Two methods of distillation crystallization method and gas chromatography to determine the naphthalene content in coal tar oil were introduced.
介绍煤焦油中萘含量测定的两种方法:蒸馏结晶法和气相色谱法,对两种方法的优缺点及分析结果进行了对比。
An experiment and research on cold briquetting coke was conducted with anthracite coal blended with lean coal and fine coking coal and with residuum of modified coal tar oil as the binder.
对无烟煤配入瘦煤和焦粉,用改性焦油洗油残渣做黏结剂,制备冷压型焦进行了试验研究。
Our known fossil fuel reserves are soaring. New finds of coal, natural gas, oil, tar sands, and oil shale keep growing, not declining.
已知的矿石燃料储备猛涨;不断有新的煤矿、天然气、石油、焦油砂和油页岩被发现;人口数量也在增长。
For instance, Craig Venter's Synthetic Genomics and other companies are trying to develop microbes that turn coal, tar shale and oil into methane.
例如,克雷格·文特尔(Craig Venter)的合成基因学说,以及其他一些公司正在试图开发把碳、页岩焦油和原油变为甲烷的微生物。
There is oil aplenty of other sorts (tar sands, liquefied coal and so on), so the stuff is unlikely to run out for a long time yet.
而其它种类的油料极其丰富(含油砂、液化煤气等),因此,在很长时间内,这种原料都不可能耗尽。
According to the demands of the market, high quality reconciliation oil made from concoction of coal-tar oil and heavy-oil was also studied.
根据市场的需求,本文还研究了由煤焦油与重油调配成品质较高的合成燃料油。
When coal tar is used or replaces heavy oil as fuel some critical notes must be focused on its application so as to insure glass quality and reduce production cost.
煤焦油替代重油在切换和使用过程中,抓好几个关键点,确保玻璃质量,降低生产成本。
Experiments have been done in the laboratory to develop fuel oil, diesel oil and benzene substitutes, by using coal tar.
实验室研究利用煤焦油研制汽柴油替代品燃料油。
The capacitance of FBE coating is the largest, three layer PE , Coal tar, Oil bitumen were similar, but the capacitance of three layer PE is the smallest both in soil and NaCl solution.
四种防护层噪声电阻大小顺序为三层PE>熔结环氧粉末>煤焦油沥青>沥青玻璃布;
Coating material of epoxy coal tar has been prolonged in the fields of corrosion protection for long distance pipeline, metal storage tank and oil field facilities.
环氧煤沥青涂料用于长输管道、金属储罐以及油田设备防腐经久不衰。
The experimental results show: delayed coking for coal tar can obtain higher fuel oil yield, lower wax oil yield and better products distribution.
实验结果表明:煤焦油延迟焦化可以得到较高的燃料油产率,较低的蜡油产率和较好的产品分布。
It is proved that coal tar enamel is protection material which can meet the requirements of modern environmental protection, and continues to be widely used in oil, gas and water pipeline.
试验数据证明,煤焦油瓷漆是一种可满足现代环保要求并广泛应用于油气水管道的防腐材料。
This paper proposed to use coal tar and other processed products instead of partial heavy oil for float glass plants and analyzed related market supply, economic and technical feasibility.
主要提出了浮法玻璃工厂使用煤焦油及其深加工产品替代部分重油的可行性,分析了有关的市场情况、经济性和技术可行性。
Indole consists in washing oil of coal tar.
煤焦油洗油(以下简称洗油)中含有吲哚。
In the energy sector, excluding oil and gas, these include coal, lignite, uranium, and thorium and tar sands.
关于能源,除了石油和天然气,还包括煤、褐煤、铀、钍和沥青。
This paper described the preparations for substituting heavy oil by coal tar. It pointed out the problems from coal tar and advanced the reasons and the measures.
介绍了重油替代煤焦油的准备工作,煤焦油在使用中出现的问题以及原因分析和解决途径。
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。
A fraction of naphthalene oil from coal tar at high temperature was used as raw material to synthesize a new type of dispersing agent for coal water slurry (CWS).
用高温煤焦油中的萘油馏分作为原料合成了水煤浆分散剂。
Medium with worse lubricating property, such as light fuel oil, heavy fuel oil, coal tar, asphalt, viscose, emulsified mixture, etc.
润滑性较差的介质,如轻质燃油、重质燃油、煤焦油、沥青、粘胶液、乳化液等;
The main kinds of material of reconciliation oil were coal-tar oil and heavy-oil.
用来制备合成燃料油的主要原料是煤焦油、重油。
Naphthalene content in coal-tar oil and cleaning oil was analyzed and determined using SE-54 capillary column.
用SE- 5 4毛细管柱分析了煤焦油和下游产品洗油中的萘含量,比国标法分离度好,用内标法(对四甲苯做内标)定量准确可。
After the filtration separation, the solid matter in the coal tar was greatly reduced. The filtrated coal tar can meet the demand of being turned into the gasolene and the diesel oil.
通过过滤分离实验,煤焦油中的固含量大大降低,过滤后的煤焦油可以达到催化加氢制取汽油、柴油的要求。
The technology is used for conversion from hydrofining coke-oven gas into the oil, conversion from coal tar into the oil and light benzole hydrorefining.
该技术使用于焦炉煤气转化油、煤焦油转化油、轻苯加氢精制。
Distill coal tar in a tube furnace to generate 3 mix oil , and obtain crude phenol from washed 3 mix oil .
煤焦油经管式炉蒸馏后,酚油,洗油和萘油馏分组成的三混馏分再经过洗涤后获得。
Properties: Completely dissolved in solvent such as coal tar system, esters, turpentine and plant oil. Undissolved in solvent such as alcohol and partly dissolved in oil.
性能:在煤焦系,酯类溶剂﹑节油﹑物油中完全溶解,不溶于醇类溶剂,在石油系溶剂中部分溶解。
Main business: coal, Metallurgical coke, Bituminous coal, coal tar pitch, Coking benzene, Fuel oil, Mixed oil, Refined Naphthalene, washed oil, Anthracene oil etc. GB products.
主营:煤炭、冶金焦、煤焦油、煤沥青、焦化苯、燃料油、混合油、精萘、工业萘、硫酸铵、轻苯、粗苯、洗油、蒽油等国标产品。
The project takes pyrogenic dry distillation gas of soft coal in continuous retort as the fuel gas and produces ferroalloy coke and crude tar oil.
本项目是以烟煤在连续炭化炉中热解的干馏煤气作为城市燃气,同时付产铁合金焦和粗焦油。
The project takes pyrogenic dry distillation gas of soft coal in continuous retort as the fuel gas and produces ferroalloy coke and crude tar oil.
本项目是以烟煤在连续炭化炉中热解的干馏煤气作为城市燃气,同时付产铁合金焦和粗焦油。
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