CN108704607A - A kind of preparation method of Y type molecular sieve air purifying preparation - Google Patents
A kind of preparation method of Y type molecular sieve air purifying preparation Download PDFInfo
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- CN108704607A CN108704607A CN201810527992.1A CN201810527992A CN108704607A CN 108704607 A CN108704607 A CN 108704607A CN 201810527992 A CN201810527992 A CN 201810527992A CN 108704607 A CN108704607 A CN 108704607A
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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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/16—Alumino-silicates
- B01J20/18—Synthetic zeolitic molecular sieves
- B01J20/186—Chemical treatments in view of modifying the properties of the sieve, e.g. increasing the stability or the activity, also decreasing the activity
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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
- B01D53/007—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 irradiation
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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
- B01D53/02—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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- 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
- B01D53/38—Removing components of undefined structure
- B01D53/44—Organic components
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- 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
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Abstract
A kind of preparation method of Y type molecular sieve air purifying preparation, belongs to air pollution field of purification, including following processing steps：Y type molecular sieve is modified using aqueous citric acid solution, filters, is rinsed with deionized water, it is dry；Titanium film crosslinking is carried out to Y type molecular sieve in absolute ethyl alcohol, Macrogol 6000, tetrabutyl titanate mixed solution；Ti-Si-Al-O bondings are carried out in stainless steel autoclave, are filtered, it is dry；It is activated, is filtered in hydrochloric acid solution, rinsed, it is dry to get to Y type molecular sieve air purifying preparation.Not only retain original adsorption capacity, while a variety of organic and inorganic pollution in air can be decomposed under light illumination, to have the function that continuous purification air.
Description
Technical field
The invention belongs to air pollution field of purification, and in particular to a kind of preparation method of Y type molecular sieve air purifying preparation.
Background technology
Y type molecular sieve is a kind of crystalline microporous material with skeleton structure, and the most basic structural unit for constituting skeleton is
Silica and aluminum-oxygen tetrahedron, these tetrahedrons form the secondary structures such as four-membered ring, hexatomic ring, octatomic ring by Si-O or Al-O keys
Unit.It is spelled mutually and is taken by these secondary building units again, form β cages.8 β cages are according to diamond crystal pattern, diamond
Each carbon atom is replaced by a β cage in structure, and adjacent β cages are coupled by hexatomic ring with Si-O-Si (Al), and octahedral is formed
Zeolite cages are interpenetrated by twelve-ring along three crystalline axis directions between octahedral zeolite cage, and a structure cell is formed.Twelve-ring
It is the primary window of faujasite, aperture is about 0.74nm.Its adsorption capacity is high, selectivity is strong, high temperature resistant.It is widely used in
Organic chemical industry and petrochemical industry, are also paid more and more attention on waste gas purification.Y type molecular sieve can adsorb the nuisance in air
Matter can be widely applied to the purification of industry and civilian various environment to pollution air to have the function that purify air.Y types
Molecular sieve cannot be further continued for adsorbing more pollutants after absorption pollutant saturation, it is necessary to desorption and regeneration ability is carried out to it
It is continuing with.Thus, Y type molecular sieve is modified so that it has the ability of decomposing pollutant, continual can be adsorbed
And remove pollutant.The relevant technologies have very extensive application prospect.
Invention content
In view of the problems of the existing technology, the present invention is intended to provide a kind of preparation side of Y type molecular sieve air purifying preparation
Method, such Y type molecular sieve can remove the multiple pollutant in air.
The technical solution adopted by the present invention is：
A kind of preparation method of Y type molecular sieve air purifying preparation, including following processing steps：
Step 1：Citric acid-modified
1.1 take 1,500mL beakers, 350mL deionized waters, 6 ~ 8g citric acids, 15 ~ 20g Y type molecular sieves are sequentially added, in room
Temperature is lower to stir 80min；
1.2 filter said mixture, are rinsed repeatedly with deionized water, obtain solids；
Solids is placed 12h by 1.3 in 150 DEG C of baking ovens, obtains dry citric acid-modified Y type molecular sieve.
