Indian Oil Corporation Limited

Arumugam Velayutham Karthikeyani

Mohan Prabhu Kuvettu

Biswanath Sarkar

Balaiah Swamy

Brijesh Kumar

Alex Cheru Pulikottil

Santanam Rajagopal

Velusamy Chidambaram

Pankaj Kumar Kasliwal

Kumaresan Loganathan

Sankara Sri Venkata Ramakumar

Mahesh Kadgaonkar

Madhusudan Sau

Debasis Bhattacharyya

Ravinder Kumar Malhotra

Biswapriya Das

Ram Mohan Thakur

Gadari Saidulu

Jayaraj Christopher

Gurpreet Singh Kapur

Sanjiv Kumar Mazumdar

Sobhan Ghosh

Satish Makhija

Shiba Prasad Choudhury

Latoor Lal Saroya

Asit Kumar Das

Sukumar Mandal

Satyen Kumar Das

Jagdev Kumar Dixit

Kamlesh Gupta

Ganga Shanker Mishra

Mitra Bhanu Patel

Brijesh Kumar Verma

Gopal Ravichandran

Sanjay Kumar Ray

Niranjan Raghunath Raje

Venkatachalam Krishnan

Vineeth Venu Nath

Manoranjan Santra

Sadhullah Mukthiyar

Hima Bindu Doosa

Marri Rama Rao

Veena Rani Bansal

Mani Karthikeyan

Arvind Pratap Singh

Ashok Kumar Tiwari

Kuvettu Mohan Prabhu

Arvind Wamandas Mahant

Sudhir Kumar Pande

Ganga Shankar Mishra

Manish Agarwal

Bandaru Venkata Hari Prasad Gupta

Sudipta Roy

Bandaru Venkata Hariprasadgupta

Venkatchalam Krishnan

Shikha Saluja

Ganga Sanker Mishra

Vibhav Pandey

Kumar Brijesh

Satayen Kumar Das

Bandaru Venkata Hari P Gupta

Ramakrishnan Ramanarayanan

Konduri Lakshminarayana

Vinod Ramchandra Upadhyay

Deepa Meghavathu

Wadharwa Ram Kalsi

Jai Prakash Singh

Bandaru Venkata Gupta

Pankaj Kasliwal

A process for conversion of hydrocarbon feedstock into lighter olefins of Cto Ccarbons, the process comprising of cracking the hydrocarbon feedstock in a reactor in the presence of a catalyst. The catalyst for short contact time catalytic cracking process of heavy hydrocarbons having contact time less than 1 second to produce light olefins of Cto Ccarbon in the range of 40 to 60 wt % on fresh feed basis in a fluidized bed reactor which is concentric downflow reactor in presence of catalyst consisting of ultra-stable Y zeolite in the range of 5-10 wt %, 4 to 8 wt % of pentasil zeolite, 2.5-5 wt % of bottom selective material, 0.5-2 wt % of rare earth and 75-88 wt % of support material.

Production of high yields of light olefins from heavy hydrocarbons

The present invention provides a catalyst composition for the production of olefins from lighter alkanes by oxidative dehydrogenation route and methods of making the dehydrogenation catalyst composites.

Catalyst composition for oxidative dehydrogenation of alkane

This invention relates to an additive capable of increasing the gasoline octane (by 2-3 units) with minimum loss of gasoline. More specifically, the present invention discloses a fluid catalytic cracking additive composition capable of enhancing gasoline octane, said composition comprising 5-50 wt. % zeolite component, 0-15 wt % alumina, 5-20 wt % colloidal silica, 10-60 wt % kaolin clay, 5-15 wt % phosphate, and 0.1 to 5.0 wt. % of bivalent metal selected from Group-IIA or Group-IB, wherein the zeolite component comprises of medium pore pentasil zeolite in an amount of 1 to 50 wt. % and said zeolite consists of one or more MFI topology zeolite having SiO/AlOmole ratio in the range of 10-280. The present invention also discloses a process for preparation of the additive.

Fluid catalytic cracking additive composition for enhancing gasoline octane barrel and a process of preparation thereof

The present invention relates to catalyst product, a method of making a catalyst and its use in fluid catalytic conversion process. In particular, this invention relates to a process for the preparation of CO-combustion promoter microspheres, comprising a large crystallite low surface area alumina; a composite binder comprising nano-crystallite alumina and dispersant; and platinum or palladium or both. The large crystallite low surface area alumina is bound together by the composite binder in the said particulate composition.

Nano-crystallite binder based CO combustion promoter

The present invention provides a catalyst composition comprising rare earth exchanged USY zeolite (REUSY); pentasil zeolite; phosphorous compound; clay, silica, alumina, and spinel to enhance the catalytic activity and selectivity for light olefins in FCC operation conditions. The present invention also provides a process for the preparation of Light olefin enhancing catalyst composition with high propylene yield and coke selectivity.

Catalyst composition for enhancing yield of olefins in fluid catalytic cracking process (FCC)

The present invention relates to an improved CuAlOspinel based catalyst additive composition having bi-modal pore size for improving gasoline sulfur removal activity by maintaining high gasoline selectivity and maintaining research octane number (RON) while cracking heavier hydrocarbon feedstocks in the fluid catalytic cracking unit. More particularly, present invention relates to a gasoline sulfur reduction (GSR) additive comprising copper aluminate spinel, acidic alumina matrix; and clay, wherein the additive having bimodal pore distribution. Present invention also relates to a process for preparing the gasoline sulfur reduction (GSR) additive.

Catalyst additive composition for reduction of sulfur in gasoline

The present invention relates to a catalyst product for cracking of heavy hydrocarbon feed stocks predominantly in to light olefins and processes for preparing the catalyst. More specifically the present invention relates to a process of preparing Fluidic Catalytic Cracking (FCC) catalyst additive composition. The FCC catalyst additive composition of the present invention is a LPG selective catalyst particles comprising a medium pore zeolite bonded with clay-phosphate-silica-alumina binder. The catalyst of the present invention exhibits improved selectivity towards high value components like propylene and gasoline and suppressing low value components like dry gas and bottoms.

Process and composition for preparation of cracking catalyst suitable for enhancing LPG

The present invention relates to a fluid catalytic cracking additive composition for cracking of heavy hydrocarbon feed stocks and process for preparing the additive. The additive is suitable for enhancing yields of light olefins such as propylene, isobutylene, LPG and reduces the bottom yields. The invention specifically relates to a fluid catalytic cracking additive composition comprising a pentasil zeolite, zeolites having pore size in a range of 5.4-7.7 &#x212b;, alumina, colloidal silica, kaolin clay, and phosphate, wherein the zeolites having pore size in the range of 5.4-7.7 &#x212b; is present in an amount of 1 to 10 wt % with respect to the total amount of the pentasil zeolite and zeolite having the pore size in the range of 5.4-7.7 &#x212b;.

Composition and process for preparation of cracking catalyst suitable for enhancing yields of light olefins

The invention relates to a CO oxidation promoter additive and a method of its preparation. The CO oxidation promoter additive is having improved apparent bulk density and attrition properties for use in hydrocarbon conversion during fluid catalytic cracking. The CO oxidation promoter additive has a better CO to COconversion.

CO oxidation promoter and a process for the preparation thereof

The present invention relates to a composition of attrition resistant attrition resistant catalyst particularly for FCC catalyst additives such as ZSM-5, bottom cracking additive/residue upgradation additive and GSR additive comprising aluminum phosphate binder wherein said binder comprising of 1.5 to 2.9 moles equivalent of monobasic acid for each mole of mono-aluminum phosphate (MAP). Further, the aluminum phosphate binder is added to the catalyst additive to ensure effective binding of catalyst as well as preserving catalyst activity with high selectivity towards light olefins including LPG.

Composition and a process for preparation of attrition resistant cracking catalyst suitable for enhancing light olefins

The present invention relates to attrition resistant hydrocarbon cracking catalyst additive composition comprising aluminum phosphate binder for cracking of hydrocarbon molecules to produce light olefins and process of preparation thereof. The present invention further relates to the process of preparation of the aluminum phosphate binder wherein said binder is incorporated into the ZSM-5 additive composition to enhance its attrition resistance property as well as enhance selectivity and activity of additive composition for production of light olefins such as liquefied petroleum gas (LPG).

Composition and process for preparation of attrition resistant additive suitable for cracking hydrocarbon feed

The present invention provides a catalyst composition for use in a catalytic cracking process, said catalyst composition comprises 3.5 to 15.5% of pentasil zeolite, 9 to 40% of ultra-stable Y (USY) or rare earth exchanged USY (REUSY) zeolite, 3.5 to 15% of large pore active matrix based bottom up gradation component and 0.3 to 3% of a metal trap component, the percentage being based on weight of the catalyst composition. The present invention also provides a process for preparing the said catalyst composition and a catalytic cracking process comprising contacting the said catalyst composition with a feedstock.

Catalyst composition for fluid catalytic cracking, process for preparing the same and use thereof

The present invention relates to a catalyst additive composition suitable for fluid cracking, riser cracking and fixed bed cracking with reduction in bottom and coke, wherein the aluminosilicate and silica-alumina is generated in situ from added clay and silica. The present invention is also directed towards the preparation of the said catalyst additive composition. The invention also discloses a process for cracking of heavy hydrocarbons using the said catalyst additive.

Catalyst additive composition for catalytic cracking and a process of preparation thereof

The present invention provides a process and a system for coking and simultaneous upgrading of a heavy hydrocarbon feedstock. More particularly the present invention relates to a process of cracking heavy hydrocarbon feedstock employing high heat carrier, incorporated with weak acid sites for improving the liquid yield and reducing coke yield. The feedstock is vaporized and brought in contact with a heat carrier material to produce a product stream and separating the product stream from the particulate heat carrier, regeneration of the particulate heat carrier to the extent of 10-30% and collecting a gaseous and liquid product from the product stream.

Process and a system for enhancing liquid yield of heavy hydrocarbon feedstock

Disclosed herein is an improved fluidized catalytic cracking process for converting normally liquid hydrocarbon feedstock with simultaneous reduction of sulfur content in the liquid products obtained therefrom which comprises carrying out the cracking process in the presence of carbon monoxide gas as a reducing agent. The process optionally includes a step of premixing the hydrocarbon feedstock with carbon monoxide gas causing major sulfur reduction before effecting the cracking. The premixing is done in a specified nozzle assembly linked to the FCC unit.

Process for reduction of sulfur in FCC liquid products through the use of carbon monoxide as a reducing agent

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Faridabad, India

Arumugam Velayutham Karthikeyani