CN109201105B - Preparation method of deep desulfurization catalyst - Google Patents

Preparation method of deep desulfurization catalyst Download PDF

Info

Publication number
CN109201105B
CN109201105B CN201810972636.0A CN201810972636A CN109201105B CN 109201105 B CN109201105 B CN 109201105B CN 201810972636 A CN201810972636 A CN 201810972636A CN 109201105 B CN109201105 B CN 109201105B
Authority
CN
China
Prior art keywords
molecular sieve
acid
hours
metal ions
desulfurization
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
CN201810972636.0A
Other languages
Chinese (zh)
Other versions
CN109201105A (en
Inventor
朱丽君
吕昕峰
郝昭
夏道宏
周玉路
项玉芝
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.)
Shandong Faentai Technology Engineering Co Ltd
China University of Petroleum East China
Original Assignee
Shandong Faentai Technology Engineering Co ltd
China University of Petroleum East China
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 Shandong Faentai Technology Engineering Co ltd, China University of Petroleum East China filed Critical Shandong Faentai Technology Engineering Co ltd
Priority to CN201810972636.0A priority Critical patent/CN109201105B/en
Publication of CN109201105A publication Critical patent/CN109201105A/en
Application granted granted Critical
Publication of CN109201105B publication Critical patent/CN109201105B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B01J37/30Ion-exchange
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/14Phosphorus; Compounds thereof
    • B01J27/186Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J27/188Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with chromium, molybdenum, tungsten or polonium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/14Phosphorus; Compounds thereof
    • B01J27/186Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J27/188Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with chromium, molybdenum, tungsten or polonium
    • B01J27/19Molybdenum
    • 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
    • B01J29/16Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J29/163X-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
    • B01J29/40Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • B01J29/48Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing arsenic, antimony, bismuth, vanadium, niobium tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • 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
    • C10G45/00Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
    • C10G45/02Refining 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
    • C10G45/04Refining 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
    • C10G45/12Refining 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 crystalline 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
    • B01J2229/00Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/10After treatment, characterised by the effect to be obtained
    • B01J2229/14After treatment, characterised by the effect to be obtained to alter the inside of the molecular sieve channels
    • 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
    • B01J2229/18After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself
    • 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
    • B01J2229/32Reaction with silicon compounds, e.g. TEOS, siliconfluoride
    • 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
    • B01J2229/37Acid treatment
    • 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
    • C10G2300/00Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/20Characteristics of the feedstock or the products
    • C10G2300/201Impurities
    • C10G2300/207Acid gases, e.g. H2S, COS, SO2, HCN

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)

Abstract

The invention relates to a catalyst used for deep desulfurization of fuel oil products through catalytic oxidation and preparation of ultra-clean fuel oil products, which is a supported desulfurization catalyst prepared by using a modified molecular sieve loaded heteropoly acid, and improves the reusability of the heteropoly acid while maintaining the high activity and high selectivity of the heteropoly acid. On one hand, the molecular sieve is pretreated by strong acid and strong oxidant, and then is modified by ion exchange, so that the intensity of an electrostatic field is improved at a local position in a pore channel of the molecular sieve, and sulfide molecules are polarized and are easily adsorbed and then catalyzed; on the other hand, the heteropolyacid is selected as the main catalyst, so that the catalytic performance of the molecular sieve on the organic sulfide is greatly improved. After the catalyst is applied to production, the desulfurization rate is high, and the production cost and the operation cost are greatly reduced.

