公开(公告)号：US07462275B2

公开(公告)日：2008-12-09

申请号：US10894341

申请日：2004-07-20

申请人： Asit Kumar Das ,  Debasis Bhattacharyya ,  Gadari Saidulu ,  Satayen Kumar Das ,  Bandaru Venkata Hari P. Gupta ,  Ramakrishnan Ramanarayanan ,  Latoor Lal Saroya ,  Konduri Lakshminarayana ,  Marri Rama Rao ,  Vinod Ramchandra Upadhyay ,  Sukumar Mandal ,  Deepa Meghavathu ,  Arumugam Velayutham Karthikeyani ,  Wadharwa Ram Kalsi ,  Arvind Pratap Singh ,  Veena Bansal ,  Ashok Kumar Tiwari ,  Venkatachalam Krishnan ,  Satish Makhija ,  Sobhan Ghosh ,  Niranjan Raghunath Raje

发明人： Asit Kumar Das ,  Debasis Bhattacharyya ,  Gadari Saidulu ,  Satayen Kumar Das ,  Bandaru Venkata Hari P. Gupta ,  Ramakrishnan Ramanarayanan ,  Latoor Lal Saroya ,  Konduri Lakshminarayana ,  Marri Rama Rao ,  Vinod Ramchandra Upadhyay ,  Sukumar Mandal ,  Deepa Meghavathu ,  Arumugam Velayutham Karthikeyani ,  Wadharwa Ram Kalsi ,  Arvind Pratap Singh ,  Veena Bansal ,  Ashok Kumar Tiwari ,  Venkatachalam Krishnan ,  Satish Makhija ,  Sobhan Ghosh ,  Niranjan Raghunath Raje

IPC分类号： C10G67/00

CPC分类号： C10G11/05 ,  C10G2400/28

摘要： The present invention relates to a process for the conversion of hydrocarbon streams with 95% true boiling point less than 400° 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° C., pressure range of 2 to 20 kg/cm2 (g) and weight hourly space velocity in range of 0.1 to 20 hour−1, 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.

摘要翻译： 本发明涉及一种将95％真实沸点低于400℃的烃流转化成非常高产率的进料和高辛烷值汽油的45-65重量％的液化石油气的方法， 所述方法包括使用固体可流化催化剂催化裂化烃，所述固体可流化催化剂包含具有或不具有Y-沸石的中孔结晶铝硅酸盐，非结晶酸性物质或其组合，其在400至550℃的温度范围内操作的流化密床反应器 ℃，压力范围为2至20kg / cm2（g）和0.1至20小时-1范围内的重时空速，其中所述致密床反应器与用于连续的催化剂汽提塔和再生器流动连通 在存在空气和/或含氧气体的情况下再生焦化的催化剂，催化剂在反应器 - 再生器系统之间连续循环。

公开(公告)号：US20060016725A1

公开(公告)日：2006-01-26

申请号：US10894341

申请日：2004-07-20

申请人： Asit Das ,  Debasis Bhattacharyya ,  Gadari Saidulu ,  Satayen Das ,  Bandaru Gupta ,  Ramakrishnan Ramanarayanan ,  Latoor Saroya ,  Konduri Lakshminarayana ,  Marri Rao ,  Vinod Upadhyay ,  Sukumar Mandal ,  Deepa Meghavathu ,  Arumugam Karthikeyani ,  Wadharwa Kalsi ,  Arvind Singh ,  Veena Bansal ,  Ashok Tiwari ,  Venkatachalam Krishnan ,  Satish Makhija ,  Sobhan Ghosh ,  Niranjan Raje

发明人： Asit Das ,  Debasis Bhattacharyya ,  Gadari Saidulu ,  Satayen Das ,  Bandaru Gupta ,  Ramakrishnan Ramanarayanan ,  Latoor Saroya ,  Konduri Lakshminarayana ,  Marri Rao ,  Vinod Upadhyay ,  Sukumar Mandal ,  Deepa Meghavathu ,  Arumugam Karthikeyani ,  Wadharwa Kalsi ,  Arvind Singh ,  Veena Bansal ,  Ashok Tiwari ,  Venkatachalam Krishnan ,  Satish Makhija ,  Sobhan Ghosh ,  Niranjan Raje

IPC分类号： C10G67/00

CPC分类号： C10G11/05 ,  C10G2400/28

摘要： The present invention relates to a process for the conversion of hydrocarbon streams with 95% true boiling point less than 400° 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° C., pressure range of 2 to 20 kg/cm2(g) and weight hourly space velocity in range of 0.1 to 20 hour−1, 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.

