均相催化

jūn xiàng cuī huà
  • homogeneous catalysis
均相催化均相催化
均相催化[jūn xiàng cuī huà]
  1. Pd[P(C6H5)3]4均相催化精制生物油的试验研究

    Experimental study of upgrading bio-oil by homogeneous catalysis with pd [ p ( c_6h_5 ) _3 ] _4

  2. PbO均相催化反应精馏合成碳酸二苯酯的研究

    Study on the synthesis of diphenyl carbonate in homogeneous catalysis by PbO

  3. 均相催化体系中混合C8烯烃氢甲酰化反应条件的研究

    Effect of reaction conditions on hydroformylation of mixed octenes ( 2,4,4-trimethyl-1-pentene and 2,4,4-trimethyl-2-pentene ) in homogeneous catalytic system

  4. 可见光/H2O2/海藻酸铁非均相催化降解吖啶橙的研究

    Heterogeneous degradation of acridine orange by ferric alginate under visible irradiation

  5. SBS进行催化加氢反应,采用双乙酰丙酮钴-三异丁基铝均相催化体系;

    SBS carried out catalytic hydrogenation reaction , using acetone-tri-isobutyl aluminum as homogeneous catalyst .

  6. 根据催化超临界水氧化技术的原理,从均相催化氧化和非均相催化氧化两个方面,研究了进水pH值和活性炭对超临界水降解有机物的影响。

    The homogeneous and heterogeneous catalyzed oxidation of organic pollutants in SCW were studied under the different pH and with activated carbon as catalyst .

  7. MCM-41介孔分子筛在精细有机合成非均相催化中的应用

    Applications of Mesoporous MCM-41 in Heterogeneous Catalysis of Synthesis of Fine Chemicals

  8. 均相催化活化杂原子-碳(E-C)键及其与炔烃的加成反应

    Homogeneous Catalytic Activation of Hetero-Carbon Bond and Its Addition to Alkynes

  9. 对SBS及相关聚合物加氢的各种均相催化体系作了全面的介绍与评述。

    This paper gives an overall introduction and review of homogeneous catalytic hydrogenation of SBS and other polymers concerned .

  10. 本文运用超重力均相催化臭氧化方法处理酸性红B模拟染料废水,考察了影响脱色率的几个主要因素,得出了适宜的操作条件。

    This work investigated homogeneous catalytic ozonation of simulated Acid Red B wastewater in a rotating packed bed ( RPB ) . Several main factors which affected the decolorization were discussed and appropriate operating conditions were proposed .

  11. 催化转化器中CO化学反应属于气固非均相催化反应,在载体蜂窝孔内CO向催化剂固体表面的质量传输过程对CO的转化率有着重要影响。

    Chemical reaction of CO is a gas solid catalytic reaction in catalytic converter . The mass transfer course of CO in honeycomb holes has very important effects on CO conversion ratio .

  12. 探讨了高级氧化过程如:O3/H2O2,Fenton试剂均相催化氧化;

    The wastewater treatment and its reaction mechanism by Advanced Oxidation Processes such as homogeneous catalytic oxidation of O3 / H2O2 and Fenton agent ;

  13. 过渡金属化合物均相催化Diels-Alder反应的立体选择性

    Stereoselectivity in Homogeneous Transition-Metal-Catalyzed Diels-Alder Reactions

  14. 结合Fenton反应机理,实验探讨了Cu2+非均相催化氧化机理。

    Refering to Fenton reaction mechanism , experiment has been done to study the heterogeneous catalyzed oxidation mechanism of Cu ~ ( 2 + ) .

  15. 近年来,无论是均相催化体系还是非均相催化体系的Heck偶联反应都取得了巨大的发展。

    In recent years , there is a great development with the Heck coupling reaction , both in homogeneous and heterogeneous catalytic systems .

  16. 考察了催化剂投加量、初始溶液pH值、叔丁醇浓度、催化剂循环使用对催化臭氧化反应的影响,进而对非均相催化臭氧化苯酚和草酸降解性能和反应机理展开了初步研究。

    The effects of catalyst dosage , initial pH , concentration of tert-butanol and catalyst recycling in the catalytic ozonation were studied ; degradation and reaction mechanism of heterogeneous catalytic ozonation of phenol and oxalic acid were further investigaed .

