CN107398295A - A kind of catalyst and preparation method for catalytic purification VOC - Google Patents

A kind of catalyst and preparation method for catalytic purification VOC Download PDF

Info

Publication number
CN107398295A
CN107398295A CN201710657365.5A CN201710657365A CN107398295A CN 107398295 A CN107398295 A CN 107398295A CN 201710657365 A CN201710657365 A CN 201710657365A CN 107398295 A CN107398295 A CN 107398295A
Authority
CN
China
Prior art keywords
catalyst
noble metal
carrier
base metal
type base
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
CN201710657365.5A
Other languages
Chinese (zh)
Inventor
熊国槐
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.)
Jiangxi State Environmental Protection Science And Technology Ltd Co
Original Assignee
Jiangxi State Environmental Protection Science And Technology Ltd Co
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 Jiangxi State Environmental Protection Science And Technology Ltd Co filed Critical Jiangxi State Environmental Protection Science And Technology Ltd Co
Priority to CN201710657365.5A priority Critical patent/CN107398295A/en
Publication of CN107398295A publication Critical patent/CN107398295A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/002—Mixed oxides other than spinels, e.g. perovskite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/63—Platinum group metals with rare earths or actinides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
    • B01J29/10—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y containing iron group metals, noble metals or copper
    • B01J29/12—Noble metals
    • B01J29/126—Y-type faujasite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40—Crystalline 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
    • B01J29/42—Crystalline 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 iron group metals, noble metals or copper
    • B01J29/44—Noble metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40—Crystalline 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
    • B01J29/48—Crystalline 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
    • B01J29/74—Noble metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
    • B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
    • B01J29/74—Noble metals
    • B01J29/7415—Zeolite Beta
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/10—After treatment, characterised by the effect to be obtained
    • B01J2229/18—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself
    • B01J2229/186—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself not in framework positions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts

Abstract

The invention discloses a kind of catalyst and preparation method for catalytic purification VOC, the catalyst, it is calcined and is made at 350 1000 DEG C after being mixed by support type base metal catalysts with loaded noble metal catalyst, wherein support type base metal catalysts are made up of carrier and the base metal being carried on carrier, and loaded noble metal catalyst is made up of carrier and the noble metal being carried on carrier and auxiliary agent.The mass ratio of support type base metal catalysts and loaded noble metal catalyst is 1:99~99:1.Catalyst prepared by the present invention has high activity, especially shows high activity, high thermal stability, high hydrothermal stability, high thermal shock performance, long-life to conventional VOCs such as aromatic hydrocarbons, oxygen-bearing organic matter, alkene, alkane；Preparing raw material is easy to get, and preparation technology is easy, and bullion content low cost is low.The catalyst applies also for the catalytic combustion elimination of volatile organic matter, and the industry such as the production of zero level air, combustion gas/fuel handling, gas deoxidation purifying.

