Patents by Inventor Debasis Bhattacharyya
Debasis Bhattacharyya has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20190276752Abstract: The present invention relates to an assorted co-staging and counter stage hydro-treating process configuration scheme is disclosed for deep desulfurization and deep hydro-treating of diesel range hydrocarbons for obtaining diesel product having product sulfur less than 10 ppm and cetane number more than 51.Type: ApplicationFiled: March 6, 2019Publication date: September 12, 2019Applicant: INDIAN OIL CORPORATION LIMITEDInventors: Mainak SARKAR, Darshankumar Manubhai DAVE, Ganesh Vitthalrao BUTLEY, Ramesh KARUMANCHI, Arun ARANGARASU, Sarvesh KUMAR, Madhusudan SAU, Debasis BHATTACHARYYA, Sanjiv Kumar MAZUMDAR, Sankara Sri Venkata RAMAKUMAR
-
Publication number: 20190276753Abstract: The present invention relates to a process for production of High-Octane Gasoline blending component, Heavy Naphtha with high aromatic content and High Cetane Diesel from high aromatic middle distillate range boiling streams obtained from catalytic as well as thermal cracker units.Type: ApplicationFiled: March 11, 2019Publication date: September 12, 2019Applicant: INDIAN OIL CORPORATION LIMITEDInventors: Mainak SARKAR, Nayan DAS, Ganesh Vitthalrao BUTLEY, Sarvesh KUMAR, Rama Kant YADAV, Pastagia Kashyapkumar MAHINDRA, Madhusudan SAU, Debasis BHATTACHARYYA, Sanjiv Kumar MAZUMDAR, Sankara Sri Venkata RAMAKUMAR
-
Publication number: 20190264716Abstract: A distribution unit for distributing a multi-phase fluid mixture is disclosed. The distribution unit includes a distribution body defining a first passage, and a first distal body portion having a plurality of first slots. The distribution body includes a second distal body portion having a plurality of second slots distributed on a side wall of the second distal body portion. Each of the plurality of second slots is adapted to accommodate a baffle plate. The second distal body portion includes at least one aperture formed on a bottom wall of the second distal body portion. The plurality of first slots, the plurality of second slots, and the at least one aperture are in fluid communication with the first passage to discharge the flow of the multi-phase fluid.Type: ApplicationFiled: November 30, 2018Publication date: August 29, 2019Applicant: INDIAN OIL CORPORATION LIMITEDInventors: Pravesh KUMAR, Kamal KUMAR, Darshankumar Manubhai DAVE, Ramesh KARUMANCHI, Madhusudan SAU, Debasis BHATTACHARYYA, Sanjiv Kumar MAZUMDAR, Sankara Sri Venkata RAMAKUMAR
-
Publication number: 20190262821Abstract: The present invention relates to preparation of catalyst for production of olefinic hydrocarbons by dehydrogenation of their corresponding paraffins, particularly propylene from propane, comprising a metal oxide or combination of metal oxides utilizing spent catalyst from Fluid Catalytic Cracking (FCC)/Resid Fluid Catalytic Cracking (RFCC) processes. The metal oxides are possibly from transition metal group, particularly from groups VB, VIB, VIII, and Lanthanide series, and at least one metal from alkali group. The catalyst support used is spent catalyst or modified spent catalyst or combination thereof. The said catalyst can be used for both non-oxidative Propane Dehydrogenation (PDH) and Oxidative Propane Dehydrogenation (OPDH) process in the presence of CO2.Type: ApplicationFiled: January 30, 2019Publication date: August 29, 2019Applicant: INDIAN OIL CORPORATION LIMITEDInventors: Hima Bindu DOOSA, Ram Mohan THAKUR, Vineeth Venu NATH, Eswar Prasad DALAI, Debasis BHATTACHARYYA, Sanjiv Kumar MAZUMDAR, Sankara Sri Venkata RAMAKUMAR
-