Step 2：Molecular sieve titanium film is crosslinked
2.1 sequentially add 300mL absolute ethyl alcohols, 5 ~ 7g Macrogol 6000s, 3 ~ 5mL tetrabutyl titanates in 500mL flasks,
75 DEG C of solution temperature is kept, flow back 30min；
2.2 are added 10g citric acid-modified Y type molecular sieves in above-mentioned solution, continue to keep 75 DEG C of solidliquid mixture temperature, return
Flow 30min.
Step 3：Ti-Si-Al-O is bonded
3.1 solidliquid mixtures for obtaining step 2.2 move into stainless steel autoclave, keep 190 DEG C of reaction temperature, reaction
System pressure is not more than 0.3MPa, reacts 52 h, then cools to room temperature；
3.2 filter said mixture, obtain solids；
Solids is placed 12h by 3.3 in 150 DEG C of baking ovens, obtains dry bonding Y type molecular sieve.
Step 4：Acid activation
4.1 are added the hydrochloric acid solution 300mL of 0.8mol/L in 500mL flasks, place into dry bonding Y type molecular sieve, protect
85 DEG C of solution temperature is held, flow back 120min, then cools to room temperature；
4.2 filter said mixture, are rinsed repeatedly with deionized water, obtain solids；
4.3 place in 210 DEG C of baking ovens solids 30h to get to Y type molecular sieve air purifying preparation.
The various chemical raw materials are all pure material.
Compared with the prior art, the advantages of the present invention are as follows：
The present invention is by citric acid-modified, the crosslinking of molecular sieve titanium film, Ti-Si-Al-O bondings and acid activation serial procedures, in sial
The Y type molecular sieve surface of oxygen ingredient is prepared for titanium sial crosslinking bonding oxide, while remaining the distinctive three-dimensional of Y type molecular sieve
Duct cell configuration.Prepared Y type molecular sieve not only retains original adsorption capacity, while can decompose air under light illumination
In a variety of organic and inorganic pollution, to have the function that continuous purification air.This Y type molecular sieve air purifying preparation exists
It need not be replaced as frequently as regenerating in use, have been widely used in various indoor and outdoor air field of purification tool.
Specific implementation mode
Embodiment 1
A kind of preparation method of Y type molecular sieve air purifying preparation, including following processing steps：
Step 1：Citric acid-modified
1.1 take 1,500mL beakers, sequentially add 350mL deionized waters, 6g citric acids, 15g Y type molecular sieves, at room temperature
Stir 80min；
1.2 filter said mixture, are rinsed repeatedly with deionized water, obtain solids；
Solids is placed 12h by 1.3 in 150 DEG C of baking ovens, obtains dry citric acid-modified Y type molecular sieve.
Step 2：Molecular sieve titanium film is crosslinked
2.1 sequentially add 300mL absolute ethyl alcohols, 5g Macrogol 6000s, 3mL tetrabutyl titanates in 500mL flasks, keep
75 DEG C of solution temperature, flow back 30min；
2.2 are added 10g citric acid-modified Y type molecular sieves in above-mentioned solution, continue to keep 75 DEG C of solidliquid mixture temperature, return
Flow 30min.
Step 3：Ti-Si-Al-O is bonded
3.1 solidliquid mixtures for obtaining step 2.2 move into stainless steel autoclave, keep 190 DEG C of reaction temperature, reaction
System pressure 0.27MPa reacts 52 h, then cools to room temperature；
3.2 filter said mixture, obtain solids；
Solids is placed 12h by 3.3 in 150 DEG C of baking ovens, obtains dry bonding Y type molecular sieve.
Step 4：Acid activation
4.1 are added the hydrochloric acid solution 300mL of 0.8mol/L in 500mL flasks, place into dry bonding Y type molecular sieve, protect
85 DEG C of solution temperature is held, flow back 120min, then cools to room temperature；
4.2 filter said mixture, are rinsed repeatedly with deionized water, obtain solids；
4.3 place in 210 DEG C of baking ovens solids 30h to get to Y type molecular sieve air purifying preparation.
