of each fraction. 基于各组分的反应，探讨了煤焦油组分在SCW中的反应路径。
- Modification of coal tar pitch(CTP) as carbon materials was studied using 4-methyl benzaldehyde(4-MB) as modifier by an acid catalyst. 以对甲基苯甲醛(4-methyl benzaldehyde,简称4-MB)为改性剂,在对甲苯磺酸(PTS)的作用下对煤沥青进行了改性研究。
- Modification of coal tar pitch as a carbon precursor was studied using divinylbenzene (DVB) as a cross linking agent by the aid of acid catalyst. 首次以二乙烯基苯为交联剂,在酸性催化剂的作用下对煤沥青进行了改性研究,同时对改性后的煤沥青进行显微结构和耐热性分析。
- Needle coke was prepared through the co-carbonization of toluene soluble fraction (TS) of coal tar pitch and waste polystyrene (WPS) in a tube bomb. 摘要采用煤焦油沥青的甲苯可溶物和废聚苯乙烯共碳化制备针状焦，考察了中间相沥青中烷基含量对针状焦性能的影响。
- Aqua mesophase pitch (AMP) was prepared through oxidation of coal tar pitch with mixtures of concentrated sulfuric acid and nitric acid. 以煤焦油沥青为原料,经过氧化、碱溶制备出水性中间相沥青,着重考察了制备条件对水性中间相沥青在水相中凝胶化的影响。
- Fluorene is an important material in organic chemical industry.It is usually extracted from the washing oil or anthracene oil distillate of coal tar. 芴是重要的有机化工原料,多从煤焦油的洗油馏份中提出,也可从蒽油中提出。
- Zinc displaces the hydrogen of dilute acids. 锌置换了稀酸中的氢。
- Any of various thick,dark,sticky substances obtained from the distillation residue of coal tar,wood tar,or petroleum and used for waterproofing,roofing,caulking,and paving. 沥青，人造沥青某种厚厚的、黑而粘的物质，由炭焦、木焦或石油的剩余物中提炼出来，用于防水、盖屋顶、填缝和铺路。
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- Because of the complicacy of the components of coal tar pitch, the simulation of preparation process of pitch-based composites has not been developed widely. 由于煤沥青成分的复杂性,对煤沥青基复合材料的制备过程的模拟还没有得到广泛开展。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- The application of mixed converter gas and coke oven gas to burn in steel-rolling heating furnace is stated, the decrease of coal tar consumption by that discussed. 阐述了转炉煤气、焦炉煤气在邯钢轧钢加热炉前进行混烧的应用,并对由此带来的焦油消耗降低进行了讨论。
