CN107377004A - A kind of baking finish for car paint house catalyst for treating waste gas - Google Patents
A kind of baking finish for car paint house catalyst for treating waste gas Download PDFInfo
- Publication number
- CN107377004A CN107377004A CN201710628193.9A CN201710628193A CN107377004A CN 107377004 A CN107377004 A CN 107377004A CN 201710628193 A CN201710628193 A CN 201710628193A CN 107377004 A CN107377004 A CN 107377004A
- Authority
- CN
- China
- Prior art keywords
- catalyst
- carrier
- porphyrin
- waste gas
- titanium dioxide
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- 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.)
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- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
- B01J31/38—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of titanium, zirconium or hafnium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
- B01J31/0235—Nitrogen containing compounds
- B01J31/0244—Nitrogen containing compounds with nitrogen contained as ring member in aromatic compounds or moieties, e.g. pyridine
Abstract
The invention discloses a kind of baking finish for car paint house catalyst for treating waste gas, the catalyst makes catalyst carrier by oneself using titanium dioxide/porphyrin as active component, and on the basis of the quality of carrier, the weight/mass percentage composition of activity component load quantity is 1~20%.The active component is to be allocated using titanium dioxide, porphyrin mol ratio as 1~4: 1~4, is formed using titanium dioxide, porphyrin as active component.The self-control carrier is using silica as constituent, is formed through high-temperature roasting, then preferable to support modification, carrier complete crystal form, stability with the acid treatment that mass percent is 5~20%.Catalyst produced by the present invention does not use noble metal, prepares such catalyst using infusion process, preparation technology is more simple, easy to operate, and cost is cheap, is easy to enlarged reproduction.
Description
Technical field
The present invention relates to a kind of catalyst for treating waste gas, more particularly to a kind of baking finish for car paint house exhaust-gas treatment catalysis
Agent.
Background technology
Paint waste gas can enter the system such as human body, the breathing given people, blood, liver by respiratory tract and skin and organ is made
Into temporary and permanent lesion.Such as：Benzene,toluene,xylene, methyl acetate etc., its index exceedes discharging standards, right
Environment causes to seriously endanger.To prevent from polluting, except reduction oil loss, consumption of organic solvent is reduced to reduce the production of organic exhaust gas
Raw and discharge is outer, and exhaust gas purification is current practicable governance way.The processing to organic exhaust gas is generally divided into back both at home and abroad
Receipts technology and destruction technology.Recovery technology mainly has absorption, absorption, condensation and UF membrane etc., and CN101474566A is disclosed
One kind coats γ-Al2O3 as carrier using copper/manganese/silver-colored composite oxides as active component, using cordierite surface, and processing one kind has
Machine waste gas, in the complete catalysis that 275 DEG C are realized to toluene, but this kind of catalyst addition mass fraction is 5~15% silver oxides, into
This costly, and copper/manganese/titanium catalyst used in this experiment can be in 250 DEG C of complete catalysis to toluene of realizations, ignition temperature
Degree is lower, and price is more cheap, wide using advancing.
The content of the invention
It is an object of the invention to provide a kind of baking finish for car paint house catalyst for treating waste gas, the catalyst efficiency
Height, the complete catalysis to aromatic hydrocarbon organic solvent can be achieved, and self-control carrier is carried on by active component of titanium dioxide/porphyrin
On, cost is more cheap.
It is a further object to provide the preparation method of above-mentioned catalyst.
A kind of baking finish for car paint house catalyst for treating waste gas of the present invention is to take following technical scheme to realize：
A kind of baking finish for car paint house catalyst for treating waste gas, the catalyst using titanium dioxide/porphyrin as active component,
Make catalyst carrier by oneself, on the basis of the quality of carrier, the weight/mass percentage composition of activity component load quantity is 1~20%.
The active component is to be allocated using titanium dioxide, porphyrin mol ratio as 1~4: 1~4, is formed with titanium dioxide
Titanium, porphyrin are active component.
It is described self-control carrier be using silica as constituent, formed through high-temperature roasting, then with mass percent be 5~
20% acid treatment is preferable to support modification, carrier complete crystal form, stability.
The mass percent is that 5~20% acid select oxalic acid or acetic acid.