Description

A kind of catalyst and preparation method for catalytic purification VOC
Technical field
The present invention relates to catalyst technical field, specifically a kind of catalysis for catalytic purification VOC Agent and preparation method.
Background technology
VOC (Volatile Organic Compounds, VOCs) is saturated vapor under a kind of normal temperature Pressure is more than organic compound of the boiling point below 260 DEG C under 70Pa, normal pressure, or vapour pressure is more than or equal under the conditions of 20 DEG C 10Pa has corresponding volatile organic compound, its mainly include alkanes, aromatic hydrocarbons, esters, aldehydes, halogenated hydrocarbons and other Deng most common to have benzene,toluene,xylene, styrene, trichloro ethylene, ethyl acetate, formaldehyde etc..Most of such material is originally Body has toxicity (such as benzene homologues are defined as strong carcinogen by the World Health Organization) or is easy to participate in atmospheric photochemical reaction Cause the production process of the industry such as photochemical pollution, petrochemical industry, fine chemistry industry, paint, pharmacy, leather, textile printing and dyeing In largely discharge such material, the living environment of serious threat to the mankind.Therefore, it is particularly necessary to VOCs purified treatment.
Catalysis oxidation (burning) method is proved to be one of most effectual way of purifying VOCs waste gas extensively, and it refers in catalyst In the presence of VOCs can at a lower temperature (reaction temperature is generally below 500 DEG C) occur oxidation reaction, generate nontoxic CO2 and H2O.The core technology of this method is the research and development of effective catalyst.
Applied to VOCs be catalyzed burning purification catalyst it is common be divided into simple metal oxide, composite oxides (such as perovskite, spinelle, hexa-aluminate) and loaded noble metal catalyst etc., wherein loaded noble metal catalyst show Go out high activity, high stability and by it is widely studied and application.But the disadvantage of such catalyst is that cost is higher, therefore By reducing bullion content or by optimizing catalytic component/preparation technology so that it shows high work to broad spectrum activity VOCs Property etc. approach so as to reducing the Main way that cost is such catalyst research and development at present.In addition, existing VOCs catalysis combustion Burn cleaning catalyst also generally existing catalytic activity and stability be not high, hydrothermal stability is bad, high temperature heat-resistant impact property compared with Difference, the life-span is shorter and generates the defects of complex process cost is high.
The content of the invention
It is an object of the invention to provide a kind of catalyst for catalytic purification VOC and preparation side Method, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of catalyst for catalytic purification VOC, by support type base metal catalysts and support type It is calcined and is made at 350-1000 DEG C after noble metal catalyst mixing, wherein support type base metal catalysts by carrier and is carried on Base metal composition on carrier, loaded noble metal catalyst are made up of carrier and the noble metal being carried on carrier and auxiliary agent.
As the further scheme of the present invention：Base metal includes the one or more in transition metal and rare earth metal, mistake Crossing metal includes：Cr, Mn, Fe, Co, Ni, Zn, Cu, rare earth metal include：Y、La、Ce、Pr、Nd、Sm.
As the further scheme of the present invention：Noble metal includes the one or more in Pt, Pd, Ru, Ag, Au, Rh and Ir.
As the further scheme of the present invention：Carrier includes oxide-based carrier and one kind or more in molecular sieve carrier Kind, oxide-based carrier includes Al2O3、SiO2、TiO2、ZrO2And its their composite oxides, molecular sieve carrier include X, Y, M, A, CHA, MFI, Beta, phosphate aluminium molecular sieve.
As the further scheme of the present invention：Auxiliary agent includes alkali metal, alkaline-earth metal, one kind in rare earth metal or more Kind.
As the further scheme of the present invention：Noble metal includes two kinds or two kinds in Pt, Pd, Ru, Ag, Au, Rh and Ir More than, more preferably Pt and Pd；Auxiliary agent is combined by alkaline-earth metal or alkali metal with rare earth metal.
As the further scheme of the present invention：Auxiliary agent is made up of K and La.
As the further scheme of the present invention：The carrier of support type base metal catalysts uses oxide-based carrier；Load The carrier of type noble metal catalyst uses molecular sieve carrier.
As the further scheme of the present invention：In support type base metal catalysts, base metal mass content is 0.1wt%- 50wt% (in terms of support type base metal catalysts), noble metal mass content is 0.01wt%- in loaded noble metal catalyst 50wt%, auxiliary agent mass content are 0.01wt%-20wt% (in terms of loaded noble metal catalyst).
As the further scheme of the present invention：In support type base metal catalysts, base metal mass content is 5wt%- 15wt% (in terms of support type base metal catalysts), noble metal mass content is 0.1wt%, helped in loaded noble metal catalyst Agent mass content is 0.1wt%-5wt% (in terms of loaded noble metal catalyst).
As the further scheme of the present invention：The mass ratio of support type base metal catalysts and loaded noble metal catalyst For 1:99~99:1.
As the further scheme of the present invention：The mass ratio of support type base metal catalysts and loaded noble metal catalyst For 1:5~5:1.
A kind of preparation method of catalyst for catalytic purification VOC, comprises the following steps：
(1) support type base metal catalysts and loaded noble metal catalyst are made respectively, by the low-priced gold of obtained support type Metal catalyst is directly carried out in next step with loaded noble metal catalyst, or is handled and entered again by dry and baking modes Row is in next step；
(2) support type base metal catalysts and loaded noble metal catalyst are sufficiently mixed uniformly, then in 350-1000 It is calcined and is made at DEG C.
As the further scheme of the present invention：The preparation side of support type base metal catalysts and loaded noble metal catalyst Method is using equi-volume impregnating, coprecipitation or directly synthesizes.
As the further scheme of the present invention：The preparation side of support type base metal catalysts and loaded noble metal catalyst Method uses equi-volume impregnating.
As the further scheme of the present invention：The dry temperature of support type base metal catalysts and loaded noble metal catalyst Spend for 100-200 DEG C, sintering temperature is 450-850 DEG C.
As the further scheme of the present invention：In step (2), mixed method includes that mechanical lapping is dry-mixed, mechanical lapping is wet Mixed, solution medium mixing, ultrasonic wave mixing.
As the further scheme of the present invention：In step (2), mixed method uses mechanical lapping wet mixing.
As the further scheme of the present invention：In step (2), sintering temperature is 450-850 DEG C.
VOCs method for preparing catalyst involved in the present invention can be used known to all those skilled in the art of the present invention Method prepares two components of support type base metal catalysts and loaded noble metal catalyst respectively, particularly preferably, according to " equi-volume impregnating " well known by persons skilled in the art carries out the load of metal component, and its specific steps includes：
