Patents Assigned to Bharat Petroleum Corporation Limited
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Patent number: 11834405Abstract: A dividing wall column system for producing hexane includes a dividing wall column including a dividing wall that divides the dividing wall column at least partially into a first side and a second side, with one side of the first and second sides configured to operate as a deisohexanizer column and the other side of the first and second side configured to operate as a hexane column to produce hexane.Type: GrantFiled: May 14, 2020Date of Patent: December 5, 2023Assignees: BHARAT PETROLEUM CORPORATION LIMITED, SULZER MANAGEMENT AGInventors: Manish Bhargava, Roomi Kalita, Amit Kanda, Pamaraju V Ravitej, Kondapalli Shreya Chaudhary
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Patent number: 11779914Abstract: An aspect of the present disclosure relates to a process for preparing a composite hydroalkylation catalyst including: (a) effecting impregnation of a hydrogenation metal on an inorganic oxide to form a metal impregnated inorganic oxide; (b) effecting calcination of the metal impregnated inorganic oxide to obtain a calcined metal impregnated inorganic oxide; (c) preparing a composite mixture comprising a molecular sieve, the calcined metal impregnated inorganic oxide and a binder; (d) preparing an extruded catalyst; and (e) effecting calcination of the extruded catalyst to obtain the composite hydroalkylation catalyst. The composite hydroalkylation catalyst prepared using this process affords dramatic improvement in conversion of mononuclear aromatic hydrocarbon and the yield of the hydroalkyled mononuclear aromatic hydrocarbon (e.g. CHB).Type: GrantFiled: September 17, 2021Date of Patent: October 10, 2023Assignees: BHARAT PETROLEUM CORPORATION LIMITED, INDIAN INSTITUTE OF TECHNOLOGY DELHIInventors: Ananth Kishore Kumar Sontyana, Nikita Sharma, Shivanand Mukund Pai, Bharat Lakshman Newalkar, Kamal Kishore Pant
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Patent number: 11318438Abstract: The present invention relates to an advanced process control system (APC) for a continuous catalytic regeneration reformer with master-slave configuration to control coke on spent catalyst while maximizing heavy reformate octane barrel using online inferential, both for coke content of spent catalyst and octane of heavy reformate. Further, the present invention relates to provide an APC system for a continuous catalytic regeneration reformer with master-slave configuration, which comprises of a master APC, a reactor APC, and a regenerator APC, wherein, the reactor APC and the regenerator APC are linked to the master APC.Type: GrantFiled: May 16, 2018Date of Patent: May 3, 2022Assignee: BHARAT PETROLEUM CORPORATION LIMITEDInventors: Kondapalli Shreya Chaudhary, Shashi Kant Shukla, V Suresh, Susanta Sadhukhan, Jitendra Kumar Verma
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Patent number: 11260369Abstract: In accordance with the present subject matter there is provided a process for producing mono-, di- and triesters of glycerol over a catalyst composition. The catalyst composition including a base catalyst and a support material based on phyllosilicates of montmorillonite structure and the process for preparing the catalyst composition is also described.Type: GrantFiled: December 4, 2015Date of Patent: March 1, 2022Assignee: BHARAT PETROLEUM CORPORATION LIMITEDInventors: Arundhathi Racha, Chiranjeevi Thota, Dharmendra Pandey, Dattatraya Tammanna Shastri Gokak, Sanjay Bhargava
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Patent number: 10975322Abstract: The present disclosure provides a fuel composition for improving the lubricity property. Further provided is a process for preparation of the composition.Type: GrantFiled: May 17, 2017Date of Patent: April 13, 2021Assignee: Bharat Petroleum Corporation LimitedInventors: Arundhathi Racha, Chiranjeevi Thota, Dattatraya Tammanna Shastri Gokak, Vivek Kothuram Gajbhiye, Sanjay Bhargava
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Publication number: 20210016240Abstract: The present invention relates to an advanced process control system (APC) for a continuous catalytic regeneration reformer with master-slave configuration to control coke on spent catalyst while maximizing heavy reformate octane barrel using online inferential, both for coke content of spent catalyst and octane of heavy reformate. Further, the present invention relates to provide an APC system for a continuous catalytic regeneration reformer with master-slave configuration, which comprises of a master APC, a reactor APC, and a regenerator APC, wherein, the reactor APC and the regenerator APC are linked to the master APC.Type: ApplicationFiled: May 16, 2018Publication date: January 21, 2021Applicant: BHARAT PETROLEUM CORPORATION LIMITEDInventors: Kondapalli Shreya CHAUDHARY, Shashi Kant SHUKLA, V SURESH, Susanta SADHUKHAN, Jitendra Kumar VERMA
