CN107998875A - A kind of method using flower-shaped lanthanum oxide catalyst PARA FORMALDEHYDE PRILLS(91,95) catalysis oxidation - Google Patents
A kind of method using flower-shaped lanthanum oxide catalyst PARA FORMALDEHYDE PRILLS(91,95) catalysis oxidation Download PDFInfo
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- CN107998875A CN107998875A CN201711146322.7A CN201711146322A CN107998875A CN 107998875 A CN107998875 A CN 107998875A CN 201711146322 A CN201711146322 A CN 201711146322A CN 107998875 A CN107998875 A CN 107998875A
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- lanthanum oxide
- formaldehyde
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 76
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 239000003054 catalyst Substances 0.000 title claims abstract description 37
- 230000003647 oxidation Effects 0.000 title claims abstract description 29
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 23
- 229930040373 Paraformaldehyde Natural products 0.000 title claims abstract description 16
- 238000006555 catalytic reaction Methods 0.000 title claims abstract description 16
- 229920002866 paraformaldehyde Polymers 0.000 title claims abstract description 16
- 230000003197 catalytic effect Effects 0.000 claims abstract description 16
- 238000005984 hydrogenation reaction Methods 0.000 claims abstract description 6
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 30
- 229910052746 lanthanum Inorganic materials 0.000 claims description 12
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 12
- 239000013110 organic ligand Substances 0.000 claims description 10
- QMKYBPDZANOJGF-UHFFFAOYSA-N benzene-1,3,5-tricarboxylic acid Chemical compound OC(=O)C1=CC(C(O)=O)=CC(C(O)=O)=C1 QMKYBPDZANOJGF-UHFFFAOYSA-N 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 5
- 239000013049 sediment Substances 0.000 claims description 5
- FYDKNKUEBJQCCN-UHFFFAOYSA-N lanthanum(3+);trinitrate Chemical group [La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FYDKNKUEBJQCCN-UHFFFAOYSA-N 0.000 claims description 4
- ICAKDTKJOYSXGC-UHFFFAOYSA-K lanthanum(iii) chloride Chemical compound Cl[La](Cl)Cl ICAKDTKJOYSXGC-UHFFFAOYSA-K 0.000 claims description 3
- RGCHNYAILFZUPL-UHFFFAOYSA-N trimethyl benzene-1,3,5-tricarboxylate Chemical compound COC(=O)C1=CC(C(=O)OC)=CC(C(=O)OC)=C1 RGCHNYAILFZUPL-UHFFFAOYSA-N 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- WURBVZBTWMNKQT-UHFFFAOYSA-N 1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)butan-2-one Chemical compound C1=NC=NN1C(C(=O)C(C)(C)C)OC1=CC=C(Cl)C=C1 WURBVZBTWMNKQT-UHFFFAOYSA-N 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- WQPDQJCBHQPNCZ-UHFFFAOYSA-N cyclohexa-2,4-dien-1-one Chemical compound O=C1CC=CC=C1 WQPDQJCBHQPNCZ-UHFFFAOYSA-N 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 239000013384 organic framework Substances 0.000 description 1
- 150000003628 tricarboxylic acids Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- 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
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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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
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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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
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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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
- B01D2255/2063—Lanthanum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
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- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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Abstract
A kind of method using flower-shaped lanthanum oxide catalyst PARA FORMALDEHYDE PRILLS(91,95) catalysis oxidation, belongs to catalytic oxidation technologies field.Specifically include following steps：(1) hydro-thermal method synthesis La MOF are first passed through, flower-shaped lanthanum oxide catalyst is obtained after roasting；(2) flower-shaped lanthanum oxide catalyst and formaldehyde are put into autoclave again, in 0.5~2MPa of pressure, 50~80 DEG C of temperature, carries out hydrogenation deoxidation under the conditions of 500~900rpm of speed of agitator and react 1~3h, finally obtain oxidation of formaldehyde product.Catalyst made from this method has chemically and thermally the advantages that stability is good, and specific surface area is big, and tenor is high, and catalytic activity is good, and formaldehyde conversion is high, stable in catalytic performance.