(1) preparation of support type base metal catalysts：Base metal soluble-salt is dissolved in deionized water, then will oxidation Species carrier or molecular sieve support dispersion are uniform in above-mentioned solution ＆ stir, then static placement 0.5-48 hours at room temperature, 4-48 hours are dried at 50-150 DEG C again, 2-24 hours are calcined at 350-1000 DEG C, produce support type base metal catalysts；
(2) preparation of loaded noble metal catalyst：Precious metal soluble salt and promoter soluble salt are dissolved in necessarily Then that support dispersion is uniform in above-mentioned solution ＆ stir in the deionized water of amount, then static placement 0.5-48 is small at room temperature When, then dry 4-48 hours at 50-150 DEG C, 2-24 hours are calcined at 350-1000 DEG C, produce carried noble metal catalysis Agent；
(3) the support type base metal catalysts and loaded noble metal catalyst and then by (1) and (2) step obtained pass through Mechanical lapping is well mixed, then mixed uniformly powder is calcined into 2-48 hours at 350-1000 DEG C, produces catalyst.
As the further scheme of the present invention：In step (1), support type base metal catalysts：Static placement 12- at room temperature 24 hours, then dry 4-48 hours at 50-150 DEG C, 4-8 hours are calcined at 400-550 DEG C.
As the further scheme of the present invention：In step (2), loaded noble metal catalyst：Static placement 12- at room temperature 24 hours, then dry 4-48 hours at 50-150 DEG C, 4-8 hours are calcined at 400-550 DEG C.
As the further scheme of the present invention：In step (3), 8-12 hours are calcined at 550-750 DEG C.
As the further scheme of the present invention：Base metal soluble-salt, precious metal soluble salt, promoter soluble salt include Nitrate, carbonate, oxalates, formates, sulfate, chloride.
As the further scheme of the present invention：Base metal soluble-salt uses nitrate, and precious metal soluble salt uses nitre Hydrochlorate or chloride, promoter soluble salt use nitrite or chloride.
Compared with prior art, the beneficial effects of the invention are as follows：
Catalyst prepared by the present invention has high activity, especially to conventional VOCs for example aromatic hydrocarbons, oxygen-bearing organic matter, alkene, Alkane shows high activity, high thermal stability, high hydrothermal stability, high thermal shock performance, long-life；Preparing raw material is easy , preparation technology is easy, and bullion content low cost is low.It is organic that the catalyst applies also for other volatility in industrial waste gas The catalytic combustion elimination of thing such as halogenated hydrocarbons, sulfur-bearing VOCs etc..
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of protection of the invention.
Embodiment 1
(1) 1g Ce (NO are weighed3)3·6H2O is dissolved in the clear solution that Ce is configured in 9ml deionized waters, then by 4g oxygen Change in the above-mentioned solution of aluminium addition and stir to obtain sticky solid, static placement 24h, finally dries 24h, 450 at 80 DEG C at room temperature 4h is calcined at DEG C, 10%Ce/Al is made2O3Component；
(2) 0.08g KCl and 0.12g La (NO are weighed3)3It is dissolved in 3ml H2PtCl6(10mg/ml) and 1ml Na2PdCl4In (10mg/ml) solution, it is uniform that 4g ZSM-5 molecular sieve powder is then scattered in above-mentioned solution ＆ stir, in room Static placement 24h under temperature, finally dry 24h at 80 DEG C again, be calcined 4h at 450 DEG C, 0.75%Pt0.25%Pd1% is made K1%La/ZSM-5 components；
(3) it is 1 by mass ratio：1 10%Ce/Al obtained above2O3Component and 0.75%Pt0.25%Pd1%K1% La/ZSM-5 components are mixed by mechanical lapping, and 12h is calcined at 650 DEG C, that is, VOCs catalyst is made.
Embodiment 2
(1) 1g Ce (NO are weighed3)3·6H2O is dissolved in the clear solution that Ce is configured in 9ml deionized waters, then that 4g is sharp The titanium oxide of titanium ore type adds in above-mentioned solution and stirs to obtain sticky solid, at room temperature static placement 24h, is finally done at 80 DEG C Dry 24h, 4h is calcined at 450 DEG C, 10%Ce/TiO is made2Component；
(2) 0.08g KCl and 0.12g La (NO are weighed3)3It is dissolved in 3ml H2PtCl6(10mg/ml) and 1ml Na2PdCl4In (10mg/ml) solution, it is uniform that 4g ZSM-5 molecular sieve powder is then scattered in above-mentioned solution ＆ stir, in room Static placement 24h under temperature, finally dry 24h at 80 DEG C again, be calcined 4h at 450 DEG C, 0.75%Pt0.25%Pd1% is made K1%La/ZSM-5 components；
(3) by obtained 10%Ce/TiO2Component and 0.75%Pt0.25%Pd1%K1%La/ZSM-5 components press quality Than 1：1 ratio, which adds, obtains pasty solid, then by being sufficiently mixed after mechanical lapping 30min, 110 DEG C in 3ml deionized waters Lower drying is simultaneously calcined 12h at 650 DEG C, that is, VOCs catalyst is made.
Embodiment 3
(1) 0.5g Ce (NO are weighed3)3·6H2O is dissolved in the clear solution that Ce is configured in 9ml deionized waters, then by 4g Aluminum oxide adds in above-mentioned solution and stirs to obtain sticky solid, at room temperature static placement 24h, finally dried at 80 DEG C 24h, 4h is calcined at 450 DEG C, 5%Ce/Al is made2O3Component；
(2) 0.08g KCl and 0.12g La (NO are weighed3)3It is dissolved in 3ml H2PtCl6(10mg/ml) and 1ml Na2PdCl4In (10mg/ml) solution, it is uniform that 4g ZSM-5 molecular sieve powder is then scattered in above-mentioned solution ＆ stir, in room Static placement 24h under temperature, finally dry 24h at 80 DEG C again, be calcined 4h at 450 DEG C, 0.75%Pt0.25%Pd0.5% is made K1%La/ZSM-5 components；
(3) it is 1 by mass ratio：1 5%Ce/Al obtained above2O3Component and 0.75%Pt0.25%Pd1%K1% La/ZSM-5 components are mixed by mechanical lapping, and 12h is calcined at 650 DEG C, that is, VOCs catalyst is made.
Embodiment 4
(1) 1.28g Mn (NO are weighed3)2(50%) it is dissolved in 9ml deionized waters and is configured to clear solution, then by 4g oxygen Change in the above-mentioned solution of aluminium addition and stir to obtain sticky solid, static placement 24h, finally dries 24h, 450 at 80 DEG C at room temperature 4h is calcined at DEG C, 5%Mn/Al is made2O3Component；
(2) 0.08g KCl and 0.12g La (NO are weighed3)3It is dissolved in 3ml H2PtCl6(10mg/ml) and 1ml Na2PdCl4In (10mg/ml) solution, it is uniform that 4g ZSM-5 molecular sieve powder is then scattered in above-mentioned solution ＆ stir, in room Static placement 24h under temperature, finally dry 24h at 80 DEG C again, be calcined 4h at 450 DEG C, 0.75%Pt0.25%Pd1% is made K1%La/ZSM-5 components；
(3) it is 1 by mass ratio：1 5%Mn/Al obtained above2O3Component and 0.75%Pt0.25%Pd1%K1% La/ZSM-5 components are mixed by mechanical lapping, and 12h is calcined at 650 DEG C, that is, VOCs catalyst is made.
Embodiment 5
(1) 1g Ce (NO are weighed3)3·6H2O is dissolved in the clear solution that Ce is configured in 9ml deionized waters, then by 4g oxygen Change in the above-mentioned solution of aluminium addition and stir to obtain sticky solid, static placement 24h, finally dries 24h, 450 at 80 DEG C at room temperature 4h is calcined at DEG C, 10%Ce/Al is made2O3Component；
(2) 0.08g KCl and 0.12g La (NO are weighed3)3It is dissolved in 3ml H2PtCl6(10mg/ml) and 1ml Na2PdCl4In (10mg/ml) solution, it is uniform that 4g Beta molecular sieve powders are then scattered in above-mentioned solution ＆ stir, in room temperature Under static placement 24h, finally dry 24h at 80 DEG C again, be calcined 4h at 450 DEG C, 0.75%Pt0.25%Pd1%K1% is made La/Beta components；
