Olefins相关论文
Process for Synthesis of Low-carbon Olefins from Syngas over Double-layer Catalysts Developed by DIC
The CAS Dalian Institute of Chemical Physics (DICP) has made success in manufacturing low-carbon olefins by contacting t......
Preparation of selenofunctionalized heterocycles via iodosobenzene-mediated intramolecular selenocyc
An intramolecular selenocyclizations of olefins mediated by a commercially available hypervalent iodine(Ⅲ) reagent,PhIO......
Multilayer Ionic Liquid Modified Silica/peroxotungstate: An Efficient,Green and Reusable Catalyst fo
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Stereoselective [2+2] photodimerization within the confined space of a Ru/Pd heterometallic coordina
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Direct access to stilbene derivative via visible-light-induced coupling of nitroalkene with aryl dia
Stilbene compound as a single-stilbene compound body,since the vinyl bond and a benzene ring form a conjugated system al......
Cyclopropane and its derivatives play an important role in the total synthesis of complex compounds, natural products, a......
Ionic liquids consisting of the polyoxomolybdate anion(Mo6O19 2-)and(n-C4H9)4P+(tetrabutylphosphonium),[n-C4H9)3P(n-C14H......
Light olefins(C2–C4)are fundamental building blocks for the manufacture of polymers,chemical intermediates,and solvents......
Effects of Hydrotreating Severity on Hydrocarbon Compositions and Deep Catalytic Cracking Product Yi
Residue deep hydrotreating(RDHT)process was developed by the Research Institute of Petroleum Processing(RIPP)to provide ......
Over the past few decades,theres an explosive increase of interest in electrophilic cyclization to synthesize carboc......
Stereoselective [2+2] photodimerization within the Confined Space of a RutheniumPalladium Heterometa
In recent decades,chemists have drawn inspiration from nature to design of supramolecular complex hosts that mimic t......
Effect of organic deposits on catalyst for methanol-to-olefin reaction on the product selectivity in
The hydrocarbon deposition on the catalyst is known to be crucial to the methanol-to-olefin conversion reaction.In t......
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传统合成热力学不稳定的Z-式烯烃的方法往往都需要使用高能量的试剂,通过动力学来进行控制,反应条件较为苛刻,操作复杂,原子经济性......
Carbon nanotubes-supported palladium nanoparticles for the Suzuki reaction in supercritical carbon d
A facile and efficient method for the synthesis of tetrasubstituted olefins in supercritical carbon dioxide was develope......
Light olefins (C2-C4 olefins) are the most important basic carbon-based building blocks, which are mainly produced from ......
A practical synthesis of α-bromo/iodo/chloroketones from olefins under visible-light irradiation con
A practical synthesis of α-bromo/iodo/chloroketones from olefins under visible-light irradiation conditions has been de......
本文在微反固定床上对乙二醇进行了催化制备烯烃和芳香烃的试验研究。试验中选取ZSM-5作为酸性催化剂,研究了热解温度、质量空速以......
采用恩氏蒸馏、辛烷值测定机及气相色谱等手段,对神华宁煤MTP装置副产的汽油组分进行了详细的定性和定量分析,探讨了其增值利用方......
igh olefin contents....
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
HPMo-loaded Y-zeolites were prepared for the removal of trace olefins from aromatic hydrocarbons.The temperature of calc......
ZSM-5/MAPO Composite Catalyst for Converting Methanol to Olefins in a Two-Stage Unit with a Dimethyl
A ZSM-5/MAPO composite catalyst was prepared by adding ZSM-5 zeolite powder to a conventional molecular sieve synthesis ......
Asymmetric Cyclopropanation Catalyzed by Four Stereoisomers of a Copper-(Schiff-base) Complex with D
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Light olefins (C2–C4olefins) are the most important basic carbon-based building blocks, which are mainly produced from ......
Conversion of Methanol to Olefins (MTO) under different reaction conditions was experimentally investigated over differe......
考察了用氯化铵离子交换处理的MCM-22分子筛催化剂在脱除芳烃中微量烯烃的催化活性,对分子筛催化剂进行了表征.结果表明离子交换增......
This research work developed a model for the MIP riser reactor using the data collected from an industrial MIP unit.Base......
Progress in natural gas conversion in China is presented in this paper, including processes of natural gas to synthesis ......
A class of chiral ketone was synthesized for asymmetric epoxidation. High ee values have been obtained for a number of c......
ZSM-5 zeolite catalyst modified by a trace of metal cations shows high activity and high selectivity for the reaction of......
随着国Ⅵ阶段车用汽油标准中组分指标的严格要求,烃类含量限值降低,采用的检测手段更严、检测方法精度更高。文章讨论测定汽油烃类......
采用计算和试验相结合的手段,研究了催化裂化汽油重馏分(HCN)中烯烃的结构、碳数及含量对汽油辛烷值的影响规律以及烯烃组分加氢性......
二氧化碳(CO2)是一种来源丰富、价廉易得的C1资源,将二氧化碳化学固定为环碳酸酯是最具工业应用前景的CO2资源化利用途径之一。相......
以整体式堇青石蜂窝陶瓷为载体，经预处理后涂覆HZSM-5分子筛，制备出含不同HZSM-5质量分数的HZSM-5／堇青石整体式催化剂。采用XRD和BET......
烯烃及其衍生物异构化是一种利用碳碳双键沿骨架碳链发生位置迁移或顺反构型变换构建新烯烃的合成方法,对于有机合成、日用化学品......
日益严格的环保要求和加工更重原油的需要,使石油炼制者面临着降低汽油烯烃含量的挑战.本文综述了可以降低汽油烯烃度的途径和工艺......
为了满足环保要求,研究开发生产低烯烃含量的FCC汽油的工艺和催化剂是当今的一个热点问题.了解影响FCC汽油烯烃含量的因素和生成机......
全氟丁基锂与醛，酮，酰氯和酯反应全氟丁基取代醇和酮。在超声作用下，全氟丁工碘与镁作用后也可与醛或酮反应。从全氟丁基取代叔醇的脱......
采用气相转移法（Q）、原位合成法（Y）和涂覆法（z），制备出了3个系列的不同SAPO-34含量的SAPO-34／堇青石整体式催化剂。采用XRD和N2-吸脱附等分......
介绍了烯烃经羰化反应合成醛，醇，羧酸的方法及工艺流程，详细叙述了羰化合的在精细化工领域的应用，分析了国内羰化合成情况，建议国内应采......
以固定流化床研究了不同磷含量改性的ZSM-5分子筛对混合C4烯烃催化裂解性能的影响,并以适当磷含量的催化剂进行了工艺条件试验.试......
烯烃和环烷烃是催化裂化原料中常见的两种分子类型,对这两类分子反应特点和反应规律的研究对于深入认识催化裂化反应具有重要意义......
文章介绍了洛阳石油化工工程公司炼制研究所开发的LAP降低催化裂化烯烃助剂在北海石化厂的工业应用。结果证实了LAP助剂具有良好的......
介绍金属配合物催化法合成超高分子量的、非结晶的聚烯烃的方法以及基本性质.讨论了催化剂用量、温度、时间等因素对聚合物特性粘......
阐述了α - 烯烃生产技术的进展以及国内外市场现状和前景展望....
到在不同反应条件下面的石蜡(MTO ) 的甲醇的变换试验性地在不同催化剂上被调查，并且比较在 SAPO-34and GOR-MLC 催化剂之间被做。......
The researchers at the Xiamen University have developed a designated bifunctional catalyst that contains some active com......