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Patent number: 10864507Abstract: The present invention provides a process for preparing a zeolite by hydrothermal heating of silica precursor and alumina precursor along with a combination of two structure-directing organic templates, N,N-dimethyl formamide and 1,6-diaminohexane in the presence of an alkali. The use of two structure-directing organic templates, not only reduces the crystallization time but also enables the preparation of more catalytically active ZSM-22 of submicron crystallite size. The present invention also provides a process of preparing a noble metal containing zeolite catalyst for hydroisomerization of long chain n-paraffins.Type: GrantFiled: May 10, 2017Date of Patent: December 15, 2020Assignee: BHARAT PETROLEUM CORPORATION LIMITEDInventors: Ananth Kishore Kumar Sontyana, Kuppusamy Munusamy, Sayanti Ghosh, Shivanand Mukund Pai, Lalit Kumar, Mahesh Wamanrao Kasture, Bharat Lakshman Newalkar
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Patent number: 10550336Abstract: The present disclosure provides methods and apparatus for catalytic cracking of hydrocarbon feed. The apparatus includes a plurality of stages, wherein hydrocarbon feed is introduced into a bottom stage reactor and flows in an overall upward direction. A reaction catalyst stream is introduced into a top stage reactor and flows in an overall downward direction. In each of the stages, the hydrocarbon feed is allowed to come in contact with the reaction catalyst stream received at the particular stage for cracking of the hydrocarbon feed. The final cracked product stream is obtained at an outlet of the top stage reactor and a final spent catalyst stream is obtained at an outlet of the bottom stage reactor.Type: GrantFiled: December 3, 2015Date of Patent: February 4, 2020Assignee: BHARAT PETROLEUM CORPORATION LIMITEDInventors: Ravi Kumar Voolapalli, Seetaram Chebrolu, Biswanath Saha
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Patent number: 10365263Abstract: Methods and systems for predicting crude oil blend compatibility and optimizing blends for increasing heavy crude oil processing are described. The method includes receiving ratios of physical parameters of crude oils for optimization of crude oil blend. The physical parameter ratios are based on Kinematic Viscosity (V), Sulphur (S), Carbon Residue (C), and American Petroleum Institute (API) gravity. The crude oil blend compatibility (K model) is determined and generated using the physical parameter ratios. The K model is developed by coefficients obtained by regression analysis between the ratios of physical parameters of known crude oils and composite compatibility measure determined from multiple compatibility test results of the known crude oils. The predicted crude oil blend compatibility can be used for optimizing heavy crude oil processing.Type: GrantFiled: March 27, 2018Date of Patent: July 30, 2019Assignees: Indian Institute of Technology, Delhi, Bharat Petroleum Corporation LimitedInventors: Rajeev Kumar, Ravi Kumar Voolapalli, Pranab Kumar Rakshit, Sanjay Bhargava, Sreedevi Upadhyayula
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Publication number: 20190176137Abstract: The present invention provides a process for preparing a zeolite by hydrothermal heating of silica precursor and alumina precursor along with a combination of two structure-directing organic templates, N,N-dimethyl formamide and 1,6-diaminohexane in the presence of an alkali. The use of two structure-directing organic templates, not only reduces the crystallization time but also enables the preparation of more catalytically active ZSM-22 of submicron crystallite size. The present invention also provides a process of preparing a noble metal containing zeolite catalyst for hydroisomerization of long chain n-paraffins.Type: ApplicationFiled: May 10, 2017Publication date: June 13, 2019Applicant: BHARAT PETROLEUM CORPORATION LIMITEDInventors: Ananth Kishore Kumar SONTYANA, Kuppusamy MUNUSAMY, Sayanti GHOSH, Shivanand Mukund PAI, Lalit KUMAR, Mahesh Wamanrao KASTURE, Bharat Lakshman NEWALKAR