Description

Preparation method of deep desulfurization catalyst
Technical Field
The invention relates to a catalyst for deep desulfurization of fuel oil products by catalytic oxidation to prepare ultra-clean fuel oil products.
Background
At present, the fuel oil hydrodesulfurization technology is widely adopted in industry, sulfides such as mercaptan, thioether and thiophene can be removed, but the deep desulfurization operation condition is harsh, the hydrogen consumption is large, the operation equipment is expensive, and especially the difficulty of hydrodesulfurization of dibenzothiophene sulfides is higher. The non-hydrodesulfurization operation condition is mild, the investment of process equipment and the operation cost are low, the environmental pollution is less, and particularly, the catalytic oxidation desulfurization technology has good effect of removing the intractable benzothiophene and the derivatives thereof, thereby being widely concerned by researchers at home and abroad. The key of the catalytic oxidation desulfurization is a catalyst with high activity, high selectivity and high reusability. The catalysts such as metal salt, metal oxide, organic acid and the like can be used for catalytic oxidation desulfurization, but the consumption of the oxidant in the process is large, and the desulfurization effect is not ideal. The heteropoly acid as super strong solid acid catalyst has unique hexagonal cage structure, unique acidity, multiple functions and 'pseudo liquid phase' behavior, different elements can show the difference between acidity and redox property, so that the catalytic performance is controllable, which is beneficial to catalyst design and widely applied in the catalytic field. But the heteropolyacid catalyst has the problems of difficult recovery and serious catalyst loss in the using process. The development of the supported heteropolyacid catalyst has important significance on the development of the deep desulfurization technology.
The supported heteropolyacid catalyst has large specific surface area, can improve the desulfurization effect and the reusability of the catalyst, and avoids the defect of great loss in the use process of the heteropolyacid.
Disclosure of Invention
The invention aims to keep the high activity and high selectivity of heteropoly acid, and simultaneously adopts a molecular sieve loading method to improve the reusability of heteropoly acid and reduce the loss of catalyst.
The purpose of the invention is realized by the following scheme, and the preparation steps are as follows:
(1) carrying out surface modification pretreatment on a 13X or ZSM-5 molecular sieve to obtain the molecular sieve as a catalyst carrier, wherein the modification treatment comprises the step of dipping the molecular sieve by using strong acid (sulfuric acid, hydrochloric acid or nitric acid) and strong oxidant (ozone or hydrogen peroxide) in a volume ratio of 1: 5-5: 1 to improve the surface performance of the molecular sieve; and then, carrying out isovolumetric impregnation on the pretreated molecular sieve by using a solution of rare earth metal ions or transition metal ions, and carrying out ion exchange to obtain a molecular sieve carrier, wherein the concentration of the rare earth metal ions or the transition metal ions is 0.05-0.8 mol/L.
(2) Taking 2g of the molecular sieve carrier, drying for 2 hours at 400 ℃, cooling, adding the molecular sieve carrier into a reactor, adding 60mL of toluene and 0.1-5 mL of silane coupling agent into the reactor, refluxing for 1-10 hours, cooling, washing with a large amount of ethanol for three times, and drying for 3 hours at 100 ℃ under reduced pressure, wherein the silane coupling agent is one of 3-aminopropyltriethoxysilane, 3- (methacryloyl chloride) propyltrimethoxysilane, KH-540, KH550, KH560, KH 580 and KH 590.
(3) And (3) adding the product obtained in the step (2), 40mL of isopropanol and 0.5-5 g of heteropolyacid into a reactor, refluxing for 2 hours, cooling, washing with a large amount of isopropanol for three times, and drying at 100 ℃ under reduced pressure for 5 hours after washing to prepare the catalyst, wherein the heteropolyacid is one or two of phosphotungstic acid, silicotungstic acid, phosphomolybdic acid, phosphomolybdotungstic acid and silicomolybdotungstic acid.
The invention has positive effects on deep desulfurization: on one hand, the molecular sieve is modified by pretreating the molecular sieve by using strong acid and a strong oxidant and realizing ion exchange, so that the intensity of an electrostatic field is improved at a local position in a pore passage of the molecular sieve, sulfide molecules are polarized and are easily adsorbed, and the catalytic conversion efficiency of organic sulfides is improved; on the other hand, the invention selects heteropoly acid as the main catalyst, and greatly improves the catalytic performance of the molecular sieve on organic sulfide. After the catalyst is applied to production, the desulfurization rate is improved, and the production cost and the operation cost are greatly reduced.
Detailed Description
The following examples were used to conduct desulfurization experiments to verify the excellent desulfurization performance of the catalytic oxidative desulfurization catalyst of the present invention.
Example 1
The preparation method of the catalyst comprises the following steps:
(1) carrying out surface modification treatment on the 13X molecular sieve to obtain a molecular sieve as a catalyst carrier, wherein the modification treatment comprises the step of pretreating the molecular sieve by using strong acid (sulfuric acid) and strong oxidant (hydrogen peroxide), and the volume ratio of the strong acid to the strong oxidant is 1:1 so as to improve the surface performance of the molecular sieve; and then, carrying out isovolumetric impregnation on the pretreated molecular sieve by using a solution of rare earth metal ions (cerium nitrate) to realize ion exchange, wherein the concentration of the rare earth metal ions is 0.1 mol/L.
