CN105797684A - Integrated composite material, preparation method and application of integrated composite material in smoke desulfuration - Google Patents
Integrated composite material, preparation method and application of integrated composite material in smoke desulfuration Download PDFInfo
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- CN105797684A CN105797684A CN201610113060.3A CN201610113060A CN105797684A CN 105797684 A CN105797684 A CN 105797684A CN 201610113060 A CN201610113060 A CN 201610113060A CN 105797684 A CN105797684 A CN 105797684A
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
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- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
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- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
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- B01J20/0292—Phosphates of compounds other than those provided for in B01J20/048
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- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
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Abstract
The invention discloses an integrated composite material, a preparation method and application of the integrated composite material in smoke desulfuration. According to the integrated composite material, the cordierite honeycomb ceramic is taken as a carrier of the integrated composite material; a micro-mesoporous aluminum phosphate material is loaded on the cordierite honeycomb ceramic; organic amine is fixedly loaded inside the micro-mesoporous aluminum phosphate material; the micro-mesoporous aluminum phosphate material is doped with or without heteroatom. The preparation method for the integrated composite material comprises the following steps: taking raw materials required by the preparation of the micro-mesoporous aluminum phosphate material through a hydrothermal synthesis method; adding organic amine as a soft template; mixing and then stirring till uniform crystallized sol is formed; putting the crystallized sol and the cordierite honeycomb ceramic carrier into a reaction kettle for performing hydrothermal crystallization, thereby acquiring the integrated composite material. The integrated composite material provided by the invention is applied to the smoke desulfuration; the integrated composite material is high in purifying efficiency and absorbing rate for SO2 in smoke; the synthesis technique is simple; the production cost is low; the industrial production is easy.
Description
Technical field
The present invention relates to a kind of scavenging material and its preparation method and application, particularly relate to a kind of monoblock type composite and preparation method thereof and the application in flue gas desulfurization.
Background technology
Sulfide is one of atmosphere pollution of harm Ecological environment and health, can cause the problem such as acid rain, haze, also be one of most important project in current China control atmosphere pollution problem.In order to effectively eliminate the negative effect of sulfide, it is necessary to be substantially reduced the discharge capacity of sulfide, carry out high-efficiency desulfurization process before discharge, therefore develop effective sulfur removal technology and be always up the emphasis of research.Desulfurization three major types before sulfur removal technology currently mainly is divided into burning, in burning, after burning, wherein it is widely used and desulfuration efficiency is high is the Wet Flue Gas Desulfurization Technology in desulfurization after burning, but still suffer from operating cost height, secondary pollution problems, develop sulfur removal technology more efficient, environmental protection and have great importance.
The present invention proposes a kind of monoblock type composite material and preparation method thereof and the application in flue gas desulfurization, by the method for fabricated in situ immobilized organic amine on micro-mesopore molecular sieve, and by micro-mesopore molecular sieve growth in situ of synthesis on honeycomb ceramic carrier, make novel SO2The development of industrially desulfurized Technology is had great importance by adsorbent, this adsorbent and correlated process.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of monoblock type composite and preparation method thereof and the application in flue gas desulfurization, and this monoblock type composite is to SO in flue gas2Purification efficiency high, absorption rate is fast, and synthesis technique is simple, and production cost is low, it is easy to industrialization produces.
Below technical scheme is illustrated.
The invention provides a kind of monoblock type composite, with cordierite honeycomb ceramic for carrier, cordierite honeycomb ceramic is mounted with micro-mesoporous aluminum phosphate material, and the internal immobilized organic amine of micro-mesoporous aluminum phosphate material；Described micro-mesoporous aluminum phosphate material is undoped p or doped with hetero atom, wherein hetero atom is one or more in Fe, Cu, Si, Ni, Co, Zn.
Further, described micro-mesoporous aluminum phosphate material is selected from undoped p or the micro-mesoporous AlPO-5 of doping, micro-mesoporous AlPO-11 or micro-mesoporous AlPO-34.
Further, in described micro-mesoporous aluminum phosphate material, phosphorus aluminum ratio is 2:1～1:3, and specific surface area is 70-520m2/ g, mesoporous pore volume is 0.10-0.50cm3/ g, Micropore volume is 0.05-0.18cm3/g。
Further, the duct of described cordierite honeycomb ceramic carrier is shaped as triangle, tetragon, hexagon or circle.
Further, the duct spacing of described cordierite honeycomb ceramic carrier is 0.8～3.5mm, and duct wall thickness is 0.1～1mm.
