CN109513455A - Epoxidation catalyst and preparation method thereof and application method - Google Patents

Epoxidation catalyst and preparation method thereof and application method Download PDF

Info

Publication number
CN109513455A
CN109513455A CN201811469861.9A CN201811469861A CN109513455A CN 109513455 A CN109513455 A CN 109513455A CN 201811469861 A CN201811469861 A CN 201811469861A CN 109513455 A CN109513455 A CN 109513455A
Authority
CN
China
Prior art keywords
solution
added
acid
epoxidation catalyst
metal hydroxides
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.)
Granted
Application number
CN201811469861.9A
Other languages
Chinese (zh)
Other versions
CN109513455B (en
Inventor
余渡江
黄东平
邢益辉
魏斌
范春元
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.)
HONGBAOLI GROUP Co.,Ltd.
RED POLAROID GROUP TAIXING CHEMICAL Co.,Ltd.
Original Assignee
Hongbaoli Group Ltd By Share Ltd
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 Hongbaoli Group Ltd By Share Ltd filed Critical Hongbaoli Group Ltd By Share Ltd
Priority to CN201811469861.9A priority Critical patent/CN109513455B/en
Publication of CN109513455A publication Critical patent/CN109513455A/en
Application granted granted Critical
Publication of CN109513455B publication Critical patent/CN109513455B/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
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/041Mesoporous materials having base exchange properties, e.g. Si/Al-MCM-41
    • B01J29/042Mesoporous materials having base exchange properties, e.g. Si/Al-MCM-41 containing iron group metals, noble metals or copper
    • B01J29/044Iron group metals or copper
    • 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
    • B01J29/041Mesoporous materials having base exchange properties, e.g. Si/Al-MCM-41
    • B01J35/61
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D301/00Preparation of oxiranes
    • C07D301/02Synthesis of the oxirane ring
    • C07D301/03Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
    • C07D301/12Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with hydrogen peroxide or inorganic peroxides or peracids
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D303/00Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
    • C07D303/02Compounds containing oxirane rings
    • C07D303/04Compounds containing oxirane rings containing only hydrogen and carbon atoms in addition to the ring oxygen atoms
    • 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

Abstract

The invention discloses a kind of epoxidation catalysts comprising the TiO of 2~15wt%2;The SiO of 84~96wt%2;The M of 0.75~3wt%;TiO2And SiO2Total amount be 97~99.25wt%;9~30nm of aperture of the epoxidation catalyst, 210~700m of specific surface area2/g;Wherein M is CaO, Fe2O3, CuO or Cr2O3At least one of.The preparation method of above-mentioned epoxidation catalyst, step are as follows: (11) template, pH adjusting agent, water are added into reactor, mesoporous silicon rubber powder is made;(12) mesoporous silicon rubber powder, extrusion aid, adhesive are roasted and molded molecular sieve is made;(13) molded molecular sieve roasting is added into reacting furnace, is pumped into titanium source, the first maceration extract is impregnated;(14) it cleans, is dry, modifying agent is added, epoxidation catalyst is made.This application additionally provides the application method of above-mentioned catalyst.The catalyst has the advantage that can be recycled, preparation method cleaning in the case where guaranteeing efficient situation.

