公开(公告)号：US4977121A

公开(公告)日：1990-12-11

申请号：US5806

申请日：1987-01-22

Applicant: Pierre Dufresne ,  Jean-Pierre Franck ,  Francis Raatz ,  Christine Travers

Inventor： Pierre Dufresne ,  Jean-Pierre Franck ,  Francis Raatz ,  Christine Travers

IPC: B01J29/00 ,  B01J29/20 ,  B01J29/22 ,  B01J29/24 ,  C07C5/27 ,  C10G35/095 ,  C10G45/60 ,  C10G45/64

CPC classification number: C10G35/095 ,  B01J29/20 ,  C07C5/2791

Abstract: The invention concerns a catalyst containing by weight:(a) from 10 to 99.99% of a mordenite being in major part shaped as needles and having a Si/Al atomic ratio of about 5 to 50, a benzene adsorption capacity of more than 5% by weight with respect to the dry mordenite weight, a volume V of a unit cell from 2.73 to 2,78 nm.sup.3, a sodium content by weight lower than 0.2% and adsorbing molecules of a kinetic diameter larger than about 6.6.times.10.sup.-10 m,(b) from 0 to 89.99% of a matrix,(c) from 0.005 to 15% of at least one metal from group VIII, and(d) from 0.005 to 10% of at least one metal from group IV A.The catalyst is used for hydroisomerizing cuts containing a high proportion of normal paraffins having 4, 5, 6 or 7 carbon atoms per molecule to obtain with a good conversion and selectivity a mixture containing a high proportion of isoparaffins.

公开(公告)号：US4891200A

公开(公告)日：1990-01-02

申请号：US865179

申请日：1986-05-19

Applicant: Francois Fajula ,  Francois Figueras ,  Latifa Moudafi ,  Mercedes Vera Pacheco ,  Serge Nicolas ,  Pierre Dufresne ,  Claude Gueguen

Inventor： Francois Fajula ,  Francois Figueras ,  Latifa Moudafi ,  Mercedes Vera Pacheco ,  Serge Nicolas ,  Pierre Dufresne ,  Claude Gueguen

IPC: C07B61/00 ,  B01J20/16 ,  B01J20/30 ,  B01J29/00 ,  B01J29/70 ,  C01B39/04 ,  C01B39/34 ,  C01B39/46 ,  C01B39/48 ,  C07C1/00 ,  C07C5/27 ,  C07C15/08 ,  C07C27/00 ,  C07C29/04 ,  C07C31/02 ,  C07C31/125 ,  C07C67/00

CPC classification number: C07C5/2708 ,  B01J29/7011 ,  C01B39/34 ,  C07C29/04 ,  B01J2229/26 ,  B01J2229/42 ,  Y10S423/26

Abstract: This invention concerns an omega type zeolite of high thermal stability, present in the form of hexagonal prismatic monocrystals having scored or plane faces of 0.1 .mu.m in edge and 0.5 to 5 .mu.m in length, this zeolite being obtained through crystallization from a mother solution containing a silica source, alumina, metallic oxide, an organic cation and water, in which the alumina source is a crystalline aluminosilicate of which at least one part is in suspension in the mother solution. In its acid form this zeolite can be used as catalyst for hydration of olefins and isomeric change of xylenes.

Abstract translation: 本发明涉及一种具有高热稳定性的ω型沸石，以六边形棱柱形单晶形式存在，其边缘为0.1μm，平均长度为0.5-5μm，该沸石是通过母溶液结晶获得的 含有二氧化硅源，氧化铝，金属氧化物，有机阳离子和水，其中氧化铝源是其中至少一部分在母溶液中悬浮的结晶硅铝酸盐。 在其酸性形式中，该沸石可用作烯烃水合和二甲苯异构体变化的催化剂。

