CN106492809A - A kind of for removing new catalyst of formaldehyde and preparation method thereof - Google Patents
A kind of for removing new catalyst of formaldehyde and preparation method thereof Download PDFInfo
- Publication number
- CN106492809A CN106492809A CN201611015050.2A CN201611015050A CN106492809A CN 106492809 A CN106492809 A CN 106492809A CN 201611015050 A CN201611015050 A CN 201611015050A CN 106492809 A CN106492809 A CN 106492809A
- Authority
- CN
- China
- Prior art keywords
- catalyst
- hours
- formaldehyde
- new catalyst
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/78—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with alkali- or alkaline earth metals
-
- 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
- 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
- B01J23/58—Platinum group metals with alkali- or alkaline earth 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
- 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
- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/656—Manganese, technetium or rhenium
- B01J23/6562—Manganese
-
- 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
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/847—Vanadium, niobium or tantalum or polonium
- B01J23/8472—Vanadium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Catalysts (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses a kind of new catalyst for removing formaldehyde, the catalyst is with the hydrotalcite of alkali resistance and humidity as carrier, with highly active metal as catalytic oxidation activity center, the highly active metal is one or more in V, Cr, Mn, Fe, Co, Ni, Cu, Au, Pd, Pt, and the content of wherein institute's carried metal element accounts for the 0.03 ~ 10% of catalyst gross mass.The invention also discloses a kind of preparation method for removing the new catalyst of formaldehyde.Catalyst prepared by the present invention has very high catalysis activity and good hydrothermal stability under conditions of normal temperature, normal pressure, humidity, and, during catalytic elimination formaldehyde, the clearance of formaldehyde is high, and catalyst usage cycles are long for which；Simultaneously in the preparation process of catalyst, abundant raw material source, process is simple, low cost, not to many advantages, such as environment generation pollution.
Description
Technical field
The present invention relates to a kind of for removing new catalyst of formaldehyde and preparation method thereof, belong to new material and technology neck
Domain.
Background technology
Formaldehyde is carcinogenic teratogen and there is stronger photochemical activity.It both from weaving, agricultural chemicals, sheet material or other
The production process of fine chemicals, again from motor-vehicle tail-gas and indoor various art works.Formaldehyde reaches one in atmosphere
When determining concentration, people just has sense of discomfort, more than 0.08 m3Concentration of formaldehyde furious, eye can be caused to itch, throat discomfort or pain, sound
Sound is hoarse, sneeze, uncomfortable in chest, asthma etc..In newly-decorated room, content of formaldehyde is higher, generally tens times of outdoor, special feelings
Up to hundreds times under condition, every year as the death toll that room air pollution causes is more than 10 ten thousand people.Long Term Contact formaldehyde also increases
The big probability for suffering from the special cancer such as myelomatosis, Hodgkin lymphoma, Huppert's disease, for health and
It is very necessary that atmospheric environment removes formaldehyde.
The removal of formaldehyde and VOC gases mainly has three kinds of methods, absorption method, photocatalytic method and catalytic oxidation.Wherein inhale
Attached method is commonly used activated carbon and molecular sieve to remove formaldehyde, but the adsorbance of adsorbent and reusability limit answering for adsorbent
With and promote；Photocatalytic method is frequently with TiO2Base catalyst removal formaldehyde, in actual applications, contains in many paint for wall
TiO2Based photocatalyst, under conditions of illumination, many coating also can be produced similar to formaldehyde in the presence of photochemical catalyst
Pollution.It is a kind of very promising technology that catalytic oxidation removes formaldehyde, and formaldehyde can be converted into two by normal temperatures and pressures
Carbonoxide and water, do not produce secondary pollution；But the key of the technology is research and development catalyst.
Traditional catalyst in paint for wall and quick lime is added to, due to the complicated organic composition of coating and quick lime
Strong basicity, easily make catalyst lose catalysis activity；Simultaneously because the substantial amounts of vapor of content and carbon dioxide in room air
Also many catalyst loss of catalytic activity are easily made.Therefore a kind of high activity, high stability, the catalyst of low cost are sought in normal temperature
Formaldehyde is removed under conditions of humidity remains an important challenge；And the exploitation of such new catalyst is also motor-driven vehicle
In gas and industrial production, the removal of VOCs provides new approaches.