摘要翻译： 本发明涉及一种将95％真实沸点低于400℃的烃流转化成非常高产率的进料和高辛烷值汽油的45-65重量％的液化石油气的方法， 所述方法包括使用固体可流化催化剂催化裂化烃，所述固体可流化催化剂包含具有或不具有Y-沸石的中孔结晶铝硅酸盐，非结晶酸性物质或其组合，其在400至550℃的温度范围内操作的流化密床反应器 ℃，压力范围为2至20kg / cm 2（g），重时空速为0.1至20小时的范围，其中所述致密的 床反应器与催化剂汽提器和再生器流动连通，用于在存在空气和/或含氧气体的情况下连续再生焦化催化剂，催化剂在反应器 - 再生器系统之间连续循环。

公开(公告)号：US07604731B2

公开(公告)日：2009-10-20

申请号：US10892024

申请日：2004-07-15

申请人： Debasis Bhattacharyya ,  Satheesh Vetterkunnel Kumaran ,  Bandaru Venkata Hari Prasad Gupta ,  Pramod Kumar ,  Asit Kumar Das ,  Gadari Saidulu ,  Satyen Kumar Das ,  Gurpreet Singh Kapur ,  Veena Bansal ,  Venkatachalam Krishnan ,  Satish Makhija ,  Sobhan Ghosh ,  Niranjan Raghunath Raje

发明人： Debasis Bhattacharyya ,  Satheesh Vetterkunnel Kumaran ,  Bandaru Venkata Hari Prasad Gupta ,  Pramod Kumar ,  Asit Kumar Das ,  Gadari Saidulu ,  Satyen Kumar Das ,  Gurpreet Singh Kapur ,  Veena Bansal ,  Venkatachalam Krishnan ,  Satish Makhija ,  Sobhan Ghosh ,  Niranjan Raghunath Raje

IPC分类号： C10G51/02 ,  C10G9/00

CPC分类号： C10G9/005 ,  C10B55/00 ,  C10G51/023

摘要： 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° C. for thermal cracking in a soaking column under pressure in the range of 1 to 10 kg/cm2 to 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° 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° C., pressure in the range of 2 to 20 kg/cm2 in 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 1.1×10−6/° C. measured on graphite artifact in the temperature range of 25 to 525° C.

摘要翻译： 公开了一种用于从具有不超过0.7重量％的硫的重大气压蒸馏残余物生产针状焦炭的方法，该方法包括将原料加热至440-520℃范围内的温度以进行浸泡中的热裂解 柱在1至10kg / cm2的压力范围内以分离容易结合的材料，将裂化产物在骤冷塔和蒸馏塔中分离，然后对来自骤冷塔的底部的烃馏分和具有 取决于某些特征参数与第二个均热塔中的热裂解在460至540℃的温度下，从蒸馏塔和/或任何其它合适的较重烃流中的沸点在380至480℃范围内 在蒸汽的形成中间相含碳结构的添加量存在下，在2至20kg / cm2的范围内的压力，在汽提和 冷却形成适用于制造热膨胀系数小于1.1×10 -6 /℃的大直径石墨电极的固体结晶焦炭，在25至525℃的温度范围内测量石墨伪影。

公开(公告)号：US20070181462A2

公开(公告)日：2007-08-09

申请号：US10892024

申请日：2004-07-15

申请人： Debasis Bhattacharyya ,  Satheesh Kumaran ,  Bandaru Prasad Gupta ,  Pramod Kumar ,  Asit Das ,  Gadari Saidulu ,  Satyen Das ,  Gurpreet Kapur ,  Veena Bansal ,  Venkatachalam Krishnan ,  Satish Makhija ,  Sobhan Ghosh ,  Niranjan Raje

发明人： Debasis Bhattacharyya ,  Satheesh Kumaran ,  Bandaru Prasad Gupta ,  Pramod Kumar ,  Asit Das ,  Gadari Saidulu ,  Satyen Das ,  Gurpreet Kapur ,  Veena Bansal ,  Venkatachalam Krishnan ,  Satish Makhija ,  Sobhan Ghosh ,  Niranjan Raje

IPC分类号： C10G51/02 ,  C10G9/00

CPC分类号： C10G9/005 ,  C10B55/00 ,  C10G51/023

摘要： 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° C. for thermal cracking in a soaking column under pressure in the range of 1 to 10 kg/cm2 to 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° 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° C., pressure in the range of 2 to 20 kg/cm2 in 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 1.1×10−6/° C. measured on graphite artifact in the temperature range of 25 to 525° C.

摘要翻译： 公开了一种用于从具有不超过0.7重量％的硫的重大气压蒸馏残余物生产针状焦炭的方法，该方法包括将原料加热至440-520℃范围内的温度以进行浸泡中的热裂解 柱在1至10kg / cm 2范围内的压力下分离易分解的易吸收材料，将裂化产物在骤冷塔和蒸馏塔中分离，然后将来自底部的烃馏分 骤冷塔和具有沸点在380-480℃范围内的沸点在380-480℃范围内的烃馏分和/或任何其它合适的较重的烃流以一定的比例取决于某些特征参数与第二次均热中的热裂解 在460至540℃的温度下，在存在用于形成中间相碳质结构的添加量的蒸汽的存在下，在2至20kg / cm 2范围内的压力，其中 在蒸汽汽提和冷却时，形成适用于制造热膨胀系数小于1.1×10 -6 /℃的大直径石墨电极的固体结晶焦炭，其温度在石墨伪影上测量 范围为25至525℃