Description

Epoxidation catalyst and preparation method thereof and application method
Technical field
The present invention relates to a kind of epoxidation catalyst and preparation method thereof and application methods, belong to catalyst synthesis and application Field.
Background technique
Propylene oxide is important basic organic chemical raw material.Traditional chlorohydrination production propylene oxide process pollution weight, Corrosion is big.Under the important prerequisite of environmental protection, the epoxidation Green Manufacturing Technology that development technology process is simple, cleaning is economic is especially heavy It wants.It selects organic peroxide oxyalkylene in related solvents to prepare epoxide to flourish in recent two decades.Such as mistake Hydrogen oxide cumene oxidation propylene method is due to polluting development that is small and having become Producing Process of Propylene Oxide without joint product generation One of direction.The hydrogen peroxide ethylbenzene oxidation propylene also heavy industrialization application of Shell Co. Ltd.Therefore, alkene epoxidation is catalyzed Agent is the core of technological break-through, and catalyst structure form, constituent directly affect the selectivity of the conversion ratio of raw material, product. And the service life of catalyst directly affects production cost.
Source investigation shows that Titanium Sieve Molecular Sieve has good catalytic activity to the selective oxidation of olefines, is epoxidation Preferable catalyst in reaction.Mesoporous (2~50nm) molecular sieve is able to satisfy hydrogen peroxide ethylbenzene, cumyl hydroperoxide molecule ruler Very little requirement.Organic peroxy source, alkene are spread in the duct of Titanium Sieve Molecular Sieve, and contact metallic element is easier to react obtained Corresponding product.The study found that organic matter can be deposited in molecular sieve pore passage, be blocked with the progress of reaction.Substantially reduce catalysis Agent service life.Therefore, recyclable effective catalyst is developed as trend.
Summary of the invention
The purpose of the present invention, which first consists in, provides a kind of catalyst, and for the catalyst in the case where guaranteeing efficient situation, having can The advantage of recycling, specific technical solution are as follows:
A kind of epoxidation catalyst comprising
The TiO of 2~15wt%2;The SiO of 84~96wt%2;The M of 0.75~3wt%;TiO2And SiO2Total amount be 97~ 99.25wt%;9~30nm of aperture of the epoxidation catalyst, 210~700m of specific surface area2/g;Wherein M is CaO, Fe2O3、 CuO or Cr2O3At least one of.
The catalyst aperture is big, specific surface area is high, and pole is conducive to reactant disengaging catalyst duct and contacts and leave away with metal, Improve catalytic efficiency.The catalyst can be the catalyst of epoxidation of propylene, have good economic performance.For organic peroxide Propylene oxide prepares propylene oxide and provides a kind of efficient metal composite catalyst.
The circulation that the catalyst can be impregnated again by the dipping and cleaning of assistant metal element, both guarantees Titanium Sieve Molecular Sieve Efficient stable realizes the process in dredging duct, recycling again.On the basis for guaranteeing that catalyst has good catalytic effect On, realization can be recycled.
Using this catalyst, conversion ratio >=99.9%, selectivity >=99.5% can be made.
Secondly, the application also provides the preparation method of above-mentioned epoxidation catalyst, comprising the following steps:
(11) template, pH adjusting agent, water are added into reactor, is heated to 40~90 DEG C, stirs 0.5~1.5h, adds Enter silicon source, 40~90 DEG C of 12~48h of heat preservation, then temperature of reactor is risen to 120~150 DEG C the reaction was continued 12~48h, then drop It is filtered after warming to room temperature, is dry, obtaining mesoporous silicon rubber powder;
(12) mesoporous silicon rubber powder, extrusion aid, adhesive are mixed in proportion, extrusion moulding is mold compound;It will be at Type product in 100~180 DEG C dry 12~for 24 hours, then in 400~850 DEG C of 3~5h of roasting, obtain molded molecular sieve;
(13) molded molecular sieve is added into reacting furnace, 400~900 DEG C of furnace temperature, by being pumped into titanium source at the top of reacting furnace, keeps It is cooled to 60~90 DEG C after 6~12h, the first maceration extract is then added and is impregnated, by the first maceration extract after impregnating 4~12h It releases, drain, which is the first metal hydroxide solutions;
(14) by reacting furnace temperature control at 100~400 DEG C, deionized water cleaning is added, clean heat preservation and dryness 8~for 24 hours afterwards, Furnace temperature is down to 90~160 DEG C, and modifying agent is added, and keeps the temperature 2~10h, and epoxidation catalyst is made.
The preparation method controls product index by adjusting late phase reaction temperature, simplifies the removal of template extraction or roasting Process reduces water, gas pollution.
Preferably, in the preparation method of the epoxidation catalyst,
In step (11), template, pH adjusting agent, water and silicon source mass ratio be 1:0.1~0.3:10~25:3~10;
