甲苯氧化
- 网络toluene oxidation
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甲苯氧化产物苯甲醇、苯甲醛和苯甲酸均是有机合成工业中的重要中间体,广泛的应用于农药、香料、医药、染料等领域。
The toluene oxidation products , such as benzyl alcohol , benzaldehyde and benzoic acid , are important intermidiates in organic synthesis industry and widely used in pesticides , perfumes , pharmaceuticals , dyes industry and so on .
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超(近)临界流体中甲苯氧化成苯甲醛
Toluene oxidation to benzaldehyde in supercritical ( subcritical ) fluids
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V2O5-Ag2O/η-Al2O3催化剂上甲苯氧化制苯甲醛的研究
Study on V_2O_5-Ag_2O / η - Al_2O_3 Catalysts for Oxidation of Toluene to Benzaldehyde
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以Mn(Ⅲ)为氧化媒质,采用槽外式间接电合成法将对氟甲苯氧化成对氟苯甲醛,产率为765%。
Using Mn (ⅲ) as the medium of oxidation p fluorotoluene was oxidized to p fluorobenzaldehyde in 76.5 % yield .
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甲苯氧化制苯甲醛的Fe-Mo系催化剂的穆斯堡尔谱及差示扫描量热法等研究
Mossbauer spectroscopy and DSC study of Fe-Mo catalysts for oxidation of toluene to Benzaldehyde
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报道了以N–羟基邻苯二甲酰亚胺(NHPI)/过渡金属为催化剂,乙酸为反应介质,氧气为氧化剂,催化甲苯氧化。
Oxidation of toluene catalyzed by N – hydroxyphthalimide ( NHPI ) / transitions metals with molecular oxygen in the acetic acid reaction medium was reported .
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La-OMS-2催化剂催化甲苯氧化制苯甲醛
Selective Oxidation of Toluene to Benzaldehyde over La-OMS-2 Catalyst
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VAPO-11分子筛的合成及甲苯氧化性能
Synthesis of VAPO-11 for Selective Oxidation of Toluene
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并研究了负载型Ce-Cr、Ce-Cr-Mn等复合氧化物催化剂对丙酮、正丁胺、甲苯氧化反应的活性。
The activity of Ce-Cr , Ce-Cr-Ma , etc. complex oxide supported catalysts for the oxidation of acetone , butylamine and toluene was studied .
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甲苯氧化制苯酚工艺及经济评价
Process of phenol production by toluene oxidation and its economic evaluation
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甲苯氧化制苯甲酸的新催化体系
A Novel Catalyst System for the Oxidation of Toluene to Benzoic Acid
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甲苯氧化成苯甲醛催化剂的合成与反应性能
Catalytic Reaction Properties and Synthesis of Catalysts for Oxidizing Toluene to Benzaldehyde
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近临界水中甲苯氧化成苯甲醛的工艺研究
Study on the Toluene Oxidation to Benzaldehyde in Subcritical Water
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甲苯氧化甲基化生产苯乙烯的研究进展
Research progress of styrene production by oxidative methylation of toluene
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高负荷生产甲苯氧化反应的探讨
Discussion on Oxidation Reaction of Toluene in High-rate Production
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NHPI/过渡金属催化甲苯氧化制苯甲酸
Oxidation of toluene catalyzed by NHPI / transition metals
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气相色谱法测定甲苯氧化产物中的甲苯及苯甲醛
Determination of Toluene and Benzaldehyde From Oxidation of Toluene to Benzaldehyde by Gas Chromatography
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在苯酚的众多合成方法中,甲苯氧化法显示出优势和潜力。
Among its many synthetic methods , the means by toluene oxidation has gained superiority and potential for development .
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而用溶胶-凝胶法制备的催化剂在甲苯氧化中的活性高于传统的浸渍法制得的催化剂。
And the catalysts prepared by sol-gel method performed better than the ones prepared by traditional impregnation method for toluene oxidation .
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论文旨在液相条件下,以分子氧为氧化剂,使用固体催化剂对甲苯氧化反应进行研究。
In this work , study on development efficient heterogeneous catalyst for the oxidation of toluene using molecular oxygen as oxidant in liquid phase was carried out .
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目前,甲苯氧化常用的工艺是甲苯液相空气催化氧化法,该工艺具有环境友好、反应条件温和、安全性好等优点。
At present , the liquid-phase oxidation of toluene by air is the commonly used process , which is environmentally friendly for its mild reaction conditions and good security .
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采用内标法定量,能准确测定混和氯甲苯氧化过程中的氯代苯甲酸异构体的含量,回收率达92%以上,变异系数小于3.6%。
The contents of chlorobenzoic acids isomers could been accurately quantified through internal standard , and the recovery was more than 92 percent , and RSD less than 3.6 percent .
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通过对甲苯氧化过程合理分析,提出反应网络及动力学模型,根据实验动力学数据计算出反应级数、指前因子和活化能。
At the base of reasonable analysis of the toluene oxidation process , a reaction network and kinetic model are built . The reaction order , pre-exponential factor and activation energy are calculated according to experimental kinetic data .
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不仅使间接电氧化工艺中的电解与氧化两个阶段保持了酸浓度的一致,而且使电解过程的电流效率增加了13.22%左右,甲苯氧化反应的苯甲醛产率增加了6.67%左右。
The above conditions not only make the two stages of electrolysis and oxidation in good agreement with acid concentration , but also increase the current efficiency by about 13.22 % and benzaldehyde yield by about 6.67 % .
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介绍了甲苯氧化制苯酚的原理和工艺,并对该工艺进行了经济分析,结果表明:该工艺不仅可以合理地利用滞销的甲苯,而且流程简单,产品成本低,具有广阔的前景。
The principle and process of phenol production by toluene oxidation are introduced . The economic analysis indicates that this process not only can rationally utilize unmarketable toluene , but also is simple , with a low product cost and bright prospect .
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V2O5基多元催化剂的表面酸性与均四甲苯催化氧化选择性和活性的关系
Relationship of Surface Activity of V_2O_5-Based Catalysts with Selectivity and Activity in Catalytic Oxidation of Durene
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V2O5K2SO4/CFG对甲苯选择氧化的催化性能及表征
Catalytic performance and characterization of v_2o_5k_2so_4 / cfg for selective oxidation of toluene
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甲苯完全氧化反应中含铬催化剂的TPR研究
TPR studies on the deactivation of Cr-containing catalyst in the full oxidation of toluene
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相对于CuO/Al2O3催化剂,添加Ce后的CuO-CeO2/Al2O3催化剂对甲苯催化氧化的起燃温度和完全转化温度均有明显的降低。
Compared with CuO / Al2O3 catalyst , CuO-CeO2 / Al2O3 catalyst which was added with Ce had lower initial combustion temperature and complete oxidation .
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VPO催化剂制备条件对其催化甲苯氨氧化反应性能的影响
Effect of Preparation Conditions on Catalytic Performance of VPO Catalyst for Toluene Ammoxidation