[go: up one dir, main page]

CN111167510A - Petroleum hydrocarbon cracking catalyst and its prepn - Google Patents

Petroleum hydrocarbon cracking catalyst and its prepn Download PDF

Info

Publication number
CN111167510A
CN111167510A CN202010033164.XA CN202010033164A CN111167510A CN 111167510 A CN111167510 A CN 111167510A CN 202010033164 A CN202010033164 A CN 202010033164A CN 111167510 A CN111167510 A CN 111167510A
Authority
CN
China
Prior art keywords
parts
raw materials
petroleum hydrocarbon
zeolite
hydrocarbon cracking
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.)
Pending
Application number
CN202010033164.XA
Other languages
Chinese (zh)
Inventor
杨涛
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN202010033164.XA priority Critical patent/CN111167510A/en
Publication of CN111167510A publication Critical patent/CN111167510A/en
Pending legal-status Critical Current

Links

Images

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
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/80Mixtures of different zeolites
    • 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
    • C10G11/00Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
    • C10G11/02Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils characterised by the catalyst used
    • C10G11/04Oxides
    • C10G11/05Crystalline alumino-silicates, 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
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/08Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
    • B01J29/084Y-type faujasite
    • 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
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/08Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
    • B01J29/085Crystalline 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
    • B01J29/088Y-type faujasite
    • 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
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/7007Zeolite Beta

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Catalysts (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

The invention discloses a petroleum hydrocarbon cracking catalyst and a preparation method thereof, belonging to the technical field of cracking catalysts, wherein the raw materials of the petroleum hydrocarbon cracking catalyst comprise a Y-type molecular sieve, zeolite, clay, a carrier and catalyst waste residue, and the raw materials of the petroleum hydrocarbon cracking catalyst respectively comprise the following components in percentage by mass: 20-50 parts of Y-type molecular sieve, 20-26 parts of zeolite, 10-20 parts of clay, 30-40 parts of carrier and 20-25 parts of catalyst waste residue, and the preparation method of the petroleum hydrocarbon cracking catalyst comprises the following specific steps: s1: crushing and mixing the raw materials; s2: spray drying the crushed raw materials; s3: the carrier is added into the dried raw materials for mixing, the Y-type molecular sieve, the zeolite, the clay, the carrier and the catalyst waste residues are used as the raw materials, the use cost is reduced, the raw materials are common, and the raw materials are convenient to take and use; the preparation process is simple, and the catalyst can be prepared with high efficiency.