公开(公告)号：US20050284793A1

公开(公告)日：2005-12-29

申请号：US10892024

申请日：2004-07-15

申请人： Debasis Bhattacharyya ,  Satheesh Kumaran ,  Bandaru Prasad Gupta ,  Pramod Kumar ,  Asit Das ,  Gadari Saidulu ,  Satyen Das ,  Gurpreet Kapur ,  Veena Bansal ,  Venkatachalam Krishnan ,  Satish Makhija ,  Sobhan Ghosh ,  Niranjan Raje

发明人： Debasis Bhattacharyya ,  Satheesh Kumaran ,  Bandaru Prasad Gupta ,  Pramod Kumar ,  Asit Das ,  Gadari Saidulu ,  Satyen Das ,  Gurpreet Kapur ,  Veena Bansal ,  Venkatachalam Krishnan ,  Satish Makhija ,  Sobhan Ghosh ,  Niranjan Raje

IPC分类号： C10B55/00 ,  C10B57/02 ,  C10G9/00 ,  C10G51/02

CPC分类号： C10G9/005 ,  C10B55/00 ,  C10G51/023

摘要： 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 460 to 540° C. for thermal cracking in a soaking column under pressure in the range of 1 to 10 kg/cm2 to 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 heavy gas oil fraction having 10% true boiling point more than 370° C. and 90% true boiling point not less than 480° 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 440 to 520° C., pressure in the range of 2 to 20 kg/cm2 in 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 1.1×10−6/° C. measured on graphite artifact in the temperature range of 25 to 525° C.

摘要翻译： 公开了一种用于从具有不超过0.7重量％的硫的重大气压蒸馏残余物生产针状焦炭的方法，该方法包括将原料加热至在460至540℃范围内的温度以进行浸泡中的热裂解 柱在1至10kg / cm 2范围内的压力下分离易分解的易溶材料，将裂化产物在骤冷塔和蒸馏塔中分离，然后将来自底部的烃馏分 淬火塔和具有10％真实沸点大于370℃的重质瓦斯油馏分和来自蒸馏塔和/或任何其它合适的较重烃流的确定的90％真实沸点不低于480℃ 的比例取决于某些特征参数与第二均热塔中的热裂解在440至520℃的温度下，在2至20kg / cm 2范围内的压力，在加入量 蒸汽格式化 n的中间相碳质结构，其在蒸汽汽提和冷却时形成适于制造热膨胀系数小于1.1×10 -6 /℃的大直径石墨电极的固体结晶焦炭。 在25至525℃的温度范围内测量石墨伪影。

公开(公告)号：US08551748B2

公开(公告)日：2013-10-08

申请号：US12684390

申请日：2010-01-08

申请人： Manoj Kumar ,  Mahendra Pratap Singh ,  Maya Chakradhar ,  Dheer Singh ,  Veena Bansal ,  Vijay Kumar Chhatwal ,  Ravinder Kumar Malhotra ,  Anand Kumar

发明人： Manoj Kumar ,  Mahendra Pratap Singh ,  Maya Chakradhar ,  Dheer Singh ,  Veena Bansal ,  Vijay Kumar Chhatwal ,  Ravinder Kumar Malhotra ,  Anand Kumar

IPC分类号： C12P5/00

CPC分类号： C12N15/01 ,  C10G21/12 ,  C10G21/27 ,  C10G32/00 ,  C10G33/00 ,  C10G53/04 ,  C12N1/20

摘要： Disclosed herein a process for upgrading the liquid hydrocarbon fuels by reducing aromatic content, sulfur content and nitrogen content wherein the process comprising isolating polycyclic aromatic hydrocarbon (PAH) transforming microbes and preparing biocatalyst by mutagenesis, contacting the biocatalyst with the liquid hydrocarbon fuel in an aqueous medium for transforming the aromatic, sulfur, and nitrogen containing compounds to polar substances, subjecting the mixture of biocatalyst and the liquid hydrocarbon fuel to a process of bioconversion, removing the polar substances by liquid-liquid extraction with a polar solvent to obtain dearomatized, desulphurised and denitrogenated liquid hydrocarbon fuel and recovering the upgraded liquid hydrocarbon fuel.

摘要翻译： 本文公开了通过降低芳烃含量，硫含量和氮含量来提高液体烃燃料的方法，其中所述方法包括通过诱变分离多环芳烃（PAH）转化微生物并制备生物催化剂，使生物催化剂与液体烃燃料在水溶液 用于将芳族，硫和氮的化合物转化为极性物质的介质，使生物催化剂和液体烃燃料的混合物经历生物转化过程，通过用极性溶剂液 - 液萃取除去极性物质，得到脱芳香，脱硫 和脱氮液态烃燃料，并回收升级液化烃燃料。