Further, organic amine can be the combination of one or more in triethylamine, diisopropylamine, tetraethyl ammonium hydroxide, positive di-n-propylamine, TPAOH, morpholine, tetramethyl guanidine, tetraethyl guanidine, tetramethyl guanidine lactate.
The invention provides a kind of method preparing described monoblock type composite, including: water intaking thermal synthesis method prepare micro-mesoporous aluminum phosphate material needed for raw material (including silicon source, aluminum source, water), add organic amine as soft template, after mixing, stirring is until forming uniform crystallization colloidal sol, crystallization colloidal sol is loaded together with cordierite honeycomb ceramic carrier in reactor and carries out hydrothermal crystallizing, after taking out cooling through washing, dry obtain monoblock type composite.
In the present invention, described hydrothermal synthesis method prepares the raw material needed for micro-mesoporous aluminum phosphate material, is well-known to those skilled in the art, it is possible to the type of the aluminum phosphate material prepared as required selects suitable feedstock voluntarily.Such as prepare AlPO4-5, hydrothermal synthesis method prepare micro-mesoporous aluminum phosphate material needed for raw material can be aluminum isopropylate. (aluminum source), phosphoric acid (phosphorus source) and water, the molar ratio of its Raw is according to P2O5:Al2O3:H2O is calculated as 1:0.8～1:30～40, it is preferred to 1:0.8～1:33, additionally, mesoporous in order to increase, it is also possible to add hexadecyldimethylamine oxygen radical siloxane reagent (TPOAB) in the feed, and its molar ratio with aluminum source is according to TPOAB:P2O5It is calculated as 0.1～0.3:1；Preparation AlPO4-11, hydrothermal synthesis method prepare micro-mesoporous aluminum phosphate material needed for raw material can be boehmite (aluminum source), phosphoric acid (phosphorus source), Fluohydric acid. and water, the molar ratio of its Raw is according to P2O5:Al2O3:HF:H2O is calculated as 1:0.8～1:1:80～120, it is preferred to 1:0.8～1:100；Preparation AlPO4-34, hydrothermal synthesis method prepare micro-mesoporous aluminum phosphate material needed for raw material can be boehmite, phosphoric acid, water, the molar ratio of its Raw is according to P2O5:Al2O3:H2O is calculated as 1:1:40～60, it is preferred to 1:1:50.If micro-mesoporous aluminum phosphate material is also doped with hetero atom, then hydrothermal synthesis method prepare micro-mesoporous aluminum phosphate material needed for raw material in except preparing the raw material needed for unadulterated micro-mesoporous aluminum phosphate material, also have containing heteroatomic raw material, can be its corresponding water soluble salt or Ludox containing heteroatomic raw material.Molar ratio containing heteroatomic raw material and phosphorus source is according to P2O5: hetero atom is calculated as 1:0.03～0.06.
In the present invention, the molar ratio of organic amine and phosphorus source is according to organic amine: P2O5It is calculated as 0.6～2:1.
In the present invention, the temperature of hydrothermal crystallizing is between 100 DEG C～200 DEG C, and crystallization time is between 5 hours～6 days, and those skilled in the art can be adjusted according to the specific requirement preparing different aluminum phosphate materials, such as prepares AlPO4-5, crystallization temperature preferably 100～200 DEG C, the preferred 5h～24h of crystallization time；Preparation AlPO4-11, crystallization temperature preferably 180～200 DEG C, the preferred 2d～3d of crystallization time；Preparation AlPO4-34, crystallization temperature preferably 150～200 DEG C, the preferred 3d～6d of crystallization time.
In the present invention, baking temperature preferably 80～150 DEG C, preferably 3～10 hours drying time.
Invention further provides the application in flue gas desulfurization of the described monoblock type composite, it is mainly characterized by the organic amine utilizing the micro-mesoporous inside of the aluminum phosphate material active component as absorption.
Compared with prior art, the beneficial effects of the present invention is:
(1) monoblock type composite material provided by the invention is under normal temperature condition, SO2During content≤5000ppm, to SO in flue gas2Purification efficiency can reach～99.9%, absorption rate is t0.9～0.1min.
(2) preparation method of monoblock type composite of the present invention is simple, and production cost is relatively low, it is easy to industrialization produces.