Description

Petroleum hydrocarbon cracking catalyst and its prepn
Technical Field
The invention relates to the technical field of cracking catalysts, in particular to a petroleum hydrocarbon cracking catalyst and a preparation method thereof.
Background
Cracking is a process of breaking hydrocarbons with relatively large molecular mass and relatively high boiling points into hydrocarbons with relatively small molecular mass and relatively low boiling points under certain conditions. The cracking reaction which occurs solely by the action of heat is called thermal cracking, and the cracking which occurs under the action of catalysis is called catalytic cracking.
Cracking is a process in which longer-chain hydrocarbons in petroleum fractionation products (including petroleum gas) are broken into shorter-chain hydrocarbons such as ethylene and propylene at higher temperatures (700 ℃ to 800 ℃, sometimes even up to over 1000 ℃) than cracking in petrochemical production processes.
The existing cracking catalyst has high use cost, and the used materials are difficult to reuse, thereby increasing the working procedures of waste treatment.
Disclosure of Invention
The invention aims to provide a petroleum hydrocarbon cracking catalyst and a preparation method thereof, which aim to solve the problems that the prior cracking catalyst proposed in the background art has high use cost, the materials are difficult to reuse after use, and the processes of waste treatment are increased.
in order to achieve the purpose, the invention provides the following technical scheme that the raw materials of the petroleum hydrocarbon cracking catalyst comprise 20-50 parts of Y-type molecular sieve, 20-26 parts of zeolite, 10-20 parts of clay, 30-40 parts of carrier and 20-25 parts of catalyst waste residue according to mass proportion, wherein the zeolite is β zeolite, and the β zeolite is β zeolite with the molar ratio of silicon to aluminum being 30 and 150 respectively.
Preferably, the petroleum hydrocarbon cracking catalyst comprises the following raw materials in percentage by mass: 30-40 parts of Y-type molecular sieve, 22-24 parts of zeolite, 14-16 parts of clay, 34-36 parts of carrier and 20-25 parts of catalyst waste residue.
Preferably, the petroleum hydrocarbon cracking catalyst comprises the following raw materials in percentage by mass: 30 parts of Y-type molecular sieve, 22 parts of zeolite, 14 parts of clay, 34 parts of carrier and 20 parts of catalyst waste residue.
Preferably, the petroleum hydrocarbon cracking catalyst comprises the following raw materials in percentage by mass: 35 parts of Y-type molecular sieve, 23 parts of zeolite, 15 parts of clay, 35 parts of carrier and 23 parts of catalyst waste residue.
Preferably, the petroleum hydrocarbon cracking catalyst comprises the following raw materials in percentage by mass: 40 parts of Y-type molecular sieve, 22 parts of zeolite, 14 parts of clay, 34 parts of carrier and 20 parts of catalyst waste residue.
Preferably, the Y-type molecular sieve is an ultrastable Y, rare earth Y or rare earth HY type molecular sieve.
Preferably, the zeolite is a rare earth Y-type zeolite.
Preferably, the clay is kaolin or metakaolin.
A preparation method of a petroleum hydrocarbon cracking catalyst comprises the following specific steps:
s1: crushing and mixing raw materials: putting raw materials of a Y-type molecular sieve, zeolite, clay and catalyst waste residue into crushing equipment, crushing and mixing the raw materials, wherein the stirring and crushing rotation speed of the crushing equipment is 400-500r/min, and uniformly dispersing the raw materials;
s2: and (3) spray drying the crushed raw materials: drying the uniformly dispersed raw material in the step S1 by using spray drying equipment to enable the dried raw material to be granular;
s3: adding a carrier into the dried raw materials, and mixing: and (4) adding the carrier into the dried raw materials in the step S2 and continuously and uniformly mixing.
Compared with the prior art, the invention has the beneficial effects that:
1) the Y-type molecular sieve, the zeolite, the clay, the carrier and the catalyst waste residues are used as raw materials, so that the use cost is reduced, the raw materials are common, and the raw materials are convenient to take and use;
2) the preparation process is simple, and the catalyst can be prepared with high efficiency.
Drawings
FIG. 1 is a flow chart of the preparation method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