Publication number: 20190256786Abstract: The present invention relates to a process and system for complete conversion of crude oils by integrating delayed coking process, high severity catalytic cracking process and naphtha cracking processes along with olefin recovery section, aromatic recovery section and gasifier section to maximize the crude oil conversion to valuable products like light olefins, aromatics and chemicals.Type: ApplicationFiled: November 30, 2018Publication date: August 22, 2019Applicant: INDIAN OIL CORPORATION LIMITEDInventors: Ponoly Ramachandran PRADEEP, Arjun Kumar KOTTAKUNA, Terapalli Hari Venkata Devi PRASAD, Satyen Kumar DAS, Debasis BHATTACHARYYA, Sanjiv Kumar MAZUMDAR, Sankara Sri Venkata RAMAKUMAR
-
Publication number: 20190248720Abstract: The present invention relates to a process for etherification of mixed olefinic light naphtha boiling in the range of C5-90° C. cut with simultaneous minimization of unreacted methanol concentration in the product. The etherification of mixed olefinic light naphtha produces the high octane blending component which can be blended directly in the gasoline pool without any recovery of the feed oxygenates like methanol, ethanol etc. which conventionally uses energy intensive separation processes.Type: ApplicationFiled: December 31, 2018Publication date: August 15, 2019Applicant: INDIAN OIL CORPORATION LIMITEDInventors: Saravanan SUBRAMANI, Prosenjit MAJI, Reshmi MANNA, Pushkar VARSHNEY, Latoor Lal SAROYA, Kamlesh GUPTA, Dheer SINGH, Debasis BHATTACHARYYA, Sanjiv Kumar MAZUMDAR, Sankara Sri Venkata RAMAKUMAR
-
Publication number: 20190225892Abstract: The present invention relates to crude oil processing, particularly related to conversion of crude oil containing high amount of naphthenic acid compounds to lighter hydrocarbon materials with minimum capital expenditure. The invented process utilizes a novel scheme for high TAN crude oils by employing thermal cracking process to maximize the residue conversion to valuable products, which require minimum modifications in unit metallurgies and corrosion inhibitor injection schemes in refineries.Type: ApplicationFiled: November 30, 2018Publication date: July 25, 2019Applicant: INDIAN OIL CORPORATION LIMITEDInventors: Ponoly Ramachandran PRADEEP, Satyen Kumar DAS, Terapalli Hari Venkata Devi PRASAD, Arjun Kumar KOTTAKUNA, RAJESH, Kashyapkumar Mahendra PASTAGIA, Debasis BHATTACHARYYA, Sanjiv Kumar MAZUMDAR, Sankara Sri Venkata RAMAKUMAR
-
Publication number: 20190194092Abstract: The present invention is related to an integrated process for enhancing the yields of propylene and other light olefins from Fluid catalytic cracking (FCC) process in combination with Oxidative propane dehydrogenation (OPDH) where in a hydrocarbon stream from Propylene recovery section consisting of propane predominantly, is converted to high value light olefins primarily C3 and C2 olefins by catalytic oxidative dehydrogenation using carbon dioxide from FCC flue gas exiting the regenerator. Several process configurations for the conversion of C3 and C4 alkanes to their respective alkenes separately or simultaneously by integrating with FCC are provided.Type: ApplicationFiled: October 30, 2018Publication date: June 27, 2019Applicant: INDIAN OIL CORPORATION LIMITEDInventors: Hima Bindu DOOSA, Ram Mohan THAKUR, Vineeth Venu NATH, Kamlesh GUPTA, Debasis BHATTACHARYYA, Sanjiv Kumar MAZUMDAR, Sankara Sri Venkata RAMAKUMAR
-
Publication number: 20190185765Abstract: The present invention relates to Delayed Coking of heavy petroleum residue producing petroleum coke and lighter hydrocarbon products. The invented process utilizes a pre-cracking reactor for mild thermal cracking of the feedstock and intermediate multistage separation system before being subjected to higher severity thermal cracking in delayed coking process, resulting in reduction in overall coke yield.Type: ApplicationFiled: October 31, 2018Publication date: June 20, 2019Inventors: Satyen Kumar DAS, Terapalli Hari Venkata Devi PRASAD, Ponoly Ramachandran PRADEEP, Arjun Kumar KOTTAKUNA, Debasis BHATTACHARYYA, Sanjiv Kumar MAZUMDAR, Sankara Sri Venkata RAMAKUMAR