Embodiment 2
A kind of preparation method of Y type molecular sieve air purifying preparation, including following processing steps：
Step 1：Citric acid-modified
1.1 take 1,500mL beakers, sequentially add 350mL deionized waters, 7g citric acids, 18g Y type molecular sieves, at room temperature
Stir 80min；
1.2 filter said mixture, are rinsed repeatedly with deionized water, obtain solids；
Solids is placed 12h by 1.3 in 150 DEG C of baking ovens, obtains dry citric acid-modified Y type molecular sieve.
Step 2：Molecular sieve titanium film is crosslinked
2.1 sequentially add 300mL absolute ethyl alcohols, 6g Macrogol 6000s, 4mL tetrabutyl titanates in 500mL flasks, keep
75 DEG C of solution temperature, flow back 30min；
2.2 are added 10g citric acid-modified Y type molecular sieves in above-mentioned solution, continue to keep 75 DEG C of solidliquid mixture temperature, return
Flow 30min.
Step 3：Ti-Si-Al-O is bonded
3.1 solidliquid mixtures for obtaining step 2.2 move into stainless steel autoclave, keep 190 DEG C of reaction temperature, reaction
System pressure 0.22MPa reacts 52 h, then cools to room temperature；
3.2 filter said mixture, obtain solids；
Solids is placed 12h by 3.3 in 150 DEG C of baking ovens, obtains dry bonding Y type molecular sieve.
Step 4：Acid activation
4.1 are added the hydrochloric acid solution 300mL of 0.8mol/L in 500mL flasks, place into dry bonding Y type molecular sieve, protect
85 DEG C of solution temperature is held, flow back 120min, then cools to room temperature；
4.2 filter said mixture, are rinsed repeatedly with deionized water, obtain solids；
4.3 place in 210 DEG C of baking ovens solids 30h to get to Y type molecular sieve air purifying preparation.
Embodiment 3
A kind of preparation method of Y type molecular sieve air purifying preparation, including following processing steps：
Step 1：Citric acid-modified
1.1 take 1,500mL beakers, sequentially add 350mL deionized waters, 8g citric acids, 20g Y type molecular sieves, at room temperature
Stir 80min；
1.2 filter said mixture, are rinsed repeatedly with deionized water, obtain solids；
Solids is placed 12h by 1.3 in 150 DEG C of baking ovens, obtains dry citric acid-modified Y type molecular sieve.
Step 2：Molecular sieve titanium film is crosslinked
2.1 sequentially add 300mL absolute ethyl alcohols, 7g Macrogol 6000s, 5mL tetrabutyl titanates in 500mL flasks, keep
75 DEG C of solution temperature, flow back 30min；
2.2 are added 10g citric acid-modified Y type molecular sieves in above-mentioned solution, continue to keep 75 DEG C of solidliquid mixture temperature, return
Flow 30min.
Step 3：Ti-Si-Al-O is bonded
3.1 solidliquid mixtures for obtaining step 2.2 move into stainless steel autoclave, keep 190 DEG C of reaction temperature, reaction
System pressure 0.3MPa reacts 52 h, then cools to room temperature；
3.2 filter said mixture, obtain solids；
Solids is placed 12h by 3.3 in 150 DEG C of baking ovens, obtains dry bonding Y type molecular sieve.
Step 4：Acid activation
4.1 are added the hydrochloric acid solution 300mL of 0.8mol/L in 500mL flasks, place into dry bonding Y type molecular sieve, protect
85 DEG C of solution temperature is held, flow back 120min, then cools to room temperature；
4.2 filter said mixture, are rinsed repeatedly with deionized water, obtain solids；
4.3 place in 210 DEG C of baking ovens solids 30h to get to Y type molecular sieve air purifying preparation.