Detailed description of the invention
Below embodiments of the invention are elaborated: the present embodiment is carried out under premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
The ceramic honey comb that the embodiment of the present invention adopts is purchased from Jiangxi Province's Pingxiang City three and pottery company limited, and specifications and models (diameter * height) are 37mm*57mm, triangular parallel duct.First ceramic honey comb is cut into cylinder that size (diameter * height) is about 1cm*2cm in an experiment.
Embodiment 1:
By stirring after aluminum isopropylate., phosphoric acid, water, tetramethyl guanidine (TMG) mixing until forming homogeneous gel, wherein the mol ratio of gel is 1P2O5:0.8Al2O3:0.6TMG:33H2O；The colloidal sol of synthesis is encased in together with ceramic honey comb in the stainless steel cauldron that liner is politef, crystallization 5 hours at 100 DEG C, after taking out cooling, by rinsed with deionized water to neutral, dries 6h for 100 DEG C, namely prepare monoblock type composite.
The absorption property evaluation of monoblock type composite diameter 10mm, long 50mm straight type quartz tube reactor in carry out, reacting gas volume space velocity (GHSV) is 1000～10000h-1, reaction carries out under room temperature atmospheric pressure environment, unstripped gas SO2Concentration is 26000ppm, and all the other are nitrogen.The monoblock type composite that the present embodiment prepares is at ambient temperature to SO2Purification efficiency be 23%.
Embodiment 2:
By stirring after aluminum isopropylate., phosphoric acid, water, tetramethyl guanidine mixing until forming homogeneous gel, wherein the mol ratio of gel is 1P2O5:0.8Al2O3:0.6TMG:0.12TPOAB:33H2O (wherein TPOAB is hexadecyldimethylamine oxygen radical siloxane reagent)；The colloidal sol of synthesis is encased in together with ceramic honey comb in the stainless steel cauldron that liner is politef, crystallization 24 hours at 100 DEG C, after taking out cooling, by rinsed with deionized water to neutral, dries 6h for 100 DEG C, namely prepare monoblock type composite.
The monoblock type composite that the present embodiment prepares is at ambient temperature to SO2Purification efficiency be 85.3%.
Embodiment 3:
By stirring after aluminum isopropylate., phosphoric acid, water, tetramethyl guanidine mixing until forming homogeneous gel, wherein the mol ratio of gel is 1P2O5:1Al2O3:0.6TMG:33H2O；The colloidal sol of synthesis is encased in together with ceramic honey comb in the stainless steel cauldron that liner is politef, crystallization 7 hours at 200 DEG C, after taking out cooling, by rinsed with deionized water to neutral, dries 6h for 100 DEG C, namely prepare monoblock type composite.
The monoblock type composite that the present embodiment prepares is at ambient temperature to SO2Purification efficiency be 76.4%.
Embodiment 4:
By stirring after aluminum isopropylate., phosphoric acid, water, tetramethyl guanidine mixing until forming homogeneous gel, wherein the mol ratio of gel is 1P2O5:0.8Al2O3:0.6TMG:33H2O；The colloidal sol of synthesis is encased in together with ceramic honey comb in the stainless steel cauldron that liner is politef, crystallization 7 hours at 180 DEG C, after taking out cooling, by rinsed with deionized water to neutral, dries 6h for 100 DEG C, namely prepare monoblock type composite.
The monoblock type composite that the present embodiment prepares is at ambient temperature to SO2Purification efficiency be 88.7%.
Embodiment 5:
By stirring after aluminum isopropylate., phosphoric acid, water, tetramethyl guanidine mixing until forming homogeneous gel, wherein the mol ratio of gel is 1P2O5:0.8Al2O3:0.6TMG:33H2O；The colloidal sol of synthesis is encased in together with ceramic honey comb in the stainless steel cauldron that liner is politef, crystallization 7 hours at 150 DEG C, after taking out cooling, by rinsed with deionized water to neutral, dries 6h for 100 DEG C, namely prepare monoblock type composite.
The monoblock type composite that the present embodiment prepares is at ambient temperature to SO2Purification efficiency be 90.6%.
Embodiment 6:
By stirring after aluminum isopropylate., phosphoric acid, water, tetramethyl guanidine mixing until forming homogeneous gel, wherein the mol ratio of gel is 1P2O5:0.8Al2O3:0.6TMG:33H2O；The colloidal sol of synthesis is encased in together with ceramic honey comb in the stainless steel cauldron that liner is politef, crystallization 5 hours at 150 DEG C, after taking out cooling, by rinsed with deionized water to neutral, dries 6h for 100 DEG C, namely prepare monoblock type composite.