Description
(1) technical field
The present invention provides a kind of method using flower-shaped lanthanum oxide catalyst PARA FORMALDEHYDE PRILLS(91,95) catalysis oxidation, belongs to catalysis oxidation skill
Art field.
(2) background technology
The formaldehyde that slowly discharges is a kind of main indoor air pollutants in building and ornament materials, be chronically exposed to compared with
The health of the mankind can be seriously endangered in the formaldehyde environment of low concentration.Catalytic oxidation is a kind of very effective elimination formaldehyde
Technology, can be fully converted to carbon dioxide and water under conditions of more gently by formaldehyde.
Lanthanum oxide-based catalyst has good catalytic activity, selectivity of product and heat endurance at present, but not yet applies
In the catalysis oxidation of formaldehyde.
The present invention has obtained a kind of flower-shaped lanthana catalysis by being roasted to lanthanum Base Metal organic framework material (La-MOF)
Agent, can be applied in the catalytic oxidation of formaldehyde.
(3) content of the invention
A kind of method using flower-shaped lanthanum oxide catalyst PARA FORMALDEHYDE PRILLS(91,95) catalysis oxidation of the invention, specifically includes following steps：
(1) lanthanum source, the organic ligand of 1~5mmol and the dimethylformamide of 30~70ml of 5~15mmol is weighed, is mixed
Close uniformly, at 110~150 DEG C after 12~48h of hydro-thermal process, carry out centrifugal treating, obtain sediment.
Lanthanum source described in step (1) is lanthanum nitrate, one kind in lanthanum chloride；Organic ligand is trimesic acid, equal benzene
One kind in tricarboxylic acid trimethyl.
(2) deposit for obtaining step (1) washs 3~5 times respectively with dimethylformamide and absolute ethyl alcohol successively, so
12~48h is dried in vacuo at 50~100 DEG C afterwards, that is, obtains La-MOF.
(3) La-MOF that step (2) obtains is put into Muffle furnace, 1~3h is roasted at 400~700 DEG C, that is, is spent
Shape lanthanum oxide catalyst.
Flower-shaped lanthanum oxide catalyst can be used for the catalytic oxidation of formaldehyde, its method is：By flower-shaped lanthanum oxide catalyst
It is put into formaldehyde in autoclave, in 0.5~2MPa of pressure, 50~80 DEG C of temperature, under the conditions of 500~900rpm of speed of agitator
Carry out hydrogenation deoxidation and react 1~3h, finally obtain oxidation of formaldehyde product.
The advantage of the invention is that：
1st, a kind of method using flower-shaped lanthanum oxide catalyst PARA FORMALDEHYDE PRILLS(91,95) catalysis oxidation proposed by the present invention, makes in this method
Standby flower-shaped lanthanum oxide catalyst is good with chemically and thermally stability, and specific surface area is big, and tenor is high, the spy such as multiple aperture distribution
Point.
2nd, a kind of method using flower-shaped lanthanum oxide catalyst PARA FORMALDEHYDE PRILLS(91,95) catalysis oxidation proposed by the present invention, this method obtain
Flower-shaped lanthanum oxide catalyst there is the advantages that catalytic activity is good, and formaldehyde conversion is high, stable in catalytic performance.
(4) illustrate
Fig. 1：A kind of technique stream of method using flower-shaped lanthanum oxide catalyst PARA FORMALDEHYDE PRILLS(91,95) catalysis oxidation proposed by the present invention
Cheng Tu.
(5) embodiment
The technical characterstic of the present invention is described in detail below in conjunction with the drawings and specific embodiments, as shown in Figure 1.
Embodiment 1：
A kind of method using flower-shaped lanthanum oxide catalyst PARA FORMALDEHYDE PRILLS(91,95) catalysis oxidation of the invention, specifically includes following steps：
(1) lanthanum source, the organic ligand of 3mmol and the dimethylformamide of 50ml of 10mmol is weighed, is uniformly mixed,
At 130 DEG C after hydro-thermal process 24h, centrifugal treating is carried out, obtains sediment.