(3) it is 1 by mass ratio obtained above：1 10%Ce/Al2O3Component and 0.75%Pt0.25%Pd1%K1% La/Beta components are mixed by mechanical lapping, and 12h is calcined at 650 DEG C, that is, VOCs catalyst is made.
Embodiment 6
(1) 1g Ce (NO are weighed3)3·6H2O is dissolved in the clear solution that Ce is configured in 9ml deionized waters, then by 4g oxygen Change in the above-mentioned solution of aluminium addition and stir to obtain sticky solid, static placement 24h, finally dries 24h, 450 at 80 DEG C at room temperature 4h is calcined at DEG C, 10%Ce/Al is made2O3Component；
(2) 0.08g KCl and 0.12g La (NO are weighed3)3It is dissolved in 3ml H2PtCl6(10mg/ml) and 1ml Na2PdCl4In (10mg/ml) solution, it is uniform that 4g Y molecular sieve powder is then scattered in above-mentioned solution ＆ stir, at room temperature Static placement 24h, finally dry 24h at 80 DEG C again, be calcined 4h at 450 DEG C, 0.75%Pt0.25%Pd1%K1% is made La/Y components；
(3) it is 1 by mass ratio obtained above：1 10%Ce/Al2O3Component and 0.75%Pt0.25%Pd1%K1% La/Y components are mixed by mechanical lapping, and 12h is calcined at 650 DEG C, that is, VOCs catalyst is made.
Embodiment 7
(1) 1g Ce (NO are weighed3)3·6H2O is dissolved in the clear solution that Ce is configured in 9ml deionized waters, then by 4g oxygen Change in the above-mentioned solution of aluminium addition and stir to obtain sticky solid, static placement 24h, finally dries 24h, 450 at 80 DEG C at room temperature 4h is calcined at DEG C, 10%Ce/Al is made2O3Component；
(2) 0.08g KCl and 0.12g La (NO are weighed3)3It is dissolved in 3ml H2PtCl6(10mg/ml) and 1ml Na2PdCl4In (10mg/ml) solution, it is uniform that 4g SSZ-13 molecular sieve powders are then scattered in above-mentioned solution ＆ stir, in room Static placement 24h under temperature, finally dry 24h at 80 DEG C again, be calcined 4h at 450 DEG C, 0.75%Pt0.25%Pd1% is made K1%La/SSZ-13 components；
(3) it is 1 by mass ratio obtained above：1 10%Ce/Al2O3Component and 0.75%Pt0.25%Pd1%K1% La/SSZ-13 components are mixed by mechanical lapping, and 12h is calcined at 650 DEG C, that is, VOCs catalyst is made.
Embodiment 8
(1) 1g Ce (NO are weighed3)3·6H2O is dissolved in the clear solution that Ce is configured in 9ml deionized waters, then by 4g oxygen Change in the above-mentioned solution of aluminium addition and stir to obtain sticky solid, static placement 24h, finally dries 24h, 450 at 80 DEG C at room temperature 4h is calcined at DEG C, 10%Ce/Al is made2O3Component；
(2) 0.08g KCl, 0.12g La (NO are weighed3)3、3ml H2PtCl6(10mg/ml) and 1ml Na2PdCl4 (10mg/ml) is dissolved in 5ml deionized waters, then by 4g Al2O3It is uniform that powder is scattered in above-mentioned solution ＆ stir, in room temperature Under static placement 24h, finally dry 24h at 80 DEG C again, be calcined 4h at 450 DEG C, 0.75%Pt0.25%Pd1%K1% is made La/Al2O3Component；
(3) by 10%Ce/Al obtained above2O3Component and 0.75%Pt0.25%Pd1%K1%La/Al2O3Component is pressed Mass ratio 1：1 ratio, which adds, obtains pasty solid in 3ml deionized waters, then by being sufficiently mixed after mechanical lapping 30min, Dried at 110 DEG C and and be calcined 12h at 650 DEG C, that is, VOCs catalyst is made.
Embodiment 9
(1) 1g Ce (NO are weighed3)3·6H2O is dissolved in the clear solution that Ce is configured in 9ml deionized waters, then by 4g oxygen Change in the above-mentioned solution of aluminium addition and stir to obtain sticky solid, static placement 24h, finally dries 24h, 450 at 80 DEG C at room temperature 4h is calcined at DEG C, 10%Ce/Al is made2O3Component；
(2) 0.068g NaNO are weighed2With 0.12g La (NO3)3It is dissolved in 3ml H2PtCl6(10mg/ml) and 1ml Na2PdCl4In (10mg/ml) solution, it is uniform that 4g ZSM-5 molecular sieve powder is then scattered in above-mentioned solution ＆ stir, in room Static placement 24h under temperature, finally dry 24h at 80 DEG C again, be calcined 4h at 450 DEG C, 0.75%Pt0.25%Pd1% is made Na1%La/ZSM-5 components；
(3) by obtained 10%Ce/Al2O3Component and 0.75%Pt0.25%Pd1%Na1%La/ZSM-5 components press matter Measure ratio 1：1 ratio is mixed by mechanical lapping, and 12h is calcined at 650 DEG C, that is, VOCs catalyst is made.
Embodiment 10
(1) 1g Ce (NO are weighed3)3·6H2O is dissolved in the clear solution that Ce is configured in 9ml deionized waters, then by 4g oxygen Change in the above-mentioned solution of aluminium addition and stir to obtain sticky solid, static placement 24h, finally dries 24h, 450 at 80 DEG C at room temperature 4h is calcined at DEG C, 10%Ce/Al is made2O3Component；
(2) 0.061g BaCl are weighed2With 0.12g La (NO3)3It is dissolved in 3ml H2PtCl6(10mg/ml) and 1ml Na2PdCl4In (10mg/ml) solution, it is uniform that 4g ZSM-5 molecular sieve powder is then scattered in above-mentioned solution ＆ stir, in room Static placement 24h under temperature, finally dry 24h at 80 DEG C again, be calcined 4h at 450 DEG C, 0.75%Pt0.25%Pd1% is made Ba1%La/ZSM-5 components；
(3) by obtained 10%Ce/Al2O3Component and 0.75%Pt0.25%Pd1%Ba1%La/ZSM-5 components press matter Measure ratio 1：1 ratio is mixed by mechanical lapping, and 12h is calcined at 650 DEG C, that is, VOCs catalyst is made.
Embodiment 11
(1) 1g Ce (NO are weighed3)3·6H2O is dissolved in the clear solution that Ce is configured in 9ml deionized waters, then by 4g oxygen Change in the above-mentioned solution of aluminium addition and stir to obtain sticky solid, static placement 24h, finally dries 24h, 450 at 80 DEG C at room temperature 4h is calcined at DEG C, 10%Ce/Al is made2O3Component；
(2) 0.08g KCl and 0.09g Pr (NO are weighed3)3It is dissolved in 3ml H2PtCl6(10mg/ml) and 1ml Na2PdCl4In (10mg/ml) solution, it is uniform that 4g ZSM-5 molecular sieve powder is then scattered in above-mentioned solution ＆ stir, in room Static placement 24h under temperature, finally dry 24h at 80 DEG C again, be calcined 4h at 450 DEG C, 0.75%Pt0.25%Pd1% is made K1%Pr/ZSM-5 components；
(3) by obtained 10%Ce/Al2O3Component and 0.75%Pt0.25%Pd1%K1%Pr/ZSM-5 components press quality Than 1：1 ratio, which adds, obtains pasty solid, then by being sufficiently mixed after mechanical lapping 30min, 110 DEG C in 3ml deionized waters Lower drying is simultaneously calcined 12h at 650 DEG C, that is, VOCs catalyst is made.
Embodiment 12
(1) 1g Ce (NO are weighed3)3·6H2O is dissolved in the clear solution that Ce is configured in 9ml deionized waters, then by 4g oxygen Change in the above-mentioned solution of aluminium addition and stir to obtain sticky solid, static placement 24h, finally dries 24h, 450 at 80 DEG C at room temperature 4h is calcined at DEG C, 10%Ce/Al is made2O3Component；
(2) 0.08g KCl and 0.12g La (NO are weighed3)3It is dissolved in 3ml H2PtCl6(10mg/ml) and 1ml Na2PdCl4In (10mg/ml) solution, it is uniform that 4g ZSM-5 molecular sieve powder is then scattered in above-mentioned solution ＆ stir, in room Static placement 24h under temperature, finally dry 24h at 80 DEG C again, be calcined 4h at 450 DEG C, 0.75%Pt0.25%Pd1% is made K1%La/ZSM-5 components；
(3) by obtained 10%Ce/Al2O3Component and 0.75%Pt0.25%Pd1%K1%La/ZSM-5 components press quality Than 1：1 ratio is mixed by mechanical lapping, and 12h is calcined at 750 DEG C, that is, VOCs catalyst is made.
Embodiment 13
(1) 1g Ce (NO are weighed3)3·6H2O is dissolved in the clear solution that Ce is configured in 9ml deionized waters, then by 4g oxygen Change in the above-mentioned solution of aluminium addition and stir to obtain sticky solid, static placement 24h, finally dries 24h, 450 at 80 DEG C at room temperature 4h is calcined at DEG C, 10%Ce/Al is made2O3Component；
