SG11202012300PA - Modified y-type molecular sieve, catalytic cracking catalyst comprising the same, their preparation and application thereof - Google Patents

Modified y-type molecular sieve, catalytic cracking catalyst comprising the same, their preparation and application thereof

Info

Publication number
SG11202012300PA
SG11202012300PA SG11202012300PA SG11202012300PA SG11202012300PA SG 11202012300P A SG11202012300P A SG 11202012300PA SG 11202012300P A SG11202012300P A SG 11202012300PA SG 11202012300P A SG11202012300P A SG 11202012300PA SG 11202012300P A SG11202012300P A SG 11202012300PA
Authority
SG
Singapore
Prior art keywords
modified
preparation
application
same
molecular sieve
Prior art date
Application number
SG11202012300PA
Other languages
English (en)
Inventor
Hao Sha
Lingping Zhou
Shuai Yuan
Weilin Zhang
Zhenyu Chen
Mingde Xu
Huiping Tian
Original Assignee
China Petroleum & Chem Corp
Research Institute Of Petroleum Processing Sinopec
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
Priority claimed from CN201810948782.XA external-priority patent/CN110841691B/zh
Priority claimed from CN201810949445.2A external-priority patent/CN110841695B/zh
Application filed by China Petroleum & Chem Corp, Research Institute Of Petroleum Processing Sinopec filed Critical China Petroleum & Chem Corp
Publication of SG11202012300PA publication Critical patent/SG11202012300PA/en

Links

Classifications

    • 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
    • C10G11/00—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
    • C10G11/02—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils characterised by the catalyst used
    • C10G11/04—Oxides
    • C10G11/05—Crystalline alumino-silicates, e.g. molecular sieves
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
    • B01J29/085—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y containing rare earth elements, titanium, zirconium, hafnium, zinc, cadmium, mercury, gallium, indium, thallium, tin or lead
    • B01J29/088—Y-type faujasite
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/82—Phosphates
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/82—Phosphates
    • B01J29/84—Aluminophosphates containing other elements, e.g. metals, boron
    • B01J29/85—Silicoaluminophosphates [SAPO 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • 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
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/51—Spheres
    • 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
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
    • B01J2029/081—Increasing the silica/alumina ratio; Desalumination
    • 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
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/10—After treatment, characterised by the effect to be obtained
    • B01J2229/14—After treatment, characterised by the effect to be obtained to alter the inside of the molecular sieve channels
    • 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
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/10—After treatment, characterised by the effect to be obtained
    • B01J2229/16—After treatment, characterised by the effect to be obtained to increase the Si/Al ratio; Dealumination
    • 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
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/10—After treatment, characterised by the effect to be obtained
    • B01J2229/18—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself
    • B01J2229/186—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself not in framework positions
    • 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
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/10—After treatment, characterised by the effect to be obtained
    • B01J2229/24—After treatment, characterised by the effect to be obtained to stabilize the molecular sieve structure
    • 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
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/30—After treatment, characterised by the means used
    • B01J2229/32—Reaction with silicon compounds, e.g. TEOS, siliconfluoride
    • 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
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/30—After treatment, characterised by the means used
    • B01J2229/34—Reaction with organic or organometallic 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
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/30—After treatment, characterised by the means used
    • B01J2229/36—Steaming
    • 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
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/30—After treatment, characterised by the means used
    • B01J2229/37—Acid treatment
    • 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
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/30—After treatment, characterised by the means used
    • B01J2229/38—Base treatment
    • 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
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/30—After treatment, characterised by the means used
    • B01J2229/40—Special temperature treatment, i.e. other than just for template removal
    • 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
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/30—After treatment, characterised by the means used
    • B01J2229/42—Addition of matrix or binder particles
    • 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
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0027—Powdering
    • B01J37/0054—Drying of aerosols

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Catalysts (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
SG11202012300PA 2018-08-20 2019-08-20 Modified y-type molecular sieve, catalytic cracking catalyst comprising the same, their preparation and application thereof SG11202012300PA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201810948782.XA CN110841691B (zh) 2018-08-20 2018-08-20 一种用于加工加氢lco的催化裂化催化剂及其制备方法
CN201810949445.2A CN110841695B (zh) 2018-08-20 2018-08-20 一种改性y型分子筛及其制备方法
PCT/CN2019/101513 WO2020038347A1 (fr) 2018-08-20 2019-08-20 Tamis moléculaire de type y modifié, catalyseur de craquage catalytique le comprenant, procédés de préparation associés et applications associées

Publications (1)

Publication Number Publication Date
SG11202012300PA true SG11202012300PA (en) 2021-01-28

Family

ID=69570428

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202012300PA SG11202012300PA (en) 2018-08-20 2019-08-20 Modified y-type molecular sieve, catalytic cracking catalyst comprising the same, their preparation and application thereof

Country Status (7)