In step (12), the mass ratio of mesoporous silicon rubber powder, extrusion aid and adhesive is 1:0.03~0.1:0.3~1;
In step (13), the mass ratio of molded molecular sieve and titanium source is 1:0.1~0.5;
In step (13), the first metal hydroxide solutions are metal hydroxides aqueous solution, metal hydroxides dissolution In the first sour solution, metal hydroxides is dissolved in the solution of the first alkali, metal hydroxides is dissolved in the molten of the first solvent Liquid or metal hydroxides colloidal solution, the mass concentration of the first metal hydroxide solutions are 0.1~2wt%;
It is above-mentioned first acid be hydrochloric acid, nitric acid or perchloric acid, the first alkali be ammonium hydroxide or ammonium salt solution, the first solvent be glycerol or Sodium cyanide solution;
In step (14), the mass ratio of deionized water, molded molecular sieve and modifying agent is 2~5:1:0.1~0.5.
In above scheme, the first metal hydroxides is introduced with solution or colloid solution form, improves point of metallic element Property is dissipated, also can remove a large amount of unreacted titanium sources in dipping process, reduces influence of the extra-framework titanium to catalytic performance.Modifying agent Addition, improve the whole hydrophobic performance of catalyst, reduce the influence that moisture uses catalyst.
Further, in step (11), template is selected from lauryl amine, cetylamine, Macrogol 4000, Tween 80 or dodecane At least one of base benzene sulfonic acid sodium salt;
In step (11), pH adjusting agent in oxalic acid, ammonium hydroxide, glacial acetic acid, citric acid or tetramethylammonium hydroxide extremely Few one kind;
In step (11), silicon source is selected from least one of aqueous silica solution, liquid silica solution or sodium metasilicate;
In step (12), extrusion aid in hydroxypropyl methyl cellulose, sesbania gum or Macrogol 6000 at least one Kind;
In step (12), adhesive is in aqueous silica solution or silica solution, aqueous silica solution or silica solution The mass concentration of silica is 5~40%;
In step (13), titanium source is selected from titanium tetrachloride, tetramethoxy titanate ester, tetraethyl titanate, metatitanic acid orthocarbonate or metatitanic acid four At least one of butyl ester;
In step (13), metal hydroxides in the first metal hydroxide solutions be selected from calcium hydroxide, iron hydroxide, At least one of Kocide SD or chromium hydroxide;
In step (14), modifying agent is selected from hexamethyldisilazane, tetramethyl-disilazane, trim,ethylchlorosilane, front three At least one of bromide silane or Iodotrimethylsilane.
In above scheme, silicon source avoids the selection of organic silicic acid esters, improves the hydrophilicity of silica white, is metal More attachment points are provided, while improving the matching with adhesive.
Again, the application also provides the application method of above-mentioned epoxidation catalyst, includes the following steps:
(21) epoxidation catalyst is fitted into tubular reactor, controls the temperature of reactor at 60~125 DEG C, is added third Alkene and organic peroxide mixed solution, the gas phase composition of sampling analysis reaction product and turning for titrimetry organic peroxide Rate;
(22) when reaction temperature is lower than 5~10 DEG C of reaction temperature of setting, first stop the addition of organic peroxy mixed solution, Stop the addition of propylene again, the second maceration extract is then added and is impregnated, releases the second maceration extract after impregnating 4~12h, row To the greatest extent, circulation is passed through related solvents and cleans to epoxidation catalyst, and after cleaning 4~12h, epoxidation catalyst is repeated again It utilizes;Second maceration extract is the second metal hydroxide solutions.
In above scheme, combine the detection of conversion ratio that can effectively monitor catalyst catalytic performance by temperature (reaction heat), Improve technology stability.Catalyst cellular structure can effectively be dredged by impregnating and cleaning again, avoid the loss of active metal, raising is urged Agent service life.The circulation that the dipping of assistant metal element and cleaning impregnate again, had both guaranteed the efficient stable of Titanium Sieve Molecular Sieve Property realize again dredging duct, recycling process;
Preferably, in step (21), the molar ratio of propylene and organic peroxide is 1:4~16;It is related in step (22) The mass ratio of solvent and epoxidation catalyst is 1:2~5.
In above scheme, solvent can effectively remove the residual impurity in maceration extract, meanwhile, solvent can also take away residual water Point, effectively avoid the reduction of hydrophobic performance after catalyst modification.
In step (22), organic peroxide mixed solution is the mixed solution of cumyl hydroperoxide and isopropylbenzene;Or Organic peroxide mixed solution is the mixed solution of hydrogen peroxide ethylbenzene and ethylbenzene;The mass percentage of organic peroxide It is 25~55%;It is related molten when organic peroxide mixed solution is the mixed solution of cumyl hydroperoxide and isopropylbenzene Agent is isopropylbenzene;When organic peroxide mixed solution is the mixed solution of hydrogen peroxide ethylbenzene and ethylbenzene, related solvents are Ethylbenzene.