Content of the invention
The technical problem to be solved is the defect for overcoming prior art, there is provided a kind of for removing the new of formaldehyde
Type catalyst and preparation method thereof.
For solving above-mentioned technical problem, the present invention provides a kind of new catalyst for removing formaldehyde, it is characterized in that, should
Catalyst with the hydrotalcite of alkali resistance and humidity as carrier, with highly active metal as catalytic oxidation activity center, the height
The metal of activity is one or more in V, Cr, Mn, Fe, Co, Ni, Cu, Au, Pd, Pt, and wherein institute carried metal element contains
Amount accounts for the 0.03 ~ 10% of catalyst gross mass.
Present invention also offers a kind of preparation method for removing the new catalyst of formaldehyde, is characterized in that, including such as
Lower step：
（1）Prepare the colloid mixture aqueous solution of calcium oxide, magnesia and aluminum oxide, using alkali lye control its pH value 9～11 it
Between, be stirred at room temperature 1～10 hour, the mol ratio of calcium, magnesium total content and aluminium content is controlled 2.0～5.0, control calcium, magnesium, aluminium
Total concentration is in 2.0～5.0 mol/L；
（2）Prepare carbonate aqueous solution, control carbonate and step（1）The mole dosage of middle aluminum oxide is identical；
（3）By step（1）And step（2）Two solution for preparing are with volume ratio 1:2-10 hours, temperature control are sufficiently stirred for after 1 mixing
At 40～80 DEG C, aging 12-36 hours obtain required colloid to system；
（4）Add highly active slaine in the colloid of gained, the metal in the highly active slaine be Fe, Co, Ni,
One or more in Cu, V, Cr, Mn, Au, Pd, Pt, 30-80 DEG C is stirred 6～24 hours, aged at room temperature 12-48 hour, so
Afterwards by the gel filtration of gained or centrifugal dehydration, wash with water to neutrality, 60～100 DEG C of drying, the solid sample of gained is 200
H at～400 DEG C2Or calcine 4～16 hours in CO, the new catalyst of corresponding hydrotalcite load is obtained.
Further, above-mentioned steps（1）In, the calcium oxide, magnesia for therein one or two.
Further, above-mentioned steps（1）In, described alkali lye is in NaOH, potassium hydroxide, ammonium hydroxide and urea
One kind.
Further, above-mentioned steps（2）In, described carbonate is ammonium carbonate, sodium carbonate, the one kind or two in potassium carbonate
Kind.
Further, above-mentioned steps（4）In, described slaine, for Fe, Co, Ni, Cu, V, Cr, Mn be nitrate,
Sulfate or chloride, for Au, Pd, Pt are HAuCl4、(NH4)2PdCl4And HPtCl4.
The beneficial effect reached by the present invention：
（1）The catalyst of preparation shows very high activity in oxidation of formaldehyde reaction, under conditions of normal temperature and pressure humidity, instead
2 ~ 96 h between seasonable, 0.6-2.0 wt% of the catalyst amount for formaldehyde, the maximum conversion of formaldehyde is up to 100%.
（2）Catalyst preparation process is simple, low cost, does not produce pollution to environment；
（3）Gained catalyst activity is high, have unique hydrothermal stability；
（4）Reaction can be efficiently carried out under conditions of strong basicity environment and humidity, be using paving on wall quick lime coating
Level line road.
Specific embodiment
The invention will be further described below.Following examples are only used for the technical side that the present invention is clearly described
Case, and can not be limited the scope of the invention with this.
Product analysis, chromatographic condition are as follows：6890 gas-chromatographies of Agilent（Capillary column：30 mm×320um×
0.25um）, 50 DEG C of column temperature, temperature programming：50 DEG C of initial temperature, 15 DEG C/min to 220 DEG C of first stage, continues 5 min.Carrier gas
For N2, 40 mL/min of flow velocity, hydrogen ion flame detector, hand sampling, 0.2 μ L of sample size, by normalization method to each product
Thing carries out quantitative analysis.
