公开(公告)号：US20100126842A1

公开(公告)日：2010-05-27

申请号：US12593622

申请日：2008-03-27

Applicant: Mahesh Subramaniyam

Inventor： Mahesh Subramaniyam

IPC: B01D3/34 ,  C07F9/02

CPC classification number: C10G75/02 ,  C07F9/04

Abstract: The present invention relates to the field of processing hydrocarbons which causes corrosion in the metal surfaces of processing units. The invention addresses the technical problem of high temperature naphthenic acid corrosion and sulphur corrosion and provides a solution to inhibit these types of corrosion. The composition formed by reacting high reactive polyisobutylene (HRPIB) with phosphorous pentasulphide in presence of catalytic amount of sulphur provides high corrosion inhibition efficiency in case of high temperature naphthenic acid corrosion inhibition and sulphur corrosion inhibition. The invention is useful in all hydrocarbon processing units, such as, refineries, distillation columns and other petrochemical industries.

Abstract translation: 本发明涉及在处理单元的金属表面中引起腐蚀的烃的加工领域。 本发明解决了高温环烷酸腐蚀和硫腐蚀的技术问题，并提供了抑制这些腐蚀类型的溶液。 在高催化量的硫存在下使高活性聚异丁烯（HRPIB）与五硫化磷反应形成的组合物在耐高温环烷酸腐蚀抑制和硫腐蚀抑制的情况下提供高腐蚀抑制效率。 本发明可用于所有烃处理装置，如炼油厂，蒸馏塔和其他石化行业。

公开(公告)号：US09115319B2

公开(公告)日：2015-08-25

申请号：US12677791

申请日：2008-09-12

Applicant: Mahesh Subramaniyam

Inventor： Mahesh Subramaniyam

IPC: C10G75/02 ,  C10L1/26 ,  C10L10/04 ,  C10M137/14 ,  C10L1/188

CPC classification number: C10G75/02 ,  C10G2300/1033 ,  C10G2300/202 ,  C10G2300/203 ,  C10G2300/4075 ,  C10G2300/80 ,  C10L1/1886 ,  C10L1/26 ,  C10L1/2616 ,  C10L1/265 ,  C10L1/2683 ,  C10L1/2691 ,  C10L10/04 ,  C10M137/14 ,  C10M2207/16 ,  C10M2223/065 ,  C10N2230/12

Abstract: The present invention relates to the field of processing hydrocarbons which causes corrosion in the metal surfaces of processing units. The invention addresses the technical problem of high temperature naphthenic acid corrosion and sulphur corrosion and provides a solution to inhibit these types of corrosion. The three combination compositions are formed by two mixtures separately, with one mixture obtained by mixing compound A, which is obtained by reacting high reactive polyisobutylene (HRPIB) with phosphorous pentasulphide in presence of catalytic amount of sulphur with compound B which is thiophosphorous compound such as phosphorous thioacid ester of Formula (1) and second mixture obtained by mixing compound A with compound C of Formula (2) which is obtained by reacting compound B with ethylene oxide, wherein each of these two mixtures independently provide high corrosion inhibition efficiency in case of high temperature naphthenic acid corrosion inhibition and sulphur corrosion inhibition. The invention is useful in all hydrocarbon processing units, such as, refineries, distillation columns and other petrochemical industries.

Abstract translation: 本发明涉及在处理单元的金属表面中引起腐蚀的烃的加工领域。 本发明解决了高温环烷酸腐蚀和硫腐蚀的技术问题，并提供了抑制这些腐蚀类型的溶液。 三种组合组合物分别由两种混合物形成，一种混合​​物通过混合化合物A，其通过使高活性聚异丁烯（HRPIB）与五硫化磷在催化量的硫存在下与化合物B（其是硫代磷酸化合物）反应而获得， 通过将化合物B与通式（2）的化合物C混合而获得的第二种混合物，其通过使化合物B与环氧乙烷反应获得，其中这两种混合物中的每一种独立地提供高的腐蚀抑制效率 高温环烷酸腐蚀抑制和硫磺腐蚀抑制。 本发明可用于所有烃处理装置，如炼油厂，蒸馏塔和其他石化行业。

公开(公告)号：US08840781B2

公开(公告)日：2014-09-23

申请号：US14128231

申请日：2012-06-26

Applicant: Mahesh Subramaniyam

Inventor： Mahesh Subramaniyam

IPC: C10G29/24 ,  C10G21/16 ,  C10G29/22

CPC classification number: C10G29/24 ,  C07C37/72 ,  C07C47/127 ,  C10G21/16 ,  C10G29/22 ,  C10G2300/203 ,  C10G2300/205 ,  C10G2300/80 ,  C07C39/14