Country Link
US (1) US11130917B2 (fr)
JP (1) JP7394116B2 (fr)
AU (1) AU2019326622A1 (fr)
FR (1) FR3085005B1 (fr)
SG (1) SG11202012300PA (fr)
TW (1) TWI812772B (fr)
WO (1) WO2020038347A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116062765B (zh) * 2021-10-29 2024-07-02 中国石油化工股份有限公司 一种纳米y型分子筛的制备方法
CN116062764B (zh) * 2021-10-29 2024-05-10 中国石油化工股份有限公司 具有核壳结构的y-y复合型分子筛及其制备方法和应用

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1034718C (zh) 1993-07-29 1997-04-30 中国石油化工总公司 一种裂化催化剂及其制备方法
US6797155B1 (en) * 1999-12-21 2004-09-28 Exxonmobil Research & Engineering Co. Catalytic cracking process using a modified mesoporous aluminophosphate material
CN1160436C (zh) 2001-01-04 2004-08-04 中国石油化工股份有限公司 一种催化裂化催化剂的制备方法
US6635168B2 (en) * 2001-04-13 2003-10-21 W. R. Grace & Co.-Conn Gasoline sulfur reduction catalyst for fluid catalytic cracking process
CN1261216C (zh) * 2003-05-30 2006-06-28 中国石油化工股份有限公司 一种含分子筛的烃类裂化催化剂及其制备方法
CN1597850A (zh) * 2003-09-15 2005-03-23 中国石油天然气股份有限公司 一种降低汽油硫含量的催化裂化催化剂及其制备方法
CN1257769C (zh) 2003-10-31 2006-05-31 中国石油化工股份有限公司 一种含磷和金属组分的mfi结构分子筛及其应用
TWI428180B (zh) 2005-02-25 2014-03-01 Grace W R & Co 適用於流體化觸媒裂解程序之汽油硫減量觸媒
CN101745418B (zh) * 2008-11-28 2012-10-10 中国石油化工股份有限公司 一种催化裂化催化剂及其制备和应用
US8524630B2 (en) * 2010-10-08 2013-09-03 Exxonmobil Research And Engineering Company Mesoporous aluminas stabilized with rare earth and phosphorous
CN102744092A (zh) 2011-04-22 2012-10-24 中国石油天然气股份有限公司 一种磷和稀土改性的分子筛
US10130943B2 (en) * 2012-07-24 2018-11-20 Indian Oil Corporation Limited Catalyst composition for fluid catalytic cracking, process for preparing the same and use thereof
CN103923698B (zh) 2013-01-11 2016-01-20 中国石油化工股份有限公司 一种生产芳香族化合物的催化转化方法
CN104560187B (zh) 2013-10-28 2016-05-25 中国石油化工股份有限公司 一种生产富含芳烃汽油的催化转化方法
CN104560185B (zh) 2013-10-28 2016-05-25 中国石油化工股份有限公司 一种生产富含芳香族化合物汽油的催化转化方法
CA2934793C (fr) * 2013-12-25 2021-07-20 Idemitsu Kosan Co., Ltd. Zeolite porteuse de metal pour boissons alcoolisees et procede de fabrication de boissons alcoolisees
EP3307435A1 (fr) * 2015-06-09 2018-04-18 Hindustan Petroleum Corporation Ltd. Composition de catalyseur pour craquage catalytique fluide et utilisation associée
JP6803703B2 (ja) * 2016-08-29 2020-12-23 国立大学法人北海道大学 マンニトールの脱水用固体触媒、およびこの触媒を使用する２，５−ソルビタン及び／又はイソマンニドの製造方法
CN107971017B (zh) 2016-10-21 2020-02-28 中国石油化工股份有限公司 一种催化裂解催化剂及其制备方法
CN107971011B (zh) 2016-10-21 2019-12-27 中国石油化工股份有限公司 一种催化裂解催化剂及其制备方法
CN107973314B (zh) * 2016-10-21 2019-11-15 中国石油化工股份有限公司 一种含磷和稀土的y分子筛及其制备方法
CN110312723B (zh) * 2017-02-20 2022-02-11 杭州领业医药科技有限公司 Acp-196盐的晶型、其制备方法、药物组合物和用途
SG11201907465WA (en) * 2017-02-21 2019-09-27 China Petroleum & Chem Corp Modified Y-type molecular sieve, preparation thereof and catalyst comprising the same
CN108452825B (zh) 2017-02-21 2020-03-24 中国石油化工股份有限公司 一种镁改性高硅超稳y型分子筛及其制备方法
CN108452829B (zh) 2017-02-21 2020-03-24 中国石油化工股份有限公司 一种催化裂化催化剂
CN108452828B (zh) 2017-02-21 2020-06-12 中国石油化工股份有限公司 一种含磷和稀土的超稳y型分子筛及其制备方法
CN108452832B (zh) 2017-02-21 2020-06-16 中国石油化工股份有限公司 一种富含二级孔的含磷和稀土改性y型分子筛及其制备方法
MY195283A (en) * 2017-02-21 2023-01-12 Sinopec Res Inst Petroleum Magnesium Modified Y-Type Molecular Sieve, Preparation Thereof and Catalyst Comprising the same
RU2755891C2 (ru) * 2017-02-22 2021-09-22 Чайна Петролеум Энд Кемикал Корпорейшен Катализатор каталитического крекинга и его получение
TWI812773B (zh) * 2018-08-20 2023-08-21 大陸商中國石油化工科技開發有限公司 改性y型分子篩、包含它的催化裂解催化劑、及其製備和用途
EP3623043A1 (fr) * 2018-09-13 2020-03-18 INDIAN OIL CORPORATION Ltd. Composition de catalyseur pour améliorer le rendement d'oléfines dans un processus de craquage catalytique fluide (fcc)
US10899685B1 (en) * 2019-10-07 2021-01-26 Saudi Arabian Oil Company Catalytic hydrodearylation of heavy aromatic stream containing dissolved hydrogen
US10899972B1 (en) * 2019-12-18 2021-01-26 Saudi Arabian Oil Company Fluid catalytic cracking of petroleum oil with reduced emissions