The monoblock type composite that the present embodiment prepares is at ambient temperature to SO2Purification efficiency be 99.9%.
Embodiment 7:
By stirring after boehmite, phosphoric acid, Fluohydric acid., water, diisopropylamine (DIPA) mixing until forming homogeneous gel, wherein the mol ratio of gel is 1P2O5:0.8Al2O3:1DIPA:1HF:100H2O；The colloidal sol of synthesis is encased in together with ceramic honey comb in the stainless steel cauldron that liner is politef, crystallization 2 days at 180 DEG C, after taking out cooling, by rinsed with deionized water to neutral, dries 6h for 100 DEG C, namely prepare monoblock type composite.
The monoblock type composite that the present embodiment prepares is at ambient temperature to SO2Purification efficiency be 23.0%.
Embodiment 8:
By stirring after boehmite, phosphoric acid, Fluohydric acid., water, diisopropylamine mixing until forming homogeneous gel, wherein the mol ratio of gel is 1P2O5:0.8Al2O3:1DIPA:1HF:100H2O；The colloidal sol of synthesis is encased in together with ceramic honey comb in the stainless steel cauldron that liner is politef, crystallization 3 days at 180 DEG C, after taking out cooling, by rinsed with deionized water to neutral, dries 6h for 100 DEG C, namely prepare monoblock type composite.
The monoblock type composite that the present embodiment prepares is at ambient temperature to SO2Purification efficiency be 36.2%.
Embodiment 9:
By stirring after boehmite, phosphoric acid, Fluohydric acid., water, diisopropylamine mixing until forming homogeneous gel, wherein the mol ratio of gel is 1P2O5:1Al2O3:1DIPA:1HF:100H2O；The colloidal sol of synthesis is encased in together with ceramic honey comb in the stainless steel cauldron that liner is politef, crystallization 2 days at 180 DEG C, after taking out cooling, by rinsed with deionized water to neutral, dries 6h for 100 DEG C, namely prepare monoblock type composite.
The monoblock type composite that the present embodiment prepares is at ambient temperature to SO2Purification efficiency be 17.4%.
Embodiment 10:
By stirring after boehmite, phosphoric acid, Fluohydric acid., water, diisopropylamine mixing until forming homogeneous gel, wherein the mol ratio of gel is 1P2O5:1Al2O3:1DIPA:1HF:100H2O；The colloidal sol of synthesis is encased in together with ceramic honey comb in the stainless steel cauldron that liner is politef, crystallization 2 days at 200 DEG C, after taking out cooling, by rinsed with deionized water to neutral, dries 6h for 100 DEG C, namely prepare monoblock type composite.
The monoblock type composite that the present embodiment prepares is at ambient temperature to SO2Purification efficiency be 20.5%.
Embodiment 11:
By stirring after boehmite, phosphoric acid, water, morpholine mixing until forming homogeneous gel, wherein the mol ratio of gel is 1P2O5:1Al2O3: 2 morpholines: 50H2O；The colloidal sol of synthesis is encased in together with ceramic honey comb in the stainless steel cauldron that liner is politef, crystallization 3 days at 150 DEG C, after taking out cooling, by rinsed with deionized water to neutral, dries 6h for 100 DEG C, namely prepare monoblock type composite.
The monoblock type composite that the present embodiment prepares is at ambient temperature to SO2Purification efficiency be 18.5%.
Embodiment 12:
By stirring after boehmite, phosphoric acid, water, morpholine mixing until forming homogeneous gel, wherein the mol ratio of gel is 1P2O5:1Al2O3: 2 morpholines: 50H2O；The colloidal sol of synthesis is encased in together with ceramic honey comb in the stainless steel cauldron that liner is politef, crystallization 3 days at 180 DEG C, after taking out cooling, by rinsed with deionized water to neutral, dries 6h for 100 DEG C, namely prepare monoblock type composite.
The monoblock type composite that the present embodiment prepares is at ambient temperature to SO2Purification efficiency be 60.8%.
Embodiment 13:
By stirring after boehmite, phosphoric acid, water, morpholine mixing until forming homogeneous gel, wherein the mol ratio of gel is 1P2O5:1Al2O3: 2 morpholines: 50H2O；The colloidal sol of synthesis is encased in together with ceramic honey comb in the stainless steel cauldron that liner is politef, crystallization 6 days at 180 DEG C, after taking out cooling, by rinsed with deionized water to neutral, dries 6h for 100 DEG C, namely prepare monoblock type composite.