-
Patent number: 10280372Abstract: The present invention relates to a novel catalyst composition for catalytic cracking of hydrocarbon streams to enhance the yield of light olefins. The catalyst composition for the cracking of hydrocarbon feed streams to light olefins, comprises a USY zeolite with silica/alumina ratio of more than 40, pentasil zeolite, a phosphate compound and alumina silica binder. The yield of olefins is further increased when the catalyst composition is impregnated with a cerium oxide. The present invention also provides a process of increasing the yield of light olefins from hydrocarbon feed streams comprising contacting the hydrocarbon streams with catalyst compositions of the present invention.Type: GrantFiled: January 7, 2014Date of Patent: May 7, 2019Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Biswanath Sarkar, Satyen Kumar Das, Somnath Kukade, Ganga Shankar Mishra, Eswar Prasad Dalai, Velusamy Chidambaram, Sudhir Kumar Pandey, Ram Mohan Thakur, Debasis Bhattacharyya, Santanam Rajagopal
-
Patent number: 10273417Abstract: An apparatus which is an integral hardware consisting of an annular downer reactor and a concentric upflow riser regenerator for catalytic cracking of hydrocarbon feed to is disclosed. The annular downer reactor terminates in annular stripper which is also concentric with the regenerator. The regenerator, reactor and stripper are in fluid connection with each other. The apparatus is highly compact and provides efficient contact between circulating catalyst and hydrocarbon feed. The proposed hardware includes a novel radial distributor for providing improved control and radial distribution of catalyst inside the downflow reactor. The radial distributor has equal numbers of stationary and movable parts placed one after another to cover the entire annular opening at the bottom of the regenerated catalyst vessel. The radial distributor is concentric with regenerator and located between the catalyst holding vessel and the reactor. A process for catalytic cracking using the invented apparatus is also disclosed.Type: GrantFiled: May 24, 2018Date of Patent: April 30, 2019Assignee: INDIAN OIL CORPORATION LTD.Inventors: Mukthiyar Sadhullah, Satheesh Vetterkunnel Kumaran, Debasis Bhattacharyya, Gadari Saidulu, Somnath Kukade, Brijesh Kumar, Santanam Rajagopal
-
Patent number: 10266459Abstract: A process and apparatus for catalytic cracking of hydrocarbon feedstock employing circulating fluidized bed reactor-regenerator configuration for maximizing the yield of propylene (C3 olefin) is disclosed. The apparatus comprises two reaction zones operating under different temperature and weight hourly space velocity (WHSV), one primary zone for cracking of hydrocarbon feedstock and other as secondary zone for cracking of C4 fraction produced from the cracking of hydrocarbon feedstock in the primary reaction zone, optionally admixed with C4 stream from external source. Two dedicated conduits equipped with valves for control of catalyst flow rate are provided to supply the hot catalyst from a common catalyst regeneration zone wherein the catalyst flowing though conduit connected to the secondary reaction zone is cooled employing a heat exchanging device.Type: GrantFiled: August 21, 2017Date of Patent: April 23, 2019Assignee: Indian Oil Corporation LimitedInventors: Manoj Kumar Bhuyan, Satheesh Vetterkunnel Kumaran, Debasis Bhattacharyya, Shoeb Hussain Khan, Bidyut De, Sudhir Kumar Pande
-