(2) 0.04g KCl and 0.12g La (NO are weighed3)3It is dissolved in 1.5ml H2PtCl6(10mg/ml) and 0.5ml Na2PdCl4In (10mg/ml) solution, it is uniform that 4g ZSM-5 molecular sieve powder is then scattered in above-mentioned solution ＆ stir, in room Static placement 24h under temperature, finally dry 24h at 80 DEG C again, be calcined 4h at 450 DEG C, 0.375%Pt0.125% is made Pd0.5%K1%La/ZSM-5 components；
(3) by obtained 10%Ce/Al2O3Component and 0.375%Pt0.125%Pd0.5%K1%La/ZSM-5 components are pressed Mass ratio 1：1 ratio, which adds, obtains pasty solid in 3ml deionized waters, then by being sufficiently mixed after mechanical lapping 30min, and 12h is calcined at 650 DEG C, that is, VOCs catalyst is made.
Embodiment 14
(1) 1g Ce (NO are weighed3)3·6H2O is dissolved in the clear solution that Ce is configured in 9ml deionized waters, then by 4g oxygen Change in the above-mentioned solution of aluminium addition and stir to obtain sticky solid, static placement 24h, finally dries 24h, 450 at 80 DEG C at room temperature 4h is calcined at DEG C, 10%Ce/Al is made2O3Component；
(2) 0.08g KCl and 0.12g La (NO are weighed3)3It is dissolved in 3ml H2PtCl6(10mg/ml) and 1ml Na2PdCl4In (10mg/ml) solution, it is uniform that 4g ZSM-5 molecular sieve powder is then scattered in above-mentioned solution ＆ stir, in room Static placement 24h under temperature, finally dry 24h at 80 DEG C again, be calcined 4h at 450 DEG C, 0.75%Pt0.25%Pd1% is made K1%La/ZSM-5 components；
(3) by obtained 10%Ce/Al2O3Component and 0.75%Pt0.25%Pd1%K1%La/ZSM-5 components press quality Than 2：1 ratio is mixed by mechanical lapping, and 12h is calcined at 650 DEG C, that is, VOCs catalyst is made.
Embodiment 15
(1) 4.76 grams of zirconium carbonates, 2.44 grams of cerous carbonates, 0.245 gram of praseodymium oxide and 0.245 gram of rubidium oxide is weighed to add In 150ml deionized waters, 5ml nitric acid and 3ml hydrogen peroxide are added into above-mentioned suspension, the stirring and dissolving under 40 degree；Then by 4g Aluminum oxide adds in above-mentioned 8.7ml solution and stirs to obtain sticky solid, at room temperature static placement 24h, is finally dried at 80 DEG C 24h, 4h is calcined at 450 DEG C, 50%CeZrPrNd/Al is made2O3Component；
(2) 0.04g KCl and 0.12g La (NO are weighed3)3It is dissolved in 1.5ml H2PtCl6(10mg/ml) and 0.5ml Na2PdCl4In (10mg/ml) solution, it is uniform that 4g ZSM-5 molecular sieve powder is then scattered in above-mentioned solution ＆ stir, in room Static placement 24h under temperature, finally dry 24h at 80 DEG C again, be calcined 4h at 450 DEG C, 0.375%Pt0.125% is made Pd0.5%K1%La/ZSM-5 components；
(3) by obtained 50%CeZrPrNd/Al2O3Component and 0.375%Pt0.125%Pd0.5%K1%La/ZSM-5 Component in mass ratio 1：1 ratio, which adds, obtains pasty solid in 3ml deionized waters, then by abundant after mechanical lapping 30min Mixing, and 12h is calcined at 650 DEG C, that is, VOCs catalyst is made.
Catalyst activity evaluation is carried out in normal pressure microreactor, by micro-injection pump by benzene,toluene,xylene (three's volume ratio is 1 to mixture：1：1) vaporizer vaporization is injected, total concentration control is 1000ppm, and reaction gas is air, flow velocity For 100ml/min, catalyst amount 100mg.VOCs concentration uses gas-chromatography (FID) on-line analysis before and after reaction, urges Activity (the T of agent50, corresponding reaction temperature when conversion ratio is 50%；T99, corresponding reaction temperature when conversion ratio is 99%) It is shown in Table 1.
The reactivity worth of the catalyst of table 1
Embodiment 16
(1) 1g Ce (NO are weighed3)3·6H2O is dissolved in the clear solution that Ce is configured in 9ml deionized waters, then by 4g oxygen Change in the above-mentioned solution of aluminium addition and stir to obtain sticky solid, static placement 24h, finally dries 24h, 450 at 80 DEG C at room temperature 4h is calcined at DEG C, 10%Ce/Al is made2O3Component；
(2) 0.04g KCl and 0.12g La (NO are weighed3)3It is dissolved in 0.5ml H2PtCl6(10mg/ml) and 1.5ml Na2PdCl4In (10mg/ml) solution, it is uniform that 4g ZSM-5 molecular sieve powder is then scattered in above-mentioned solution ＆ stir, in room Static placement 24h under temperature, finally dry 24h at 80 DEG C again, be calcined 4h at 450 DEG C, 0.125%Pt0.375% is made Pd0.5%K1%La/ZSM-5 components；
(3) by obtained 10%Ce/Al2O3Component and 0.125%Pt0.375%Pd0.5%K1%La/ZSM-5 components are pressed Mass ratio 1：1 ratio, which adds, obtains pasty solid in 3ml deionized waters, then by being sufficiently mixed after mechanical lapping 30min, and 4h is calcined at 450 DEG C, that is, VOCs catalyst is made.
The catalysis that the catalyst that embodiment 13 and 16 is obtained is used for acetic acid, acrylic acid, phthalic anhydride, cis-butenedioic anhydride is burnt.Its activity Evaluation is carried out in normal pressure microreactor, by micro-injection pump by the mixed solution of acetic acid and acrylic acid (acetic acid and propylene The mass ratio of acid is 2：3) to inject vaporizer vaporization or phthalic anhydride, cis-butenedioic anhydride are directly heated into vaporization, total concentration control is 2000ppm, Reaction gas is air, flow velocity 100ml/min, catalyst amount 100mg.VOCs concentration uses gas-chromatography before and after reaction (FID) on-line analysis, the activity (T of catalyst50, corresponding reaction temperature when conversion ratio is 50%；T99, when conversion ratio is 99% Corresponding reaction temperature) it is shown in Table 2.
The embodiment 13 of table 2, the reactivity worth of 16 catalyst
Embodiment 17
(1) 1g Ce (NO are weighed3)3·6H2O is dissolved in the clear solution that Ce is configured in 9ml deionized waters, then by 4g oxygen Change in the above-mentioned solution of aluminium addition and stir to obtain sticky solid, static placement 24h, finally dries 24h, 450 at 80 DEG C at room temperature 4h is calcined at DEG C, 10%Ce/Al is made2O3Component；
(2) 0.04g KCl and 0.12g La (NO are weighed3)3It is dissolved in 1.5ml RuCl3(10mg/ml) and 0.5ml Na2PdCl4In (10mg/ml) solution, it is uniform that 4g ZSM-5 molecular sieve powder is then scattered in above-mentioned solution ＆ stir, in room Static placement 24h under temperature, finally dry 24h at 80 DEG C again, be calcined 4h at 450 DEG C, 0.375%Ru0.125% is made Pd0.5%K1%La/ZSM-5 components；
(3) by obtained 10%Ce/Al2O3Component and 0.375%Ru0.125%Pd0.5%K1%La/ZSM-5 components are pressed Mass ratio 1：1 ratio, which adds, obtains pasty solid in 3ml deionized waters, then by being sufficiently mixed after mechanical lapping 30min, and 12h is calcined at 550 DEG C, that is, VOCs catalyst is made.
Catalyst is used for the activity rating of chloride volatile organic matter (CVOCs) catalysis burning in normal pressure microreactor Carry out, dichloroethanes or chlorobenzene are injected into vaporizer by micro-injection pump vaporizes, and total concentration control is 1000ppm, reaction gas For air, flow velocity 100ml/min, catalyst amount 100mg.CVOCs concentration uses gas-chromatography (FID) before and after reaction On-line analysis, the T of catalyst99(corresponding reaction temperature when conversion ratio is 99%) is 300 DEG C (dichloroethanes) and 275 DEG C of (chlorine Benzene).
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It is appreciated that other embodiment.

