CN114100567A - Preparation method of porous spherical molecular sieve VOCs adsorbent - Google Patents
Preparation method of porous spherical molecular sieve VOCs adsorbent Download PDFInfo
- Publication number
- CN114100567A CN114100567A CN202110733515.2A CN202110733515A CN114100567A CN 114100567 A CN114100567 A CN 114100567A CN 202110733515 A CN202110733515 A CN 202110733515A CN 114100567 A CN114100567 A CN 114100567A
- Authority
- CN
- China
- Prior art keywords
- molecular sieve
- mixture
- box
- drying
- pore
- 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.)
- Pending
Links
- 239000002808 molecular sieve Substances 0.000 title claims abstract description 91
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 238000002360 preparation method Methods 0.000 title claims abstract description 35
- 239000003463 adsorbent Substances 0.000 title claims abstract description 28
- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 27
- 238000001035 drying Methods 0.000 claims abstract description 58
- 239000000463 material Substances 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 32
- 239000000835 fiber Substances 0.000 claims abstract description 32
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 31
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 31
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 29
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 29
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000006187 pill Substances 0.000 claims abstract description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims description 39
- 239000002245 particle Substances 0.000 claims description 39
- 238000002156 mixing Methods 0.000 claims description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 20
- 229910052782 aluminium Inorganic materials 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 17
- 238000005469 granulation Methods 0.000 claims description 15
- 230000003179 granulation Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- 238000005303 weighing Methods 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 238000011049 filling Methods 0.000 claims description 5
- 239000008187 granular material Substances 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000001099 ammonium carbonate Substances 0.000 claims description 3
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 3
- 229960000892 attapulgite Drugs 0.000 claims description 3
- 239000000440 bentonite Substances 0.000 claims description 3
- 229910000278 bentonite Inorganic materials 0.000 claims description 3
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 3
- 229910052625 palygorskite Inorganic materials 0.000 claims description 3
- 239000005909 Kieselgur Substances 0.000 claims description 2
- 239000004113 Sepiolite Substances 0.000 claims description 2
- 229910052624 sepiolite Inorganic materials 0.000 claims description 2
- 235000019355 sepiolite Nutrition 0.000 claims description 2
- 244000275012 Sesbania cannabina Species 0.000 claims 1
- 239000011148 porous material Substances 0.000 abstract description 7
- 241000219782 Sesbania Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052875 vesuvianite Inorganic materials 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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
- 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
-
- 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
-
- 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
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
-
- 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
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a preparation method of a porous spherical molecular sieve VOCs adsorbent, which comprises the following steps: s1, preparation: firstly, preparing a 5A molecular sieve, a 13X molecular sieve, a Y molecular sieve, kaolin, an electronic scale, a plurality of placing boxes, a reactor, polyvinyl alcohol fiber yarns, a pore-forming agent, alumina sol and water, placing various materials in places which are easy to take, then preparing a pill making machine, a baking box and a drying box, testing whether the pill making machine, the baking box and the drying box can normally work by electrifying, and finally wearing gloves and a mask for preparation; s2, proportioning materials; s3, preparation stage; s4, granulating; s5, drying; s6, roasting; s7, taking out. The invention has reasonable structure, hollow pore canal and developed pore structure on macroscopic scale, and can effectively adsorb VOCs and reduce resistance.
Description
Technical Field
The invention relates to the technical field of adsorption materials, in particular to a preparation method of a porous spherical molecular sieve VOCs adsorbent.
Background
The molecular sieve is a porous material, and has the characteristics of regular and ordered pore channels, large specific surface area, high pore volume, loss resistance, good thermal stability, easy desorption and the like, so the molecular sieve is widely used as an adsorption material. At present, the granular zeolite molecular sieve adsorbing material is widely applied.
