[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

FR3076746B1 - Procede de preparation d'un catalyseur particulier d'hydrogenation selective par malaxage et impregnation - Google Patents

Procede de preparation d'un catalyseur particulier d'hydrogenation selective par malaxage et impregnation Download PDF

Info

Publication number
FR3076746B1
FR3076746B1 FR1850281A FR1850281A FR3076746B1 FR 3076746 B1 FR3076746 B1 FR 3076746B1 FR 1850281 A FR1850281 A FR 1850281A FR 1850281 A FR1850281 A FR 1850281A FR 3076746 B1 FR3076746 B1 FR 3076746B1
Authority
FR
France
Prior art keywords
impregnation
preparing
mixing
selective hydrogenation
particular catalyst
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
FR1850281A
Other languages
English (en)
Other versions
FR3076746A1 (fr
Inventor
Malika Boualleg
Anne-Claire Dubreuil
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Priority to FR1850281A priority Critical patent/FR3076746B1/fr
Priority to CN201910035628.8A priority patent/CN110038575B/zh
Publication of FR3076746A1 publication Critical patent/FR3076746A1/fr
Application granted granted Critical
Publication of FR3076746B1 publication Critical patent/FR3076746B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74—Iron group metals
    • B01J23/755—Nickel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • B01J35/45—Nanoparticles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • B01J35/615—100-500 m2/g
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/633—Pore volume less than 0.5 ml/g
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/635—0.5-1.0 ml/g
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64—Pore diameter
    • B01J35/647—2-50 nm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64—Pore diameter
    • B01J35/651—50-500 nm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/66—Pore distribution
    • B01J35/69—Pore distribution bimodal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0203—Impregnation the impregnation liquid containing organic compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0205—Impregnation in several steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/04—Mixing
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
    • C10G45/02—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing
    • C10G45/04—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing characterised by the catalyst used
    • C10G45/06—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing characterised by the catalyst used containing nickel or cobalt metal, or compounds thereof
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
    • C10G45/32—Selective hydrogenation of the diolefin or acetylene compounds
    • C10G45/34—Selective hydrogenation of the diolefin or acetylene compounds characterised by the catalyst used
    • C10G45/36—Selective hydrogenation of the diolefin or acetylene compounds characterised by the catalyst used containing nickel or cobalt metal, or compounds thereof
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
    • C10G45/44—Hydrogenation of the aromatic hydrocarbons
    • C10G45/46—Hydrogenation of the aromatic hydrocarbons characterised by the catalyst used
    • C10G45/48—Hydrogenation of the aromatic hydrocarbons characterised by the catalyst used containing nickel or cobalt metal, or compounds thereof
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
    • C10G45/58—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins
    • C10G45/60—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins characterised by the catalyst used
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/70—Catalyst aspects

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Catalysts (AREA)
FR1850281A 2018-01-15 2018-01-15 Procede de preparation d'un catalyseur particulier d'hydrogenation selective par malaxage et impregnation Active FR3076746B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1850281A FR3076746B1 (fr) 2018-01-15 2018-01-15 Procede de preparation d'un catalyseur particulier d'hydrogenation selective par malaxage et impregnation
CN201910035628.8A CN110038575B (zh) 2018-01-15 2019-01-15 通过捏合和浸渍制备特定的选择性加氢催化剂的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1850281A FR3076746B1 (fr) 2018-01-15 2018-01-15 Procede de preparation d'un catalyseur particulier d'hydrogenation selective par malaxage et impregnation
FR1850281 2018-01-15

Publications (2)

Publication Number Publication Date
FR3076746A1 FR3076746A1 (fr) 2019-07-19
FR3076746B1 true FR3076746B1 (fr) 2022-07-01

Family

ID=62067665

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1850281A Active FR3076746B1 (fr) 2018-01-15 2018-01-15 Procede de preparation d'un catalyseur particulier d'hydrogenation selective par malaxage et impregnation

Country Status (2)

Country Link
CN (1) CN110038575B (fr)
FR (1) FR3076746B1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3099387B1 (fr) * 2019-07-31 2021-10-29 Ifp Energies Now Catalyseur comprenant une phase active de nickel repartie en croute
FR3099386B1 (fr) * 2019-07-31 2021-07-16 Ifp Energies Now Catalyseur comprenant une phase active de nickel repartie en croute et un alliage nickel cuivre
FR3099389B1 (fr) * 2019-07-31 2021-07-16 Ifp Energies Now Catalyseur comprenant une phase active de nickel soufre repartie en croute
FR3099391B1 (fr) 2019-07-31 2021-10-29 Ifp Energies Now Catalyseur comprenant une phase active de nickel sous forme de petites particules repartie en croute
FR3099388B1 (fr) * 2019-07-31 2021-07-16 Ifp Energies Now Catalyseur comprenant une phase active de nickel sous forme de petites particules repartie en croute et un alliage nickel cuivre
FR3099390B1 (fr) * 2019-07-31 2021-10-29 Ifp Energies Now Catalyseur comprenant une phase active de nickel sous forme de petites particules et un alliage nickel cuivre
CN112742424B (zh) * 2019-10-29 2022-11-08 中国石油化工股份有限公司 一种重质油加氢处理催化剂制备方法
FR3104461B1 (fr) * 2019-12-17 2022-06-17 Ifp Energies Now Catalyseur d’hydrogenation selective obtenu a partir de sels fondus et d’un additif organique
FR3104462B1 (fr) * 2019-12-17 2022-06-10 Ifp Energies Now Catalyseur pour l’hydrogenation de composes aromatiques obtenu a partir de sels fondus et d’un additif organique
FR3110866B1 (fr) * 2020-05-29 2022-07-01 Ifp Energies Now Procede de preparation d’un catalyseur comprenant une phase active de nickel repartie en croute
FR3110864B1 (fr) * 2020-05-29 2022-07-01 Ifp Energies Now Procede de preparation d’un catalyseur comprenant une phase active de nickel repartie en croute et un alliage nickel cuivre
CN112221504A (zh) * 2020-11-12 2021-01-15 北京旭阳科技有限公司 己内酰胺加氢精制催化剂的制备方法、催化剂以及使用其精制己内酰胺的方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4016108A (en) * 1976-01-05 1977-04-05 Exxon Research And Engineering Company Preparation of catalysts of predetermined pore size distribution and pore volume
CN101172233B (zh) * 2006-11-01 2011-10-12 中国石油化工股份有限公司 一种溶剂油加氢精制催化剂及其制备方法
US7906447B2 (en) * 2008-04-11 2011-03-15 Exxonmobil Research And Engineering Company Regeneration and rejuvenation of supported hydroprocessing catalysts
FR2963344B1 (fr) * 2010-07-29 2012-07-27 IFP Energies Nouvelles Procede d'hydrogenation selective en presence d'un catalyseur a base d'un metal du groupe viii prepare au moyen d'au moins un oligosaccharide cyclique
FR2972648B1 (fr) * 2011-03-18 2013-04-26 Ifp Energies Now Catalyseur utilisable en hydrotraitement comprenant des metaux des groupes viii et vib et preparation avec de l'acide citrique et du succinate de dialkyle c1-c4
FR2984761B1 (fr) * 2011-12-21 2014-12-26 IFP Energies Nouvelles Procede de preparation d'un catalyseur a base d'un metal du groupe viii prepare au moyen d'au moins un additif organique et procede d'hydrogenation selective mettant en oeuvre ledit catalyseur
CN103801287B (zh) * 2012-11-05 2016-05-11 神华集团有限责任公司 一种负载型耐硫甲烷化催化剂的制备方法
JP6378902B2 (ja) * 2014-03-10 2018-08-22 日本ケッチェン株式会社 水素化処理触媒、当該触媒の製造方法、並びに当該触媒を用いる炭化水素油の水素化処理方法
FR3022161B1 (fr) * 2014-06-13 2021-05-07 Ifp Energies Now Catalyseur a phase active de nickel comalaxee mesoporeux et macroporeux ayant un diametre median macroporeux superieur a 300 nm et son utilisation en hydrogenation
FR3022156B1 (fr) * 2014-06-13 2018-02-23 Ifp Energies Now Catalyseur mesoporeux et macroporeux a phase active comalaxee, son procede de preparation et son utilisation en hydrotraitement de residus
FR3022238B1 (fr) * 2014-06-13 2016-07-29 Ifp Energies Now Alumine mesoporeuse amorphe ayant une connectivite elevee et son procede de preparation
FR3022162B1 (fr) * 2014-06-13 2021-05-07 Ifp Energies Now Catalyseur a base de nickel mesoporeux et macroporeux ayant un diametre median macroporeux compris entre 50 nm et 200 nm et son utilisation en hydrogenation
FR3022160B1 (fr) * 2014-06-13 2021-05-07 Ifp Energies Now Catalyseur a phase active de nickel comalaxee mesoporeux et macroporeux ayant un diametre median macroporeux compris entre 50 et 300 nm et son utilisation en hydrogenation