Claims (10)

1. a kind of catalyst for catalytic purification VOC, it is characterised in that be catalyzed by support type base metal Agent is calcined at 350-1000 DEG C after being mixed with loaded noble metal catalyst and is made, and wherein support type base metal catalysts are by carrying Body and the base metal composition being carried on carrier, loaded noble metal catalyst by carrier and the noble metal being carried on carrier and Auxiliary agent forms.
2. the catalyst according to claim 1 for catalytic purification VOC, it is characterised in that low-priced gold Category includes the one or more in transition metal and rare earth metal, and transition metal includes：Cr, Mn, Fe, Co, Ni, Zn, Cu, rare earth Metal includes：Y、La、Ce、Pr、Nd、Sm.
3. the catalyst according to claim 1 for catalytic purification VOC, it is characterised in that your gold Category includes the one or more in Pt, Pd, Ru, Ag, Au, Rh and Ir.
4. the catalyst according to claim 1 for catalytic purification VOC, it is characterised in that carrier Including the one or more in oxide-based carrier and molecular sieve carrier, oxide-based carrier includes Al2O3、SiO2、TiO2、 ZrO2And its their composite oxides, molecular sieve carrier include X, Y, M, A, CHA, MFI, Beta, phosphate aluminium molecular sieve.
5. the catalyst according to claim 1 for catalytic purification VOC, it is characterised in that auxiliary agent Including the one or more in alkali metal, alkaline-earth metal, rare earth metal.
6. the catalyst according to claim 1 for catalytic purification VOC, it is characterised in that load In type base metal catalysts, base metal mass content is 0.1wt%-50wt%.
7. the catalyst according to claim 1 for catalytic purification VOC, it is characterised in that load In type noble metal catalyst, noble metal mass content is 0.01wt%-50wt%.
8. the catalyst according to claim 1 for catalytic purification VOC, it is characterised in that load In type noble metal catalyst, auxiliary agent mass content is 0.01wt%-20wt%.
9. the catalyst according to claim 1 for catalytic purification VOC, it is characterised in that load The mass ratio of type base metal catalysts and loaded noble metal catalyst is 1:99~99:1.
A kind of 10. preparation of catalyst for catalytic purification VOC as described in claim 1-9 is any Method, it is characterised in that comprise the following steps：
(1) support type base metal catalysts and loaded noble metal catalyst are made respectively, obtained support type base metal is urged Agent is directly carried out in next step with loaded noble metal catalyst, or is handled and carried out down again by dry and baking modes One step；
(2) support type base metal catalysts and loaded noble metal catalyst are sufficiently mixed uniformly, then at 350-1000 DEG C Roasting is made.
CN201710657365.5A 2017-08-03 2017-08-03 A kind of catalyst and preparation method for catalytic purification VOC Pending CN107398295A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710657365.5A CN107398295A (en) 2017-08-03 2017-08-03 A kind of catalyst and preparation method for catalytic purification VOC