The monoblock type composite that the present embodiment prepares is at ambient temperature to SO2Purification efficiency be 51.3%.
Embodiment 14:
By stirring after boehmite, phosphoric acid, water, morpholine mixing until forming homogeneous gel, wherein the mol ratio of gel is 1P2O5:1Al2O3: 2 morpholines: 50H2O；The colloidal sol of synthesis is encased in together with ceramic honey comb in the stainless steel cauldron that liner is politef, crystallization 3 days at 200 DEG C, after taking out cooling, by rinsed with deionized water to neutral, dries 6h for 100 DEG C, namely prepare monoblock type composite.
The monoblock type composite that the present embodiment prepares is at ambient temperature to SO2Purification efficiency be 31.8%.
Embodiment 15:
By stirring after boehmite, phosphoric acid, water, morpholine mixing until forming homogeneous gel, wherein the mol ratio of gel is 1P2O5:1Al2O3: 6 morpholines: 50H2O；The colloidal sol of synthesis is encased in together with ceramic honey comb in the stainless steel cauldron that liner is politef, crystallization 3 days at 180 DEG C, after taking out cooling, by rinsed with deionized water to neutral, dries 6h for 100 DEG C, namely prepare monoblock type composite.
The monoblock type composite that the present embodiment prepares is at ambient temperature to SO2Purification efficiency be 63.2%.
Embodiment 16:
By stirring after aluminum isopropylate., phosphoric acid, copper nitrate, water, tetramethyl guanidine mixing until forming homogeneous gel, wherein the mol ratio of gel is 1P2O5:0.78Al2O3:0.6TMG:0.03Cu:33H2O；The colloidal sol of synthesis is encased in together with ceramic honey comb in the stainless steel cauldron that liner is politef, crystallization 5 hours at 150 DEG C, after taking out cooling, by rinsed with deionized water to neutral, dries 6h for 100 DEG C, namely prepare monoblock type composite.
The monoblock type composite that the present embodiment prepares is at ambient temperature to SO2Purification efficiency be 58.6%.
Embodiment 17:
By stirring after aluminum isopropylate., phosphoric acid, ferric nitrate, water, tetramethyl guanidine mixing until forming homogeneous gel, wherein the mol ratio of gel is 1P2O5:0.77Al2O3:0.6TMG:0.04Fe:33H2O；The colloidal sol of synthesis is encased in together with ceramic honey comb in the stainless steel cauldron that liner is politef, crystallization 5 hours at 150 DEG C, after taking out cooling, by rinsed with deionized water to neutral, dries 6h for 100 DEG C, namely prepare monoblock type composite.
The monoblock type composite that the present embodiment prepares is at ambient temperature to SO2Purification efficiency be 45.7%.
Embodiment 18:
By stirring after aluminum isopropylate., phosphoric acid, Ludox, water, tetramethyl guanidine mixing until forming homogeneous gel, wherein the mol ratio of gel is 1P2O5:0.7Al2O3:0.6TMG:0.06SiO2:33H2O；The colloidal sol of synthesis is encased in together with ceramic honey comb in the stainless steel cauldron that liner is politef, crystallization 5 hours at 150 DEG C, after taking out cooling, by rinsed with deionized water to neutral, dries 6h for 100 DEG C, namely prepare monoblock type composite.
The monoblock type composite that the present embodiment prepares is at ambient temperature to SO2Purification efficiency be 37.4%.
The structural property parameter of the micro-Mesoporous Aluminophosphate Molecular Sieves of table 1
Claims (10)
1. a monoblock type composite, with cordierite honeycomb ceramic for carrier, is mounted with micro-mesoporous aluminum phosphate material on cordierite honeycomb ceramic, and the internal immobilized organic amine of micro-mesoporous aluminum phosphate material；Described micro-mesoporous aluminum phosphate material is undoped p or doped with hetero atom, wherein hetero atom is one or more in Fe, Cu, Si, Ni, Co, Zn.
2. monoblock type composite as claimed in claim 1, it is characterised in that: described micro-mesoporous aluminum phosphate material is selected from undoped p or the micro-mesoporous AlPO-5 of doping, micro-mesoporous AlPO-11 or micro-mesoporous AlPO-34.
