Council of Scientific and Industrial Research

Rajaram Bal

Chandrashekar Pendem

Rajib Kumar Singha

Ankur Bordoloi

Bipul Sarkar

Shilpi Ghosh

Shubhra Acharyya Shankha

Laxmi Narayan Sivakumar Konathala

Reena Goyal

Manoj Kumar

Subhasis Das

Sandeep Saran

Madhukar Onkarnath Garg

Shankha Shubhra Acharyya

Kumar Jagdish

Vemulapalli Venkata Durga Nagendra Prasad

Neelam Naidu Botcha

Chandrasekhar Pendem

Shubhra Acharyya Shanka

Karan Singh Rawat

Laxmi Narayan Siva Kumar Konathala

Chandrasheka R Pendem

Sivakumar Konathala Laxmi Narayan

The present invention provides a Ni&#x2014;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 H) by Tri-reforming of methane. The process provides a direct single step selective vapor phase partial oxidation of methane to synthesis gas over Ni&#x2014;ZrOcatalyst between temperature range of 600&#xb0; C. to 800&#xb0; C. at atmospheric pressure. The process provides a methane conversion of 1-99% with Hto CO mole ratio of 1.6 to 2.2.

Nano Ni&#x2014;Zr oxide catalyst for activation of methane by tri-reforming and a process for the preparation thereof

The present invention provides a catalyst and a process for the selective oxidation of carbon monoxide (CO) to produce carbon dioxide gas (CO). The process provides a process which selectively oxidizes CO to COin presence of excess hydrogen. The process provides a selective oxidation of CO to COgas over Cu/CeOcatalyst between temperature range 40&#xb0; C. to 90&#xb0; C. at atmospheric pressure in presence of excess H, HO and CO. The process provides a CO conversion up to 100% without deactivation till 100 h.

Catalyst for carbon monoxide oxidation and process for the preparation thereof

The present invention provides a process and catalyst for the production of synthesis gas (a mixture of CO and H) by reforming of methane with carbon dioxide. The process provides a direct single step selective vapor phase dry reforming of methane with carbon dioxide to produce synthesis gas over Ni&#x2014;MgO&#x2014;ZnO catalyst between temperature range of 600&#xb0; C. to 800&#xb0; C. at 1 atmospheric pressure. The process provides a methane conversion of 5-95% with Hto CO mole ratio of 0.83-1.2.

Ni&#x2014;MgO&#x2014;ZnO solid catalysts for syngas preparation and process for the preparation thereof

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 TiO. 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.

Catalyst for selective dehydrogenation / oxidative dehydrogenation reactions and process for the preparation thereof

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&#x2014;Pt supported nanocrystalline ZrO. The process provides methane conversion of 54-99% with H/CO ratio of 1.14 to 1.42 (mol %) in the temperature range of 250 to 750 800&#xb0; C. at atmospheric pressure.

Ni&#x2014;Pt&#x2014;ZrO2 nanocrystalline oxide catalyst and process thereof useful for the production of syngas by combining oxy-dry reforming of natural gas

The present invention provides a Ni nano-cluster supported on MgO&#x2014;CeO&#x2014;ZrOcatalyst and processes the production of the catalyst. Further, the present invention discloses use of Ni nano-cluster supported on MgO&#x2014;CeO&#x2014;ZrOcatalyst for the synthesis gas (a mixture of CO and H) by tri-reforming of methane. The process provides a direct single step selective vapor phase tri-reforming of methane to synthesis gas over NiO&#x2014;MgO&#x2014;CeO&#x2014;ZrOoxide catalyst between temperature range of 600&#xb0; C. to 800&#xb0; C. at atmospheric pressure. The process provides a methane conversion of 1-99% with Hto CO mole ratio of 1.6 to 2.3.

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The present invention provides a process and catalyst system for the production of synthesis gas (a mixture of CO and H) from greenhouse gases like methane and carbon di oxide. The process provide a single step selective reforming of methane with carbon dioxide to produce synthesis gas over Ce&#x2014;Ni&#x2014;MgAlOcatalyst prepared by using combination of two methods evaporation induced self-assembly and organic matrix combustion method. These suitably combined methods generate a unique catalyst system with very fine Ni nano clusters evenly dispersed in high surface area support. The process provides both Methane and carbon di oxide conversion more than 90% without any noticeable deactivation till 100 hours between temperature range of 500-800&#xb0; C. at atmospheric pressure.

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&#xb0; C. The process provides methanol conversion of 45-100% with a selectivity of the DME up to 100%.

Process for the preparation of phosphorous containing mesoporous alumina catalyst for selective dehydration of methanol to dimethyl ether

The present invention provides a process and a solid catalyst for oxydehydration of glycerol to acrylic acid with HOunder mild experimental condition at atmospheric pressure. The process provides a single step liquid phase selective oxidation glycerol to acrylic acid over nanocrystalline Cu supported &#x3b1;-MnOcatalyst. The process provides glycerol conversion of 20-78% and selectivity of acrylic acid up to 86%.

Catalyst for single step conversion of glycerol to acrylic acid and process for the preparation thereof

The present invention provides a coke resistant catalyst and process for sequestration of carbon dioxide via reforming of methane to synthesis gas (a mixture of CO and H). The process provides a direct single step selective vapor phase carbon dioxide reforming of methane to syngas over gadolinium promoted mesoporous Ni-ZSM catalyst. The process provides almost 11-95% conversion of methane with Hto CO ratio of 0.82 to 1.

Coke resistant solid catalyst, process for the preparation thereof and a process for vapour phase dry reforming of methane

The present invention provides a process for preparation of Ag&#x2014;W oxide catalyst for the direct and selective conversion of propylene to propylene oxide. The process provides a direct single step selective vapor phase oxidation of propylene to propylene oxide using molecular oxygen over Ag&#x2014;W oxide catalysts. The process provides propylene conversion of 10-50% and selectivity for propylene oxide up to 100%.

Process for preparation of Ag&#x2014;W oxide catalyst for the selective conversion of propylene to propylene oxide with molecular oxygen

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&#x2014;Cr oxide catalysts. The process provides benzene conversion of 10 to 45% and selectivity for phenol up to 100%.

Process for the selective hydroxylation of benzene with molecular oxygen

The present invention provides a process for the preparation of Cu&#x2014;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.

Growing community of inventors

Dehradun, India

Rajaram Bal