In above scheme, propylene oxide made from organic peroxide mixed solution propylene oxide is since moisture is low, by-product Few, product quality is high.And cumyl hydroperoxide method pollutes low, Matter Transfer use without coproduction.
Preferably, in step (22), the second metal hydroxide solutions are metal hydroxides aqueous solution, metal hydroxide It is molten that object is dissolved in the second sour solution, metal hydroxides is dissolved in the solution of the second alkali, metal hydroxides is dissolved in second The solution or metal hydroxides colloidal solution of agent, the mass concentration of the second metal hydroxide solutions are 0.1~2wt%;
It is above-mentioned second acid be hydrochloric acid, nitric acid or perchloric acid, the second alkali be ammonium hydroxide or ammonium salt solution, the second solvent be glycerol or Sodium cyanide solution.
Specific embodiment
Embodiment 1
22g Macrogol 4000,500g deionized water are added in the reactor of 1L, is warming up to 60 DEG C of stirring 1h, is added 125 DEG C are warming up to after alkaline silica gel aqueous solution 100g, insulated and stirred 20h that concentration is 40wt% the reaction was continued 20h, filtering, roasting It burns, obtains mesoporous silicon rubber powder 35g;The quality that 2g is pressed 1:1 by hydroxypropyl methyl cellulose and sesbania gum is added in mesoporous silicon rubber powder Pass through list after mixing evenly than being formed by epoxy glue, 75g concentration for the aqueous silica solution and 15g deionized water of 40wt% Screw rod banded extruder is extruded into 2mm shaped molecular sieve of diameter.By it in 550 DEG C of roasting 3.5h after 125 DEG C of dry 20h, finished product is cut Item is spare.
50g shaped molecular sieve is added in reacting furnace, 610 DEG C of furnace temperature, titanium tetrachloride 12.5g is added, keeps the temperature 8h.Furnace temperature drop It is added after the calcium hydroxide solution 100g that concentration is 1wt% impregnates 8h and drains to 70 DEG C, reacting furnace is passed through after being warming up to 200 DEG C The cleaning of 200g deionized water, the heat preservation and dryness 8h after water adds.Reacting furnace is cooled to 150 DEG C, and the hexamethyl two measured is added Silazane 12.5g keeps the temperature 8h.Gained catalyst is labeled as 1#.
Load a certain amount of epoxidation catalyst prepared by the present invention in fixed bed reactors, control reaction pressure 2~ 5MPa, 40~160 DEG C of reaction temperature, cumyl hydroperoxide concentration 35wt%, cumyl hydroperoxide volume space velocity 0.5~ 2h-1, propylene and cumyl hydroperoxide molar ratio 10:1.In reaction process, if cumyl hydroperoxide conversion ratio is lower than 95%, stop that cumyl hydroperoxide/isopropylbenzene mixed solution, propylene is added, the iron hydroxide solution that concentration is 1wt% is added It is drained after dipping 8h, circulation continues to use after being passed through isopropylbenzene cleaning 8h.Service condition is labeled as P1*.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, and difference is: Macrogol 4000 dosage is changed to 16.2g, remaining and reality It is identical to apply example 1.Gained catalyst is labeled as 2#.Service condition is labeled as P2*.
Embodiment 3
The present embodiment is substantially the same manner as Example 1, and difference is: 22g Macrogol 4000 is replaced by 15g cetylamine, Remaining is same as Example 1.Gained catalyst is labeled as 3#.Service condition is labeled as P3*.
Embodiment 4
The present embodiment is substantially the same manner as Example 1, and difference is: concentration is that the calcium hydroxide solution 100g of 1wt% is replaced It is changed to the ferric hydroxide colloid solution 100g that concentration is 1wt%, remaining is same as Example 1.Gained catalyst is labeled as 4#.Make P4* is labeled as with situation.
Embodiment 5
The present embodiment is substantially the same manner as Example 1, and difference is: 2g is by hydroxypropyl methyl cellulose and sesbania gum by 1:1 Mass ratio be formed by epoxy glue and be replaced by 3g sesbania gum, concentration be the aqueous silica solution of 40wt% dosage by 75g is adjusted to 100g, and it is sweet that the calcium hydroxide solution 100g that concentration is 1wt% is replaced by the Kocide SD that concentration is 1.2wt% Oil solution 80g, remaining is same as Example 1.Gained catalyst is labeled as 5#.Service condition is labeled as P5*.
Embodiment 6
The present embodiment is substantially the same manner as Example 1, and difference is: propylene and cumyl hydroperoxide molar ratio are adjusted to 6: 1, remaining is same as Example 1.Gained catalyst is labeled as 6#.Service condition is labeled as P6*.
Catalyst prepared by each embodiment is detected, testing result is included in table 1.Catalysis prepared by each embodiment The using effect of agent is included in table 2.
The testing result of each embodiment catalyst of table 1
The using effect of each embodiment catalyst of table 2
By Tables 1 and 2 as can be seen that the catalyst in the application has good structure and excellent catalysis and makes Use performance.

