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公开(公告)号：US20190185765A1
公开(公告)日：2019-06-20
申请号：US16176679
申请日：2018-10-31
发明人： Satyen Kumar DAS , Terapalli Hari Venkata Devi PRASAD , Ponoly Ramachandran PRADEEP , Arjun Kumar KOTTAKUNA , Debasis BHATTACHARYYA , Sanjiv Kumar MAZUMDAR , Sankara Sri Venkata RAMAKUMAR
CPC分类号： C10G51/023 , C10G7/06 , C10G9/005 , C10G9/14 , C10G11/18 , C10G45/00 , C10G47/00 , C10G55/04 , C10G69/06 , C10G2300/1044 , C10G2300/107 , C10G2300/1077 , C10G2300/708 , C10G2400/06
摘要： 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.
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公开(公告)号：US20180345267A1
公开(公告)日：2018-12-06
申请号：US15918678
申请日：2018-03-12
发明人： Shoeb Hussain KHAN , Vikas BADHAN , Venkata Hari Prasad Gupta BANDARU , Gautam THAPA , Satheesh Vetterkunnel KUMARAN , Debasis BHATTACHARYYA , Sankara Sri Venkata RAMAKUMAR
CPC分类号： C10G11/182 , B01J8/0015 , B01J8/26
摘要： 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.
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公开(公告)号：US20180050969A1
公开(公告)日：2018-02-22
申请号：US15681832
申请日：2017-08-21
发明人： Manoj Kumar BHUYAN , Satheesh Vetterkunnel KUMARAN , Debasis BHATTACHARYYA , Shoeb Hussain KHAN , Bidyut DE , Sudhir Kumar PANDE
CPC分类号： C07C4/06 , C07C2529/08 , C07C2529/40 , C07C2529/80 , C10G11/18 , C10G11/187 , C10G57/02 , C10G2300/4081 , C10G2400/20
摘要： 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. The lower temperature achieved in secondary reaction zone on account of exchange of heat along with lower weight hourly space velocity (WHSV) selectively promotes oligomerisation of C4 fraction before being cracked to produce C3 olefin in the subsequent portion of the reaction zone (primary).
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4.发明申请METHOD AND APPARATUS FOR MIXING AND ATOMIZING A HYDROCARBON STREAM USING A DILUENT/DISPERSION STREAM 有权用于混合和引导使用稀释/流散流的烃流的方法和装置公开(公告)号：US20160340598A1
公开(公告)日：2016-11-24
申请号：US15159771
申请日：2016-05-19
发明人： Shoeb Hussain KHAN , Bidyut DE , Satheesh Vetterkunnel KUMARAN , Manoj Kumar YADAV , Debasis BHATTACHARYYA , Brijesh KUMAR
CPC分类号： C10G75/04 , B01F3/04049 , B01F5/045 , B01F5/0451 , B01F5/0458 , B01F5/0463 , B01F5/061 , B01F2013/1052 , B01F2015/0221 , C10G11/18 , C10G2300/80
摘要： The present invention relates to an apparatus and method for mixing and atomizing a hydrocarbon stream using a diluent/dispersion stream. The apparatus comprises an inner conduit having an inlet for receiving the diluent/dispersion stream; an outer conduit having an inlet for receiving the hydrocarbon stream and an outlet for dispensing a mixture comprising the hydrocarbon and the dispersion/diluent streams; said outer conduit concentric to the inner conduit to define at least a first annular space and a second annular space; the first annular space being located downstream of the inlet of the outer conduit, said first annular space enabling formation of a thin film of the hydrocarbon stream between an outer surface of the inner conduit and an inner surface of the outer conduit; the second annular space being located downstream of the first annular space, said second annular space having a width greater than a width of the first annular space; and the inner conduit located at about the second annular space comprises a first set orifices disposed on a periphery thereof for dispensing a first portion of the dispersion/diluent stream into the thin film of hydrocarbon stream to cross-shear the thin film and form the mixture comprising the hydrocarbon and the dispersion/diluent streams.
