To be studied the preparation technology of benzylalcohol from benzyl benzoate in high yield, The relation of the amount of NaoH, the amount of water, the time, the temprature on the yield of benzylalcohol are discussed, The method of improving benzylalcohol yield were determinded, The highest yield of the benzylalcohol is 90%.

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The domestic demand of acetic acid up to 1,440,000-1,620,000 tons can be anticipated in 2010, if 60% is produced by methanol, 520,000 tons of methanol will be consumed;③Methanol can be used as feedstock to directly produce various pesticides ,such as fenitrothion, omethoate, dipterex etc., we anticipate that approximately 340,000 tons of methanol will be used to produce pesticides in 2010.④ Various medicines use methanol as feedstock, such as sulfanilamide, vitamin B6 etc., we anticipate that approximately 180,000 tons of methanol will be used to produce medicines in 2010.⑤ In the duration of dye production, methanol can be used as feedstock or solvent, such as s carlet base RC, disperse red GLZ, phthalocyanin ⑥ Synthetic resin also need methanol as feedstock such as organic glass, we anticipate that about 70,000 tons of methanol will be used to produce synthetic resin and plastics in 2010;⑦Synthetic fibers and synthetic rubber industry, will use methanol about 800,000 tons in 2010;⑧ At present, the production of MTBE is increase rapidly, there are 27 set of plants, total production capacity is 620,000 tons every year, and the demand is about 800,000 tons, there is gap between demand and supply.

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For Texaco water gas,the methanol synthesis is based on formyl route under high concentration of CO(15%-16% in volume).

認(rèn)為合成甲醇在相同的工藝操作條件下中国AV黄色网站在线看，由于反應(yīng)氣體成分的不同，造成了反應(yīng)途徑的區(qū)別深夜影院爱爱，即焦?fàn)t氣制甲醇在高CO2的條件下(體積分?jǐn)?shù)6%～9%)精品国产欧美日韩综合一区，甲醇合成反應(yīng)主要是以甲酰基途徑合成中文字幕在线播放第5页一区二区；徳士古水煤氣制甲醇在高CO條件下(體積分?jǐn)?shù)15%～16%)黄色网站视频床上插进去，甲醇合成反應(yīng)主要是以甲酸基途徑合成。

Secondly,a mixture of acetone and methyl formate was added into the methanol solution of sodium methoxide to prepare sodium formyl acetone by Claisen reaction.

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Its commercial technologic processes and products,such as Acetic Acid Production by Carbonylation of Methanol,Formyl Morpholine,Steam Reforming Catalyst,Low Pressure Methanol Synthesis,Dimethyl Formamide Production by Dehydrogenation of Methanol,Dimethyl Ether Synthesis by Methanol Dehydration,Hydrogen Production by Methanol Cracking,Methanol Synthesis Catalyst,PSA Gas Separation Devices, and etc.,have been applied in more than 800 plants over fields including chemical industry,petrochemical,food, metallurgy,machinery,military industry.Many technological products were exported to American,European,Asian countries as well as Hong Kong,Macao and Taiwan.Remarkable economic and social benefits are achieved.

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It is shown that the methanol dimer and methanol cluster are the predominant species of methanol in gaseousness. So we believe that rather the methanol dimer is the original reactant of the methanol dehydration reaction to dimethyl ether than the mono-methanol.

研究表明，在氣相中免费操人的网站，甲醇分子主要以二聚體和多聚體的形式存在日韩wuma，據(jù)此提出甲醇脫水反應(yīng)的原始反應(yīng)物是甲醇二聚體，而不是單個(gè)甲醇分子国产人成视频WWW。

Kinetics of methanol dehydration to dimethyl ether on modified kaolin catalyst was studied in an integral reactor under normal pressure. It is deduced that the surface reaction of methanol molecule adsorbed on the active site of catalyst with methanol molecule in gas phase is the rate determining step. The hyperbolic type kinetic equation r=ksbMpM2/(1+bMpM+bpE) is obtained according to the theory of langmuir even adsorption and using the R-E mechanism.

采用積分反應(yīng)器强奸视频的网站，考察了常壓下在改性高嶺土催化劑上甲醇脫水生成二甲醚的反應(yīng)動(dòng)力學(xué)，根據(jù)Langmuir均勻吸附理論欧美日韩一区二区综合另类，采用R-E機(jī)理天堂啊啊啊爽爽，推斷吸附的甲醇分子與氣相主體中的甲醇分子發(fā)生的表面反應(yīng)為速率控制步驟，得到雙曲線型動(dòng)力學(xué)方程為： r= ksbMpM2 /(1+bMpM+bpE)（r為反應(yīng)速率欧美特级黄片在线播放， ks為反應(yīng)速率常數(shù)www.淫荡.com， bM為甲醇的吸附平衡常數(shù)， b為二甲醚和水的吸附平衡常數(shù)之和免费一级高清无码亚洲特黄片， pM免费观看WW红色片三级片、 pE分別為甲醇、二甲醚的分壓）中文字幕一级黄片。

Several kinds of important downstream products of methanol are introduced,such as formaldehyde,methylformate,methylamine,and so on.

介紹了甲醇的幾種重要的下游產(chǎn)品欧美日韩国产一级一片，如甲醛、甲酸甲酯亚洲熟妇日本分类、甲胺等在线黄网AV，提出應(yīng)大力生產(chǎn)和發(fā)展甲醇下游產(chǎn)品，并進(jìn)一步拓寬甲醇的應(yīng)用領(lǐng)域黄A毛A片，加快甲醇應(yīng)用新技術(shù)的開發(fā)工作老妇人黄色片。

The method on trans fatty acids analysis in food is very important. The effects of methylate sodium, potassium hydroxide, sulfuric acid and boron trifluoride in methanol and their different concentration and dosage on TFA analysis were studied. The chromatographic condition and the influence of time and temperature on the esterifation of TFA using boron trifluoride in methanol were optimized. A method for analyzing TFA were established by GC based on boron trifluoride in methanol and RT-2560(100m×0.25mm×0.2μm) capillary column.

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Given the current complexity of industrial recovery of 3'-methyl-2'-butenyl 3, 3-dimethyl-pentenoate and the decomposition problems with 2-methyl-1-butene, research was conducted on a process for direct recycling of MBDP involving an ester exchange reaction of MBDP with either methanol, trimethyl orthoacetate, or solutions of methanol and trimethyl orthoacetate.

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