Publication number: 20190100705Abstract: The present invention relates to a hydrocracking reactor system and a process utilizing the same for upgrading heavy hydrocarbonaceous material to value-added products. Accordingly, an aspect of the present invention includes dispersing a liquid feedstock pre-mixed with a catalyst from top of a reactor vessel to obtain dispersed droplets having a predetermined droplet size less than 500 ?m, introducing a gaseous feed comprising primarily of hydrogen from bottom of the reactor vessel to form a continuous gaseous phase throughout a cross-section of the reactor vessel, and allowing the dispersed droplets to contact the continuous gaseous phase throughout the cross-section of the reactor vessel to form reaction effluent comprising one or more lighter product hydrocarbons. The method may further include removing at least a top portion and at least a bottom portion of the reaction effluent from the reactor vessel.Type: ApplicationFiled: August 30, 2018Publication date: April 4, 2019Applicant: INDIAN OIL CORPORATION LIMITEDInventors: Mainak SARKAR, Darshankumar Manubhai DAVE, Ramesh KARUMANCHI, Madhusudan SAU, Ganesh Vitthalrao BUTLEY, Nepal VISHWAKARMA, Kamal KUMAR, Pravesh KUMAR, Sarvesh KUMAR, Debasis BHATTACHARYYA, Sanjiv Kumar MAZUMDAR, Sankara Sri Venkata RAMAKUMAR
-
Publication number: 20190055481Abstract: The present invention relates to resid processing, particularly related to conversion of resid material with maximum recovery of lighter hydrocarbons. The invented process utilizes a novel scheme for integration of solvent de-asphalting and delayed coking processes to maximize the residue conversion to valuable products, with cleaner quality of middle distillates and fuel oil products, in comparison with other integrated solvent de-asphalting and delayed coking schemes. This process also has an additional flexibility to vary the recycle quantity, without impacting fractionator operation of the delayed coking section, which further enhances the product recovery and achieves maximum conversion of the resid feedstock, with minimum impact on liquid product properties.Type: ApplicationFiled: March 6, 2018Publication date: February 21, 2019Applicant: Indian Oil Corporation LimitedInventors: Ponoly Ramachandran PRADEEP, Satyen Kumar DAS, Terapalli Hari Venkata Devi PRASAD, Arjun Kumar KOTTAKUNA, Debasis BHATTACHARYYA, Sanjiv Kumar MAZUMDAR, Sankara Sri Venkata RAMAKUMAR
-
Publication number: 20190011126Abstract: An apparatus and a method for achieving progressive reduction of flue gas is disclosed. Accordingly, an aspect of the present invention is to provide an apparatus comprising of an orifice chamber having an inlet pipe for receiving the flue gas, a flow region defined downstream of an exit of the inlet pipe and having at least a first section and a second section, and an outlet pipe to disperse a pressure reduced flue gas. The first section defined downstream of the inlet pipe has a flow developer means and at least one auxiliary orifice plate. The second section defined downstream of the first section has a plurality of orifice plates spaced apart along a flow length of the second section.Type: ApplicationFiled: March 14, 2018Publication date: January 10, 2019Applicant: INDIAN OIL CORPORATION LIMITEDInventors: Saidulu GADARI, Manoj Kumar YADAV, Shoeb Hussain KHAN, Satheesh Vetterkunnel KUMARAN, Debasis BHATTACHARYYA, Sankara Sri Venkata RAMAKUMAR
-
Publication number: 20190001353Abstract: An apparatus and a method for mixing and atomizing a hydrocarbon stream is disclosed. The apparatus comprises of an inner conduit having a first inlet for receiving the hydrocarbon stream, and a second inlet for receiving a primary dispersion stream. The inner conduit produces a primary mixture comprising the hydrocarbon stream and the primary dispersion stream. The apparatus further includes an outer conduit having a third inlet for receiving a secondary dispersion stream. Further, said inner and outer conduits together define an annular passage. The distal end of the annular passage defines a second set of orifices for allowing the secondary dispersion stream flowing there-through to come in contact with the primary mixture and thereby dispensing the secondary mixture so obtained through an outlet.Type: ApplicationFiled: March 7, 2018Publication date: January 3, 2019Applicant: INDIAN OIL CORPORATION LIMITEDInventors: Shoeb Hussain KHAN, Venkata Hari Prasad Gupta BANDARU, Jagdev Kumar DIXIT, Gautam THAPA, Satheesh Vetterkunnel KUMARAN, Debasis BHATTACHARYYA, Sankara Sri Venkata RAMAKUMAR