referring to fig. 1, the invention provides a technical scheme of a petroleum hydrocarbon cracking catalyst, wherein raw materials of the petroleum hydrocarbon cracking catalyst comprise 20-50 parts of Y-type molecular sieve, 20-26 parts of zeolite, 10-20 parts of clay, 30-40 parts of carrier and 20-25 parts of catalyst waste residue according to mass proportion, the zeolite is β zeolite, and the β zeolite is β zeolite with a silicon-aluminum molar ratio (SiO2/Al2O3) of 30 and 150 respectively.
Further, the raw materials of the petroleum hydrocarbon cracking catalyst are respectively as follows according to mass proportion: 30-40 parts of Y-type molecular sieve, 22-24 parts of zeolite, 14-16 parts of clay, 34-36 parts of carrier and 20-25 parts of catalyst waste residue.
Further, the raw materials of the petroleum hydrocarbon cracking catalyst are respectively as follows according to mass proportion: 30 parts of Y-type molecular sieve, 22 parts of zeolite, 14 parts of clay, 34 parts of carrier and 20 parts of catalyst waste residue.
Further, the raw materials of the petroleum hydrocarbon cracking catalyst are respectively as follows according to mass proportion: 35 parts of Y-type molecular sieve, 23 parts of zeolite, 15 parts of clay, 35 parts of carrier and 23 parts of catalyst waste residue.
Further, the raw materials of the petroleum hydrocarbon cracking catalyst are respectively as follows according to mass proportion: 40 parts of Y-type molecular sieve, 22 parts of zeolite, 14 parts of clay, 34 parts of carrier and 20 parts of catalyst waste residue.
Further, the Y-type molecular sieve is an ultrastable Y, rare earth Y or rare earth HY type molecular sieve.
Further, the zeolite is rare earth Y-type zeolite.
Further, the clay is kaolin or metakaolin.
A preparation method of a petroleum hydrocarbon cracking catalyst comprises the following specific steps:
s1: crushing and mixing raw materials: putting raw materials of a Y-type molecular sieve, zeolite, clay and catalyst waste residue into crushing equipment, crushing and mixing the raw materials, wherein the stirring and crushing rotation speed of the crushing equipment is 400-500r/min, and uniformly dispersing the raw materials;
s2: and (3) spray drying the crushed raw materials: drying the uniformly dispersed raw material in the step S1 by using spray drying equipment to enable the dried raw material to be granular;
s3: adding a carrier into the dried raw materials, and mixing: and (4) adding the carrier into the dried raw materials in the step S2 and continuously and uniformly mixing.
The first embodiment is as follows:
the preparation method of the petroleum hydrocarbon cracking catalyst comprises the following specific steps:
the petroleum hydrocarbon cracking catalyst comprises the following raw materials in percentage by mass: 30g of Y-type molecular sieve, 22g of zeolite, 14g of clay, 34g of carrier and 20g of catalyst waste residue;
s1: crushing and mixing raw materials: putting raw materials of a Y-type molecular sieve, zeolite, clay and catalyst waste residue into crushing equipment, crushing and mixing the raw materials, wherein the stirring and crushing rotating speed of the crushing equipment is 400-500r/min, the raw materials are uniformly dispersed, the Y-type molecular sieve is an ultrastable Y, a rare earth Y or a rare earth HY type molecular sieve, the zeolite is a rare earth Y-type zeolite, and the clay is kaolin or metakaolin;
s2: and (3) spray drying the crushed raw materials: drying the uniformly dispersed raw material in the step S1 by using spray drying equipment to enable the dried raw material to be granular;
s3: adding a carrier into the dried raw materials, and mixing: and (4) adding the carrier into the dried raw materials in the step S2 and continuously and uniformly mixing.
Example two:
the preparation method of the petroleum hydrocarbon cracking catalyst comprises the following specific steps:
the petroleum hydrocarbon cracking catalyst comprises the following raw materials in percentage by mass: 35g of Y-type molecular sieve, 23g of zeolite, 15g of clay, 35g of carrier and 23g of catalyst waste residue;
s1: crushing and mixing raw materials: putting raw materials of a Y-type molecular sieve, zeolite, clay and catalyst waste residue into crushing equipment, crushing and mixing the raw materials, wherein the stirring and crushing rotating speed of the crushing equipment is 400-500r/min, the raw materials are uniformly dispersed, the Y-type molecular sieve is an ultrastable Y, a rare earth Y or a rare earth HY type molecular sieve, the zeolite is a rare earth Y-type zeolite, and the clay is kaolin or metakaolin;
s2: and (3) spray drying the crushed raw materials: drying the uniformly dispersed raw material in the step S1 by using spray drying equipment to enable the dried raw material to be granular;