(2) Taking 2g of the molecular sieve carrier, drying at 400 ℃ for 2 hours, cooling, adding the molecular sieve carrier into a reactor, adding 60mL of toluene and 0.2mL of silane coupling agent into the reactor, refluxing for 4 hours, cooling, washing with a large amount of ethanol for three times, and drying at 100 ℃ under reduced pressure for 3 hours, wherein the silane coupling agent is 3-aminopropyltriethoxysilane.
(3) And (3) adding the product obtained in the step (2), 40mL of isopropanol and 0.2g of heteropoly acid into a reactor, refluxing for 2 hours, cooling, washing with a large amount of isopropanol for three times, and drying at 100 ℃ under reduced pressure for 5 hours after washing to prepare the catalyst, wherein the heteropoly acid is phosphotungstic acid.
Evaluation of desulfurization Effect:
the evaluation test of the desulfurizing agent was carried out in a batch desulfurization apparatus, using dibenzothiophene n-heptane solution containing 500 μ g/g of sulfur as a desulfurization object of a simulated oil, taking 20mL of the simulated oil, adding 2.5mL of hydrogen peroxide (30%), 0.05g of cetyltrimethylammonium bromide and 0.05g of a desulfurization catalyst, stirring at 30 ℃ for 3 hours, measuring the sulfur content, calculating the desulfurization rate to be 95.2%, and after 3 times of repeated use, the desulfurization rate to be 90%.
Example 2
The preparation method of the catalyst comprises the following steps:
(1) carrying out surface modification treatment on the 13X molecular sieve to obtain a molecular sieve as a catalyst carrier, wherein the modification treatment comprises the step of pretreating the molecular sieve by using strong acid (hydrochloric acid) and strong oxidant (hydrogen peroxide), and the volume ratio of the strong acid to the strong oxidant is 1:2 so as to improve the surface performance of the molecular sieve; and then, carrying out isovolumetric impregnation on the pretreated molecular sieve by using a solution of transition metal ions (copper nitrate) to realize ion exchange, wherein the concentration of the transition metal ions is 0.2 mol/L.
(2) Taking 2g of the molecular sieve carrier, drying at 400 ℃ for 2 hours, cooling, adding the molecular sieve carrier into a reactor, adding 60mL of toluene and 0.3mL of silane coupling agent into the reactor, refluxing for 8 hours, cooling, washing with a large amount of ethanol for three times, and drying at 100 ℃ under reduced pressure for 3 hours, wherein the silane coupling agent is KH-540.
(3) And (3) adding the product obtained in the step (2), 40mL of isopropanol and 0.3g of heteropoly acid into a reactor, refluxing for 2 hours, cooling, washing with a large amount of isopropanol for three times, and drying at 100 ℃ under reduced pressure for 5 hours after washing to prepare the catalyst, wherein the heteropoly acid is phosphomolybdic acid.
Evaluation of desulfurization Effect:
the evaluation test of the test desulfurizing agent was carried out in a batch desulfurization apparatus, 20mL of the simulated oil was taken as a desulfurization object of the simulated oil, 2.5mL of hydrogen peroxide (30%), 0.05g of cetyltrimethylammonium bromide and 0.05g of a desulfurization catalyst were added, the sulfur content was measured after stirring for 3 hours at 30 ℃, the desulfurization rate was calculated to be 97.1%, and the desulfurization rate was 92.1% after 3 times of repeated use.
Example 3:
the preparation method of the catalyst comprises the following steps:
(1) the method comprises the following steps of carrying out surface modification treatment on a ZSM-5 molecular sieve to obtain the molecular sieve as a catalyst carrier, wherein the modification treatment comprises the step of pretreating the molecular sieve by using strong acid (hydrochloric acid) and strong oxidant (hydrogen peroxide), and the volume ratio of the strong acid to the strong oxidant is 1:1 so as to improve the surface performance of the molecular sieve; and then, carrying out isovolumetric impregnation on the pretreated molecular sieve by using a solution of transition metal ions (cobalt nitrate) to realize ion exchange, wherein the concentration of the rare earth metal ions or the transition metal ions is 0.1 mol/L.
(2) Taking 2g of the molecular sieve carrier, drying at 400 ℃ for 2 hours, cooling, adding the molecular sieve carrier into a reactor, adding 60mL of toluene and 0.4mL of silane coupling agent into the reactor, refluxing for 6 hours, cooling, washing with a large amount of ethanol for three times, and drying at 100 ℃ under reduced pressure for 3 hours, wherein the silane coupling agent is KH 560.
(3) And (3) adding the product obtained in the step (2), 40mL of isopropanol and 0.4g of heteropoly acid into a reactor, refluxing for 2 hours, cooling, washing with a large amount of isopropanol for three times, and drying at 100 ℃ under reduced pressure for 5 hours after washing to prepare the catalyst, wherein the heteropoly acid is phosphomolybdic tungstic acid.
Evaluation of desulfurization Effect:
the evaluation test of the test desulfurizing agent was carried out in a batch desulfurization apparatus, using gasoline containing dibenzothiophene of 500 μ g/g sulfur content as a desulfurization object, taking 20mL of gasoline, adding 2.5mL of hydrogen peroxide (30%), 0.05g of cetyltrimethylammonium bromide and 0.03 g of the above desulfurization catalyst, stirring at 30 ℃ for 3 hours, measuring the sulfur content, calculating the desulfurization rate to be 90.2%, and after 3 times of repeated use, the desulfurization rate to be 88.2%.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (6)