公开(公告)号：US4784750A

公开(公告)日：1988-11-15

申请号：US870595

申请日：1986-06-04

Applicant: Pierre Dufresne ,  Christian Marcilly

Inventor： Pierre Dufresne ,  Christian Marcilly

IPC: C10G11/04 ,  B01J29/08 ,  C10G11/00 ,  C10G11/05

CPC classification number: C10G11/05 ,  B01J29/084

Abstract: The invention concerns a hydrocarbon cracking catalyst containing a mixture of amorphous matrix with a zeolite, the zeolite having a SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio ranging from about 8 to 70, a sodium content lower than 0.15% by weight, a parameter a.sub..degree. of elementary mesh from 24.55 to 24.24.times.10.sup.-10 m, a capacity C.sub.Na to retake sodium ions, expressed in grams of sodium per 100 grams of modified zeolite, higher than 0.85, a specific surface higher than 400 m.sup.2.g.sup.-1, a sodium ion uptake steam adsorption capacity at 25.degree. C. (with a P/Po ratio of 0.10) higher than 6% by weight, a pore distribution such that from 1 to 20% of the pore volume is pores of a diameter ranging from 20 to 80.10.sup.-10 m, the remaining pore volume being essentially pores of a diameter lower than 20.10.sup.-10 m, the matrix being characterized by the following textural properties:S .gtoreq.100 m.sup.2.g.sup.-1TPV .gtoreq.0.4 cm.sup.3.g.sup.-1PV.sub.75 .gtoreq.0.25 cm.sup.3.g.sup.-1PV.sub.75 /TPV .gtoreq.0.5

Abstract translation: 本发明涉及一种含有无定形基质与沸石混合物的烃裂解催化剂，该沸石的SiO 2 / Al 2 O 3摩尔比约为8-70，钠含量低于0.15％（重量），参数a DEG基本网格 从24.55至24.24×10-10 m，CNa重新获得钠离子，以每克100克改性沸石钠表示，高于0.85，比表面积高于400 m2.g-1，钠离子吸收蒸汽 吸附容量在25℃（P / Po比为0.10）高于6重量％，孔分布使得孔体积的1至20％是直径为20至80.10-10的孔 m，剩余的孔体积基本上是直径小于20.10-10μm的孔，该基体的特征在于以下结构性质：S> = 100m 2·g-1 TPV> / = 0.4cm 3·g-1 PV 75 > = 0.25cm 3·g -1 PV75 / TPV> / = 0。

公开(公告)号：US4727217A

公开(公告)日：1988-02-23

申请号：US1151

申请日：1987-01-07

Applicant: Christine Travers ,  Pierre Dufresne ,  Francis Raatz ,  Christian Marcilly

Inventor： Christine Travers ,  Pierre Dufresne ,  Francis Raatz ,  Christian Marcilly

IPC: C10G35/095 ,  B01J29/18 ,  B01J29/22 ,  B01J35/00 ,  C07B61/00 ,  C07C1/00 ,  C07C5/27 ,  C07C9/00 ,  C07C67/00 ,  C10G45/64 ,  C07C5/13

CPC classification number: C10G45/64 ,  B01J29/18 ,  B01J29/22 ,  C07C5/2702 ,  B01J2229/16 ,  B01J2229/37 ,  B01J2229/40 ,  B01J2229/42 ,  B01J35/002 ,  C07C2529/18

Abstract: The invention concerns a new mordenite adsorbing molecules of a kinetic diameter higher than about 0.66 nm, prepared from a mordenite of the so-called small pores type.Said zeolite, admixed with a matrix and at least one group VIII metal can be used in n-paraffins hydroisomerization reactions.

Abstract translation: 本发明涉及由所谓的小孔型的丝光沸石制备的动力学直径大于约0.66nm的新的丝光沸石吸附分子。 所述沸石与基质和至少一种第Ⅷ族金属混合可用于正链烷烃加氢异构化反应。

公开(公告)号：US20120231947A1

公开(公告)日：2012-09-13

申请号：US13344887

申请日：2012-01-06

Applicant: Philippe Kerleau ,  Pierre Dufresne

Inventor： Philippe Kerleau ,  Pierre Dufresne

IPC: B01J38/48 ,  B01J38/56

CPC classification number: B01J23/75 ,  B01J21/04 ,  B01J23/882 ,  B01J23/883 ,  B01J23/90 ,  B01J23/92 ,  B01J23/94 ,  B01J23/96 ,  B01J29/064 ,  B01J29/90 ,  B01J35/1019 ,  B01J38/02 ,  B01J38/10 ,  B01J38/12 ,  B01J38/56 ,  B01J38/68 ,  B01J2038/005

Abstract: The invention provides a process for the off site regeneration of a solid catalyst, comprising two consecutive steps: a first step of washing the catalyst using one or more fluid(s) in the supercritical state, so as to extract from the catalyst at least a portion of the hydrocarbons present at the surface of the latter, followed by a second step of combustion of at least a portion of the coke present at the surface of the said catalyst by a heat treatment of the latter in the presence of oxygen and at a temperature ranging from 300° C. to 600° C.