Embodiment 1
By 48 mol MgO, 12 mol CaO and 20 mol Al2O3Deionized water is made into 30 L colloids；Acutely stir under room temperature
Mix 1.0 hours, and plus NH4It is 9.0 that OH controls mixed liquid pH value；The 20 mol aqueous solution of ammonium carbonate, 5 L is prepared, above two solution is mixed
It is sufficiently stirred for after conjunction 2 hours, temperature control is aging 12 hours at 40 DEG C, the colloid needed for obtaining；Add in the colloid of gained
The ferric nitrate of 0.03wt%, 30 DEG C are stirred 6 hours, and aged at room temperature 12 hours, then by the gel filtration of gained, dehydration, is washed with water
To neutrality, 60 DEG C dry 6 hours, H at 200 DEG C of the solid sample of gained2Calcine 4 hours in gas, corresponding hydrotalcite can be obtained and born
The new catalyst of load.In 100 L reactors, add 0.01% formalin of 80 L, the above-mentioned of 0.6wt% to prepare catalyst
H with 10 L 3%2O2, room temperature starts stirring, after reacting 2 hours, takes a small amount of reactant mixture centrifugation and removes catalyst, and clear liquid is used
6890 gas chromatographic analysis of Agilent, the clearance of formaldehyde is 30.0%.
Embodiment 2
By 48 mol MgO, 12 mol CaO and 20 mol Al2O3Deionized water is made into 30 L colloids；Acutely stir under room temperature
Mix 10 hours, and add KOH to control to mix liquid pH value for 11.0；The 20 mol aqueous solution of ammonium carbonate, 5 L is prepared, above two solution is mixed
After be sufficiently stirred for 10 hours, temperature control is aging 36 hours at 80 DEG C, obtain needed for colloid；Add in the colloid of gained
The ferrous sulfate of 10wt%, 80 DEG C are stirred 24 hours, and aged at room temperature 48 hours, then by the gel filtration of gained, dehydration, uses water
Neutrality is washed till, 100 DEG C dry 24 hours, H at 400 DEG C of the solid sample of gained2Calcine 16 hours in gas, corresponding water can be obtained
The new catalyst of talcum load.In 100 L reactors, add 0.01% formalin of 80 L, the above-mentioned preparation of 2wt% to urge
Agent and the H of 10 L 3%2O2, room temperature starts stirring, after reacting 96 hours, takes a small amount of reactant mixture centrifugation and removes catalyst,
Clear liquid 6890 gas chromatographic analysis of Agilent, the clearance of formaldehyde is 100.0%.
Embodiment 3
By 60 mol MgO and 20 mol Al2O3Deionized water is made into 30 L colloids；It is stirred vigorously under room temperature 8 hours, and plus
It is 10.0 that NaOH controls mixed liquid pH value；The 20 mol aqueous solution of potassium carbonate, 5 L is prepared, after above two solution is mixed, 6 is sufficiently stirred for
Hour, temperature control is aging 26 hours at 60 DEG C, the colloid needed for obtaining；The copper sulphate of 5wt% is added in the colloid of gained
And nickel nitrate, 60 DEG C are stirred 16 hours, and aged at room temperature 36 hours, then by the gel filtration of gained, dehydration, is washed with water into
Property, 80 DEG C dry 12 hours, H at 350 DEG C of the solid sample of gained2Calcine 8 hours in gas, corresponding hydrotalcite load can be obtained
New catalyst.In 100 L reactors, add 0.04% formalin of 80 L, the above-mentioned of 1wt% to prepare catalyst and 10
The H of L 3%2O2, room temperature starts stirring, after reacting 48 hours, takes a small amount of reactant mixture centrifugation and removes catalyst, and clear liquid is used
6890 gas chromatographic analysis of Agilent, the clearance of formaldehyde is 80.0%.