  17. pH值是影响非均相催化臭氧化反应过程的重要因素,以镨负载氧化铝(Pr/Al2O3)为催化剂,重点研究了溶液初始pH值对苯酚催化臭氧化过程的影响。

    PH is the key factor to affect heterogeneous catalytic ozonation reactions . To study the effects of pH on catalytic ozonation , The Pr / Al2O3 powder was used as catalyst on catalyzed ozonation for degradation of phenol in different pH solutions .

  18. Polymath软件在化学工程中非均相催化反应的模拟研究

    The simulated study of Polymath software for gas-solid phase heterogeneous catalytic reaction in chemical engineering

  19. 采用醋酸酐作为酯化剂,吡啶作为活化催化剂,液相均相催化反应技术制备尿素缓释膜材料高取代度(DS)醋酸酯淀粉。

    Using acetic anhydride as esterifying agent , pyridine as activation catalyst . Applying liquid homogeneous catalyzing reaction skill for preparation of carbamide controlled release film material high substituent ( DS ) acetic starch ester .

  20. 同时,针对NY均相催化体系设计的环氧乙烷吸收反应流程,将环氧乙烷的吸收和反应有机的结合在一起,这将大大缩短催化水合法的工艺流程。

    Meanwhile , process of reactive absorption designed according to NY homogeneous catalytic system organically combined absorption with reaction , which may obviously shorten the process flow .

  21. 均相催化氢化的研究Ⅰ.不对称催化剂(4R,5R)(+)及(4S,5S)(-)DIOP-铑的合成

    Homogeneous catalytic hydrogenation ⅰ . The synthesis of asymmetric catalysts ( 4 R , 5 R ) ( + ) and ( 4 S , 5 S ) ( - ) DIOP-Rh

  22. 同时进一步对EGEA的各种制备方法进行了综合比较,给出了以环氧乙烷和乙酸乙酯为原料,非均相催化条件下一步合成乙二醇乙醚乙酸酯的新工艺。

    We compare comprehensively with the different preparation methods , and a new method has been put forward .

  23. 使用自制的CuOAl2O3催化剂对苯酚饱和活性炭进行非均相催化湿式氧化再生研究,系统观察了反应条件对非均相催化湿式氧化再生活性炭的影响。

    The CuO Al 2O 3 catalyzer was used to heterogeneous catalytic wet oxidation regeneration of activated carbon , which adsorbed the phenol saturated . The study found the effect of reaction factors on activated carbon regeneration by heterogeneous catalytic wet oxidation .

  24. 使用CpTi(OPh)3/MAO均相催化体系,研究了工艺条件对苯乙烯间规聚合的影响。

    The effects of process conditions on the syndiotactic polymerization of styrene was studied in the case of using CpTi ( OPh ) 3 as homogeneous catalytic system .

  25. 但目前国内外大多采用均相催化氧化羰基化合成DPC,由于均相催化存在着催化剂回收、产品后续分离困难等问题,致使该工艺的开发举步为艰。

    In the literature , oxidative carbonylation method for DPC synthesis uses homogeneous catalytic reaction . In the case , it is not easy to scale up the process due to problems of product separation and catalyst recovery .

  26. 虽然均相催化反应可以高产率高ee(对映体过量)值的进行,但要经过多步纯化过程,而且昂贵的催化剂也很难回收再循环利用。

    Although the asymmetric catalytic reactions can be efficiently carried out in homogeneous catalytic systems with high yields and ee value , it has also some disadvantages , such as complicated purification procedures and using the expensive catalysts that are quite difficult to recover and recycle .

  27. 其中一类具有pincer结构的吡啶基含氮三齿配体的合成及其在均相催化中的潜在应用,近些年得到了较深入的研究报道。

    Among which , the ligands with a so-called " pincer " structure have been investigated deeply recent years with regard to their synthesis as well as their potential application in homogeneous catalysis .

  28. 吡啶基含氮三齿配体的合成及其在均相催化反应中的应用

    Synthesis of Pyridine-Based Tridentate N-Ligands and the Application in Homogeneous Catalysis

  29. 非均相催化氧化处理活性艳红染料废水

    Treatment of Reactive Brilliant Red Wastewater by Heterogeneous Catalytic Oxidation Process

  30. 乙烯二聚共聚双功能均相催化体系的研究

    Studies on homogeneous bifunctional catalytic systems for ethylene dimerization and copolymerization