Also Published As

Publication number Publication date
FR3076746A1 (fr) 2019-07-19
CN110038575A (zh) 2019-07-23
CN110038575B (zh) 2023-10-10

Similar Documents

Publication Publication Date Title
FR3076746B1 (fr) Procede de preparation d'un catalyseur particulier d'hydrogenation selective par malaxage et impregnation
FR3076747B1 (fr) Procede de preparation d'un catalyseur particulier d'hydrogenation selective et d'hydrogenation des aromatiques par malaxage
FR2984761B1 (fr) Procede de preparation d'un catalyseur a base d'un metal du groupe viii prepare au moyen d'au moins un additif organique et procede d'hydrogenation selective mettant en oeuvre ledit catalyseur
SG11202106362QA (en) Catalyst for hydrogenation reaction and preparation method for same
EP3593901A4 (fr) Catalyseur pour la préparation d'hydrocarbures à partir de dioxyde de carbone par hydrogénation en une étape et son procédé de préparation
SG11202012928SA (en) Method, apparatus, and system for obtaining network slice
EP3632547A4 (fr) Structure de catalyseur pour craquage catalytique ou hydrodésulfuration, dispositif de craquage catalytique et dispositif d'hydrodésulfuration utilisant ladite structure de catalyseur et procédé de production de structure de catalyseur pour craquage catalytique ou hydrodésulfuration
EP3819284A4 (fr) Catalyseur pour la préparation de 1,2-pentanediol et procédé de préparation de 1,2-pentanediol l'utilisant
FR3042096B1 (fr) Installation d'elevage d'animaux comportant des moyens de raclage des dejections, dispositif et procede associes.
EP3947822C0 (fr) Dispositif de déplacement le long d'une structure cylindrique et son utilisation, ainsi que procédé de travail d'une structure cylindrique
EP3971829C0 (fr) Procédé, appareil et système de coupe pour modèle de nuage de points
SG11202104689YA (en) Catalyst for hydrogenation reaction and method for producing same
FR3045910B1 (fr) Procede de signalisation d'un accident par un drone de signalisation
FR2990882B1 (fr) Procede de preparation d'un catalyseur a base d'un metal du groupe viii et contenant du silicium et procede d'hydrogenation selective mettant en oeuvre ledit catalyseur
EP3785796A4 (fr) Procédé de préparation d'un catalyseur d'hydrocraquage
SG11202102207YA (en) Catalyst system and method for preparing azoxystrobin or intermediates thereof by using catalyst system
EP3991840A4 (fr) Catalyseur pour l'hydrogénation et son procédé de préparation
SG11202106285TA (en) Hydrocracking catalyst, preparation method therefor and application thereof
FR3029818B1 (fr) Procede de sertissage d'une bague sur une tige de fixation par un automate
GB201907062D0 (en) Catalyst preparation method
EP3818067A4 (fr) Système, appareil et procédé de diagnostic automatique informatisé
EP3263212A4 (fr) Catalyseur pour la synthèse du 1,3-butadiène, procédé de production d'un catalyseur pour la synthèse du 1,3-butadiène, appareil de production de 1,3-butadiène et procédé de production de 1,3-butadiène
FR3051685B1 (fr) Procede de preparation d'un catalyseur d'hydrogenation selective .
EP3903937A4 (fr) Procédé de régénération d'un catalyseur d'hydrogénation
EP3854476A4 (fr) Catalyseur et procédé de production de 1,3-butadiène l'utilisant

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20190719

PLFP Fee payment

Year of fee payment: 3

PLFP Fee payment

Year of fee payment: 4

PLFP Fee payment

Year of fee payment: 5

PLFP Fee payment

Year of fee payment: 6

PLFP Fee payment

Year of fee payment: 7