Abstract: There is provided an additive and method for removal of calcium from crude oil or its blends containing calcium naphthenate at low pH as well as at high pH varying from 5 to 11, preferably from 6 to 11, more preferably from 7 to 11, wherein the additive is glyoxal and said pH is of the wash water for crude oil processing systems.There is also provided an additive and method for removal of calcium from crude oil or its blends containing calcium naphthenate, wherein crude oil is treated with wash water containing alkaline medium selected from the group comprising sodium hydroxide (NaOH or caustic), ammonia or amine compound, or mixture thereof, and wherein pH of the wash water or of the processing mixture in the desalter varies from 5 to 11, preferably from 6 to 11, preferably from 7 to 11, characterized in that the additive is glyoxal and the crude oil or its blend is treated with glyoxal.

Abstract translation: 提供了一种添加剂和方法，用于在低pH值以及从5至11，优选6至11，更优选7至11的高pH下从原油或其含有环烷酸钙的混合物中除去钙，其中 添加剂是乙二醛，所述pH是原油处理系统的洗涤水。 还提供了从原油或其含有环烷酸钙的共混物中除去钙的添加剂和方法，其中使用含有碱性介质的洗涤水处理原油，所述碱性介质选自氢氧化钠（NaOH或苛性碱），氨或胺化合物 或其混合物，并且其中洗涤水或脱盐剂中的处理混合物的pH为5至11，优选6至11，优选7至11，其特征在于添加剂为乙二醛，并且原油或 其混合物用乙二醛处理。

公开(公告)号：US08766027B1

公开(公告)日：2014-07-01

申请号：US14240817

申请日：2012-08-17

Applicant: Mahesh Subramaniyam

Inventor： Mahesh Subramaniyam

IPC: C08F2/40 ,  C08F12/08 ,  C07C7/20 ,  C07C15/46 ,  C09K15/24

CPC classification number: C07C15/46 ,  C07C7/20 ,  C08F12/08 ,  C09K15/24 ,  C08F2/40

Abstract: The present invention relates to additive composition for control and inhibition of polymerization of styrene, wherein the composition comprises amine and quinone methide, and wherein the amine is polymerization non-inhibitor amine. In one embodiment, the present invention relates to method of preparation and use of additive composition to control and inhibit polymerization of styrene, wherein the composition comprises amine and quinone methide, and wherein the amine is polymerization non-inhibitor amine. In another embodiment, the present invention relates to additive composition for control and inhibition of polymerization of styrene, wherein the composition comprises oxide treated derivative of amine and quinone methide, and wherein the amine is polymerization non-inhibitor amine, and to the method of preparation and use thereof.

Abstract translation: 本发明涉及用于控制和抑制苯乙烯聚合的添加剂组合物，其中组合物包含胺和醌甲基化物，并且其中胺是聚合非抑制剂胺。 在一个实施方案中，本发明涉及制备和使用添加剂组合物以控制和抑制苯乙烯聚合的方法，其中所述组合物包含胺和醌甲基化物，并且其中所述胺是聚合非抑制剂胺。 在另一个实施方案中，本发明涉及用于控制和抑制苯乙烯聚合的添加剂组合物，其中所述组合物包含氧化物处理的胺和醌甲基化物的衍生物，其中胺是聚合非抑制剂胺，以及制备方法 及其用途。

公开(公告)号：US07575669B2

公开(公告)日：2009-08-18

申请号：US11021389

申请日：2004-12-23

Applicant: Mahesh Subramaniyam

Inventor： Mahesh Subramaniyam

IPC: C10G11/00 ,  C10G9/00 ,  C10G9/16 ,  C10G9/12 ,  C10G75/04

CPC classification number: C10G75/04 ,  C10G19/02 ,  C10G70/06 ,  C10G2300/4075 ,  C10G2400/20 ,  Y02P30/464

Abstract: A method for mitigating fouling in a wash unit used in a hydrocarbon cracking process wherein the fouling is due to the presence of polymers and deposits thereof formed by condensation of carbonyl compounds contained within a feed stream of the wash unit. In one embodiment, the invention provides a method of mitigating fouling in a wash unit by introducing into the feed stream an effective amount of an additive including: an inorganic salt of dithionite; and an epsilon caprolactam or a 6-amino caproic acid derivable therefrom. The additive scavenges the carbonyl compounds contained within the feed stream and dissolves deposits of the polymers to thereby mitigate fouling in the wash unit.