s3: adding a carrier into the dried raw materials, and mixing: and (4) adding the carrier into the dried raw materials in the step S2 and continuously and uniformly mixing.
Example three:
the preparation method of the petroleum hydrocarbon cracking catalyst comprises the following specific steps:
the petroleum hydrocarbon cracking catalyst comprises the following raw materials in percentage by mass: 40g of Y-type molecular sieve, 22g of zeolite, 14g of clay, 34g of carrier and 20g of catalyst waste residue;
s1: crushing and mixing raw materials: putting raw materials of a Y-type molecular sieve, zeolite, clay and catalyst waste residue into crushing equipment, crushing and mixing the raw materials, wherein the stirring and crushing rotating speed of the crushing equipment is 400-500r/min, the raw materials are uniformly dispersed, the Y-type molecular sieve is an ultrastable Y, a rare earth Y or a rare earth HY type molecular sieve, the zeolite is a rare earth Y-type zeolite, and the clay is kaolin or metakaolin;
s2: and (3) spray drying the crushed raw materials: drying the uniformly dispersed raw material in the step S1 by using spray drying equipment to enable the dried raw material to be granular;
s3: adding a carrier into the dried raw materials, and mixing: and (4) adding the carrier into the dried raw materials in the step S2 and continuously and uniformly mixing.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. the petroleum hydrocarbon cracking catalyst is characterized in that raw materials of the petroleum hydrocarbon cracking catalyst comprise, by mass, 20-50 parts of Y-type molecular sieve, 20-26 parts of zeolite, 10-20 parts of clay, 30-40 parts of carrier and 20-25 parts of catalyst waste residue, wherein the zeolite is β zeolite, and the β zeolite is β zeolite with the molar ratio of silicon to aluminum being 30 and 150 respectively.
2. The petroleum hydrocarbon cracking catalyst of claim 1, wherein: the petroleum hydrocarbon cracking catalyst comprises the following raw materials in percentage by mass: 30-40 parts of Y-type molecular sieve, 22-24 parts of zeolite, 14-16 parts of clay, 34-36 parts of carrier and 20-25 parts of catalyst waste residue.
3. The petroleum hydrocarbon cracking catalyst of claim 2, wherein: the petroleum hydrocarbon cracking catalyst comprises the following raw materials in percentage by mass: 30 parts of Y-type molecular sieve, 22 parts of zeolite, 14 parts of clay, 34 parts of carrier and 20 parts of catalyst waste residue.
4. The petroleum hydrocarbon cracking catalyst of claim 2, wherein: the petroleum hydrocarbon cracking catalyst comprises the following raw materials in percentage by mass: 35 parts of Y-type molecular sieve, 23 parts of zeolite, 15 parts of clay, 35 parts of carrier and 23 parts of catalyst waste residue.
5. The petroleum hydrocarbon cracking catalyst of claim 2, wherein: the petroleum hydrocarbon cracking catalyst comprises the following raw materials in percentage by mass: 40 parts of Y-type molecular sieve, 22 parts of zeolite, 14 parts of clay, 34 parts of carrier and 20 parts of catalyst waste residue.
6. The petroleum hydrocarbon cracking catalyst of claim 1, wherein: the Y-type molecular sieve is an ultrastable Y-type molecular sieve, a rare earth Y-type molecular sieve or a rare earth HY-type molecular sieve.
7. The petroleum hydrocarbon cracking catalyst of claim 1, wherein: the zeolite is rare earth Y-type zeolite.
8. The petroleum hydrocarbon cracking catalyst of claim 1, wherein: the clay is kaolin or metakaolin.
9. A process for preparing a petroleum hydrocarbon cracking catalyst as claimed in any one of claims 1 to 8, wherein: the preparation method of the petroleum hydrocarbon cracking catalyst comprises the following specific steps:
s1: crushing and mixing raw materials: putting raw materials of a Y-type molecular sieve, zeolite, clay and catalyst waste residue into crushing equipment, crushing and mixing the raw materials, wherein the stirring and crushing rotation speed of the crushing equipment is 400-500r/min, and uniformly dispersing the raw materials;
s2: and (3) spray drying the crushed raw materials: drying the uniformly dispersed raw material in the step S1 by using spray drying equipment to enable the dried raw material to be granular;
s3: adding a carrier into the dried raw materials, and mixing: and (4) adding the carrier into the dried raw materials in the step S2 and continuously and uniformly mixing.
CN202010033164.XA 2020-01-13 2020-01-13 Petroleum hydrocarbon cracking catalyst and its prepn Pending CN111167510A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010033164.XA CN111167510A (en) 2020-01-13 2020-01-13 Petroleum hydrocarbon cracking catalyst and its prepn

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010033164.XA CN111167510A (en) 2020-01-13 2020-01-13 Petroleum hydrocarbon cracking catalyst and its prepn

Publications (1)

Publication Number Publication Date
CN111167510A true CN111167510A (en) 2020-05-19

Family

ID=70618687

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010033164.XA Pending CN111167510A (en) 2020-01-13 2020-01-13 Petroleum hydrocarbon cracking catalyst and its prepn

Country Status (1)

Country Link
CN (1) CN111167510A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4914067A (en) * 1983-05-02 1990-04-03 Uop Catalytic cracking catalysts and cracking process using mixed catalyst system
CN1299857A (en) * 1999-12-13 2001-06-20 中国石油化工集团公司 Petroleum hydrocarbon cracking catalyst and its preparation
CN1676576A (en) * 2004-03-31 2005-10-05 中国石油化工股份有限公司 A kind of hydrocarbon cracking catalyst containing molecular sieve and preparation method thereof
RU2007140281A (en) * 2005-03-31 2009-05-10 Чайна Петролеум Энд Кемикел Корпорейшн (Cn) CRACKING CATALYST AND METHOD OF ITS PRODUCTION
CN102896000A (en) * 2011-07-29 2013-01-30 中国石油化工股份有限公司 Method for utilizing residues of catalyst production
CN107670699A (en) * 2016-08-01 2018-02-09 北京华石联合能源科技发展有限公司 A kind of heavy oil floating bed hydrogenation catalyst using complex carrier
CN109225320A (en) * 2018-11-05 2019-01-18 宁夏大学 A kind of MFI structure deposed molecular sieve crystallization regeneration method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4914067A (en) * 1983-05-02 1990-04-03 Uop Catalytic cracking catalysts and cracking process using mixed catalyst system
CN1299857A (en) * 1999-12-13 2001-06-20 中国石油化工集团公司 Petroleum hydrocarbon cracking catalyst and its preparation
CN1676576A (en) * 2004-03-31 2005-10-05 中国石油化工股份有限公司 A kind of hydrocarbon cracking catalyst containing molecular sieve and preparation method thereof
RU2007140281A (en) * 2005-03-31 2009-05-10 Чайна Петролеум Энд Кемикел Корпорейшн (Cn) CRACKING CATALYST AND METHOD OF ITS PRODUCTION
CN102896000A (en) * 2011-07-29 2013-01-30 中国石油化工股份有限公司 Method for utilizing residues of catalyst production
CN107670699A (en) * 2016-08-01 2018-02-09 北京华石联合能源科技发展有限公司 A kind of heavy oil floating bed hydrogenation catalyst using complex carrier
CN109225320A (en) * 2018-11-05 2019-01-18 宁夏大学 A kind of MFI structure deposed molecular sieve crystallization regeneration method

Similar Documents

Publication Publication Date Title
CN101348409B (en) Method for producing low carbon alkene
CN1031646C (en) Method for Catalytic Conversion of Petroleum Hydrocarbons
WO2023036155A1 (en) Solid base catalyst and preparation method therefor
CN112300824B (en) Method for directionally preparing aromatic hydrocarbon by co-pyrolysis of biomass and plastic
CN102107879B (en) Method for synthesizing Beta zeolite molecular sieve
CN102548937A (en) Process for catalytic cracking of hydrocarbons using uzm-35
CN110240153A (en) A method for preparing functionalized graphene in a large amount
CN105000571B (en) A kind of coexisting molecular sieves of EU 1/ZSM 48 and its preparation and application
WO2008025247A1 (en) A process for recovering regenerated heat during the production of lower olefins from methanol
JP2012139640A (en) Catalyst for producing monocyclic aromatic hydrocarbon and method of producing the monocyclic aromatic hydrocarbon
JPWO2011001572A1 (en) Catalyst for producing monocyclic aromatic hydrocarbon and method for producing monocyclic aromatic hydrocarbon
CN108129142A (en) A kind of dehydrogenating propane device refractory material and preparation method thereof
CN111167510A (en) Petroleum hydrocarbon cracking catalyst and its prepn
CN101962570B (en) Method for producing high-octane gasoline by hydrocracking distillate oil of low-grade petroleum
CN208292938U (en) A kind of slurry bed system cracking waste plastics prepare the device of light petroleum gas
CN1772611B (en) Composite molecular sieve in ten-element cyclic structure and its synthesis process
CN109621935A (en) The stepwise solid phase synthetic method of micro- mesoporous calcium-aluminate catalyst
CN105567307B (en) A kind of method of producing light olefins by Fischer-Tropsch synthetic oil
CN108752944B (en) Graphite-phase carbon nitride modified emulsified asphalt and photocatalytic application thereof
CN102285857B (en) Method for increasing yields of propylene and ethylene
CN105018126A (en) Mild pyrolysis method for preparing liquid hydrocarbon through waste polyolefin
CN108587675B (en) Heavy oil viscosity reducing method
CN107098802B (en) Beta zeolite based 2-alkyl anthraquinone preparation method
CN101205475A (en) A kind of hydrocarbon catalytic conversion method for producing gasoline with low olefin content
CN104250567B (en) A kind of coal tar and residual hydrocracking-catalytic cracking combination treatment method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20200519

RJ01 Rejection of invention patent application after publication