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Patent number: 10317325Abstract: Provided is a method for predicting kinematic viscosity of a fraction of a crude oil to optimize selection of crude oils. The method includes receiving parameters of the crude oil, such as Vacuum Residue yield and Conradson Carbon Residue (CCR), content as an input. The method also includes determining kinematic viscosity of the fraction of the crude oil at a first predetermined temperature based on a first correlation model between the physical parameters of the crude oil and the kinematic viscosity at the first predetermined temperature. The method further includes generating the kinematic viscosity of the fraction of the crude oil at the predetermined temperature based on the first correlation model corresponding to the input. Also provided is a system for predicting kinematic viscosity at a predetermined temperature to optimize crude oil selection. Further provided is a method for estimating an amount of cutter stock for crude oil processing.Type: GrantFiled: September 21, 2016Date of Patent: June 11, 2019Assignee: Bharat Petroleum Corporation LimitedInventors: Rajeev Kumar, Sonal Maheshwari, Ravi Kumar Voolapalli, Tushar Sudhakar Thorat, Sanjay Bhargava
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Patent number: 10174265Abstract: The present invention relates to a process for co-gasification of two or more carbonaceous feedstock, said process comprising combusting a first carbonaceous feedstock having high calorific value with low ash and high hydrogen content, to produce a heated effluent; carrying the heated effluent to second reactor where the heated effluent reacts with a second carbonaceous feedstock, having low calorific value with high ash and low hydrogen content, to produce synthesis gas.Type: GrantFiled: December 29, 2011Date of Patent: January 8, 2019Assignee: BHARAT PETROLEUM CORPORATION LIMITEDInventors: Pranab Kumar Rakshit, Ravi Kumar Voolapalli, Pintu Maity
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Patent number: 9914104Abstract: Methods, apparatus and processes for three phase contacting and reactions in a cross flow reactor with reduced feed vaporization, low pressure operation, higher liquid holdup, lower reactor pressure drop, low severity operation, and reduced product inhibitory effects. A cross flow reactor for three phase catalytic hydroprocessing, having at least one reactor stage is disclosed. The reactor stage has a central gas distributor with perforated lateral surface for distributing gas, a middle region accommodating a packed catalyst bed, and an outer gas space for removal of effluent gases from the middle region. The middle region receives a liquid reactant and gas from central gas distributor to carry out three phase catalytic hydroprocessing reaction.Type: GrantFiled: April 15, 2014Date of Patent: March 13, 2018Assignee: BHARAT PETROLEUM CORPORATION LIMITEDInventors: Prashant Udaysinh Parihar, RaviKumar Voolapalli, Srinivasulu Kaalva
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Publication number: 20170322131Abstract: Provided is a method for predicting kinematic viscosity of a fraction of a crude oil to optimize selection of crude oils. The method includes receiving parameters of the crude oil, such as Vacuum Residue yield and Conradson Carbon Residue (CCR), content as an input. The method also includes determining kinematic viscosity of the fraction of the crude oil at a first predetermined temperature based on a first correlation model between the physical parameters of the crude oil and the kinematic viscosity at the first predetermined temperature. The method further includes generating the kinematic viscosity of the fraction of the crude oil at the predetermined temperature based on the first correlation model corresponding to the input. Also provided is a system for predicting kinematic viscosity at a predetermined temperature to optimize crude oil selection. Further provided is a method for estimating an amount of cutter stock for crude oil processing.Type: ApplicationFiled: September 21, 2016Publication date: November 9, 2017Applicant: Bharat Petroleum Corporation LimitedInventors: Rajeev Kumar, Sonal Maheshwari, Ravi Kumar Voolapalli, Tushar Sudhakar Thorat, Sanjay Bhargava
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Patent number: 9677007Abstract: A carbon monoxide combustion catalyst and a method of making the catalyst used in fluid bed catalytic cracking process. The catalyst can contain metals and other composites which promote oxidation of carbon monoxide to carbon dioxide during regeneration of spent FCC catalyst.Type: GrantFiled: December 30, 2009Date of Patent: June 13, 2017Assignees: Bharat Petroleum Corporation Limited, Sud-Chemie India Pvt LTDInventors: Chiranjeevi Thota, Dattatraya Tammannashastri Gokak, Ravikumar Voolapalli, Venkateswarlu Choudary Nettem, Mohammad Amir Siddiqui, Rajan Bosco, Raghunath Prasad Mehrotra
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Patent number: 9533298Abstract: The present invention relates to sulphur reduction catalyst additive composition comprising an inorganic porous support incorporated with metals; an alumino silicate or zeolite component; an alumina component and clay. More particularly the present invention relates to sulphur reduction catalyst additive composition comprising refinery spent catalyst as support. The primary sulphur reduction catalyst additive component of the catalyst composition contains metals of Period III or IV of the Periodic Table, preferably Zinc or Magnesium or combination thereof or one of the transition metals along with other metals.Type: GrantFiled: October 1, 2012Date of Patent: January 3, 2017Assignee: BHARAT PETROLEUM CORPORATION LIMITEDInventors: Dattatraya Tammannashastri Gokak, Chiranjeevi Thota, Pragya Rai, N. Jose, P.S. Viswanathan