Abstract translation: 用于缓解在烃裂解过程中使用的洗涤单元中的结垢的方法，其中结垢是由于聚合物的存在以及由洗涤单元的进料流中包含的羰基化合物的缩合形成的沉积物。 在一个实施方案中，本发明提供了一种通过向进料流中引入有效量的添加剂来减轻洗涤单元中的结垢的方法，所述添加剂包括：连二亚硫酸盐的无机盐; 以及可从其衍生的ε-己内酰胺或6-氨基己酸。 添加剂清除进料流中包含的羰基化合物，并溶解聚合物的沉积物，从而减轻洗涤单元中的结垢。

公开(公告)号：US20050224394A1

公开(公告)日：2005-10-13

申请号：US11021389

申请日：2004-12-23

Applicant: Mahesh Subramaniyam

Inventor： Mahesh Subramaniyam

IPC: C07C7/00 ,  C07C11/04 ,  C07C11/167 ,  C10G19/02 ,  C10G55/04 ,  C10G70/06 ,  C10G75/04 ,  C10G9/16

CPC classification number: C10G75/04 ,  C10G19/02 ,  C10G70/06 ,  C10G2300/4075 ,  C10G2400/20 ,  Y02P30/464

Abstract: A method for mitigating fouling in a wash unit used in a hydrocarbon cracking process wherein the fouling is due to the presence of polymers and deposits thereof formed by condensation of carbonyl compounds contained within a feed stream of the wash unit. In one embodiment, the invention provides a method of mitigating fouling in a wash unit by introducing into the feed stream an effective amount of an additive including: an inorganic salt of dithionite; and an epsilon caprolactam or a 6-amino caproic acid derivable therefrom. The additive scavenges the carbonyl compounds contained within the feed stream and dissolves deposits of the polymers to thereby mitigate fouling in the wash unit.

Abstract translation: 用于缓解在烃裂解过程中使用的洗涤单元中的结垢的方法，其中结垢是由于聚合物的存在以及由洗涤单元的进料流中包含的羰基化合物的缩合形成的沉积物。 在一个实施方案中，本发明提供了一种通过向进料流中引入有效量的添加剂来减轻洗涤单元中的结垢的方法，所述添加剂包括：连二亚硫酸盐的无机盐; 以及可从其衍生的ε-己内酰胺或6-氨基己酸。 添加剂清除进料流中包含的羰基化合物，并溶解聚合物的沉积物，从而减轻洗涤单元中的结垢。

公开(公告)号：US09890339B2

公开(公告)日：2018-02-13

申请号：US13060819

申请日：2009-08-25

Applicant: Mahesh Subramaniyam

Inventor： Mahesh Subramaniyam

IPC: C08F279/00 ,  C10G75/02 ,  C10L1/26 ,  C10L10/04

CPC classification number: C10G75/02 ,  C10G2300/4075 ,  C10L1/2683 ,  C10L10/04

Abstract: The present invention relates to the field of corrosion inhibition in hydrocarbon fluid processing units. The present invention comprises a new additive for inhibiting acid corrosion comprising polymeric thiophosphate ester, which is obtained by reaction of a polymer compound having mono, di or poly hydroxyl group, preferably polymer compound which is hydroxyl-termination, more preferably said polymer compound comprising hydroxyl-terminated polyisobutylene or polybutene and phosphorous pentasulphide. Said polymeric thiophosphate ester is further reacted with any oxide selected from group consisting of ethylene oxide, butylenes oxide or propylene oxide or such other oxide, preferably ethylene oxide, capably forming ethylene oxide derivative of thiophosphate ester. The invention is useful effecting acid corrosion inhibition on the metal surfaces of a distillation unit, distillation column, trays, packing and pump around piping.