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710657365.5A CN107398295A (en) 2017-08-03 2017-08-03 A kind of catalyst and preparation method for catalytic purification VOC

Publications (1)

Publication Number Publication Date
CN107398295A true CN107398295A (en) 2017-11-28

Family

ID=60402716

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710657365.5A Pending CN107398295A (en) 2017-08-03 2017-08-03 A kind of catalyst and preparation method for catalytic purification VOC

Country Status (1)

Country Link
CN (1) CN107398295A (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107930637A (en) * 2017-12-05 2018-04-20 内蒙古科技大学 A kind of high entropy solid solution catalyst of rare-earth-based iron content and preparation method thereof
CN107952366A (en) * 2017-12-08 2018-04-24 上海科仁实业有限公司 More bed catalyst reactors and application thereof
CN108126710A (en) * 2017-12-26 2018-06-08 河北旭阳焦化有限公司 A kind of sulfur resistive removes the preparation and application of naphthalene catalyst
CN109304172A (en) * 2017-11-16 2019-02-05 中国石油化工股份有限公司 A kind of high dispersing microporous/mesoporous Ag-Al catalyst, preparation method and applications
CN110327968A (en) * 2019-08-08 2019-10-15 广东恒峰蓝环境工程有限公司 A kind of catalyst and preparation method thereof of purifying volatile organic matter
CN111822042A (en) * 2020-05-12 2020-10-27 上海麦越环境技术有限公司 Composite metal catalyst for online hydrocarbon removal instrument and preparation method thereof
CN111841625A (en) * 2020-08-20 2020-10-30 江苏博霖环保科技有限公司 Preparation method of catalyst for treating VOCs (volatile organic compounds) by using fiber composite molecular sieve membrane
CN112007688A (en) * 2020-08-10 2020-12-01 武汉大学 Ruthenium catalyst for low-temperature catalytic oxidation of volatile organic pollutants, and preparation method and application thereof
CN112169787A (en) * 2019-07-04 2021-01-05 重庆鲍斯净化设备科技有限公司 Catalyst for removing hydrocarbon substances by low-temperature combustion and preparation method thereof
CN113145161A (en) * 2020-12-31 2021-07-23 南京大学 Catalyst for catalytic oxidation of volatile organic compounds by ozone and preparation method thereof
CN115624973A (en) * 2022-09-20 2023-01-20 中国船舶重工集团公司第七一八研究所 Sulfur poisoning resistant monolithic catalyst and preparation method and application thereof
WO2023036822A1 (en) 2021-09-13 2023-03-16 Shell Internationale Research Maatschappij B.V. Catalyst composition, its preparation and use
CN116174016A (en) * 2023-03-01 2023-05-30 浙江天地环保科技股份有限公司 Propane catalytic combustion platinum-based catalyst and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105289650A (en) * 2015-10-09 2016-02-03 江苏常青树新材料科技有限公司 Preparation method of catalyst used for carrying out catalytic combustion on volatile organic compound containing low-concentration methane
CN105709737A (en) * 2014-12-01 2016-06-29 抚顺环科石油化工技术开发有限公司 Catalytic wet oxidation catalyst and preparation method thereof
CN105964255A (en) * 2016-06-24 2016-09-28 浙江恒荣环保科技有限公司 Preparation method of high-sulfur-resistance catalytic combustion catalyst
CN106378132A (en) * 2016-09-07 2017-02-08 武汉科林精细化工有限公司 Organic waste gas purification catalyst and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105709737A (en) * 2014-12-01 2016-06-29 抚顺环科石油化工技术开发有限公司 Catalytic wet oxidation catalyst and preparation method thereof
CN105289650A (en) * 2015-10-09 2016-02-03 江苏常青树新材料科技有限公司 Preparation method of catalyst used for carrying out catalytic combustion on volatile organic compound containing low-concentration methane
CN105964255A (en) * 2016-06-24 2016-09-28 浙江恒荣环保科技有限公司 Preparation method of high-sulfur-resistance catalytic combustion catalyst
CN106378132A (en) * 2016-09-07 2017-02-08 武汉科林精细化工有限公司 Organic waste gas purification catalyst and preparation method thereof