Claims (1)
1. a kind of preparation method of Y type molecular sieve air purifying preparation, which is characterized in that the preparation method includes following technique steps
Suddenly：
Step 1：Citric acid-modified
1.1 take 1,500mL beakers, 350mL deionized waters, 6 ~ 8g citric acids, 15 ~ 20g Y type molecular sieves are sequentially added, in room
Temperature is lower to stir 80min；
1.2 filter said mixture, are rinsed repeatedly with deionized water, obtain solids；
Solids is placed 12h by 1.3 in 150 DEG C of baking ovens, obtains dry citric acid-modified Y type molecular sieve；
Step 2：Molecular sieve titanium film is crosslinked
2.1 sequentially add 300mL absolute ethyl alcohols, 5 ~ 7g Macrogol 6000s, 3 ~ 5mL tetrabutyl titanates in 500mL flasks,
75 DEG C of solution temperature is kept, flow back 30min；
2.2 are added 10g citric acid-modified Y type molecular sieves in above-mentioned solution, continue to keep 75 DEG C of solidliquid mixture temperature, return
Flow 30min；
Step 3：Ti-Si-Al-O is bonded
3.1 solidliquid mixtures for obtaining step 2.2 move into stainless steel autoclave, keep 190 DEG C of reaction temperature, reaction
System pressure is not more than 0.3MPa, reacts 52 h, then cools to room temperature；
3.2 filter said mixture, obtain solids；
Solids is placed 12h by 3.3 in 150 DEG C of baking ovens, obtains dry bonding Y type molecular sieve；
Step 4：Acid activation
4.1 are added the hydrochloric acid solution 300mL of 0.8mol/L in 500mL flasks, place into dry bonding Y type molecular sieve, protect
85 DEG C of solution temperature is held, flow back 120min, then cools to room temperature；
4.2 filter said mixture, are rinsed repeatedly with deionized water, obtain solids；
4.3 place in 210 DEG C of baking ovens solids 30h to get to Y type molecular sieve air purifying preparation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810527992.1A CN108704607B (en) | 2018-05-29 | 2018-05-29 | Preparation method of Y-type molecular sieve air purifying agent |
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| CN201810527992.1A CN108704607B (en) | 2018-05-29 | 2018-05-29 | Preparation method of Y-type molecular sieve air purifying agent |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1398665A (en) * | 2002-09-10 | 2003-02-26 | 天津大学 | Synthesis of photocatalyst for mesoporous TiO2 nano molecular sieve film |
| CN101417234A (en) * | 2007-10-24 | 2009-04-29 | 中国科学院大连化学物理研究所 | Preparation method of catalyst for shape-selective alkylation of naphthalene to produce 2,6-di(tert butyl)naphthalene |
| CN104056656A (en) * | 2014-06-26 | 2014-09-24 | 沈阳理工大学 | Molecular sieve with photocatalystic purification function and preparation method thereof |
-
2018
- 2018-05-29 CN CN201810527992.1A patent/CN108704607B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1398665A (en) * | 2002-09-10 | 2003-02-26 | 天津大学 | Synthesis of photocatalyst for mesoporous TiO2 nano molecular sieve film |
| CN101417234A (en) * | 2007-10-24 | 2009-04-29 | 中国科学院大连化学物理研究所 | Preparation method of catalyst for shape-selective alkylation of naphthalene to produce 2,6-di(tert butyl)naphthalene |
| CN104056656A (en) * | 2014-06-26 | 2014-09-24 | 沈阳理工大学 | Molecular sieve with photocatalystic purification function and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| JIA-JIE WANG,ET.AL.: "Preparation of 13X from Waste Quartz and Photocatalytic Reaction of Methyl Orange on TiO2/ZSM-5,13X and Y-Zeolite", 《J. NANOSCI. NANOTECHNOL.》 * |
| 韩文红: "分子筛负载TiO2光催化材料制备研究进展", 《广东化工》 * |
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Effective date of registration: 20221209 Address after: 518000 429, Building 424, Bagualing Industrial Zone, No. 150, Bagualing Third Road, Hualin Community, Yuanling Street, Futian District, Shenzhen, Guangdong Patentee after: Youkang Weishi Environmental Technology Development (Shenzhen) Co.,Ltd. Address before: 314500 Tongxiang, Jiaxing, Zhejiang, Wutong Street East Road (East) 55, Tongxiang chamber of Commerce Building 1 unit 1702, 1703 room -D-405 Patentee before: Jiaxing Ruyun Construction Technology Co.,Ltd. |
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