Present invention also offers the preparation method of above-mentioned catalyst, and it is comprised the following steps that：
(1) preparation and processing of carrier are made by oneself
Catalyst carrier is made through 1300~1400 DEG C of high-temperature roastings in silica, is incubated 4~6h, and use mass percent
Boiled for 5~20% oxalic acid or acetic acid, it is 2~3h to boil processing time, then through 80~120 DEG C of temperature, the time is the dry of 1~2h
It is dry, it is calcined after drying, is roasted to 400~600 DEG C of temperature, the time is 4~6h, and modified support is obtained by roasting.
(2) preparation of activity component impregnation liquid
Titanium dioxide and porphyrin are dissolved in ethanol solution according to above-mentioned mass ratio.
(3) load of active component
Modified support in step (1) is immersed in the solution of step (2) preparation, dip time is 4~8h, then true
30~50 DEG C in empty drying box, 1~4h drying, then through 300~650 DEG C, 2~5h roasting, or repeated impregnations, drying and
Roasting makes titanium dioxide, the weight/mass percentage composition of load capacity of porphyrin is 1~20% to prepare the catalyst of certain negative carrying capacity,
Paint catalyst for treating waste gas is made.
Beneficial effects of the present invention：
Catalyst produced by the present invention does not use noble metal, prepares such catalyst using infusion process, preparation technology is more
Simply, easy to operate, cost is cheap, is easy to enlarged reproduction.
Catalyst initial temperature produced by the present invention is low, efficient, active temperature windows wider (150 DEG C~1000
℃)。
Catalyst produced by the present invention has good stability through 48h stability tests；Produce during the course of the reaction simultaneously a large amount of
In the case of vapor, catalyst still keeps very high catalytic activity, and vapour resistant ability is strong；And the catalyst environmental protection nothing
Poison.
Embodiment
Embodiment 1
(1) preparation and processing of carrier are made by oneself
Catalyst carrier is made through 1300 DEG C of high-temperature roastings in silica, is incubated 5h, and is 10% grass with mass percent
Acid boils, and it is 2h to boil processing time, then through 90 DEG C of temperature, the time is 2h drying, is calcined after drying, is roasted to temperature
600 DEG C, time 6h, modified support is obtained by roasting.
(2) preparation of activity component impregnation liquid
By titanium dioxide and porphyrin according to above-mentioned mass ratio 1:1 is dissolved in ethanol solution.
(3) load of active component
Modified support in step (1) is immersed in the solution of step (2) preparation, dip time is 4~8h, then true
30 DEG C in empty drying box, 4h drying, then through 450 DEG C, 3h roasting, or repeated impregnations, drying and roasting are specific to prepare
The catalyst of load capacity, the weight/mass percentage composition for making the load capacity of cupric oxide, manganese oxide and titanium oxide is 12%, that is, paint is made
Catalyst for treating waste gas.
(4) catalyst performance evaluation
By the evaluation method for implementing 1, the catalyst is 96% in 230 DEG C of catalytic efficiencies to toluene.
Embodiment 2
(1) preparation and processing of carrier are made by oneself
Catalyst carrier is made through 1350 DEG C of high-temperature roastings in silica, is incubated 5h, and is 15% grass with mass percent
Acid or acetic acid boil, and it is 2h to boil processing time, then through 100 DEG C of temperature, the time is 2h drying, is calcined after drying, and is roasted
Burn for 600 DEG C, time 6h of temperature, modified support is obtained by roasting.
(2) preparation of activity component impregnation liquid
By titanium dioxide and porphyrin according to above-mentioned mass ratio 1:2 are dissolved in ethanol solution.
(3) load of active component
Modified support in step (1) is immersed in the solution of step (2) preparation, dip time 8h, then in vacuum
30 DEG C in drying box, 2h drying, then through 600 DEG C, 5h roasting, or repeated impregnations, drying and roasting are to prepare certain negative
The catalyst of carrying capacity, make titanium dioxide, porphyrin load capacity weight/mass percentage composition be 5%, that is, be made paint exhaust-gas treatment urge
Agent.