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109304172A (en) * 2017-11-16 2019-02-05 中国石油化工股份有限公司 A kind of high dispersing microporous/mesoporous Ag-Al catalyst, preparation method and applications
CN107930637A (en) * 2017-12-05 2018-04-20 内蒙古科技大学 A kind of high entropy solid solution catalyst of rare-earth-based iron content and preparation method thereof
CN107952366A (en) * 2017-12-08 2018-04-24 上海科仁实业有限公司 More bed catalyst reactors and application thereof
CN108126710A (en) * 2017-12-26 2018-06-08 河北旭阳焦化有限公司 A kind of sulfur resistive removes the preparation and application of naphthalene catalyst
CN112169787A (en) * 2019-07-04 2021-01-05 重庆鲍斯净化设备科技有限公司 Catalyst for removing hydrocarbon substances by low-temperature combustion and preparation method thereof
CN110327968B (en) * 2019-08-08 2022-08-12 广东恒峰蓝环境工程有限公司 Preparation method of catalyst for purifying volatile organic compounds
CN110327968A (en) * 2019-08-08 2019-10-15 广东恒峰蓝环境工程有限公司 A kind of catalyst and preparation method thereof of purifying volatile organic matter
CN111822042A (en) * 2020-05-12 2020-10-27 上海麦越环境技术有限公司 Composite metal catalyst for online hydrocarbon removal instrument and preparation method thereof
CN111822042B (en) * 2020-05-12 2023-04-18 上海麦越环境技术有限公司 Composite metal catalyst for online hydrocarbon removal instrument and preparation method thereof
CN112007688A (en) * 2020-08-10 2020-12-01 武汉大学 Ruthenium catalyst for low-temperature catalytic oxidation of volatile organic pollutants, and preparation method and application thereof
CN111841625A (en) * 2020-08-20 2020-10-30 江苏博霖环保科技有限公司 Preparation method of catalyst for treating VOCs (volatile organic compounds) by using fiber composite molecular sieve membrane
CN113145161A (en) * 2020-12-31 2021-07-23 南京大学 Catalyst for catalytic oxidation of volatile organic compounds by ozone and preparation method thereof
WO2023036822A1 (en) 2021-09-13 2023-03-16 Shell Internationale Research Maatschappij B.V. Catalyst composition, its preparation and use
CN115624973A (en) * 2022-09-20 2023-01-20 中国船舶重工集团公司第七一八研究所 Sulfur poisoning resistant monolithic catalyst and preparation method and application thereof
CN116174016A (en) * 2023-03-01 2023-05-30 浙江天地环保科技股份有限公司 Propane catalytic combustion platinum-based catalyst and preparation method thereof

Similar Documents

Publication Publication Date Title
CN107398295A (en) A kind of catalyst and preparation method for catalytic purification VOC
CN102247867B (en) Catalytic oxidation catalyst for methyl acetate in organic waste gas and preparation method thereof
TWI776842B (en) Low cost oxidation catalysts for voc and halogenated voc emission control
CN104759202B (en) A kind of removing regeneration fume from catalytic cracking pollutant auxiliary agent and preparation method thereof
CN103157491B (en) One is used for being catalyzed voloxidation organic mesopore metal oxide loaded palladium catalyst
CN103071489A (en) Supported active carbon catalytic material capable of eliminating formaldehyde at room temperature and preparation method thereof
CN101664679A (en) Coal bed gas deoxidation catalyst as well as preparation method and application thereof
CN104174425B (en) It is a kind of for catalyst of volatile organic matter catalysis oxidation and preparation method thereof
CN102755912A (en) Ceramic honeycombed catalyst capable of purifying organic waste gas and preparation method thereof
CN105289651A (en) Bimetallic catalyst for catalytic oxidation of VOCs and preparation method and application of bimetallic catalyst
CN108479762A (en) A kind of manganese oxide catalyst and its preparation method and application
CN101927162B (en) Aluminum-manganese-pillared montmorillonite load catalyst for eliminating benzene series at low temperature as well as preparation and application thereof
CN109701524A (en) Remove the catalyst and preparation method thereof of nitrogen oxides
CN105148907A (en) 1, 2-dichloroethane selective hydrodechlorination reaction catalyst and preparation method and application thereof
Imanaka et al. Environmental catalysts for complete oxidation of volatile organic compounds and methane
CN105817229A (en) Rare earth element modified load type cobaltosic oxide catalyst and preparation method thereof
CN104998652B (en) Reduce catalyst aid of FCC flue gas DS NOx Est amounts and preparation method thereof
CN108126685A (en) Two-part catalyst of catalytic degradation VOCs containing chlorine and its preparation method and application
CN104209129B (en) One is used for reducing NO in FCC flue gasxthe catalyst of content and application
CN102553585B (en) Sulfur-tolerant catalyst for gas deoxidation as well as preparation method and application thereof
CN111111656A (en) High-temperature-resistant catalytic combustion catalyst for normal-temperature catalytic ignition of VOCs self-sustaining combustion and preparation method and application thereof
CN111054374A (en) Catalytic combustion catalyst for PTA oxidized tail gas and application thereof
CN111151241A (en) Integral honeycomb coating catalyst and preparation method and application thereof
KR20010037883A (en) A process for preparing honeycomb type monolithic catalyst
CN105013477B (en) A kind of catalysis oxidation VOCs mixed phase titanium dioxide loaded ruthenium catalyst, preparation method and its usage

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: 20171128

RJ01 Rejection of invention patent application after publication