Claims (8)

1. a kind of epoxidation catalyst, which is characterized in that including
The TiO of 2~15wt%2
The SiO of 84~96wt%2
The M of 0.75~3wt%;
TiO2And SiO2Total amount be 97~99.25wt%;
9~30nm of aperture of the epoxidation catalyst, 210~700m of specific surface area2/g;
Wherein M is CaO, Fe2O3, CuO or Cr2O3At least one of.
2. the preparation method of epoxidation catalyst described in claim 1, comprising the following steps:
(11) template, pH adjusting agent, water are added into reactor, is heated to 40~90 DEG C, stirs 0.5~1.5h, silicon is added Source, 40~90 DEG C of 12~48h of heat preservation, then temperature of reactor is risen to 120~150 DEG C the reaction was continued 12~48h, then it is cooled to It is filtered after room temperature, is dry, obtaining mesoporous silicon rubber powder;
(12) mesoporous silicon rubber powder, extrusion aid, adhesive are mixed in proportion, extrusion moulding is mold compound;Molding is produced Object in 100~180 DEG C dry 12~for 24 hours, then in 400~850 DEG C of 3~5h of roasting, obtain molded molecular sieve;
(13) it is added molded molecular sieve into reacting furnace, 400~900 DEG C of furnace temperature, by being pumped into titanium source at the top of reacting furnace, keep 6~ It is cooled to 60~90 DEG C after 12h, the first maceration extract is then added and is impregnated, puts the first maceration extract after impregnating 4~12h Out, it drains, which is the first metal hydroxide solutions;
(14) by reacting furnace temperature control at 100~400 DEG C, deionized water cleaning is added, clean heat preservation and dryness 8~for 24 hours afterwards, furnace temperature 90~160 DEG C are down to, modifying agent is added, keeps the temperature 2~10h, epoxidation catalyst is made.
3. preparation method according to claim 2, which is characterized in that
In step (11), template, pH adjusting agent, water and silicon source mass ratio be 1:0.1~0.3:10~25:3~10;
In step (12), the mass ratio of mesoporous silicon rubber powder, extrusion aid and adhesive is 1:0.03~0.1:0.3~1;
In step (13), the mass ratio of molded molecular sieve and titanium source is 1:0.1~0.5;
In step (13), the first metal hydroxide solutions are that metal hydroxides aqueous solution, metal hydroxides are dissolved in One acid solution, metal hydroxides be dissolved in the solution of the first alkali, metal hydroxides be dissolved in the first solvent solution or Metal hydroxides colloidal solution, the mass concentration of the first metal hydroxide solutions are 0.1~2wt%;
Above-mentioned first acid is hydrochloric acid, nitric acid or perchloric acid, and the first alkali is ammonium hydroxide or ammonium salt solution, and the first solvent is glycerol or cyaniding Sodium solution;
In step (14), the mass ratio of deionized water, molded molecular sieve and modifying agent is 2~5:1:0.1~0.5.
4. preparation method according to claim 2, which is characterized in that
In step (11), template is selected from lauryl amine, cetylamine, Macrogol 4000, Tween 80 or neopelex At least one of;
In step (11), pH adjusting agent in oxalic acid, ammonium hydroxide, glacial acetic acid, citric acid or tetramethylammonium hydroxide at least one Kind;
In step (11), silicon source is selected from least one of aqueous silica solution, liquid silica solution or sodium metasilicate;
In step (12), extrusion aid is selected from least one of hydroxypropyl methyl cellulose, sesbania gum or Macrogol 6000;
In step (12), adhesive is selected from aqueous silica solution or silica solution, dioxy in aqueous silica solution or silica solution The mass concentration of SiClx is 5~40%;