(4) catalyst performance evaluation
By implement 2 evaluation method, the catalyst 230 DEG C of catalytic efficiencies to toluene be 100%, and 250 DEG C~
In the range of 500 DEG C, catalyst stability keeps good.
Embodiment 3
(1) preparation and processing of carrier are made by oneself
Catalyst carrier is made through 1300 DEG C of high-temperature roastings in silica, is incubated 6h, and is 20% grass with mass percent
Acid or acetic acid boil, and it is 2h to boil processing time, then through 120 DEG C of temperature, the time is 2h drying, is calcined after drying, and is roasted
Burn for 450 DEG C, time 5h of temperature, modified support is obtained by roasting.
(2) preparation of activity component impregnation liquid
By titanium dioxide and porphyrin according to above-mentioned mass ratio 1:1 is dissolved in ethanol solution.
(3) load of active component
Modified support in step (1) is immersed in the solution of step (2) preparation, dip time 8h, then in vacuum
30 DEG C in drying box, 1h drying, then through 650 DEG C, 2h roasting, or repeated impregnations, drying and roasting are to prepare certain negative
The catalyst of carrying capacity, make titanium dioxide, porphyrin load capacity weight/mass percentage composition be 7%, that is, be made paint exhaust-gas treatment urge
Agent.
(4) catalyst performance evaluation
By the evaluation method for implementing 3, the catalyst is 95% in 250 DEG C of catalytic efficiencies to toluene.
Embodiment 4
(1) preparation and processing of carrier are made by oneself
Catalyst carrier is made through 1300 DEG C of high-temperature roastings in silica, is incubated 4h, and be 5% oxalic acid with mass percent
Or acetic acid boils, it is 2h to boil processing time, then through 80 DEG C of temperature, the time is 1h drying, is calcined, is roasted to after drying
400 DEG C, time 4h of temperature, modified support is obtained by roasting.
(2) preparation of activity component impregnation liquid
By titanium dioxide and porphyrin according to above-mentioned quality 1:1 ratio is dissolved in ethanol solution.
(3) load of active component
Modified support in step (1) is immersed in the solution of step (2) preparation, dip time 4h, then in vacuum
50 DEG C in drying box, 1h drying, then through 300 DEG C, 5h roasting, or repeated impregnations, drying and roasting are to prepare certain negative
The catalyst of carrying capacity, make titanium dioxide, porphyrin load capacity weight/mass percentage composition be 13%, that is, be made paint exhaust-gas treatment urge
Agent.
(4) catalyst performance evaluation
By the evaluation method for implementing 4, the catalyst is 96% in 250 DEG C of catalytic efficiencies to toluene.
Claims (5)
- A kind of 1. baking finish for car paint house catalyst for treating waste gas, it is characterised in that the catalyst using titanium dioxide/porphyrin as Active component, make catalyst carrier by oneself, on the basis of the quality of carrier, the weight/mass percentage composition of activity component load quantity for 1~ 20%.
- A kind of 2. baking finish for car paint house catalyst for treating waste gas according to claim 1, it is characterised in that the activity Component is to be allocated using titanium dioxide, porphyrin mol ratio as 1~4: 1~4, is formed using titanium dioxide, porphyrin as active component.
- A kind of 3. baking finish for car paint house catalyst for treating waste gas according to claim 1, it is characterised in that the self-control Carrier is using silica as constituent, is formed through high-temperature roasting, then with the acid treatment that mass percent is 5~20% to carrier It is modified, carrier complete crystal form, stability is preferable.
- A kind of 4. baking finish for car paint house catalyst for treating waste gas according to claim 3, it is characterised in that the quality Percentage is that 5~20% acid select oxalic acid or acetic acid.