Embodiment 4
By 60 mol CaO and 20 mol Al2O3Deionized water is made into 30 L colloids；It is stirred vigorously under room temperature 10 hours, and
Plus NH4It is 10.0 that OH and urea control mixed liquid pH value；5 L of sodium carbonate and the 20 mol aqueous solution of potassium carbonate is prepared, molten by above two
It is sufficiently stirred for 10 hours after liquid mixing, temperature control is aging 26 hours at 60 DEG C, the colloid needed for obtaining；Colloid in gained
The copper nitrate and cobalt nitrate of middle addition 7wt%, 70 DEG C are stirred 30 hours, and aged at room temperature 36 hours, then by the colloid mistake of gained
Filter, dehydration, wash with water to neutrality, and 80 DEG C dry 12 hours, H at 400 DEG C of the solid sample of gained2Calcine 5 hours in gas, can
Obtain the new catalyst of corresponding hydrotalcite load.0.02% formalin of 80 L, 1wt% is added in 100 L reactors
The above-mentioned H for preparing catalyst and 10 L 3%2O2, room temperature starts stirring, after reacting 12 hours, takes a small amount of reactant mixture centrifugation and goes
Except catalyst, clear liquid 6890 gas chromatographic analysis of Agilent, the clearance of formaldehyde is 70.0%.
Embodiment 5
By 40 mol CaO, 60molMgO and 20 mol Al2O3Deionized water is made into 30 L colloids；8 are stirred vigorously under room temperature
Hour, and add NaOH and urea to control to mix liquid pH value for 11.0；5 L of sodium carbonate and the 20 mol aqueous solution of amine carbonate is prepared, will be with
It is sufficiently stirred for 12 hours after upper two solution mixing, temperature control is aging 16 hours at 80 DEG C, the colloid needed for obtaining；In gained
Colloid in add 2wt% vanadium chloride and cobalt nitrate, 50 DEG C stir 12 hours, aged at room temperature 12 hours, then by the glue of gained
Body is filtered, dehydration, is washed with water to neutrality, and 60 DEG C dry 6 hours, H at 400 DEG C of the solid sample of gained2In gas, calcining 10 is little
When, the new catalyst of corresponding hydrotalcite load can be obtained.Add in 100 L reactors 80 L 0.03% formalin,
The above-mentioned H for preparing catalyst and 10 L 3% of 4wt%2O2, room temperature starts stirring, after reaction 12 hours, takes a small amount of reactant mixture
Centrifugation removal catalyst, clear liquid 6890 gas chromatographic analysis of Agilent, the clearance of formaldehyde is 80.0%.
Embodiment 6
By 20 mol CaO, 20molMgO and 20 mol Al2O3Deionized water is made into 30 L colloids；8 are stirred vigorously under room temperature
Hour, and add NaOH and KOH to control to mix liquid pH value for 10.5；5 L of potassium carbonate and the 20 mol aqueous solution of amine carbonate is prepared, by more than
It is sufficiently stirred for 12 hours after the mixing of two solution, temperature control is aging 16 hours at 80 DEG C, the colloid needed for obtaining；In gained
The HAuCl of 1.5wt% is added in colloid4, 50 DEG C stir 18 hours, aged at room temperature 12 hours, then by the gel filtration of gained,
Dehydration, washes with water to neutrality, and 60 DEG C dry 6 hours, H at 350 DEG C of the solid sample of gained2Calcine 18 hours in gas, phase can be obtained
The new catalyst of the hydrotalcite load that answers.Add in 100 L reactors 0.03% formalin of 80 L, 1wt% above-mentioned
Prepare the H of catalyst and 10 L 15%2O2, room temperature starts stirring, after reacting 12 hours, takes a small amount of reactant mixture centrifugation and removes
Catalyst, clear liquid 6890 gas chromatographic analysis of Agilent, the clearance of formaldehyde is 95.0%.