In step (13), titanium source is selected from titanium tetrachloride, tetramethoxy titanate ester, tetraethyl titanate, metatitanic acid orthocarbonate or butyl titanate At least one of;
In step (13), the metal hydroxides in the first metal hydroxide solutions is selected from calcium hydroxide, iron hydroxide, hydrogen-oxygen Change at least one of copper or chromium hydroxide;
In step (14), modifying agent is selected from hexamethyldisilazane, tetramethyl-disilazane, trim,ethylchlorosilane, front three bromide At least one of silane or Iodotrimethylsilane.
5. the application method of epoxidation catalyst described in claim 1, comprising the following steps:
(21) epoxidation catalyst is fitted into tubular reactor, controls the temperature of reactor at 60~125 DEG C, be added propylene and Organic peroxide mixed solution, the gas phase composition of sampling analysis reaction product and the conversion of titrimetry organic peroxide Rate;
(22) when reaction temperature is lower than 5~10 DEG C of reaction temperature of setting, first stop the addition of organic peroxy mixed solution, then stop Then the only addition of propylene is added the second maceration extract and is impregnated, release the second maceration extract after impregnating 4~12h, drain, Circulation is passed through related solvents and cleans to epoxidation catalyst, after cleaning 4~12h, epoxidation catalyst is repeated again sharp With;Second maceration extract is the second metal hydroxide solutions.
6. application method according to claim 5, which is characterized in that
In step (21), the molar ratio of propylene and organic peroxide is 1:4~16;
In step (22), the mass ratio of related solvents and epoxidation catalyst is 1:2~5.
7. application method according to claim 5, which is characterized in that
In step (22), organic peroxide mixed solution is the mixed solution of cumyl hydroperoxide and isopropylbenzene;Or
Organic peroxide mixed solution is the mixed solution of hydrogen peroxide ethylbenzene and ethylbenzene;
The mass percentage of organic peroxide is 25~55%;
When organic peroxide mixed solution is the mixed solution of cumyl hydroperoxide and isopropylbenzene, related solvents are isopropyl Benzene;
When organic peroxide mixed solution is the mixed solution of hydrogen peroxide ethylbenzene and ethylbenzene, related solvents are ethylbenzene.
8. application method according to claim 5, which is characterized in that
In step (22), the second metal hydroxide solutions are that metal hydroxides aqueous solution, metal hydroxides are dissolved in Solution, the metal hydroxides of diacid are dissolved in the solution of the second alkali, metal hydroxides be dissolved in the second solvent solution or Metal hydroxides colloidal solution, the mass concentration of the second metal hydroxide solutions are 0.1~2wt%;
Above-mentioned second acid is hydrochloric acid, nitric acid or perchloric acid, and the second alkali is ammonium hydroxide or ammonium salt solution, and the second solvent is glycerol or cyaniding Sodium solution.
CN201811469861.9A 2018-12-04 2018-12-04 Epoxidation catalyst, method of making and method of using the same Active CN109513455B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811469861.9A CN109513455B (en) 2018-12-04 2018-12-04 Epoxidation catalyst, method of making and method of using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811469861.9A CN109513455B (en) 2018-12-04 2018-12-04 Epoxidation catalyst, method of making and method of using the same

