The coke yield of pitches from different tar sources is expressed as a linear function of the BI content.
从不同焦油中得到的沥青结焦率与BI含量呈线性关系。
Meanwhile, coke yield increase and octane number loss should be considered when reducing olefins through hydrogen transfer reactions.
同时,在加强氢转移反应减少烯烃时,还需考虑焦炭选择性变差和汽油辛烷值下降的问题。
Increases in throughput, resid blending ratio and gasoline octane as well as drop in coke yield can be obtained after the catalyst mixing.
使用混兑催化剂可提高渣油掺炼比,降低焦炭产率,提高装置处理量,并可提高汽油辛烷值。
The high efficiency steam stripping technology of catalytic cracking unit can efficiently decrease the coke yield, and mitigate the regenerator's load.
催化裂化装置高效汽提技术可有效降低焦炭产率,减轻再生器负荷。
The catalyst of the invention is used for catalytic cracking of heavy oil, the conversion rate is high, the yield of gasoline is high and the coke yield is low.
本发明催化剂用于重油催化裂化,转化率高,汽油产率高,焦炭产率低。
Factors influencing the coke yield and the softening point (SP) of pitches were studied to ascertain procedures for the improvement and control of their quality.
研究了影响沥青结焦率和软化点(SP)的因素,以确定改进和控制其质量的工艺过程。从不同焦油中得到的沥青结焦率与BI含量呈线性关系。
Additionally, adjusting the air flow to achieve a reasonable coke yield also increased the heat of cracking into a region also consistent with residual operation.
另外,调节空气流量以达到一个合理的焦碳收率,还能提高裂化热到与渣油操作相符的范围。
High catalyst to oil ratio mainly leads to carbenium ion catalytic reaction, which LPG and coke yields were remarkably increased but dry gas yield was basically unchanged.
由剂油比增加引起的过裂化属于过度催化反应,过裂化点后液化气和焦炭产率出现明显增加的趋势,但干气产率基本上没有变化。
Mechanisms to enhance FCC light oil yield and to lower the coke yield(i. e. strengthening FCC process) by adding polymeric active additives in the feedstock were introduced.
介绍了在原料中加入聚合高分子活性添加剂以提高催化裂化轻质油收率、降低焦炭产率(即强化催化裂化反应过程)的机理。
The reckoning diagram of coke yield for domestic coal resource is obtained on basis of first-hand date of thermal test and analysis fo r20 coke ovens by almost ten years' work.
在国内20座焦炉热工测试原始数据的基础上,经整理、归纳、分析,并采用二种方法,即线性回归法和程序回归分析法,首次获得了适合我国煤源的成焦率测算图。
No. 1 FCCU in Jinling Petrochemical Company was revamped in 2001 to increase the processing ratio of vacuum residue. It was found later that the coke yield was increased after the revamping.
中国石化股份有限公司金陵分公司1号催化裂化装置于2001年初进行了掺渣扩容改造,在生产中发现装置的生焦率较高。
The change rule that coking yield and coke VCM increase as the coking period shortens in the commercial delayed coking unit has been calculated by the model.
应用该模型计算出工业焦化装置成焦周期缩短后,焦炭收率和焦炭挥发分增加的变化规律;
How to reduce coke deposit and increase product yield is always the target of RFCC unit.
如何抑制生焦、提高产品收率,一直是重油催化裂化的努力方向。
The emission characteristic of chlorine as well as the yield of coke during the process of WP and coal co-pyrolysis was studied.
研究了煤与废塑料共热解过程中氯的释放特性以及不同热解条件下焦炭的产率。
Calcination of petroleum coke can yield almost pure carbon or artificial graphite suitable for production of electrodes, motor brushes, dry cells, etc.
石油焦的煅烧可产出几乎纯的碳或人造石墨,适于生产电极、电机刷和干电池等。
An additive to increase delayed coker yield has been prepared based on the mechanism of enhancing light oil yield and reducing the yields of coke and dry gas.
根据提高延迟焦化装置轻质油收率、降低焦炭和干气收率的作用机理,研制了一种延迟焦化增收剂。在实验室模拟延迟焦化装置上,对五种性质不同的原料渣油进行了空白和加剂试验。
The test result showed that among the three test feeds, FCC LCO feedstock had the highest liquid yield and lowest coke deposition as well as longest running cycle.
三种原料方案的试验结果表明,以催化裂化轻柴油为原料,低凝柴油的液体收率最高,催化剂生焦量最小,运行周期最长。
Through adding various kinds of used plastics in different proportions into coal for coking, the variation on coke nature and yield of coking products obtained is studied.
通过在炼焦煤中添加不同种类、不同比例的废塑料,研究了所得焦炭的性质和焦化产品产率的变化。
The real density of needle coke strongly influences the bulk density of graphite electrodes: a coke of high real density tends to yield low density rods.
针状焦的真密度强烈地影响着石墨电极的体积密度:真密度高的焦炭往往产生低密度的电极。
The yield of pyrolysis coke decreased with the increase of temperature, and the yield of cellulose pyrolysis coke was 1.5%, while the yield of three and lignin were 22% and 26% respectively.
三组分热裂解焦炭产量随温度升高而降低,最终纤维素热裂解焦炭产量为1.5%,而木聚糖和木质素分别为22%和26%。
The paper introduces the reasons, course and design principle of development of the serpentine belt conveyor, and analyzes its popularization and economic yield in the Xinjiang Coal-Coke Group.
介绍了蛇形带式输送机研制的原因、过程和设计原理,以及在新缰焦煤集团内推广使用的一些情况和经济效益分析。
Total liquid yield has been increased by 1.5 to 3.5 percent points with a better selectivity of coke and dry gas.
总液体质量收率增加1.5~ 3 .5个百分点; 并具有很好的焦炭和干气选择性。
Because of the high carbon residue of the feedstock, the yield of coke is very high. This will increase the charge of burning coke.
由于原料的残炭很高,焦炭的产率非常高,将增加烧焦负荷。
The results show that Z-18 retarder activator could keep the activity of the catalyst effectively, reduce the yield of coke, and improve the product distribution.
结果表明,Z-18抗焦活化剂能有效地维持催化剂的活性,明显减少焦炭生成,改善产品分布。
The results show that Z-18 retarder activator could keep the activity of the catalyst effectively, reduce the yield of coke, and improve the product distribution.
结果表明,Z-18抗焦活化剂能有效地维持催化剂的活性,明显减少焦炭生成,改善产品分布。
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