Embodiment 7
By 30 mol CaO, 30molMgO and 20 mol Al2O3Deionized water is made into 12 L colloids；8 are stirred vigorously under room temperature
Hour, and hydro-oxidation ammonium controls to mix liquid pH value for 10.5；The 20 mol aqueous solution of sodium carbonate, 5 L is prepared, above two solution is mixed
It is sufficiently stirred for after conjunction 16 hours, temperature control is aging 20 hours at 60 DEG C, the colloid needed for obtaining；Add in the colloid of gained
Enter (the NH of 2.5wt%4)2PdCl4And HPtCl4.50 DEG C are stirred 18 hours, and aged at room temperature 12 hours, then by the colloid mistake of gained
Filter, dehydration, wash with water to neutrality, and 60 DEG C dry 6 hours, are calcined 18 hours at 350 DEG C of the solid sample of gained in CO gas, can
Obtain the new catalyst of corresponding hydrotalcite load.0.03% formalin of 80 L, 1wt% is added in 100 L reactors
The above-mentioned H for preparing catalyst and 10 L 15%2O2, room temperature starts stirring, after reacting 12 hours, takes a small amount of reactant mixture centrifugation
Removal catalyst, clear liquid 6890 gas chromatographic analysis of Agilent, the clearance of formaldehyde is 65.0%.
Embodiment 8
By 60 molMgO and 20 mol Al2O3Deionized water is made into 12 L colloids；It is stirred vigorously under room temperature 8 hours, and plus
It is 10.0 that ammonium hydroxide controls mixed liquid pH value；The 20 mol aqueous solution of ammonium carbonate, 5 L is prepared, is fully stirred after above two solution is mixed
Mix 18 hours, temperature control is aging 24 hours at 60 DEG C, the colloid needed for obtaining；Add 2.5wt%'s in the colloid of gained
Manganese sulfate and HPtCl4.80 DEG C are stirred 16 hours, and aged at room temperature 24 hours, then by the gel filtration of gained, dehydration, is washed with water
To neutrality, 60 DEG C dry 6 hours, calcine 18 hours, can obtain corresponding hydrotalcite at 350 DEG C of the solid sample of gained in CO gas
The new catalyst of load.In 100 L reactors, add 0.03% formalin of 80 L, the above-mentioned of 2wt% to prepare catalyst
H with 10 L 30%2O2, room temperature starts stirring, after reacting 12 hours, takes a small amount of reactant mixture centrifugation and removes catalyst, clear liquid
With 6890 gas chromatographic analysis of Agilent, the clearance of formaldehyde is 95.0%.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of without departing from the technology of the present invention principle, some improvement and deformation can also be made, these improve and deform
Also protection scope of the present invention should be regarded as.
Claims (6)
1. a kind of new catalyst for removing formaldehyde, is characterized in that, the catalyst is with alkali resistance and the hydrotalcite of humidity
For carrier, with highly active metal as catalytic oxidation activity center, the highly active metal be V, Cr, Mn, Fe, Co, Ni,
One or more in Cu, Au, Pd, Pt, the content of wherein institute's carried metal element account for the 0.03 ~ 10% of catalyst gross mass.
2. a kind of preparation method for removing the new catalyst of formaldehyde according to claim 1, is characterized in that, including
Following steps：
（1）Prepare the colloid mixture aqueous solution of calcium oxide, magnesia and aluminum oxide, using alkali lye control its pH value 9～11 it
Between, be stirred at room temperature 1～10 hour, the mol ratio of calcium, magnesium total content and aluminium content is controlled 2.0～5.0, control calcium, magnesium, aluminium
Total concentration is in 2.0～5.0 mol/L；
（2）Prepare carbonate aqueous solution, control carbonate and step（1）The mole dosage of middle aluminum oxide is identical；
（3）By step（1）And step（2）Two solution for preparing are with volume ratio 1:2-10 hours, temperature control are sufficiently stirred for after 1 mixing
At 40～80 DEG C, aging 12-36 hours obtain required colloid to system；
（4）Add highly active slaine in the colloid of gained, the metal in the highly active slaine be Fe, Co, Ni,
One or more in Cu, V, Cr, Mn, Au, Pd, Pt, 30-80 DEG C is stirred 6～24 hours, aged at room temperature 12-48 hour, so
Afterwards by the gel filtration of gained or centrifugal dehydration, wash with water to neutrality, 60～100 DEG C of drying, the solid sample of gained is 200
H at～400 DEG C2Or calcine 4～16 hours in CO, the new catalyst of corresponding hydrotalcite load is obtained.
3. a kind of preparation method for removing the new catalyst of formaldehyde according to claim 2, is characterized in that, above-mentioned
Step（1）In, the calcium oxide, magnesia for therein one or two.