Publications (2)

Publication Number Publication Date
CN109513455A true CN109513455A (en) 2019-03-26
CN109513455B CN109513455B (en) 2021-09-24

Family

ID=65794111

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811469861.9A Active CN109513455B (en) 2018-12-04 2018-12-04 Epoxidation catalyst, method of making and method of using the same

Country Status (1)

Country Link
CN (1) CN109513455B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110947375A (en) * 2019-11-26 2020-04-03 红宝丽集团股份有限公司 Catalyst for preparing propylene oxide and preparation method thereof
CN114054084A (en) * 2021-12-14 2022-02-18 红宝丽集团股份有限公司 Preparation method of epoxidation catalyst
CN114345404A (en) * 2021-12-28 2022-04-15 万华化学集团股份有限公司 Phenol hydroxylation catalyst and preparation method thereof, and phenol hydroxylation method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1557552A (en) * 2004-01-13 2004-12-29 厦门大学 Catalyst for preparing epoxy propane by gas phase epoxidation of propane and preparation method
CN102441429A (en) * 2010-10-11 2012-05-09 中国石油化工股份有限公司 Olefin epoxidation catalyst, preparation method, and method for epoxidation of olefin
WO2014153570A2 (en) * 2013-03-15 2014-09-25 Transtar Group, Ltd New and improved system for processing various chemicals and materials
CN106582809A (en) * 2016-12-22 2017-04-26 红宝丽集团股份有限公司 Catalyst for epoxidation of olefin and preparation method thereof
CN106632147A (en) * 2016-12-20 2017-05-10 红宝丽集团股份有限公司 Method for preparing propylene oxide by utilizing micro-channel reactor
CN106986351A (en) * 2017-04-18 2017-07-28 中触媒新材料股份有限公司 The synthetic method of HTS TS 1 a kind of and its application in propylene ring oxidation reaction
CN108530393A (en) * 2018-03-19 2018-09-14 华东师范大学 A kind of synthetic method of epoxides

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1557552A (en) * 2004-01-13 2004-12-29 厦门大学 Catalyst for preparing epoxy propane by gas phase epoxidation of propane and preparation method
CN102441429A (en) * 2010-10-11 2012-05-09 中国石油化工股份有限公司 Olefin epoxidation catalyst, preparation method, and method for epoxidation of olefin
WO2014153570A2 (en) * 2013-03-15 2014-09-25 Transtar Group, Ltd New and improved system for processing various chemicals and materials
CN106632147A (en) * 2016-12-20 2017-05-10 红宝丽集团股份有限公司 Method for preparing propylene oxide by utilizing micro-channel reactor
CN106582809A (en) * 2016-12-22 2017-04-26 红宝丽集团股份有限公司 Catalyst for epoxidation of olefin and preparation method thereof
CN106986351A (en) * 2017-04-18 2017-07-28 中触媒新材料股份有限公司 The synthetic method of HTS TS 1 a kind of and its application in propylene ring oxidation reaction
CN108530393A (en) * 2018-03-19 2018-09-14 华东师范大学 A kind of synthetic method of epoxides