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Patent number: 9447343Abstract: The present invention relates to a gasohol fuel composition that prevents corrosion of the metallurgies involved in fuel storage tanks, vehicle fuel tanks, fuel distribution systems, and transportation systems. The novel gasohol fuel composition comprises of a major portion of an alcohol blended gasoline fuel and a minor portion of a corrosion inhibitor formulation, wherein the corrosion inhibitor formulation comprises of (i) a reaction product of (a) a monosaturated fatty acid; and (b) an azomethine compound derived from a condensation reaction between a carbonyl compound and an amine compound; (ii) a fatty acid oil or ester selected from a group comprising of castor oil, palm oil, soyabean oil, and methyl soya ester; (iii) a dispersing agent, the dispersing agent being a sulfonate compound; and (iv) a viscosity reducing agent selected from a group comprising of ethanol, isopropanol, and propargyl alcohol.Type: GrantFiled: September 3, 2010Date of Patent: September 20, 2016Assignee: Bharat Petroleum Corporation LimitedInventors: Jaya Rawat, Venkat Chalapathi Rao Peddy, Venkateswarlu Choudary Nettem, Mohammad Amir Siddiqui
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Patent number: 9433919Abstract: The present invention discloses activated carbon-metal organic framework composite materials (AC@MOF) with enhanced gas adsorption capacity. The present invention also discloses a process for the preparation of carbon-metal organic framework composite materials (AC@MOF). The present invention involves the use of “void space filling method” in metal organic frameworks (MOFs), which have been accomplished by in-situ addition of selected type and appropriate amount of activated carbon during the synthesis of MOF such as Cu-BTC, in the storage of gases such as methane. The gas adsorption capacity of these AC@MOF composite materials is significantly increased through this method.Type: GrantFiled: March 30, 2012Date of Patent: September 6, 2016Assignees: Council of Scientific & Industrial Research, Bharat Petroleum Corporation LimitedInventors: Hari Chand Bajaj, Rajesh Shantilal Somani, Phani Brahma Rallapalli, Dinesh Patil, Karikkethu Prabhakaran Prasanth, Checkalazhikathu Raj Manoj, Rajendra Singh Thakur, Mathew John, Bharat Lakshman Newalkar, Nettem Venkateswarlu Choudary
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Patent number: 9227180Abstract: The present invention relates to a multifunctional catalyst additive composition for reduction of carbon monoxide and nitrogen oxides in a fluid catalytic cracking process comprising an inorganic oxide; alumino silicate or a zeolite; a noble metal; a metal of Group I A; a metal of Group II A; a metal of Group III A; a metal of Group IV A; a metal of Group V A; a rare earth oxide; at least a metal of Group VIII. The composition is attrition resistant and is incorporated on a support. The present invention also discloses a process for preparing the multifunctional catalyst additive composition. The present invention also discloses a fluid cracking catalyst comprising the multifunctional catalyst additive composition.Type: GrantFiled: May 7, 2012Date of Patent: January 5, 2016Assignee: BHARAT PETROLEUM CORPORATION LIMITEDInventors: Chiranjeevi Thota, Dattatraya Tammannashastri Gokak, Poyyamani Swaminathan Viswanathan
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Patent number: 9034782Abstract: The present invention relates to a catalyst composition for conversion of vegetable oils to hydrocarbon products in the diesel boiling range, comprising a porous support; Group III A or VA element in the range of 1-10 wt %; Group VI B elements in the range of 1 to 20 wt %; Group VIII B elements in range of 0.01 to 10 wt %. The present invention further provides the process for preparing the catalyst composition for conversion of vegetable oils to hydrocarbon products in the diesel boiling range. The present invention also provides the process for conversion of vegetable oils to hydrocarbon products in the diesel boiling range using the catalyst composition or discarded refinery spent hydro-treating catalyst.Type: GrantFiled: October 31, 2012Date of Patent: May 19, 2015Assignee: Bharat Petroleum Corporation LimitedInventors: Chiranjeevi Thota, Pragya Rai, N. Jose, Dattatraya Tammannashastri Gokak, Poyyamani Swaminathan Viswanathan