摘要翻译： 本发明涉及一种使用稀释剂/分散体流混合和雾化烃流的装置和方法。 该装置包括具有用于接收稀释剂/分散体流的入口的内导管; 具有用于接收烃流的入口和用于分配包含烃和分散体/稀释剂流的混合物的出口的外部导管; 所述外导管与所述内导管同心，以限定至少第一环形空间和第二环形空间; 所述第一环形空间位于所述外导管的入口的下游，所述第一环形空间能够在所述内导管的外表面和所述外导管的内表面之间形成所述烃流的薄膜; 所述第二环形空间位于所述第一环形空间的下游，所述第二环形空间的宽度大于所述第一环形空间的宽度; 并且位于第二环形空间周围的内部导管包括设置在其周边上的第一组孔，用于将第一部分分散体/稀释剂流分配到烃流的薄膜中以交叉剪切薄膜并形成混合物 包括烃和分散/稀释剂流。
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5.发明申请公开(公告)号：US20160333280A1
公开(公告)日：2016-11-17
申请号：US15222903
申请日：2016-07-28
发明人： Saravanan SUBRAMANI , Debasis BHATTACHARYYA , Reshmi MANNA , Satyen Kumar DAS , Tridib SARKAR , Santanam RAJAGOPAL
CPC分类号： C10G51/06 , B01J8/0055 , B01J8/1863 , B01J8/26 , B01J8/28 , B01J21/04 , B01J29/088 , B01J35/0006 , B01J35/0026 , B01J35/023 , B01J35/08 , B01J2208/00752 , B01J2208/00761 , B01J2208/00902 , B01J2208/00911 , C10G11/182 , C10G11/185 , C10G2300/104 , C10G2300/1044 , C10G2300/1059 , C10G2300/107 , C10G2300/1074 , C10G2300/1077 , C10G2300/301 , C10G2300/4018 , C10G2300/4025 , C10G2300/4093 , C10G2300/701 , C10G2300/703 , C10G2300/708 , C10G2300/807 , C10G2400/02 , C10G2400/20 , C10G2400/22 , C10G2400/28 , C10G2400/30
摘要： The invention provides for a process and apparatus for simultaneous conversion of lighter and heavier hydrocarbon feedstocks into improved yields of light olefins in the range of C2 to C4, liquid aromatics in the range C6 to C8 mainly benzene, toluene, xylene and ethyl benzene and other useful products employing at least two different reactors operated in series with respect to catalyst flow and parallel with respect to feed flow under different regimes and process conditions with same catalyst system.
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公开(公告)号：US20240067544A1
公开(公告)日：2024-02-29
申请号：US18237205
申请日：2023-08-23
CPC分类号： C02F3/006 , C02F3/105 , C02F3/12 , C02F2103/365
摘要： The present invention relates to a process for refinery wastewater treatment. More particularly, the present invention relates to an automated process for treatment of refinery wastewater. The process of the present invention provides complete automation for controlling different critical parameters that enhance biological activity of activated sludge process (ASP) and helps in significant reduction in sludge recycling that increases the treatment efficiency.
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公开(公告)号：US20230265026A1
公开(公告)日：2023-08-24
申请号：US18112365
申请日：2023-02-21
发明人： Sadhullah MUKTHIYAR , Shikha SALUJA , Gadari SAIDULU , Arumugam Velayutham KARTHIKEYANI , Madhusudan SAU , Debasis BHATTACHARYYA , Gurpreet Singh KAPUR , Sankara Sri Venkata RAMAKUMAR
CPC分类号： C07C4/06 , B01J29/80 , B01J29/08 , B01J29/40 , C07C2529/08 , C07C2529/40 , C07C2529/80
摘要： A process for conversion of hydrocarbon feedstock into lighter olefins of C2 to C4 carbons, 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 C2 to C4 carbon 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.
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公开(公告)号：US20190264716A1
公开(公告)日：2019-08-29
申请号：US16206939
申请日：2018-11-30
发明人： Pravesh KUMAR , Kamal KUMAR , Darshankumar Manubhai DAVE , Ramesh KARUMANCHI , Madhusudan SAU , Debasis BHATTACHARYYA , Sanjiv Kumar MAZUMDAR , Sankara Sri Venkata RAMAKUMAR
IPC分类号： F15D1/00
摘要： 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.
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公开(公告)号：US20190256786A1
公开(公告)日：2019-08-22
申请号：US16206946
申请日：2018-11-30
发明人： Ponoly Ramachandran PRADEEP , Arjun Kumar KOTTAKUNA , Terapalli Hari Venkata Devi PRASAD , Satyen Kumar DAS , Debasis BHATTACHARYYA , Sanjiv Kumar MAZUMDAR , Sankara Sri Venkata RAMAKUMAR
摘要： 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.
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公开(公告)号：US20170158963A1
公开(公告)日：2017-06-08
申请号：US15393154
申请日：2016-12-28
发明人： Ram Mohan THAKUR , Pradeep Ponoly RAMACHANDRAN , Terapalli Hari Venkata DEVI PRASAD , Gautam THAPA , Debasis BHATTACHARYYA , Brijesh KUMAR , Santanam RAJAGOPAL
摘要： An apparatus for supplying additives into a coker drum includes an inlet for supplying a hydrocarbon feed stream into the coker drum and conduits along the circumference of walls of the coker drum. Each conduit has an injection nozzle to supply additives inside the coker drum. An injection control system controls the operation of the injection nozzles such that 1) one or more of the injection nozzles placed within a first distance above a vapour liquid interphase of the hydrocarbon feed stream are configured to supply the additives; and 2) supply of the additive discontinues from a particular injection nozzle when a distance between the injection nozzle and the vapour liquid interphase is less than or equal to a second distance. The apparatus optionally includes a mechanical drive system moving at least one of the conduits based on the level of the vapour liquid interphase in the coker drum.
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