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汽油中烯烃含量
相关语句
  olefin content in gasoline
     Decreasing olefin content in gasoline by hydrogen peroxide-organic acid
     H_2O_2-有机酸降低汽油中烯烃含量研究
短句来源
     Based on analysis of bench test results of intake valve deposits (IVD) for gasoline engine, it was concluded that, for electronic-controlled injection engine, IVDs in crease with the increase of olefin content in gasoline, the inhibition of gasoline detersive on IVD in electronic-controlled engine decreases with the increase of olefin content in gasoline, and the thermal stability of gasoline detersive shows great influence on deposits.
     通过对ASTM试验标准的汽油机进气门沉积物(IVD)发动机试验台架运行试验情况的分析,阐述了电喷发动机进气门沉积物随汽油中烯烃含量的上升而增加、汽油清净剂对电喷发动机进气门沉积物的抑制作用随着汽油中烯烃含量的上升而减弱、汽油清净剂的热稳定性对沉积物的生成有重要影响。
短句来源
     Studying on the GOR-Ⅱolefin reducing catalyst with its application results indicated that it can obviously reduces olefin content in the gasoline oil produced by heavy oil catalytic cracking unit when its amount reaches 50 % of the total system catalyst amount, and when the catalyst activity is controlled above 62~65. The olefin content in gasoline oil can be further reduced by 2 %~4 % with GOR-Ⅱcatalyst than any other catalysts without much loss of gasoline octane number.
     应用结果表明当该催化剂占系统藏量50%以上催化剂活性控制在62~65时,对降低重油催化裂化装置生产的汽油中烯烃含量的效果较好,汽油烯烃比用其它降烯烃催化剂降低2%~4%,能够满足产品出厂要求。 同时汽油的辛烷值基本不变。
短句来源
  “汽油中烯烃含量”译为未确定词的双语例句
     The results showed that the yields of coke and dry gas decreased first and then increased ,and olefinic content in gasoline and C 3 olefinicity decreased by 2.0% and 1.2% respectively at the similar heavy oil conversion when the amount of quenching medium increased from 1% to 16% on fresh feed.
     结果表明 :在控制相近的重油转化深度下 ,终止剂用量占处理量 1 %、1 0 %和 1 6%时 ,焦炭和干气产率均先降低后增加 ,汽油中烯烃含量和C3 中烯烃质量分数则分别降低 2 .0和 1 .2个百分点 ,汽油中异正构烷烃比增加 ,二烯值降低 ,诱导期增加超过 1 0 0min ;
短句来源
     In comparison with the USY catalyst preparing by conventional hydrothermal treating, the evaluation result in a fixed-fluidized bed reactor with Daqing AR feedstock exhibited that the naphtha olefin content reduced from 27. 54% to 23. 39% , and the sulfur content decreased from 1010mg/L to 756mg/L.
     固定流化床评价结果表明,与常规水热法制备的USY催化剂相比,以大庆常压渣油为原料,汽油中烯烃含量可从对比剂的27.54%降至23.39%,而硫含量从1010mg/L降至756mg/L。
短句来源
     APPLICATION OF LGO-A CO-CATALYST FOR DECREASING OLEFIN CONTENT IN FCC NAPHTHA
     降低FCC汽油中烯烃含量的LGO-A助剂工业应用
短句来源
     One of the most obvious problems of fuel quality is from redundant olefin fraction of gasoline in China, which is attributed to the high proportion of FCC gasoline with ample olefins in gasoline pool.
     我国燃料油质量方面较为突出的问题之一是汽油中烯烃含量较高,而催化裂化汽油的高烯烃含量和汽油调和组分中过高的催化裂化汽油比例是我国目前成品汽油中烯烃含量高的主要原因。
短句来源
     The research showed that the increase of metal content of high-silica Y zeolite was benefit to the reduction of the olefin and sulfur content in FCC naphtha.
     研究表明,增加高硅Y型沸石中的金属离子含量,有助于降低FCC汽油中烯烃含量和硫含量。
短句来源
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  相似匹配句对
     Determination of Olefinic Content in Containing Olefine Gasoline by Capillary Gas Chromatography
     毛细管气相色谱法测定含烯汽油烯烃含量
短句来源
     Determination of the Phenol in Gasoline
     汽油含量的测定
短句来源
     Determination of Olefin Hydrocarbons in Gasoline by Near-infrared Spectroscopy
     近红外光谱法测定汽油烯烃含量
短句来源
     FAST ANALYSIS OF OLEFINS, AROMATICS AND BENZENE CONTENTS IN GASOLINE BY MULTI-DIMENSION GAS CHROMATOGRAPHY
     多维气相色谱快速测定汽油烯烃、芳烃和苯含量
短句来源
     The Method to Reduce Contents of Olefins in Gasoline
     降低汽油烯烃含量的方法和途径
短句来源
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A method for determinating the olefinic content in containing olefine gasoline by capillary gas chromatography has been established. The sulphonating reaction degree of benzene and alkyl benzene in gasoline sample has been studied. The determinated aromatic content is 10.41% by polar packed column (OV-275). The result is identical with determinated result (10. 56 %) by capillary column gas chromatography.