4. a kind of preparation method for removing the new catalyst of formaldehyde according to claim 2, is characterized in that, above-mentioned
Step（1）In, described alkali lye is the one kind in NaOH, potassium hydroxide, ammonium hydroxide and urea.
5. a kind of preparation method for removing the new catalyst of formaldehyde according to claim 2, is characterized in that, above-mentioned
Step（2）In, described carbonate is ammonium carbonate, sodium carbonate, one or two in potassium carbonate.
6. a kind of preparation method for removing the new catalyst of formaldehyde according to claim 2, is characterized in that, above-mentioned
Step（4）In, described slaine, for Fe, Co, Ni, Cu, V, Cr, Mn are nitrate, sulfate or chloride, for Au,
Pd, Pt are HAuCl4、(NH4)2PdCl4And HPtCl4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611015050.2A CN106492809B (en) | 2016-11-18 | 2016-11-18 | A kind of catalyst and preparation method thereof for removing formaldehyde |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611015050.2A CN106492809B (en) | 2016-11-18 | 2016-11-18 | A kind of catalyst and preparation method thereof for removing formaldehyde |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106492809A true CN106492809A (en) | 2017-03-15 |
| CN106492809B CN106492809B (en) | 2019-07-12 |
Family
ID=58324974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611015050.2A Active CN106492809B (en) | 2016-11-18 | 2016-11-18 | A kind of catalyst and preparation method thereof for removing formaldehyde |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106492809B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106964404A (en) * | 2017-03-29 | 2017-07-21 | 南京工程学院 | A kind of new catalyst that production aldehyde ketone is aoxidized for alcohol and preparation method thereof |
| CN108906053A (en) * | 2018-07-20 | 2018-11-30 | 中国科学院兰州化学物理研究所苏州研究院 | Hydrophobic water talcum supported bimetal catalyst and its oxidation catalysis application |
| CN109529895A (en) * | 2018-12-27 | 2019-03-29 | 南京工程学院 | A kind of high stability catalyst of toluene oxidation synthesizing benzaldehyde and preparation method thereof |
| CN109589778A (en) * | 2018-10-17 | 2019-04-09 | 南京工程学院 | It is a kind of for removing the nano material of bacterium and formaldehyde |
| CN109621945A (en) * | 2018-12-28 | 2019-04-16 | 南京工程学院 | It is a kind of for toluene oxidation be benzoic acid novel nano catalyst |
| CN109701567A (en) * | 2018-12-28 | 2019-05-03 | 南京工程学院 | A kind of high stability catalyst of toluene oxidation synthesizing benzaldehyde |
| CN109939692A (en) * | 2019-02-14 | 2019-06-28 | 北京氦舶科技有限责任公司 | A kind of manganese oxide catalyst and its preparation method and application |
| CN110327929A (en) * | 2019-06-17 | 2019-10-15 | 齐利华(武汉)资源环境科技有限公司 | A kind of cobalt aluminum hydrotalcite Derived Mixed Oxides and the preparation method and application thereof |
| CN110479307A (en) * | 2019-09-24 | 2019-11-22 | 浙江农林大学 | A kind of efficiently durable wood-based composite material and preparation method except formaldehyde |
| CN113000052A (en) * | 2021-02-19 | 2021-06-22 | 厦门大学 | Wet oxidation catalyst and preparation method and application thereof |
| CN113908852A (en) * | 2021-10-08 | 2022-01-11 | 北京化工大学 | High-efficiency high-concentration formaldehyde catalysis oxidation catalyst and preparation method thereof |
| CN113941327A (en) * | 2021-11-23 | 2022-01-18 | 江苏科技大学 | Palladium-based catalyst and preparation method and application thereof |
| CN115487826A (en) * | 2022-09-26 | 2022-12-20 | 江苏中江材料技术研究院有限公司 | Silver-doped manganese-cobalt hydrotalcite catalyst, preparation method thereof and method for degrading formaldehyde |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101822981A (en) * | 2010-04-30 | 2010-09-08 | 北京化工大学 | Supported gold catalyst and preparation method thereof |
