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- The deactivation of zeolite catalyst QZ-2000 was researched in phenol installation of Jilin Petrochemical Company. 对吉林石化公司双苯厂苯酚丙酮装置异丙苯单元中使用的QZ-2000分子筛催化剂的失活问题进行了研究。
- The effect of Sb2O3 on the surface character of a HZSM-5 type zeolite catalyst has been studied by ESCA. 借助ESCA技术,研究了Sb_2O_3对HZSM-5型沸石表面性质的影响。
- Application of zeolite catalyst in cumene process makes it possible to achieve better quality without pollution. 而在合成异丙苯阶段使用沸石分子筛为催化剂,具有收率高、产品质量好、操作费用低、无腐蚀等优点。
- The catalytic dewaxing (CDW) of lube oil fractions with shape selective zeolite catalyst before and after the removal of basic nitrogen was compared. 本文比较了润滑油馏分脱除碱性氮化物前后的催化降凝效果(采用择形分子筛崔化剂)。
- Determined the structure and property on deposition of coke on ZnHZSM -5 zeolite catalyst by TG, GC, NH3-TPD, XRD and H/Cetal. 通过TG、GC、NH_3-TPD、XRD、H/C、比表面测定等方法对结焦的催化剂进行表征，测定了催化剂上结焦的结构及性质。
- The regeneration ability of zeolite catalyst is examined with thermogravimetry and analysis of active stability of reaction. 通过热重分析和活性稳定性评定考察催化剂的再生性能。
- This article introduces the production technology of ethyl benzene by circulation process for liquid phase and its AEB type zeolite catalyst. 摘要报导了苯和乙烯液相循环烷基化工艺及其所用AEB型分子筛催化剂。
- The results showed that the zeolite catalyst strength was first increased and then decreased with the increase of acetic acid dosage, the maximal catalyst streng... 随着醋酸用量增加,催化剂活性略有增加,对异丙苯选择性影响不大,但催化剂稳定性却降低。
- Research and development results are reported for the synthesis of ethyl benzene by benzene alkylation with ethylene on AEB type zeolite catalyst in liquid phase. 报道了苯和乙烯在AEB型分子筛催化剂上进行液相烷基化反应合成乙苯的研究开发结果。
- This thesis describes an industrial experiment about the production of cumene on zeolite catalyst in phenol-acetone plant of Jilin Petro-Chemical Co.Ltd. 介绍了沸石分子筛催化合成异丙苯工艺技术在吉化染料厂原苯酚丙酮车间(现为中国石油吉林石化公司双苯厂)异丙苯单元的工业实验情况。
- The adsorption and desorption of propylene,benzene,isopropylbenzene(IPB) and di isopropylbenzene(DIPB) over Y type zeolite catalyst were studied by using in situ IR and TPD ITD methods. 采用原位红外和TPD－ITD研究了二异丙苯、异丙苯、苯和丙烯在Y沸石催化剂上的吸附和脱附。
- To effectively enhance the contraposition selectivity of chlorinating reaction the p-chlorotoluene was prepared by direct chlorination of toluene and chlorine gas in the presence of zeolite catalyst. 为了有效提高甲苯氯化反应的对位选择性,研究了在分子筛催化作用下甲苯与氯气直接氯化制取对氯甲苯。
- The reaction law of phenol with MTBE to synthesis of p -TBP and 2,4-DTBP carried out on the fixed flow reactor under atmospheric pressure with HY modification zeolite catalyst is systematically researched. 甲基叔丁基醚 (MTBE)作为烷基化剂 ,以改性HY分子筛为催化剂 ,在常压连续流动固定床反应器上 ,对苯酚烷基化合成对叔丁基和 2 ,4 -二叔丁基苯酚 (2 ,4 -DTBP)的反应规律进行了较为系统的研究。
- Compared with dipping and adherency method,Pb/HZSM-5 zeolite catalyst prepared by ion exchange method had higher activity and yield of alkylpyridine 79.29%(mass),but lower coke 6.43%(mass). 与浸渍法、机械混合法相比 ;采用离子交换法制备Pb/HZSM -5分子筛催化剂具有较好的固相性质 ;积炭量 (质量 )只有 6.;43%25;烷基吡啶的收率 (质量 )可达 79
- With development of cumene process using zeolite catalyst, the new alkylation catalyst having high activity, no corrosion and much environment will be the emphasis of future research and development. 随着分子筛催化合成异丙苯工艺的进展,高效、无腐蚀、符合环保要求的新型烷基化催化剂将是未来研究和开发的重点。
- New type zeolite catalyst was prepared with new type zeolite as active component,with boehmite as carrier,and its activities of olefins removal was tested and compared with acid clay. 以新型分子筛为活性组分,与一定比例的载体混合后通过共沉淀法制成新型催化剂。
- In this paper a new technology of a catalytic alkylation process prodused p ter butylphenol by reacting of phenol with iso buten have bee introduced at a HY Zeolite catalyst in an autoclave. 本文介绍的新工艺制备方法是采用HY型分子筛催化剂，苯酚、异丁烯原料路线，在加压反应釜中进行催化烷基化反应，合成对叔丁基苯酚。
- The results show that in contrast to phosphoric acid catalyst, the production of cumene on zeolite catalyst exhibits low operating cost, high product yields, high product purity and little corrosion. 结果表明,采用沸石分子筛催化剂生产异丙苯,与固体磷酸催化剂相比,具有收率高、产品质量好、操作费用低、无腐蚀等优点。
- Condensation of phenol and chloral over HY zeolite catalysts was studied in detail. 以三氯乙醛为亲电试剂,在HY沸石催化剂上实现了苯酚和三氯乙醛的二次缩合反应。
- The development of shape - selective alkylation of biphenyl to 4,4' - dialkylbiphenyl over zeolite catalysts is reviewed. 综述了用沸石分子筛作催化剂,择形烷基化合成4,4’-二烷基联苯的研究进展。
