摘要:
The present invention provides an improved process for the selective hydroxylation of benzene. The process provides a direct single step selective vapor phase hydroxylation of benzene to phenol using molecular oxygen (air) over Cu—Cr oxide catalysts. The process provides benzene conversion of 10 to 45% and selectivity for phenol up to 100%.
摘要:
The present invention provides a process and catalyst for the autothermal and dry reforming of methane to produce syngas. The process provides a direct single step gas phase reforming of methane or natural gas to syngas over Ni—Pt supported nanocrystalline ZrO2. The process provides methane conversion of 54-99% with H2/CO ratio of 1.14 to 1.42 (mol %) in the temperature range of 250 to 750 800° C. at atmospheric pressure.
摘要:
The present invention provides an improved process for the preparation of phosphorous containing mesoporous alumina catalyst for selective dehydration of methanol to dimethyl ether. The process provides a single step selective vapor phase dehydration of methanol to produce dimethyl ether over phosphorous containing mesoporous alumina (P/Al2O3) catalyst at a temperature in the range of 150-350° C. The process provides methanol conversion of 45-100% with a selectivity of the DME up to 100%.
摘要翻译:本发明提供了一种制备用于将甲醇选择性脱水成二甲醚的含磷介孔氧化铝催化剂的改进方法。 该方法在150-350℃的温度范围内,通过在含磷介孔氧化铝(P / Al 2 O 3)催化剂上提供甲醇单步选择气相脱水生产二甲醚。该方法提供甲醇转化率为45-100% DME的选择性高达100%。
摘要:
The present invention provides a process for the preparation of Cu—Cr oxides by hydrothermal synthesis method using hydrazine as a reducing agent and cetyltrimethylammonium bromide as a surfactant and these oxides are very active for selective oxidation of benzene, toluene and ethylbenzene to produce phenol, benzaldehyde and acetophenone, respectively.
摘要:
The present invention provides a process for the preparation of Cu—Cr oxides by hydrothermal synthesis method using hydrazine as a reducing agent and cetyltrimethylammonium bromide as a surfactant and these oxides are very active for selective oxidation of benzene, toluene and ethylbenzene to produce phenol, benzaldehyde and acetophenone, respectively.
摘要:
The present invention provides a catalyst and a process for the selective oxidation of carbon monoxide (CO) to produce carbon dioxide gas (CO2). The process provides a process which selectively oxidizes CO to CO2 in presence of excess hydrogen. The process provides a selective oxidation of CO to CO2 gas over Cu/CeO2 catalyst between temperature range 40° C. to 90° C. at atmospheric pressure in presence of excess H2, H2O and CO2. The process provides a CO conversion up to 100% without deactivation till 100 h.
摘要:
The present invention provides a process and catalyst for the direct and selective conversion of ethane to ethylene. The process provides a direct single step vapor phase selective dehydrogenation/oxidative dehydrogenation of ethane to ethylene over Mo supported nanocrystalline TiO2. The process provides ethane conversion of 65-96% and selectivity of ethylene up to 100%. The process may be conducted in the presence or absence of oxygen.
摘要:
The present invention provides a process and catalyst for the autothermal and dry reforming of methane to produce syngas. The process provides a direct single step gas phase reforming of methane or natural gas to syngas over Ni—Pt supported nanocrystalline ZrO2. The process provides methane conversion of 54-99% with H2/CO ratio of 1.14 to 1.42 (mol %) in the temperature range of 250 to 750 800° C. at atmospheric pressure.
摘要:
The present invention provides a process and a solid catalyst for oxydehydration of glycerol to acrylic acid with H2O2 under mild experimental condition at atmospheric pressure. The process provides a single step liquid phase selective oxidation glycerol to acrylic acid over nanocrystalline Cu supported α-MnO2 catalyst. The process provides glycerol conversion of 20-78% and selectivity of acrylic acid up to 86%.
摘要翻译:本发明提供了一种在大气压下在温和的实验条件下将甘油氧化成丙烯酸与H 2 O 2的方法和固体催化剂。 该方法提供单相液相选择性氧化甘油至丙烯酸超过纳米晶体负载的α-MnO2催化剂。 该方法提供20-78%的甘油转化率和高达86%丙烯酸的选择性。
摘要:
The present invention provides a Ni—Zr oxide catalyst and a process for the preparation of the catalyst. The invention further provides use of the catalyst for the production of synthesis gas (a mixture of CO and H2) by Tri-reforming of methane. The process provides a direct single step selective vapor phase partial oxidation of methane to synthesis gas over Ni—ZrO2 catalyst between temperature range of 600° C. to 800° C. at atmospheric pressure. The process provides a methane conversion of 1-99% with H2 to CO mole ratio of 1.6 to 2.2.