3. monoblock type composite as claimed in claim 2, it is characterised in that: in described micro-mesoporous aluminum phosphate material, phosphorus aluminum ratio is 2:1～1:3, and specific surface area is 70-520m2/ g, mesoporous pore volume is 0.10-0.50cm3/ g, Micropore volume is 0.05-0.18cm3/g。
4. the monoblock type composite as described in one of claims 1 to 3, it is characterised in that: organic amine is the combination of one or more in triethylamine, diisopropylamine, tetraethyl ammonium hydroxide, positive di-n-propylamine, TPAOH, morpholine, tetramethyl guanidine, tetraethyl guanidine, tetramethyl guanidine lactate.
5. the method preparing monoblock type composite as claimed in claim 1, including: water intaking thermal synthesis method prepares the raw material needed for micro-mesoporous aluminum phosphate material, described raw material includes aluminum source, phosphorus source and water, add organic amine as soft template, after mixing, stirring is until forming uniform crystallization colloidal sol, crystallization colloidal sol is loaded together with cordierite honeycomb ceramic carrier in reactor and carries out hydrothermal crystallizing, after taking out cooling through washing, dry obtain monoblock type composite.
6. method as claimed in claim 5, it is characterised in that: described micro-mesoporous aluminum phosphate material is AlPO4-5, required raw material is aluminum isopropylate., phosphoric acid and water, and the molar ratio of its Raw is according to P2O5:Al2O3:H2O is calculated as 1:0.8～1:30～40；
Or described micro-mesoporous aluminum phosphate material is AlPO4-5, required raw material is aluminum isopropylate., phosphoric acid, TPOAB and water, and the molar ratio of its Raw is according to P2O5:Al2O3:TPOAB:H2O is calculated as 1:0.8～1:0.1～0.3:30～40；
Or described micro-mesoporous aluminum phosphate material is AlPO4-11, required raw material is boehmite, phosphoric acid, Fluohydric acid. and water, and the molar ratio of its Raw is according to P2O5:Al2O3:HF:H2O is calculated as 1:0.8～1:1:80～120；
Or described micro-mesoporous aluminum phosphate material is AlPO4-34, required raw material is boehmite, phosphoric acid, water, and the molar ratio of its Raw is according to P2O5:Al2O3:H2O is calculated as 1:1:40～60；
The molar ratio of organic amine and phosphorus source is according to organic amine: P2O5It is calculated as 0.6～2:1.
7. method as claimed in claim 6, it is characterized in that: hydrothermal synthesis method prepare micro-mesoporous aluminum phosphate material needed for raw material in be additionally added containing heteroatomic raw material, being its corresponding water soluble salt or Ludox containing heteroatomic raw material, the molar ratio containing heteroatomic raw material and phosphorus source is according to P2O5: hetero atom is calculated as 1:0.03～0.06.
8. the method as described in claim 5 or 6, it is characterised in that: the temperature of hydrothermal crystallizing is between 100 DEG C～200 DEG C, and crystallization time is between 5 hours～6 days.
9. method as claimed in claim 8, it is characterised in that: described micro-mesoporous aluminum phosphate material is AlPO4-5, then crystallization temperature is 100～200 DEG C, and crystallization time is 5h～24h；Or described micro-mesoporous aluminum phosphate material is AlPO4-11, then crystallization temperature is 180～200 DEG C, and crystallization time is 2d～3d；Or described micro-mesoporous aluminum phosphate material is AlPO4-34, then crystallization temperature is 150～200 DEG C, and crystallization time is 3d～6d.
10. monoblock type composite application in flue gas desulfurization as claimed in claim 1.
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| CN1377294A (en) * | 1999-09-30 | 2002-10-30 | 加斯特克股份有限公司 | Process for the removal of sulphur compounds from gases |
| CN101049572A (en) * | 2007-04-20 | 2007-10-10 | 凯里学院 | Method for synthesizing MeAlP04 mesoporous material in low temperature and solid phase |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1377294A (en) * | 1999-09-30 | 2002-10-30 | 加斯特克股份有限公司 | Process for the removal of sulphur compounds from gases |
| CN101049572A (en) * | 2007-04-20 | 2007-10-10 | 凯里学院 | Method for synthesizing MeAlP04 mesoporous material in low temperature and solid phase |
Non-Patent Citations (1)
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| JIN XU ET AL.: ""Fast and Highly Efficient SO2 Capture by TMG Immobilized on Hierarchical Micro-Meso-Macroporous AIPO-5/Cordierite Honeycomb Ceramic Materials"", 《CHEMICAL COMMUNICATIONS》 * |
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