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张蕾 著: "《烟气脱硫脱硝技术及催化剂的研究进展》", 31 July 2016, 中国矿业大学出版社 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110947375A (en) * 2019-11-26 2020-04-03 红宝丽集团股份有限公司 Catalyst for preparing propylene oxide and preparation method thereof
WO2021103437A1 (en) * 2019-11-26 2021-06-03 红宝丽集团股份有限公司 Catalyst for preparing propylene epoxide and a preparation method therefor
CN114054084A (en) * 2021-12-14 2022-02-18 红宝丽集团股份有限公司 Preparation method of epoxidation catalyst
CN114054084B (en) * 2021-12-14 2023-09-01 红宝丽集团股份有限公司 Preparation method of epoxidation catalyst
CN114345404A (en) * 2021-12-28 2022-04-15 万华化学集团股份有限公司 Phenol hydroxylation catalyst and preparation method thereof, and phenol hydroxylation method
CN114345404B (en) * 2021-12-28 2023-09-19 万华化学集团股份有限公司 Phenol hydroxylation catalyst and preparation method thereof, and phenol hydroxylation method

Also Published As

Publication number Publication date
CN109513455B (en) 2021-09-24

Similar Documents

Publication Publication Date Title
CN109513455A (en) Epoxidation catalyst and preparation method thereof and application method
CN101485990B (en) Solid supported heteropoly acid catalyst and preparation method thereof
CN105754102A (en) Hydroxyl silicone oil and continuous preparation method thereof
CN105854933B (en) A kind of modifying titanium-silicon molecular sieve and its method of modifying and application
CN102658200B (en) Use of sulfonic acid-functionalized ordered mesoporous polymer-silicon oxide composite material
CN106187718A (en) A kind of preparation method of vanillin
CN101492528A (en) Method for synthesis of alicyclic epoxy resin with catalysis of solid supported heteropoly acid catalyst
CN101463020A (en) Method for synthesizing epoxy styrene by direct oxidation of phenylethylene
CN106423278B (en) A kind of method of the preparation and catalyzed conversion carbon dioxide of ionized catalyst
CN106000406A (en) Ni-based composite metal oxide catalyst and application thereof
CN107930688A (en) The method that a kind of mesoporous supported imidazole ion liquid catalyst and catalysis oxidation alcohol prepare aldehydes or ketones
CN109046379A (en) A kind of perovskite composite oxides load platinum catalyst and its preparation and application
CN113387908A (en) Application of magnesium cobaltate catalyst in selective oxidation reaction of styrene
CN105330832B (en) A kind of synthetic method of epoxy radicals end-blocking butanol polyoxyethylene poly-oxygen propylene aether
CN110947375B (en) Catalyst for preparing propylene oxide and preparation method thereof
CN110038556A (en) OMS-2 type composite material, its preparation method and application with mixed crystallization phase
CN105854742A (en) High-performance titanium-silicon molecular sieve catalyst and extrusion molding method thereof
CN106000302A (en) Preparation method of composite carbon aerogel-baed air purifying agent
CN110327971A (en) A kind of preparation method and application of acidic ionic liquid catalysts
CN106588819B (en) A kind of preparation method of highly selective epoxypinane
CN112774663A (en) Hierarchical pore catalyst for directly preparing ethylene from methane and preparation method and application thereof
CN109647505A (en) A kind of titanium-silicon molecular sieve catalyst and preparation method thereof
CN104447263A (en) Method for realizing one-step synthesis of carvone through catalytic oxidation
CN109759100B (en) Preparation method of molybdenum oxide and phosphotungstic acid co-modified supported ruthenium-carbon catalyst and application of catalyst in liquid-phase catalytic hydrogenation reaction of glycerol
CN104230636A (en) Preparation method of ethylbenzene from hydrogenation of low content acetophenone

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
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20211020

Address after: 211300 No. 29, Shuanggao Road, Gaochun Economic Development Zone, Nanjing, Jiangsu

Patentee after: HONGBAOLI GROUP Co.,Ltd.

Patentee after: RED POLAROID GROUP TAIXING CHEMICAL Co.,Ltd.

Address before: 211300 No. 29 high road, Gaochun Economic Development Zone, Nanjing, Jiangsu

Patentee before: HONGBAOLI GROUP Co.,Ltd.

TR01 Transfer of patent right