积炭

jī tàn
  • carbon deposit;carbon build-up
积炭积炭
积炭[jī tàn]
  1. 最佳铈钛比为0.5:0.5。(4)加入CeO2提高了催化性能,抗积炭性能和稳定性能。

    The best rate of CeO_2 and TiO_2 is 0.5 to 0.5 . ( 4 ) To add CeO_2 elevates the catalyst nature , anti carbon deposit , and stabilities .

  2. 结果表明,金属处理剂MT会增加润滑油的低温泵送粘度,也会导致积炭和漆膜的增加,会对发动机的使用带来不良影响。

    The results indicate that metal treatment may increase low-temperature pumping viscosity , results in the formation of more carbon deposit and lacquer film . Metal treatment ( MT ) may cause negative effect to the engine .

  3. 较低反应温度下Hβ沸石上积炭的性质

    Properties of coke deposited on h β zeolite at lower reaction temperatures

  4. ~(13)cNMR研究LA-2型催化剂的积炭行为

     ̄( 13 ) C NMR Study of Coke Formation on LA-2 Catalysts

  5. 甲烷、二氧化碳重整催化剂的研究Ⅱ.MgO-CeO2双金属氧化物对Ni/γ-Al2O3催化剂抗积炭性能的影响

    A Study on Nickel Based Catalysts for Methane Reforming with Carbon Dioxide

  6. 载体对Ni基催化剂活性和抗积炭性能的影响

    Effect of Support on Resistance to Carbon-deposition of Nickel-based Catalysts for CO_2 Reforming of CH_4

  7. Ni系水蒸气转化催化剂上积炭和消炭的机理探讨

    Investigation on the coking and decoking mechanism on Ni catalysts for steam reforming of heptane

  8. 重整催化剂Pt/γ-Al2O3积炭动力学的研究

    Study on the coking kinetics of the reforming catalyst pt / al_2o_3

  9. 磷改性γ-Al2O3的酸性调变和积炭行为

    Acidity accommodation and coking behaviour of phosphorus modified γ Al 2O 3

  10. 镁对γ-Al2O3表面酸性及积炭性能的影响

    Effect of magnesium on the acidity and coking of γ - al_2o_3

  11. 锂对于γ-Al2O3表面酸中心的调变作用及其积炭性能的影响

    Effect of lithium on the acidic property of r-ai_2o_3 and its carbon deposition

  12. Co/Al2O3催化剂上积炭的研究

    Deposition of Carbon on the Co / Al2O3 Catalysts

  13. 天然气、CO2重整催化反应的研究(Ⅱ)&积炭的防止

    A Series Study in Reform of the Reaction System of Synthesis Gas to CO_2 (ⅱ)── Prevention of Carbon Deposition

  14. CH4-CO2转化反应载体对负载型Ni催化剂抗积炭性能的影响

    Effect of supports on carbon-deposition resistance of nickel catalysts for methane reforming with CO_2

  15. 抗积炭CH4/CO2重整用Ni/Al2O3催化剂

    Ni / Al_2O_3 Catalyst with Repressed Coke Formation in CH_4 / CO_2 Reforming

  16. 用热重技术分析Ni/γ-Al2O3催化剂上的积炭行为

    Investigation of carbon deposition on Ni / γ Al 2O 3 catalyst by using TG technique

  17. 偏钛酸作为PTA催化剂载体的积炭行为考察

    Investigation of carbon deposit from metatitanic acid as PTA catalyst carrier

  18. 循环积炭-烧炭处理对Pt/Al2O3和PtSn/Al2O3催化剂表面性质的影响

    Effect of coking-burning off cycle on the properties of pt / al_2o_3 and ptsn / al_2o_3 catalysts

  19. 添加助剂对高分散负载催化剂Pt/Al2O3、Pt-Sn/Al2O3抗积炭性能的影响

    Effects of Additives on Inhibition of Carbon Deposition on Pt / Al_2O_3 and Pt-Sn / Al_2O_3 Catalysts

  20. 助剂MgO的添加能够显著降低积炭量,提高了催化剂的稳定性和抗积炭性。

    Promoter MgO reduces the amounts of carbon and makes the catalyst stable significantly .

  21. 本文以元素分析的碳含量为标准,用ESR方法研究了催化裂化催化剂的积炭。

    Coke formed on cracking catalysts was investigated by ESR technique and elemental analysis .

  22. Au-Ni/γ-Al2O3催化剂在CO2/CH4重整反应中抗积炭性能研究

    Study on the Resistance to Carbon Deposition of Au-Ni / γ - Al2O_3 Catalyst for CO_2 / CH_4 Reforming Reaction

  23. 结果表明,甲烷具有相当高的裂解积炭活性,裂解后生成炭化物(carbide炭)和石墨炭两种不同活性的炭种;

    The results showed that methane exhibited rather high decomposition activity and carbide carbon and graphitic carbon were detected .

  24. 天然气转化制合成气Ni基催化剂的再生研究&积炭失活催化剂的再生

    Studies of Regeneration of Deactivated Ni-based Catalysts for Reforming of Natural Gas with Carbon Dioxide - Regeneration of Deactivated Catalyst Carbon Deposited

  25. 催化剂表面的积炭主要沉积在TS-1的微孔内,含碳物种有两种类型:易除炭存在于Ti中心附近,可在350℃下氧化除去;

    Two types of carbon species are formed on the internal surface of TS-1 micropores .

  26. Ni基六铝酸镧LaNiAl(11)O(19)催化剂表面甲烷CO2的重整积炭速率

    Study on rate of deposited carbon over Ni base hexaaluminate LaNiAl_ ( 11 ) O_ ( 19 ) catalyst during CO_2 reforming of methane

  27. 结果表明,磷改性使催化剂的B酸中心数量增加了0.02mmol.g-1,而B酸中心的增加有利于双分子的氢转移反应,避免反应过程中催化剂表面的积炭。

    The results showed that B acid of the catalyst modified by phosphorus was enhanced by 0.02 mmol · g-1 , which favored the hydrogen transfer reaction and inhibited coke formation .

  28. 采用IR、TG、XRD等技术研究催化裂化反应中催化剂的酸性质与积炭的关系。

    The relationship of catalyst acidic properties to coke activity in catalytic cracking reactions is studied by IR , TG , and XRD .

  29. 磷化合物的加入使层柱交联累托石催化剂的B酸强度增加,但积炭反应主要不是由B酸强度决定,而是与强弱B酸中心数目的比例以及B酸和L酸的协同作用有关。

    So it is considered that the coking reaction is related to the amount of acid sites and the coordinated action of Lewis / Brnsted acid sites .

  30. 结果表明,CO2催化重整过程开发成功的关键是有效抑制催化剂积炭失活。

    It is shown that the key to successful development of reforming processes is inhibition of coke deposition which causes deactivation of the catalyst .