- A kind of 5. preparation method of baking finish for car paint house catalyst for treating waste gas described in claim 1-4, it is characterised in that The preparation method comprises the following steps that：(1) preparation and processing of carrier are made by oneselfCatalyst carrier is made through 1300~1400 DEG C of high-temperature roastings in silica, is incubated 4~6h, and is 5 with mass percent ~20% oxalic acid or acetic acid boil, and it is 2~3h to boil processing time, then through 80~120 DEG C of temperature, the time is 1~2h drying, It is calcined after drying, is roasted to 400~600 DEG C of temperature, the time is 4~6h, and modified support is obtained by roasting.(2) preparation of activity component impregnation liquidTitanium dioxide and porphyrin are dissolved in ethanol solution according to above-mentioned mass ratio.(3) load of active componentModified support in step (1) is immersed in the solution of step (2) preparation, dip time is 4~8h, is then done in vacuum 30~50 DEG C in dry case, 1~4h drying, then through 300~650 DEG C, 2~5h roasting, or repeated impregnations, drying and roasting To prepare the catalyst of certain negative carrying capacity, make titanium dioxide, porphyrin load capacity weight/mass percentage composition be 1~20%, that is, make Into paint catalyst for treating waste gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710628193.9A CN107377004A (en) | 2017-07-28 | 2017-07-28 | A kind of baking finish for car paint house catalyst for treating waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710628193.9A CN107377004A (en) | 2017-07-28 | 2017-07-28 | A kind of baking finish for car paint house catalyst for treating waste gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107377004A true CN107377004A (en) | 2017-11-24 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710628193.9A Pending CN107377004A (en) | 2017-07-28 | 2017-07-28 | A kind of baking finish for car paint house catalyst for treating waste gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550523A (en) * | 2018-11-19 | 2019-04-02 | 宁夏医科大学 | A kind of hydrocarbon trap catalyst |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60187322A (en) * | 1984-03-06 | 1985-09-24 | Toyota Central Res & Dev Lab Inc | Purifying method of waste |
| CN101195094A (en) * | 2007-12-24 | 2008-06-11 | 吉林大学 | Visible light activated titanium dioxide porphyrin nano composite catalyst and method for producing the same |
| CN101733127A (en) * | 2009-11-27 | 2010-06-16 | 南京工业大学 | Catalyst for treating organic waste gas and preparation method thereof |
| CN102240557A (en) * | 2011-05-12 | 2011-11-16 | 南京工业大学 | Catalyst containing nickel-iron-manganese compound oxide for processing industrial waste gas and preparation method thereof |
| CN102513123A (en) * | 2011-11-17 | 2012-06-27 | 南京工业大学 | Rare-earth perovskite type catalyst for treating industrial waste gas as well as preparation method and application thereof |
| CN102941088A (en) * | 2012-10-30 | 2013-02-27 | 山东天璨环保科技股份有限公司 | Catalyst for concurrently removing CO, CH, NOx and PM, and preparation method thereof |
| CN106000474A (en) * | 2016-06-07 | 2016-10-12 | 河南大学 | Preparation method and application of porphyrin/titanium dioxide uniformly co-assembled nanosphere |
-
2017
- 2017-07-28 CN CN201710628193.9A patent/CN107377004A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60187322A (en) * | 1984-03-06 | 1985-09-24 | Toyota Central Res & Dev Lab Inc | Purifying method of waste |
| CN101195094A (en) * | 2007-12-24 | 2008-06-11 | 吉林大学 | Visible light activated titanium dioxide porphyrin nano composite catalyst and method for producing the same |
| CN101733127A (en) * | 2009-11-27 | 2010-06-16 | 南京工业大学 | Catalyst for treating organic waste gas and preparation method thereof |
| CN102240557A (en) * | 2011-05-12 | 2011-11-16 | 南京工业大学 | Catalyst containing nickel-iron-manganese compound oxide for processing industrial waste gas and preparation method thereof |
| CN102513123A (en) * | 2011-11-17 | 2012-06-27 | 南京工业大学 | Rare-earth perovskite type catalyst for treating industrial waste gas as well as preparation method and application thereof |
| CN102941088A (en) * | 2012-10-30 | 2013-02-27 | 山东天璨环保科技股份有限公司 | Catalyst for concurrently removing CO, CH, NOx and PM, and preparation method thereof |
| CN106000474A (en) * | 2016-06-07 | 2016-10-12 | 河南大学 | Preparation method and application of porphyrin/titanium dioxide uniformly co-assembled nanosphere |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550523A (en) * | 2018-11-19 | 2019-04-02 | 宁夏医科大学 | A kind of hydrocarbon trap catalyst |
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Application publication date: 20171124 |
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