| CN102773097A (en) * | 2011-05-13 | 2012-11-14 | 华东理工大学 | Preparation of loaded bimetallic nano-catalyst |
| CN103263915A (en) * | 2013-05-10 | 2013-08-28 | 北京化工大学 | Hydrotalcite-loaded nanometer platinum catalyst as well as preparation method and application thereof |
| CN103433043A (en) * | 2013-08-28 | 2013-12-11 | 大连理工大学 | High-selectivity catalyst for preparing phthalide by hydrogenation of phthalic anhydride |
| CN104628184A (en) * | 2015-01-22 | 2015-05-20 | 博天环境集团股份有限公司 | Method for treating formaldehyde wastewater by use of calcined hydrotalcite |
-
2016
- 2016-11-18 CN CN201611015050.2A patent/CN106492809B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101822981A (en) * | 2010-04-30 | 2010-09-08 | 北京化工大学 | Supported gold catalyst and preparation method thereof |
| CN102773097A (en) * | 2011-05-13 | 2012-11-14 | 华东理工大学 | Preparation of loaded bimetallic nano-catalyst |
| CN103263915A (en) * | 2013-05-10 | 2013-08-28 | 北京化工大学 | Hydrotalcite-loaded nanometer platinum catalyst as well as preparation method and application thereof |
| CN103433043A (en) * | 2013-08-28 | 2013-12-11 | 大连理工大学 | High-selectivity catalyst for preparing phthalide by hydrogenation of phthalic anhydride |
| CN104628184A (en) * | 2015-01-22 | 2015-05-20 | 博天环境集团股份有限公司 | Method for treating formaldehyde wastewater by use of calcined hydrotalcite |
Non-Patent Citations (2)
| Title |
|---|
| JIAWEI YE ET AL.: "Flexible Mg–Al layered double hydroxide supported Pt on Al foil for use in room-temperature catalytic decomposition of formaldehyde", 《RSC ADVANCES》 * |
| YOSHIO ONE: "《固体碱催化》", 31 May 2013 * |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106964404A (en) * | 2017-03-29 | 2017-07-21 | 南京工程学院 | A kind of new catalyst that production aldehyde ketone is aoxidized for alcohol and preparation method thereof |
| CN108906053A (en) * | 2018-07-20 | 2018-11-30 | 中国科学院兰州化学物理研究所苏州研究院 | Hydrophobic water talcum supported bimetal catalyst and its oxidation catalysis application |
| CN108906053B (en) * | 2018-07-20 | 2020-11-03 | 中国科学院兰州化学物理研究所苏州研究院 | Hydrophobic hydrotalcite loaded bimetallic catalyst and oxidation catalysis application thereof |
| CN109589778B (en) * | 2018-10-17 | 2021-09-03 | 南京工程学院 | Nano material for removing bacteria and formaldehyde |
| CN109589778A (en) * | 2018-10-17 | 2019-04-09 | 南京工程学院 | It is a kind of for removing the nano material of bacterium and formaldehyde |
| CN109529895A (en) * | 2018-12-27 | 2019-03-29 | 南京工程学院 | A kind of high stability catalyst of toluene oxidation synthesizing benzaldehyde and preparation method thereof |
| CN109621945A (en) * | 2018-12-28 | 2019-04-16 | 南京工程学院 | It is a kind of for toluene oxidation be benzoic acid novel nano catalyst |
| CN109701567A (en) * | 2018-12-28 | 2019-05-03 | 南京工程学院 | A kind of high stability catalyst of toluene oxidation synthesizing benzaldehyde |
| CN109939692A (en) * | 2019-02-14 | 2019-06-28 | 北京氦舶科技有限责任公司 | A kind of manganese oxide catalyst and its preparation method and application |
| CN110327929A (en) * | 2019-06-17 | 2019-10-15 | 齐利华(武汉)资源环境科技有限公司 | A kind of cobalt aluminum hydrotalcite Derived Mixed Oxides and the preparation method and application thereof |
| CN110479307A (en) * | 2019-09-24 | 2019-11-22 | 浙江农林大学 | A kind of efficiently durable wood-based composite material and preparation method except formaldehyde |
| CN113000052A (en) * | 2021-02-19 | 2021-06-22 | 厦门大学 | Wet oxidation catalyst and preparation method and application thereof |
| CN113908852A (en) * | 2021-10-08 | 2022-01-11 | 北京化工大学 | High-efficiency high-concentration formaldehyde catalysis oxidation catalyst and preparation method thereof |