Also Published As

Publication number Publication date
AU2019326622A1 (en) 2021-01-28
TWI812772B (zh) 2023-08-21
FR3085005B1 (fr) 2022-05-13
FR3085005A1 (fr) 2020-02-21
JP2021534067A (ja) 2021-12-09
JP7394116B2 (ja) 2023-12-07
US20210163828A1 (en) 2021-06-03
TW202009217A (zh) 2020-03-01
US11130917B2 (en) 2021-09-28
WO2020038347A1 (fr) 2020-02-27

Similar Documents

Publication Publication Date Title
SG11202005027XA (en) Modified y-type molecular sieve and preparation method thereof, hydrocracking catalyst and preparation method thereof, and method for hydrocracking hydrocarbon oil
EP3858480A4 (fr) Procédé de préparation d'un catalyseur scr de tamis moléculaire, et catalyseur ainsi préparé
GB2573252B (en) Catalytic cracking catalyst and preparation thereof
GB2535574B (en) Modified Y molecular sieve and preparation method and use thereof, supported catalyst, and hydrocracking method
GB2547964B (en) Modified composite molecular sieve and preparation method and application thereof, and catalyst and application thereof
EP3157671A4 (fr) Compositions catalytiques à tamis moléculaire, composites catalytiques, systèmes et procédés
EP3426393A4 (fr) Catalyseur à tamis moléculaire à échange d'ions présentant des émissions de n2o réduites
IL291299A (en) Anti-TNFR2 antibodies, preparations containing them and their uses
ZA201700236B (en) Molecular sieve catalyst compositions, catalytic composites, systems, and methods
EP3505244A4 (fr) Corps de structure en nid d'abeilles, catalyseur de type structure en nid d'abeilles, et procédés de fabrication correspondants
EP3833476A4 (fr) Catalyseurs de structures organométalliques et leurs utilisations
SG11202009693XA (en) Hydrofining catalyst, its preparation and application thereof
EP3868711A4 (fr) Tamis moléculaire à structure mfi riche en mésopores, son procédé de préparation et catalyseur le contenant et son application
SG11202004945TA (en) Molecular sieve catalyst, preparation method therefor and application thereof
PT3484619T (pt) Composição de catalisador compreendendo zeólito de tipo con e zeólito de tipo zsm-5, preparação e processo que utiliza tal composição
SG11202104003UA (en) Phosphorus-containing rare-earth-containing mfi structure molecular sieve rich in mesopore, preparation method, and catalyst containing same and application thereof
EP3862081A4 (fr) Tamis moléculaire cu-ssz-13, son procédé de synthèse, catalyseur et utilisation
EP4052788A4 (fr) Support et catalyseur de synthèse de fischer-tropsch (ft), et procédés de préparation associés et applications associées
SG11202012300PA (en) Modified y-type molecular sieve, catalytic cracking catalyst comprising the same, their preparation and application thereof
SG11202100852XA (en) Modified Y-Type Molecular Sieve, Catalytic Cracking Catalyst Comprising the Same, Their Preparation and Application Thereof
EP4005671A4 (fr) Catalyseur de dénitration et procédé de dénitration utilisant le catalyseur
SG11202013116TA (en) Modified Y-type molecular sieve, catalytic cracking catalyst comprising the same, its preparation and application thereof
GB201904620D0 (en) Catalyst, catalyst precursor and catalyst process
ZA201806888B (en) Molecular sieve, its preparation and application thereof
SG11202104152VA (en) Aluminophosphate molecular sieve SCM-18, its preparation and application thereof