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Keywords Y zeolite catalyst;di isopropylbenzene;transalkylation;reaction mechanism;catalyst deactivation; 沸石催化剂;二异丙苯;烷基转移;反应机理;催化剂失活;
Keywords Y zeolite;steam;dealumination;palladium;platinum;tetralin;hydrogenation;sulfur tolerance;spill-over hydrogen; 沸石;水蒸气;脱铝;钯;铂;四氢萘;加氢;耐硫性;溢流氢;
Keywords Y zeolite;dealumination;secondary mesopore;secondary micropore;pore size distribution; 沸石;脱铝;二次孔;二次微孔;孔分布;
Keywords NH_4F;ultrastable Y zeolite;modification;FCC catalyst; 氟化铵;超稳Y型分子筛;改性;催化裂化催化剂;
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。
The Y zeolite is calcinated at high temperature after fluoride modified. 摘要采用氟处理结合高温焙烧的方法对Y型分子筛进行改性。
Keywords cracking catalyst;ultrastable Y zeolite;Al 2O 3;nickel resistance; 裂化催化剂;超稳Y分子筛;氧化铝;
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。
Y-MCM-41 containing secondary building units of Y zeolite was prepared and then treated by ion exchange method. 制备了含有Y沸石次级结构单元的Y-MCM-41,并对其进行离子交换处理。
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)。
The relationship between surface acidity and alkylation reaction catalytic activity of modified Y zeolite was studied on fixed-bed reactor by FT-IR. 用红外光谱法研究了改性Y型分子筛的表面酸性,并考察了烷基化反应活性与酸性质的关系。
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。
It has been shown that the hydrothermal stability Of ultrastabl Y zeolite FSY can be improved by adding silicon colloidal sol into the FSY slurry. 在制备过程中添加硅溶胶改善了氟硅酸铵脱铝补硅超稳Y沸石FSY的水热稳定性。
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 alkylation of aniline with cyclohexene in the presence of Y zeolite was carried outin an autOclave.The products were characterized using GC-MS,GC-IR and other techniques. 用高压反应釜结合气相色谱、气相色谱-质谱联用、气相色谱-红外联用等分析技术探讨了环己烯和苯胺在不同酸度Y型沸石上的烷基化反应。
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。