-
Patent number: 10159951Abstract: The present invention discloses a method and an apparatus for mixing and atomizing a hydrocarbon stream using a diluent/dispersion stream.Type: GrantFiled: June 2, 2016Date of Patent: December 25, 2018Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Bidyut De, Shoeb Hussain Khan, Satheesh Vetterkunnel Kumaran, Debasis Bhattacharyya, Brijesh Kumar
-
Publication number: 20180345267Abstract: According to an embodiment, a spent catalyst distributor for distributing spent catalyst in a catalyst regenerator vessel housing a dense phase catalyst bed and a dilute phase catalyst bed is disclosed. The spent catalyst distributor comprises a conduit comprising a proximal end and a distal end. The conduit projects horizontally or horizontally and downwardly into the regenerator vessel and includes an opening located at the distal end for introducing the spent catalyst at a first location inside the regenerator vessel. The conduit further includes a plurality of orifices located along a length of the conduit between the distal end and an inner wall of the regenerator vessel for introducing the spent catalyst at a plurality of locations inside the regenerator vessel.Type: ApplicationFiled: March 12, 2018Publication date: December 6, 2018Inventors: Shoeb Hussain KHAN, Vikas BADHAN, Venkata Hari Prasad Gupta BANDARU, Gautam THAPA, Satheesh Vetterkunnel KUMARAN, Debasis BHATTACHARYYA, Sankara Sri Venkata RAMAKUMAR
-
Patent number: 10130929Abstract: An apparatus which is an integral hardware consisting of an annular downer reactor and a concentric upflow riser regenerator for catalytic cracking of hydrocarbon feed to is disclosed. The annular downer reactor terminates in annular stripper which is also concentric with the regenerator. The regenerator, reactor and stripper are in fluid connection with each other. The apparatus is highly compact and provides efficient contact between circulating catalyst and hydrocarbon feed. The proposed hardware includes a novel radial distributor for providing improved control and radial distribution of catalyst inside the downflow reactor. The radial distributor has equal numbers of stationary and movable parts placed one after another to cover the entire annular opening at the bottom of the regenerated catalyst vessel. The radial distributor is concentric with regenerator and located between the catalyst holding vessel and the reactor. A process for catalytic cracking using the invented apparatus is also disclosed.Type: GrantFiled: December 24, 2012Date of Patent: November 20, 2018Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Mukthiyar Sadhullah, Satheesh Vetterkunnel Kumaran, Debasis Bhattacharyya, Gadari Saidulu, Somnath Kukade, Brijesh Kumar, Santanam Rajagopal
-
Patent number: 10131589Abstract: The present invention relates to a process for production of oligomer products from olefinic C4 feed stocks comprising isobutene, butenes, butanes, butadienes and mixture thereof. Particularly, the present invention relates to a process for the preparation of oligomers using olefinic C4 feed stock in presence of tertiary butyl alcohol (TBA) and iso propyl alcohol (IPA).Type: GrantFiled: June 1, 2015Date of Patent: November 20, 2018Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Saravanan Subramani, Reshmi Manna, Pushkar Varshney, Anju Chopra, Debasis Bhattacharyya, Brijesh Kumar, Biswapriya Das, Ravinder Kumar Malhotra