| CN113908852B (en) * | 2021-10-08 | 2024-03-26 | 北京化工大学 | High-efficiency catalytic high-concentration formaldehyde oxidation catalyst and preparation method thereof |
| CN113941327A (en) * | 2021-11-23 | 2022-01-18 | 江苏科技大学 | Palladium-based catalyst and preparation method and application thereof |
| CN113941327B (en) * | 2021-11-23 | 2024-03-19 | 江苏科技大学 | Palladium-based catalyst and preparation method and application thereof |
| CN115487826A (en) * | 2022-09-26 | 2022-12-20 | 江苏中江材料技术研究院有限公司 | Silver-doped manganese-cobalt hydrotalcite catalyst, preparation method thereof and method for degrading formaldehyde |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106492809B (en) | 2019-07-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106492809B (en) | A kind of catalyst and preparation method thereof for removing formaldehyde | |
| US10376836B2 (en) | Desulfurizer for conversion and absorption of high-concentration carbonyl sulfide and a desulfurizer for catalytic conversion and absorption of carbon disulfide and their preparation methods | |
| CN108722420A (en) | A kind of preparation method of copper silicon systems catalyst | |
| CN104923209B (en) | A kind of solid catalyst for acetone self-condensation reaction and its preparation method and application | |
| CN105498756B (en) | The catalyst of hydrogenation of carbon dioxide methanol | |
| CN101497042A (en) | Catalyst for eliminating formaldehyde in air by low-temperature catalytic oxidation | |
| CN103101897A (en) | Method for preparing copper hydroxide phosphate micro-crystals with different shapes | |
| CN108392950A (en) | Application of the oxide-molecular sieve catalyst in being catalyzed carbon dioxide | |
| CN108246345A (en) | A kind of preparation method of oxide-molecular sieve catalyst | |
| CN103285865A (en) | Catalyst for synthesizing benzaldehyde by carrying out liquid-phase high-selectivity catalytic oxidation on methylbenzene | |
| CN108452805B (en) | NiTiO for photolyzing water to produce hydrogen3/TiO2Catalyst, preparation method and application thereof | |
| CN110479346A (en) | A kind of N doping non-precious metal catalyst and preparation method thereof for purifying formaldehyde | |
| CN106000450A (en) | Preparation method of catalyst for hydrating cyclohexene | |
| CN107626295A (en) | A kind of preparation method for being used to remove the houghite catalyst of HCN and COS gases | |
| CN110124743A (en) | A kind of organic Pd catalyst of load type stephanoporate metal and its preparation method and application | |
| CN106540714A (en) | A kind of cerium cobalt complex oxides loaded palladium catalyst and preparation and application for propane catalysis oxidation | |
| CN105618059A (en) | Dimethyl ethanolamine catalytic hydrogenation catalyst and preparation method thereof | |
| CN109794251A (en) | A kind of method of the modified zinc-nickel aluminium cerium houghite precursor preparation hydrolytic catalyst of carbonyl sulfur of complexing agent | |
| CN103230801B (en) | A kind of catalysis CO 2the method of synthesizing methanol modification CuZnZr | |
| CN106238063B (en) | A kind of glycerine hydrogenation prepares the copper-zinc oxide catalyst and preparation method thereof of propylene glycol | |
| CN110743501A (en) | Metal organic framework material for purifying formaldehyde-polluted air and preparation method thereof | |
| US9505628B2 (en) | Fenton reagent improved cyanation and usage thereof | |
| CN107115895B (en) | A kind of preparation method of copper-zinc-based catalyst | |
| CN105709776B (en) | The preparation method of catalytic wet oxidation catalyst | |
| CN107185552B (en) | Method for preparing resorcinol under catalysis of multi-element composite metal oxide catalyst |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |