Indian Oil Corporation Limited

Indian Oil Company Ltd

Venkatachalam Krishnan

Satish Makhija

Mohan Prabhu Kuvettu

Sanjay Kumar Ray

Sobhan Ghosh

Debasis Bhattacharyya

Asit Kumar Das

Biswanath Sarkar

Gadari Saidulu

Gopal Ravichandran

Niranjan Raghunath Raje

Shiba Prasad Choudhury

Veena Rani Bansal

Gurpreet Singh Kapur

Sukumar Mandal

Satyen Kumar Das

Santanam Rajagopal

Ram Mohan Thakur

Arumugam Velayutham Karthikeyani

Satheesh Vetterkunnel Kumaran

Pankaj Kumar Kasliwal

Jayaraj Christopher

Manoranjan Santra

Kamlesh Gupta

Latoor Lal Saroya

Marri Rama Rao

Mitra Bhanu Patel

Ganga Shanker Mishra

Bidyut De

Arvind Pratap Singh

Ashok Kumar Tiwari

Bandaru Venkata Hari Prasad Gupta

Sudipta Roy

Deepa Megavathu

Satayen Kumar Das

Bandaru Venkata Hari P Gupta

Ramakrishnan Ramanarayanan

Konduri Lakshminarayana

Vinod Ramchandra Upadhyay

Deepa Meghavathu

Wadharwa Ram Kalsi

Gopal Ravi Chandran

Ganga Shankar Misra

Christopher J

Soban Ghosh

Kapil Arya

Pramod Kumar

The present subject matter relates to a feed nozzle assemblyfor atomizing a heavy hydrocarbon feed by mixing the hydrocarbon feed with a diluent and an atomizing media. The feed nozzle assemblyincludes at least one primary mixing chambersfor receiving the liquid hydrocarbon feed and the diluent to create a primary mixture. The primary mixture is than forwarded to a secondary mixing chamber. The secondary mixing chamber extends to a tertiary mixing chamber. A steam inletis provided to inject streams of steam to the secondary mixing chamberand to the tertiary mixing chamberthrough a first opening and a second opening, respectively, located within the steam inlet

Feed nozzle assembly

The present disclosure provides a ready-to-use seed composition water, a source of silica, a source of alumina, and Na0, wherein the molar ratio of H20:Na20 ranges from 5 to 20, Na20:SiO2 ranges from 0.4 to 5 and SiO2:Al203 ranges from 1.3 to 5 used in the preparation of a synthetic faujasite zeolite which has high thermal stability and higher crystallite size. It further provides a process for preparing the ready-to-use seed composition for preparation of synthetic faujasite zeolite that requires lower crystallization time. The present disclosure provides a seed composition that does not require maturing time and a reaction gel composition that has low water and soda content. The present disclosure further provides a process for the preparation of synthetic faujasite zeolite by blending seed and reaction gel reaction composition to form a seed gel composition and subjecting it to crystallization.

Ready-to-use seed composition and process thereof

A process is disclosed for producing needle coke from heavy atmospheric distillation residues having sulfur no more than 0.7 wt %, which process involves the steps of heating the feedstock to a temperature in the range of 440 to 520&#xb0; C. for thermal cracking in a soaking column under pressure in the range of 1 to 10 kg/cmto separate the easily cokable material, separating the cracked products in a quench column and a distillation column and then subjecting the hydrocarbon fraction from the bottom of the quench column and a hydrocarbon fraction having a boiling point in the range of 380 to 480&#xb0; C. from the distillation column and/or any other suitable heavier hydrocarbon streams in a definite ratio depending on certain characteristic parameters to thermal cracking in a second soaking column at a temperature of 460 to 540&#xb0; C., pressure in the range of 2 to 20 kg/cmin presence of added quantity of steam for formation of a mesophase carbonaceous structure which on steam stripping and cooling forms a solid crystalline coke suitable for manufacturing of graphite electrode of large diameter having co-efficient of thermal expansion lower than 1.1&#xd7;10/&#xb0; C. measured on graphite artifact in the temperature range of 25 to 525&#xb0; C.

Process for the production of needle coke

The present invention relates to a cracking catalyst composition for cracking heavy hydrocarbon and processes for preparing the catalyst. The process can include treating zeolite with sodium free basic compound with or without phosphate, treating an alumina with a dilute acid, acidifying a colloidal silica, preparing a fine slurry of clay with a source of phosphate, adding alumina slurry and/or acidified colloidal silica to clay phosphate slurry, adding treated zeolite and spray-drying the slurry and calcining the same to obtain a cracking catalyst having adequate ABD and attrition resistance property.

Process for preparation of liquefied petroleum gas selective cracking catalyst

The present invention relates to a process for the conversion of hydrocarbon streams with 95% true boiling point less than 400&#xb0; C. to very high yield of liquefied petroleum gas in the range of 45-65 wt % of feed and high octane gasoline, the said process comprises catalytic cracking of the hydrocarbons using a solid fluidizable catalyst comprising a medium pore crystalline alumino-silicates with or without Y-zeolite, non crystalline acidic materials or combinations thereof in a fluidized dense bed reactor operating at a temperature range of 400 to 550&#xb0; C., pressure range of 2 to 20 kg/cm(g) and weight hourly space velocity in range of 0.1 to 20 hour, wherein the said dense bed reactor is in flow communication to a catalyst stripper and a regenerator for continuous regeneration of the coked catalyst in presence of air and or oxygen containing gases, the catalyst being continuously circulated between the reactor-regenerator system.

Process for conversion of hydrocarbons to saturated LPG and high octane gasoline

A process for preparing a hydrocarbon conversion catalyst for use in a Fluid Catalyst Cracking (FCC) unit includes the steps of preparing a modified alumina-silica composite by reacting alumina with an acid to obtain an acidified alumina, aging the acidified alumina for from 0.25 to 60 hours, adding a silica source to the acidified alumina to obtain the composite; preparing a dispersed precursor slurry of the modified alumina-silica composite, and a rare earth exchanged USY zeolite (REUSY) containing at least one rare earth oxide present in an amount ranging from 3.8 to 4.0 wt %, and optionally kaolin clay; spray-drying the slurry to obtain spherical particles; and subjecting the spherical particles to calcination.

Process for the preparation of a catalyst composite

A fluid catalytic cracking additive composition to obtain enhanced yield of Liquified Petroleum Gas in catalytic cracking of high boiling petroleum feed stocks comprising 4 to 20 wt. % aluminum phosphate composite, 1-40 wt. % crystalline molecular sieve Zeolites from the group selected from mordenite ZSM-5, Beta and mixtures thereof and 40-90 wt. % clay.

Process for the preparation of fluid catalytic cracking catalyst additive composition

A synthetic faujasite zeolite and a process for preparing the same which includes forming a reaction mixture consisting essentially of water, a source of silica, a source of alumina, Na,O nd nucleation centers, wherein the reaction mixture has molar ratios of constituents including Na,O/SiO,, 0.4-0.9; SiO,/Al,O,, 7-13; and H,O/Na,O, 30-45, and wherein the nucleation centers have molar ratios of constituents including Na,O/SiO,, 0.5-2.0; SiO,/Al,0,, 10-20; and H,O/Na,O, 10-40; and heating the reaction mixture to a temperature ranging from 90 to 110&deg; C. for a time period ranging from 23 to 29 hours to obtain the synthetic faujasite zeolite, wherein the synthetic faujasite zeolite has a crystallite size ranging from 1500 to 2000 &angst;, a particle size ranging from 4000 to 8000 &angst;, and a retention of surface of more than 70% of that of a parent zeolite, when exchanged with ammonia and subjected to hydrothermal treatment at 650&deg; C. for 3 hours and with 100% steam.

Process for preparing an hydrothermally stable, large crystallite sized, highly crystallite sized, highly crystalline synthetic faujasite zeolite

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Faridabad, India

Venkatachalam Krishnan