dimethylether相关论文
Importance of metal location in M-H zeolite for synergistically catalyzing dimethyl ether carbonylat
Mordenite (MOR) has shown great potential to catalyze dimethyl ether (DME) carbonylation to methyl acetate (MA) in indus......
The combustion of ammonia (NH3) has attracted wide interest in fuel vehicle engines,marine engines,and power generators ......
Ordered mesoporous copper incorporated Al2O3 (Cu/Al2O3) with high Cu dispersion were prepared by a facile solution combu......
Effect of Cr promoter on performance of steam reforming of dimethyl ether in a metal foam micro-reac
The CuZnAlX/HZSM-5 (X=Cr,Zr,Co,Ce) catalyst prepared by co-precipitation and then mechanically mixed with HZSM-5 was use......
Effect of Cu-Zn-Al-Cr/HZSM-5 on hydrogen production from steam reforming of dimethyl ether in a meta
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Technical analysis and process comparison of the production of dimethyl ether and Fischer-Tropschfue
A synthesis process is designed and introduced for the conversion of 1.0t/h lignocellulosic biomass to dimethyl ether(DM......
Steam reforming of dimethyl ether over a novel anodic alumina supported copper bi-functional catalys
A novel porous alumina monolith was prepared by the anodization method.The catalytic performance of alumina for dimethyl......
In this research,the dewatering of sewage sludge by dimethyl ether was studied under different dewatering time and lique......
Highly Efficient synthesis of dimethyl ether from methanol in a bi-functional zeolite membrane catal
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Light olefins (C2-C4 olefins) are the most important basic carbon-based building blocks, which are mainly produced from ......
Supported Pd catalysts with varied Pd loadings (x =0.5 wt%,2.0 wt%,5.0 wt%,7.5 wt%,15.0 wt%) were prepared by the incipient w......
介绍了环氧乙烷、乙二醇技术的进展,总结了国内外合成乙二技术研究、开发的最新成果:合成气直接合成法、甲醛电化学加氢二聚法、甲醇......
以二氧化碳为原料,加氢催化制甲醇和二甲醚具有重要的社会经济意义.研究采用CNJ202合成甲醇催化剂和HZSM-5沸石分子筛制得了二氧化......
研究温度(240~380℃)、压力(0.1 ̄0.2MPa)、空速(1 ̄10ml/g·h)、原料组成(CH3OH100% ̄50%)对甲醇脱水生成二甲醚转化率的影响及其对工业生产的操作条件的指导意义。......
以γ-Al2O3为载体,用浸渍法制备的负载型杂多酸催化剂用于甲醇缩合制二甲醚;用IR研究了不同温度下催化剂的表面酸类型,结果表明,催化剂表面存在......
考察了负载型MoOx和VOx催化剂上二甲醚选择氧化制甲醛反应的性能.结果表明,两类催化剂在低温(240~320℃)下都具有良好的催化性能,VOx催......
综述了二甲醚的生产技术及作为机动车和城乡燃料开发的前景...
分析了二甲醚(DME)的特点,将DME、LPG及添加剂复合优化,增加了复合燃料的含氧量,提高了复合燃料的辛烷值.经台架、道路、排放性能......
在一台2135直喷柴油机上,对燃油供给系统进行了适当的改造,测试了燃用二甲醚发动机的燃料喷射时刻、气缸压力和有害排放,计算分析......
应用气相色谱法,采用Porapak T填充色说柱,注相直接进样和液相外标,FID检测器,测定了高纯二甲醚中的微量甲醇,其相对标准偏差〈±6%,加标回收率为......
以Cu-Mn为主要活性组分,以锌、铬、钨、钼、铁、钴、镍等为助催化剂,采用共浸渍法,将铜、锰等直接负载在氧化铝上,获得了一种新型的负......
通过建立二甲醚发动机燃烧模型并耦合入KIVA程序中,使其具有二甲醚发动机燃烧过程的数值模拟能力.用数值模拟仿真计算二甲醚发动机燃......
用冰冷却水吸收二甲醚配制样品,将TCD和FID串联使用,测定出二甲醚在TCD和FID上相对于甲醇的重量校正因子分别国0.86和0.55,并通过用甲醇催化脱不生成的二甲......
本文对716例皮肤和粘膜海棉状血管瘤患者共796个病灶的好发部位、发病时间、患者管瘤个数以及^198Au胶体瘤体内间质注射治疗的疗效进行统计学分......
在反应温度为260 ̄300℃,反应压力为3.0 ̄5.0MPa,进料空速为4000 ̄7000ml/(g·h)范围内,研究了浆态床CO加氢制二甲醚过程中工艺条件对双功能催化剂的性能的影响。在260 ̄280℃温度......
介绍了国内外醚类含氧化物生产技术进展,重点论述了MTBE生产的新型催化剂和工艺技术。......
利用进气预混合二甲醚(DME)在缸内早燃形成的热氛围,研究了不同甲醇浓度下喷射时刻对缸内直喷甲醇热氛围燃烧的影响,结果表明:醇燃料在......
二甲醚(DME)是重要的化工原料,可用于许多精细化学品的合成,还可以作为合成汽油和烯烃的中间体;同时二甲醚在制药、燃料、农药等化学工业中......
用压力微反装置评价甲醇脱水生成二甲醚沸石催化剂的活性,用XRD,2400吸附仪和NH3-TPD研究沸石催化剂的结构及表面酸性,试验结果表明,沸石表面的强酸中......
Surface Acidic Properties of Loaded Heteropoly Acid and Preparation of Dimethylether by Catalyzed De
SurfaceAcidicPropertiesofLoadedHeteropolyAcidandPreparationofDimethyletherbyCatalyzedDehydrationofMethylAlcohol*HUARui-nian,W.........
以HZSM-5分子筛与铜基甲醇合成催化剂组成复合催化剂用于从合成气制二甲醚,以HZSM-分子筛替代γ-Al2O3作脱水催化剂可降低复合催化剂的活性温度。在250 ̄260℃......
简要介绍了合成气制二甲醚的原理,工艺流程,双功能催化剂以及近年来的发展状况。...