1. A preparation method of a deep desulfurization catalyst for catalytic oxidation of fuel oil products comprises the following preparation steps:
(1) carrying out surface modification treatment on a 13X or ZSM-5 molecular sieve to obtain the molecular sieve as a catalyst carrier, wherein the modification treatment comprises the step of impregnating the molecular sieve with sulfuric acid, hydrochloric acid or nitric acid and ozone or hydrogen peroxide, the volume ratio of the sulfuric acid, the hydrochloric acid or the nitric acid to the ozone or the hydrogen peroxide is 1: 5-5: 1 to improve the surface performance of the molecular sieve, and then carrying out ion exchange on the pretreated molecular sieve with a solution of rare earth metal ions or transition metal ions to obtain the molecular sieve carrier;
(2) taking 2g of the molecular sieve carrier in the step (1), drying at 400 ℃ for 2 hours, cooling, adding into a reactor, adding 60mL of toluene and 0.1-5 mL of silane coupling agent, refluxing for 1-10 hours, cooling, washing with a large amount of ethanol for three times, and drying under reduced pressure at 100 ℃ for 3 hours;
(3) and (3) adding the product obtained in the step (2), 40mL of isopropanol and 0.5-5 g of heteropoly acid into a reactor, refluxing for 2 hours, cooling, washing with a large amount of isopropanol for three times, and drying at 100 ℃ under reduced pressure for 5 hours after washing to obtain the catalyst.
2. The method for preparing a desulfurization catalyst according to claim 1, characterized in that the ion exchange in step (1) in claim 1 is carried out by an equivalent-volume impregnation method.
3. The method for preparing a desulfurization catalyst according to claim 1, characterized in that the concentration of the solution of rare earth metal ions or transition metal ions in the step (1) in claim 1 is 0.05 to 0.8 mol/L.
4. The method for preparing desulfurization catalyst according to claim 1, characterized in that the silane coupling agent of step (2) in claim 1 is one of 3-aminopropyltriethoxysilane, KH-540, KH 560.
5. The method for preparing a desulfurization catalyst according to claim 1, characterized in that the heteropoly-acid of step (3) in claim 1 is one of phosphotungstic acid, phosphomolybdic acid, phosphomolybdotungstic acid.
6. The method for preparing desulfurization catalyst according to claim 1, characterized in that the solution of rare earth metal ions or transition metal ions in step (1) in claim 1 is one of cerium nitrate, copper nitrate, cobalt nitrate solutions.
CN201810972636.0A 2018-08-24 2018-08-24 Preparation method of deep desulfurization catalyst Active CN109201105B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810972636.0A CN109201105B (en) 2018-08-24 2018-08-24 Preparation method of deep desulfurization catalyst