Lanthanum source described in step (1) is lanthanum nitrate；Organic ligand is trimesic acid.
(2) deposit for obtaining step (1) washs 4 times respectively with dimethylformamide and absolute ethyl alcohol successively, then
24h is dried in vacuo at 80 DEG C, that is, obtains La-MOF.
(3) La-MOF that step (2) obtains is put into Muffle furnace, 2h is roasted at 500 DEG C, that is, obtain flower-shaped lanthana
Catalyst.
Flower-shaped lanthanum oxide catalyst can be used for the catalytic oxidation of formaldehyde, its method is：By flower-shaped lanthanum oxide catalyst
It is put into formaldehyde in autoclave, in pressure 1MPa, temperature 60 C, it is anti-to carry out hydrogenation deoxidation under the conditions of speed of agitator 700rpm
2h is answered, finally obtains oxidation of formaldehyde product.
The result shows that the conversion ratio of flower-shaped lanthanum oxide catalyst PARA FORMALDEHYDE PRILLS(91,95) is notable for 99% catalytic effect.
Embodiment 2：
A kind of method using flower-shaped lanthanum oxide catalyst PARA FORMALDEHYDE PRILLS(91,95) catalysis oxidation of the invention, specifically includes following steps：
(1) lanthanum source, the organic ligand of 1mmol and the dimethylformamide of 30ml of 5mmol is weighed, is uniformly mixed, 110
At DEG C after hydro-thermal process 48h, centrifugal treating is carried out, obtains sediment.
Lanthanum source described in step (1) is one kind in lanthanum chloride；Organic ligand is trimesic acid.
(2) deposit for obtaining step (1) washs 3 times respectively with dimethylformamide and absolute ethyl alcohol successively, then
48h is dried in vacuo at 50 DEG C, that is, obtains La-MOF.
(3) La-MOF that step (2) obtains is put into Muffle furnace, 3h is roasted at 400 DEG C, that is, obtain flower-shaped lanthana
Catalyst.
Flower-shaped lanthanum oxide catalyst can be used for the catalytic oxidation of formaldehyde, its method is：By flower-shaped lanthanum oxide catalyst
It is put into formaldehyde in autoclave, in pressure 0.5MPa, 80 DEG C of temperature, carries out hydrogenation deoxidation under the conditions of speed of agitator 500rpm
1h is reacted, finally obtains oxidation of formaldehyde product.
The result shows that the conversion ratio of flower-shaped lanthanum oxide catalyst PARA FORMALDEHYDE PRILLS(91,95) is notable for 97% catalytic effect.
Embodiment 3：
A kind of method using flower-shaped lanthanum oxide catalyst PARA FORMALDEHYDE PRILLS(91,95) catalysis oxidation of the invention, specifically includes following steps：
(1) lanthanum source, the organic ligand of 5mmol and the dimethylformamide of 70ml of 15mmol is weighed, is uniformly mixed,
At 150 DEG C after hydro-thermal process 12h, centrifugal treating is carried out, obtains sediment.
Lanthanum source described in step (1) is lanthanum nitrate；Organic ligand is equal trimethyl trimesate.
(2) deposit for obtaining step (1) washs 5 times respectively with dimethylformamide and absolute ethyl alcohol successively, then
12h is dried in vacuo at 100 DEG C, that is, obtains La-MOF.
(3) La-MOF that step (2) obtains is put into Muffle furnace, 1h is roasted at 700 DEG C, that is, obtain flower-shaped lanthana
Catalyst.
Flower-shaped lanthanum oxide catalyst can be used for the catalytic oxidation of formaldehyde, its method is：By flower-shaped lanthanum oxide catalyst
It is put into formaldehyde in autoclave, in pressure 2MPa, temperature 50 C, it is anti-to carry out hydrogenation deoxidation under the conditions of speed of agitator 900rpm
3h is answered, finally obtains oxidation of formaldehyde product.
The result shows that the conversion ratio of flower-shaped lanthanum oxide catalyst PARA FORMALDEHYDE PRILLS(91,95) is notable for 98% catalytic effect.
Claims (3)
- A kind of 1. method using flower-shaped lanthanum oxide catalyst PARA FORMALDEHYDE PRILLS(91,95) catalysis oxidation, it is characterised in that this method specifically includes Following steps：(1) lanthanum source, the organic ligand of 1~5mmol and the dimethylformamide of 30~70ml of 5~15mmol is weighed, mixing is equal It is even, at 110~150 DEG C after 12~48h of hydro-thermal process, centrifugal treating is carried out, obtains sediment；(2) deposit for obtaining step (1) washs 3~5 times respectively with dimethylformamide and absolute ethyl alcohol successively, Ran Hou 12~48h is dried in vacuo at 50~100 DEG C, that is, obtains La-MOF；(3) La-MOF that step (2) obtains is put into Muffle furnace, 1~3h is roasted at 400~700 DEG C, that is, obtains flower-shaped oxygen Change lanthanum catalyst.
- 2. a kind of method using flower-shaped lanthanum oxide catalyst PARA FORMALDEHYDE PRILLS(91,95) catalysis oxidation according to claim 1, its feature It is：The lanthanum source is lanthanum nitrate, one kind in lanthanum chloride；Organic ligand is trimesic acid, trimethyl trimesate In one kind.
- 3. flower-shaped lanthanum oxide catalyst according to claim 1 can be used for the catalytic oxidation of formaldehyde, its method is：Will Flower-shaped lanthanum oxide catalyst and formaldehyde are put into autoclave, in 0.5~2MPa of pressure, 50~80 DEG C of temperature, speed of agitator Hydrogenation deoxidation is carried out under the conditions of 500~900rpm and reacts 1~3h, finally obtains oxidation of formaldehyde product.
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| CN201711146322.7A CN107998875A (en) | 2017-11-17 | 2017-11-17 | A kind of method using flower-shaped lanthanum oxide catalyst PARA FORMALDEHYDE PRILLS(91,95) catalysis oxidation |
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| CN201711146322.7A CN107998875A (en) | 2017-11-17 | 2017-11-17 | A kind of method using flower-shaped lanthanum oxide catalyst PARA FORMALDEHYDE PRILLS(91,95) catalysis oxidation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108975377A (en) * | 2018-07-09 | 2018-12-11 | 龙岩学院 | A kind of preparation method of porous oxidation lanthanum |
| CN110327695A (en) * | 2019-06-03 | 2019-10-15 | 江阴苏达汇诚复合材料有限公司 | The composite porous preparation method of PM2.5 and VOC can be obstructed |
| CN110359043A (en) * | 2019-07-27 | 2019-10-22 | 西北师范大学 | Dielectric soaks the preparation method of the titanium-based lanthana nano flower film of low-voltage response |
-
2017
- 2017-11-17 CN CN201711146322.7A patent/CN107998875A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108975377A (en) * | 2018-07-09 | 2018-12-11 | 龙岩学院 | A kind of preparation method of porous oxidation lanthanum |
| CN110327695A (en) * | 2019-06-03 | 2019-10-15 | 江阴苏达汇诚复合材料有限公司 | The composite porous preparation method of PM2.5 and VOC can be obstructed |
| CN110327695B (en) * | 2019-06-03 | 2021-11-30 | 江阴苏达汇诚复合材料有限公司 | Preparation method of porous composite material capable of blocking PM2.5 and VOC |
| CN110359043A (en) * | 2019-07-27 | 2019-10-22 | 西北师范大学 | Dielectric soaks the preparation method of the titanium-based lanthana nano flower film of low-voltage response |
| CN110359043B (en) * | 2019-07-27 | 2021-03-26 | 西北师范大学 | Preparation method of titanium-based lanthanum oxide nanoflower film with dielectric wetting low-voltage response |
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