Abstract translation: 本发明提供了一种用于固体催化剂的非现场再生的方法，包括两个连续步骤：第一步骤，使用超临界状态的一种或多种流体洗涤催化剂，以便从催化剂中提取至少一种 存在于后者的表面的部分烃，随后是通过在氧的存在下热处理在所述催化剂的表面处的至少一部分焦炭燃烧第二步骤 温度范围从300°C到600°C

公开(公告)号：US20100105540A1

公开(公告)日：2010-04-29

申请号：US12573646

申请日：2009-10-05

Applicant: Pauline Galliou ,  Eric Nagy ,  Pierre Dufresne

Inventor： Pauline Galliou ,  Eric Nagy ,  Pierre Dufresne

IPC: B01J38/12 ,  B01J38/62 ,  B01J31/04

CPC classification number: C10G45/08 ,  B01J23/85 ,  B01J23/882 ,  B01J23/883 ,  B01J23/888 ,  B01J23/94 ,  B01J31/04 ,  B01J31/403 ,  B01J35/1019 ,  B01J35/1038 ,  B01J35/1042 ,  B01J35/1061 ,  B01J37/0203 ,  B01J37/20 ,  B01J38/02 ,  B01J38/12 ,  B01J38/52 ,  B01J38/62 ,  B01J2231/641 ,  C10G47/16

Abstract: The present invention provides a process for the regeneration of a catalyst comprising at least one metal from Group VIII and at least one metal from Group VIB which are deposited on a refractory oxide support, comprising: at least one first step of heat treatment of the catalyst in the presence of oxygen and at a temperature ranging from 350° C. to 550° C.; at least one second step of deposition, at the surface of the catalyst, of one or more additive(s) of formula (I):

Abstract translation: 本发明提供了一种催化剂的再生方法，该催化剂包含至少一种来自第VIII族的金属和至少一种沉积在难熔氧化物载体上的VIB族金属，包括：至少一个热处理催化剂的第一步骤 在氧的存在下和在350℃至550℃的温度下进行。 在催化剂的表面上沉积一种或多种式（I）的添加剂的至少一个第二步骤：

公开(公告)号：US20070032372A1

公开(公告)日：2007-02-08

申请号：US10554873

申请日：2004-04-28

Applicant: Pierre Dufresne ,  Franck Labruyere ,  Francois Locatelli

Inventor： Pierre Dufresne ,  Franck Labruyere ,  Francois Locatelli

IPC: B01J27/043 ,  B01J27/02 ,  B01J38/00 ,  B01J21/20 ,  B01J25/04 ,  C07C5/03

CPC classification number: C10G49/02 ,  B01J37/14 ,  B01J37/20 ,  C10G49/04 ,  C10G2300/705

Abstract: The present invention concerns a process for “ex situ” treatment of a hydrogenation catalyst containing nickel prior to use, consisting of carrying out three steps, namely bringing the catalyst into contact with at least one sulphur-containing compound or agent (the step termed selectivation), treating said catalyst with hydrogen at a temperature of more than 250° C. (the step termed reduction) and passivation of said catalyst.

Abstract translation: 本发明涉及一种在使用前对含镍的氢化催化剂进行“非原位”处理的方法，包括进行三个步骤，即使催化剂与至少一种含硫化合物或试剂接触（称为选择性的步骤 ），在大于250℃的温度（所述还原步骤）和所述催化剂的钝化下用氢气处理所述催化剂。

公开(公告)号：US6077803A

公开(公告)日：2000-06-20

申请号：US769513

申请日：1996-12-19

Applicant: Pierre Dufresne ,  Nilanjan Brahma

Inventor： Pierre Dufresne ,  Nilanjan Brahma

IPC: B01J27/051 ,  B01J37/20 ,  C10G45/04 ,  B01J20/34 ,  B01J27/02 ,  B01J38/60

CPC classification number: C10G45/04 ,  B01J37/20

Abstract: A process for presulfurizing a refining catalyst or petrochemical catalyst consists of bringing a catalyst into contact with liquid elementary sulfur or elementary sulfur dissolved in a liquid, preferably another sulfur compound such as an organic polysulfide, in the presence of a stabilizing agent, e.g., a fatty acid, mercaptan or alcohol.