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810972636.0A CN109201105B (en) 2018-08-24 2018-08-24 Preparation method of deep desulfurization catalyst

Publications (2)

Publication Number Publication Date
CN109201105A CN109201105A (en) 2019-01-15
CN109201105B true CN109201105B (en) 2021-12-07

Family

ID=64989541

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810972636.0A Active CN109201105B (en) 2018-08-24 2018-08-24 Preparation method of deep desulfurization catalyst

Country Status (1)

Country Link
CN (1) CN109201105B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113174036B (en) * 2021-04-28 2023-03-28 浙江联盛化学股份有限公司 Rare earth doped molecular sieve catalyst, preparation method and application thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102134508A (en) * 2011-01-30 2011-07-27 山东大学 Oxidation desulfuration method based on modified MCM-41 anchored heteropolyacid catalyst
CN102357366A (en) * 2011-09-02 2012-02-22 新疆大学 Non-mercury catalyst used for acetylene hydrochlorination
CN107413293A (en) * 2017-08-09 2017-12-01 沈阳三聚凯特催化剂有限公司 A kind of desulfurizing agent and preparation method and application

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EA004234B1 (en) * 2003-03-28 2004-02-26 Ай Ку Эдванс Текнолоджи Лимитед A method for treatment of liquid media

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102134508A (en) * 2011-01-30 2011-07-27 山东大学 Oxidation desulfuration method based on modified MCM-41 anchored heteropolyacid catalyst
CN102357366A (en) * 2011-09-02 2012-02-22 新疆大学 Non-mercury catalyst used for acetylene hydrochlorination
CN107413293A (en) * 2017-08-09 2017-12-01 沈阳三聚凯特催化剂有限公司 A kind of desulfurizing agent and preparation method and application

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Selectivity adsorption of thiophene alkylated derivatives over modified Cu+-13X zeolite;MIAO Tong et al.;《ELSEVIER》;20120831;第30卷(第8期);第808页左栏第1、2段,812页左栏第2、3段 *
Zeolites for adsorptive desulfurization from fuels;Roghaye Dehghan et al.;《ELSEVIER》;20170630;第167卷;第103页第3.2.1.2部分、第109页第3.4部分 *

Also Published As

Publication number Publication date
CN109201105A (en) 2019-01-15

Similar Documents

Publication Publication Date Title
Gao et al. Deep desulfurization of fuels using supported ionic liquid-polyoxometalate hybrid as catalyst: A comparison of different types of ionic liquids
CN111659364A (en) Sulfur-resistant and water-resistant manganese-based low-temperature denitration catalyst and preparation method thereof
CN102585888B (en) Oxidative desulfurization method for rare earth polyacid and ionic liquid extraction catalysis fuel oil
CN101338221A (en) Fuel oil desulfurization process by ionic liquid extraction-photocatalytic oxidation method
CN105344323A (en) Adsorbent for deep removal of organic sulfide and preparation method and application thereof
CN109201105B (en) Preparation method of deep desulfurization catalyst
Liao et al. An approach to study the desulfurization mechanism and the competitive behavior from aromatics: A case study on CeY zeolite
Xu et al. Catalytic oxidation desulfurization of silica-gel-supported ionic liquid [Bmim] CoCl3 coupling oxone
CN102732288B (en) Application of double-effect copper phosphotungstate catalyst in oil product desulfurization
CN104762101B (en) Method for oxidative desulfurization of fuel oil by adopting polyacid intercalation trihydroxymethyl hydrotalcite and ionic liquid extraction catalysis
CN103566867B (en) Preparation method of desulfurization adsorbent for transformer oil
CN108465484A (en) A kind of preparation method of FCC gasoline desulfurization-hydrogenation modifying catalyst
CN112844315B (en) Photoresponse complexing adsorbent and preparation method and application thereof
CN103074099B (en) A kind of catalytic oxidation desulfurization method of oil fuel
Xu et al. Preparation of cobalt-containing polyvinylimidazole ionic liquid catalyst and coupling with persulfate for room-temperature ultra-deep desulfurization
CN110354812B (en) With SiO2Method for removing thiophene sulfides in fuel oil by using-MTES-APTES composite aerogel as adsorbent
CN101302441A (en) Method for removing sulfide in catalytically cracked gasoline by oxidation-extraction
CN101851529A (en) Deep desulphurization method for oil by catalytic oxidation of potassium ferrate serving as oxidant with solid super acid
CN114082431A (en) Polyion liquid-based nitrogen-doped carbon-supported metal oxide composite material and preparation and desulfurization application thereof
CN113713857A (en) Polyoxometallate oxidation desulfurization catalyst and preparation method and application thereof
CN112142031A (en) Desulfurization method of high-sulfur petroleum coke under low energy consumption condition
CN112206743A (en) Preparation method and application of modified attapulgite desulfurization adsorbent
CN102746874B (en) Method for FCC (Fluid Catalytic Cracking) gasoline oxidation sweetening with ionic liquid
CN104475146B (en) Catalytic cracking gasoline alkylation desulphurization catalyst and preparation method thereof
CN114736389B (en) Molybdenum-based metal organic framework material and preparation method and application thereof

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
TA01 Transfer of patent application right

Effective date of registration: 20211112

Address after: 266000 2303, 23 / F, Hongrun Plaza, No. 3, Changjiang Middle Road, Huangdao District, Qingdao, Shandong

Applicant after: Shandong faentai Technology Engineering Co., Ltd

Applicant after: China University of Petroleum (East China)

Address before: 266580 No. 66, Changjiang West Road, Huangdao District, Qingdao City, Shandong Province

Applicant before: China University of Petroleum (East China)

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant