MY131948A - Method of making molecular sieve catalyst - Google Patents

Method of making molecular sieve catalyst

Info

Publication number
MY131948A
MY131948A MYPI20024105A MYPI20024105A MY131948A MY 131948 A MY131948 A MY 131948A MY PI20024105 A MYPI20024105 A MY PI20024105A MY PI20024105 A MYPI20024105 A MY PI20024105A MY 131948 A MY131948 A MY 131948A
Authority
MY
Malaysia
Prior art keywords
molecular sieve
sieve catalyst
catalyst particles
making molecular
dried
Prior art date
Application number
MYPI20024105A
Other languages
English (en)
Inventor
Kenneth Ray Clem
Stephen Neil Vaughn
Chang Yun-Feng
Fran A Shipley
Jeffery Wayne Sprinkle
Original Assignee
Exxonmobil Chem Patents Inc
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 Exxonmobil Chem Patents Inc filed Critical Exxonmobil Chem Patents Inc
Publication of MY131948A publication Critical patent/MY131948A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/82Phosphates
    • B01J29/83Aluminophosphates [APO compounds]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/82Phosphates
    • B01J29/84Aluminophosphates containing other elements, e.g. metals, boron
    • B01J29/85Silicoaluminophosphates [SAPO compounds]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/40Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0027Powdering
    • B01J37/0045Drying a slurry, e.g. spray drying
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/08Heat treatment
    • B01J37/10Heat treatment in the presence of water, e.g. steam
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C1/00Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • C07C1/20Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING 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
    • C10G3/00Production of liquid hydrocarbon mixtures from oxygen-containing organic materials, e.g. fatty oils, fatty acids
    • C10G3/42Catalytic treatment
    • C10G3/44Catalytic treatment characterised by the catalyst used
    • C10G3/48Catalytic treatment characterised by the catalyst used further characterised by the catalyst support
    • C10G3/49Catalytic treatment characterised by the catalyst used further characterised by the catalyst support containing crystalline aluminosilicates, e.g. molecular sieves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2229/00Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/10After treatment, characterised by the effect to be obtained
    • B01J2229/26After treatment, characterised by the effect to be obtained to stabilize the total catalyst structure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2229/00Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/30After treatment, characterised by the means used
    • B01J2229/42Addition of matrix or binder particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/90Regeneration or reactivation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2529/00Catalysts comprising molecular sieves
    • C07C2529/82Phosphates
    • C07C2529/84Aluminophosphates containing other elements, e.g. metals, boron
    • C07C2529/85Silicoaluminophosphates (SAPO compounds)
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING 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
    • C10G2400/00Products obtained by processes covered by groups C10G9/00 - C10G69/14
    • C10G2400/20C2-C4 olefins
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING 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
    • C10G2400/00Products obtained by processes covered by groups C10G9/00 - C10G69/14
    • C10G2400/22Higher olefins
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/584Recycling of catalysts
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P30/00Technologies relating to oil refining and petrochemical industry
    • Y02P30/20Technologies relating to oil refining and petrochemical industry using bio-feedstock

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
MYPI20024105A 2002-01-17 2002-11-01 Method of making molecular sieve catalyst MY131948A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/052,058 US6710008B2 (en) 2002-01-17 2002-01-17 Method of making molecular sieve catalyst

Publications (1)

Publication Number Publication Date
MY131948A true MY131948A (en) 2007-09-28

Family

ID=21975163

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI20024105A MY131948A (en) 2002-01-17 2002-11-01 Method of making molecular sieve catalyst

Country Status (10)

Country Link
US (2) US6710008B2 (enExample)
EP (2) EP1902783A3 (enExample)
JP (1) JP2005516768A (enExample)
CN (1) CN1615177B (enExample)
AU (1) AU2002348050A1 (enExample)
EA (1) EA007343B1 (enExample)
MY (1) MY131948A (enExample)
TW (1) TWI252127B (enExample)
WO (1) WO2003068395A1 (enExample)
ZA (1) ZA200405174B (enExample)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE373517T1 (de) * 2001-06-25 2007-10-15 Exxonmobil Chem Patents Inc Herstellung einer molsiebkatalysatorzusammensetzung und verwendung bei umwandlungsverfahren
DE60218699D1 (de) * 2001-07-02 2007-04-19 Exxonmobil Chem Patents Inc Inhibierung der katalysatorverkokung bei der herstellung eines olefins
US7071136B2 (en) * 2003-05-21 2006-07-04 Exxonmobil Chemical Patents Inc Attrition resistant molecular sieve catalysts
US7223896B2 (en) 2004-04-29 2007-05-29 Exxonmobil Chemical Patents Inc. Fines co-feed for maintaining efficient reactor hydrodynamics
EP1660614B1 (en) * 2003-08-05 2018-07-18 ExxonMobil Chemical Patents Inc. Fines co-feed for maintaining efficient reactor hydrodynamics
US20050054516A1 (en) * 2003-09-05 2005-03-10 Vaughn Stephen Neil Processes for formulating catalyst compositions having desirable particle size characteristics
TWI277648B (en) * 2004-07-29 2007-04-01 China Petrochemical Technology A cracking catalyst for hydrocarbons and its preparation
US9158106B2 (en) 2005-02-23 2015-10-13 Pixtronix, Inc. Display methods and apparatus
US8482496B2 (en) 2006-01-06 2013-07-09 Pixtronix, Inc. Circuits for controlling MEMS display apparatus on a transparent substrate
US7999994B2 (en) 2005-02-23 2011-08-16 Pixtronix, Inc. Display apparatus and methods for manufacture thereof
US20070205969A1 (en) 2005-02-23 2007-09-06 Pixtronix, Incorporated Direct-view MEMS display devices and methods for generating images thereon
US8519945B2 (en) 2006-01-06 2013-08-27 Pixtronix, Inc. Circuits for controlling display apparatus
US9261694B2 (en) 2005-02-23 2016-02-16 Pixtronix, Inc. Display apparatus and methods for manufacture thereof
US8310442B2 (en) 2005-02-23 2012-11-13 Pixtronix, Inc. Circuits for controlling display apparatus
US9229222B2 (en) 2005-02-23 2016-01-05 Pixtronix, Inc. Alignment methods in fluid-filled MEMS displays
US8159428B2 (en) 2005-02-23 2012-04-17 Pixtronix, Inc. Display methods and apparatus
US9082353B2 (en) 2010-01-05 2015-07-14 Pixtronix, Inc. Circuits for controlling display apparatus
US7329625B2 (en) 2005-11-02 2008-02-12 Exxonmobil Chemical Patents Inc. Attrition resistant molecular sieve catalyst
US8526096B2 (en) 2006-02-23 2013-09-03 Pixtronix, Inc. Mechanical light modulators with stressed beams
US9176318B2 (en) * 2007-05-18 2015-11-03 Pixtronix, Inc. Methods for manufacturing fluid-filled MEMS displays
CN101157051B (zh) * 2007-02-07 2010-12-15 中国科学院大连化学物理研究所 流化床用微球催化剂的回收方法
US8815764B2 (en) * 2007-08-31 2014-08-26 Uop Llc Water treated catalyst to produce light olefins
EP2161242A1 (en) * 2008-08-29 2010-03-10 Total Petrochemicals Research Feluy Method for Preparing Crystalline Metalloaluminophosphate (MeAPO) Molecular Sieve from Amorphous Materials
EP2161243A1 (en) * 2008-08-29 2010-03-10 Total Petrochemicals Research Feluy Method for preparing metalloaluminophosphate (MeAPO) molecular sieves
US8169679B2 (en) 2008-10-27 2012-05-01 Pixtronix, Inc. MEMS anchors
US20110205259A1 (en) * 2008-10-28 2011-08-25 Pixtronix, Inc. System and method for selecting display modes
CN102292156B (zh) * 2009-01-22 2015-02-11 三菱树脂株式会社 氮氧化物净化用催化剂及其制造方法
EP2440328B1 (en) 2009-06-12 2016-08-17 Albemarle Europe Sprl. Sapo molecular sieve catalysts and their preparation and uses
GB2475740B (en) * 2009-11-30 2017-06-07 Johnson Matthey Plc Catalysts for treating transient NOx emissions
US20110135796A1 (en) * 2009-12-03 2011-06-09 Yun-Feng Chang High solids adsorbent formulation and spry drying
CN102834763B (zh) 2010-02-02 2015-07-22 皮克斯特罗尼克斯公司 用于制造填充冷密封流体的显示装置的方法
BR112012019383A2 (pt) 2010-02-02 2017-09-12 Pixtronix Inc Circuitos para controlar aparelho de exibição
DE102010026880A1 (de) * 2010-07-12 2012-01-12 Süd-Chemie AG Verfahren zur Herstellung von Katalysatoren auf Zeolithbasis zur Umsetzung von Oxygenaten zu niederen Olefinen
CN102389834B (zh) * 2011-08-30 2013-05-15 神华集团有限责任公司 分子筛催化剂微粉再利用的方法及其获得的产品和应用
CN103170361B (zh) * 2011-12-23 2015-09-23 正大能源材料(大连)有限公司 Sapo-34分子筛合成液体用于生产甲醇制烯烃催化剂的方法
US9134552B2 (en) 2013-03-13 2015-09-15 Pixtronix, Inc. Display apparatus with narrow gap electrostatic actuators
CN104511271B (zh) * 2013-09-24 2017-12-15 中国石油化工股份有限公司 一种分子筛、其制造方法及其应用
CN105597357B (zh) * 2016-02-29 2018-08-24 中石化炼化工程(集团)股份有限公司 一种复合型规整填料及其制作方法
MY191861A (en) * 2016-07-29 2022-07-18 Basf Corp Process for the preparation of a zeolitic material having a fau-type framework structure and use thereof in the selective catalytic reduction of nox

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3816342A (en) 1963-05-14 1974-06-11 Mobil Oil Corp Process for preparing a crystalline aluminosilicate zeolite
US3939058A (en) * 1968-07-31 1976-02-17 Mobil Oil Corporation Method for fluid cracking with a composite catalyst
US3660274A (en) 1970-02-18 1972-05-02 Grace W R & Co Hydrocarbon treating process
US3944482A (en) 1973-08-08 1976-03-16 Gulf Research & Development Company Process for the cracking of high metals content feedstocks
CA1315300C (en) 1987-07-07 1993-03-30 William Howard Henstock Chemical conversion process
US4861938A (en) 1987-07-07 1989-08-29 Uop Chemical conversion process
US4973792A (en) * 1987-07-07 1990-11-27 Uop Chemical conversion process
US4946814A (en) 1989-03-10 1990-08-07 Thiele-Kaolin Company Process for improving the physical and catalytic properties of fluid cracking catalysts
JP3205559B2 (ja) 1994-06-17 2001-09-04 バイオ−テクニカル・リソーシズ・エル・ピー 球状吸着剤粒子の製造方法
NO304108B1 (no) 1996-10-09 1998-10-26 Polymers Holding As En mikroporos silikoaluminofosfat-sammensetning, katalytisk materiale som omfatter denne sammensetningen og fremgangsmate for fremstilling derav, og bruken av disse for a fremstille olefiner fra metanol
US6162415A (en) 1997-10-14 2000-12-19 Exxon Chemical Patents Inc. Synthesis of SAPO-44
US6153552A (en) 1997-10-29 2000-11-28 Exxon Chemical Patents Inc. Methods for making catalysts
WO1999021651A1 (en) 1997-10-29 1999-05-06 Exxon Chemical Patents Inc. Method for making catalysts containing silicoaluminophosphate molecular sieve and catalyst thus prepared
CN1109579C (zh) * 1999-08-17 2003-05-28 中国石油化工集团公司 催化剂用分子筛浆液的制备方法
US6509290B1 (en) * 2000-07-17 2003-01-21 Exxon Mobil Chemical Patents, Inc. Catalyst composition including attrition particles and method for making same
US6916891B2 (en) 2001-02-28 2005-07-12 The Standard Oil Company Attrition resistant inorganic microspheroidal particles

Also Published As

Publication number Publication date
AU2002348050A1 (en) 2003-09-04
US6710008B2 (en) 2004-03-23
US7358412B2 (en) 2008-04-15
CN1615177B (zh) 2012-07-11
ZA200405174B (en) 2005-07-27
EP1902783A3 (en) 2008-11-19
TWI252127B (en) 2006-04-01
JP2005516768A (ja) 2005-06-09
EP1902783A2 (en) 2008-03-26
US20030135079A1 (en) 2003-07-17
EP1465727A1 (en) 2004-10-13
EP1465727B1 (en) 2014-01-08
EA200400883A1 (ru) 2005-02-24
CN1615177A (zh) 2005-05-11
WO2003068395A1 (en) 2003-08-21
US20040167012A1 (en) 2004-08-26
EA007343B1 (ru) 2006-08-25

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