Abstract translation: 精炼催化剂或石油化学催化剂的预硫化方法包括使催化剂与溶于液体中的液体元素硫或元素硫，优选另一种硫化合物如有机多硫化物在稳定剂（例如， 脂肪酸，硫醇或酒精。

公开(公告)号：US5985787A

公开(公告)日：1999-11-16

申请号：US260295

申请日：1994-06-14

Applicant: Pierre Dufresne ,  Nilanjan Brahma ,  Stephen R. Murff

Inventor： Pierre Dufresne ,  Nilanjan Brahma ,  Stephen R. Murff

IPC: B01J37/20 ,  C10G45/08 ,  C10G49/04 ,  B01J27/047 ,  B01J23/00 ,  B01J27/051

CPC classification number: B01J37/20 ,  B01J23/85 ,  B01J23/882

Abstract: The invention concerns a novel presulphuration process for a hydrocarbon conversion catalyst. Presulphuration is preferably carried out offsite (ex-situ). The catalyst presulphuration process is characterized in that a presulphuration agent is used which contains (a) at least one first sulphur compound with a decomposition point T1 of less than 220.degree. C. and (b) at least one second sulphur compound with a decomposition point greater than about 220.degree. C.

Abstract translation: 本发明涉及用于烃转化催化剂的新型预硫化方法。 预硫化优选在非现场（非原位）进行。 催化剂预硫过程的特征在于使用含有（a）至少一种分解点T1小于220℃的至少一种第一硫化合物和（b）至少一种具有分解点的第二硫化合物的预硫化剂 大于约220℃

公开(公告)号：US5345019A

公开(公告)日：1994-09-06

申请号：US886225

申请日：1992-05-21

Applicant: Pierre-Henri Bigeard ,  Alain Billon ,  Pierre Dufresne ,  Samuel Mignard

Inventor： Pierre-Henri Bigeard ,  Alain Billon ,  Pierre Dufresne ,  Samuel Mignard

IPC: C10G65/10 ,  C07C5/00 ,  C07C5/42

CPC classification number: C10G65/10 ,  Y10S585/946

Abstract: A method of hydrocracking charges emanating from the Fischer-Tropsch process, in which:(a) hydrogen is reacted with the charge in contact with a catalyst 1 in a first reaction zone, the said catalyst 1 comprising at least one alumina-based matrix and at least one hydro-dehydrogenation component;(b) the effluent from the first reaction zone is put into contact with a catalyst 2 in a second reaction zone, the said catalyst 2 comprising:20 to 97% by weight of at least one matrix;3 to 80% by weight of at least one Y zeolite in hydrogen form,the said zeolite being characterized by an SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio of over 4.5:1, a sodium content of less than 1% by weight determined on a zeolite calcined at 1100.degree. C.; an a.sub.o crystal parameter of the elemental mesh of less than 24.70.times.10.sup.-10 m; and a specific surface area determined by the BET method of over 400 m.sup.2.g.sup.-1 ;and at least one hydro-dehydrogenation component.

Abstract translation: 一种从费 - 托法生产的加氢裂化装料的方法，其中：（a）在第一反应区中使氢气与与催化剂1接触的电荷反应，所述催化剂1包含至少一种基于氧化铝的基体和 至少一种氢脱氢组分; （b）来自第一反应区的流出物与第二反应区中的催化剂2接触，所述催化剂2包含：至少一种基质的20至97重量％; 3至80重量％的至少一种氢形式的Y沸石，所述沸石的特征在于SiO 2 / Al 2 O 3摩尔比超过4.5:1，钠含量小于1重量％，在沸石上煅烧 1100℃。 元素网的ao晶体参数小于24.70x10-10 m; 并且通过BET法测定的比表面积超过400m 2·g -1; 和至少一种氢脱氢组分。