公开(公告)号：US20140183102A1

公开(公告)日：2014-07-03

申请号：US14128231

申请日：2012-06-26

Applicant: Mahesh Subramaniyam

Inventor： Mahesh Subramaniyam

IPC: C10G29/24

CPC classification number: C10G29/24 ,  C07C37/72 ,  C07C47/127 ,  C10G21/16 ,  C10G29/22 ,  C10G2300/203 ,  C10G2300/205 ,  C10G2300/80 ,  C07C39/14

Abstract: There is provided an additive and method for removal of calcium from crude oil or its blends containing calcium naphthenate at low pH as well as at high pH varying from 5 to 11, preferably from 6 to 11, more preferably from 7 to 11, wherein the additive is glyoxal and said pH is of the wash water for crude oil processing systems.There is also provided an additive and method for removal of calcium from crude oil or its blends containing calcium naphthenate, wherein crude oil is treated with wash water containing alkaline medium selected from the group comprising sodium hydroxide (NaOH or caustic), ammonia or amine compound, or mixture thereof, and wherein pH of the wash water or of the processing mixture in the desalter varies from 5 to 11, preferably from 6 to 11, preferably from 7 to 11, characterized in that the additive is glyoxal and the crude oil or its blend is treated with glyoxal.

Abstract translation: 提供了一种添加剂和方法，用于在低pH值以及从5至11，优选6至11，更优选7至11的高pH下从原油或其含有环烷酸钙的混合物中除去钙，其中 添加剂是乙二醛，所述pH是原油处理系统的洗涤水。 还提供了从原油或其含有环烷酸钙的共混物中除去钙的添加剂和方法，其中使用含有碱性介质的洗涤水处理原油，所述碱性介质选自氢氧化钠（NaOH或苛性碱），氨或胺化合物 或其混合物，并且其中洗涤水或脱盐剂中的处理混合物的pH为5至11，优选6至11，优选7至11，其特征在于添加剂为乙二醛，并且原油或 其混合物用乙二醛处理。

公开(公告)号：US20130233770A1

公开(公告)日：2013-09-12

申请号：US13885216

申请日：2011-11-14

Applicant: Mahesh Subramaniyam

Inventor： Mahesh Subramaniyam

IPC: C10G29/22

CPC classification number: C10G29/22 ,  C10G17/02 ,  C10G19/00 ,  C10G31/08 ,  C10G2300/202 ,  C10G2300/80

Abstract: There is provided an additive and method for removal of calcium from crude oil or its blends containing calcium naphthenate at low pH as well as at high pH. Particularly, there is also provided an additive and method for removal of calcium from crude oil or its blends containing calcium naphthenate under basic or alkaline conditions and at low pH as well as at high pH varying from about 5 to 11.

Abstract translation: 提供了在低pH和高pH下从原油或其含有环烷酸钙的共混物中除去钙的添加剂和方法。 特别地，还提供了在碱性或碱性条件下以及在低pH以及约5至11变化的高pH下从含有环烷酸钙的原油或其混合物中除去钙的添加剂和方法。

公开(公告)号：US20110160405A1

公开(公告)日：2011-06-30

申请号：US13061045

申请日：2009-08-26

Applicant: Mahesh Subramaniyam

Inventor： Mahesh Subramaniyam

IPC: C08F8/40 ,  B05D1/00 ,  B05D5/00 ,  C07C7/20

Abstract: The present invention relates to the field of inhibition of metal corrosion in hot acidic hydrocarbons, wherein acidity is derived from presence of naphthenic acid. More particularly, it relates to a polymeric additive for inhibiting high temperature napthenic acid corrosion, wherein said polymeric additive is polymeric phosphate ester of polyisobutylene succinate ester or oxide derivative of polymeric phosphate ester of polyisobutylene succinate ester. A polymeric phosphate ester of polyisobutylene succinate ester which is capable of acting as naphthenic acid corrosion inhibitor by inhibiting naphthenic acid corrosion in crude oil/feedstock/hydrocarbon streams containing naphthenic acid, and demonstrating higher thermal stability at elevated temperature varying from about 200° C. to about 400° C. [about 400° F. to about 750° F.] is disclosed.

Abstract translation: 本发明涉及在热酸性烃中金属腐蚀的抑制领域，其中酸度源于环烷酸的存在。 更具体地说，本发明涉及一种用于抑制高温环烷酸腐蚀的聚合物添加剂，其中所述聚合物添加剂是聚异丁烯琥珀酸酯的聚合磷酸酯或聚异丁烯琥珀酸酯的聚合磷酸酯的氧化物衍生物。 聚异丁烯琥珀酸酯的聚合磷酸酯，其能够通过在含有环烷酸的原油/原料/烃流中抑制环烷酸腐蚀而作为环烷酸腐蚀抑制剂，并且在升高的温度下表现出较高的热稳定性，其变化为约200℃ 至约400℃。[约400°F至约750°F]。