建立了用毛细管气相色谱法分析含烯汽油中烯烃含量的方法。考察了汽油馏分中主要芳烃组分磺化反应的程度,用强极性OV—275填充柱对油样中芳烃定量结果作了准确度考察。 毛细管气相色谱法;;石油产品分析;;烯烃;;磺化反应

The olefin content of FCC gasoline was reduced by 3.1 percent points through altering the feedstock and operating conditions of FCCU.The benzene content in reformed gasoline can be reduced by selecting suitable feedstocks,controlling the dry point of topped oil over 80℃,shuting down the aromatics extraction and solvent oil units.Blending the obtained gasoline with reformed gasoline by 78:22 and producing low olefin gasoline of 200000 t/yr,a revenue of 4370×10 4 RMB$ was obtained.

中国石油锦西石化分公司通过调整催化裂化装置的原料和操作条件使催化裂化汽油中的烯烃含量降低了 3 .1个百分点 ;对于催化重整装置 ,通过选择合适原料 ,将拔头油干点控制在 80℃以上 ,以及停开芳烃抽提和溶剂油装置等措施 ,降低了重整汽油的苯含量。将由此得到的催化裂化汽油和催化重整汽油按 78∶2 2的比例调合 ,生产出了低烯烃汽油 0 .2Mt/a ,效益达 43 70RMB $ /a

In this two stage riser FCC technology, two reactors were arranged in series to replace the single riser reactor and a new reaction regeneration system was configured to overcome the shortcomings of long settling time associated with the one reactor of the present FCC process This technology is characteristic of two stage catalytic cracking with fresh catalysts, higher catalyst to oil ratio, short contact time, and reaction staging,thus enhancing the average activity and selectivity of catalyst. Thermal...

In this two stage riser FCC technology, two reactors were arranged in series to replace the single riser reactor and a new reaction regeneration system was configured to overcome the shortcomings of long settling time associated with the one reactor of the present FCC process This technology is characteristic of two stage catalytic cracking with fresh catalysts, higher catalyst to oil ratio, short contact time, and reaction staging,thus enhancing the average activity and selectivity of catalyst. Thermal reaction and adverse secondary reaction can be effectively controlled In parallel with the increase of conversion, gasoling yield and light oil product yield, the olefin content in product gasoline was greatly decreased,the content of iso alkane and aromatics increased, and the octane number and anti knock index of gasoline were both improved

两段提升管催化裂化工艺是用串联的两段提升管反应器取代原有的FCC提升管反应器 ,构成新的反应 再生系统流程 ,因此克服了原FCC工艺的反应器稳定时间长的缺点。该技术的特点在于反应油气二次接触新鲜催化剂、接触时间短且分段进行反应 ,因此有效地提高了提升管中催化剂的平均活性和选择性 ,有效地抑制了热裂化及不利的二次反应。在提高转化率、汽油和轻油收率的同时 ,大幅度降低了催化汽油中烯烃的含量 ,增加了异构烷烃和芳烃含量 ,提高了汽油的辛烷值。

 
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