However, the application of molecular sieves in absorbing VOCs is very rare, mainly because a fixed bed layer filled with the particle molecular sieve adsorbent has large pressure drop, large mass and heat transfer resistance and low fluid contact efficiency, a preparation method of the porous spherical molecular sieve VOCs adsorbent is needed to solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a preparation method of a porous spherical molecular sieve VOCs adsorbent, which has a hollow pore passage on a macroscopic scale and a developed pore structure, can effectively adsorb VOCs and reduce resistance.
In order to achieve the purpose, the invention adopts the following technical scheme:
a preparation method of porous spherical molecular sieve VOCs adsorbent comprises the following steps:
s1, preparation: firstly, preparing a 5A molecular sieve, a 13X molecular sieve, a Y molecular sieve, kaolin, an electronic scale, a plurality of placing cabinets, a reactor, polyvinyl alcohol fiber yarns, a pore-forming agent, alumina sol and water, placing various materials in places which are easy to take, then preparing a pill making machine, a baking box and a drying box, testing whether the pill making machine, the baking box and the drying box can normally work by electrifying, and finally wearing gloves and a mask for preparation;
s2, mixing the following materials: weighing the material by using an electronic scale, wherein the weighing requires that the weight of the molecular sieve accounts for 50-55% of the total mass, the weight of the aluminum sol accounts for 5-10% of the total mass, the weight of the water accounts for 25-30% of the total mass, the weight of the kaolin accounts for 5-10% of the total mass, the weight of the polyvinyl alcohol fiber wire accounts for 1-3% of the total mass, the weight of the pore-forming agent accounts for 1-3% of the total mass, and the weight accounts for 1-2% of the total mass, and then placing the weighed material into a plurality of placing cabinets;
s3, preparation stage: putting 50-55% of 5A molecular sieve, 5-10% of kaolin, 1-3% of polyvinyl alcohol fiber filaments, 1-3% of pore-forming agent and 1-2% of the mixture into a reactor according to a proportion, fully mixing to obtain a mixture, adding 5-10% of aluminum sol and 25-30% of water into the mixture, uniformly stirring to obtain a wet mud material, putting 50-55% of 13X molecular sieve, 5-10% of kaolin, 1-3% of polyvinyl alcohol fiber filaments, 1-3% of pore-forming agent and 1-2% of the mixture into the reactor according to a proportion, fully mixing to obtain a mixture, adding 5-10% of aluminum sol and 25-30% of water into the mixture, uniformly stirring to obtain a wet mud material, adding 50-55% of Y molecular sieve, mixing with 25-30% of water, uniformly stirring to obtain a wet mud material, adding 50-55% of Y molecular sieve, Adding 5-10% of kaolin, 1-3% of polyvinyl alcohol fiber, 1-3% of pore-forming agent and 1-2% of pore-forming agent into a reactor according to a proportion, fully and uniformly mixing to obtain a mixture, adding 5-10% of aluminum sol and 25-30% of water into the mixture, and uniformly stirring to obtain wet mud;
s4, granulation process: respectively putting the prepared three wet mud materials into a granulator for granulation, wherein the particle size of the processed molecular sieve is 3-6mm, and then re-filling the granules after the granulation into a reactor;
s5, drying: drying the molecular sieve particles in a drying box, then opening a switch of the drying box, setting the temperature and the time, wherein the set drying temperature is 80 ℃, the set drying time is 12 hours, and the particles need to be continuously turned over in the drying process, so that the drying effect of the molecular sieve particles is better;
s6, roasting process: putting molecular sieve particles into a roasting box, then opening a switch of the roasting box, and setting the temperature and the time, wherein the set roasting temperature is 500 ℃ and the roasting time is 5 hours;
s7, taking out: closing the roasting box, wearing gloves after the molecular sieve particles are cooled, taking out the particles in the roasting box, obtaining porous granular molecular sieve VOCs adsorbent, putting the granular molecular sieve VOCs adsorbent into a moisture-proof box for storage, finally arranging a workbench, pulling out power lines of the pelleting machine, the roasting box and the drying box, cleaning a machine and a bearing container, and completing preparation.
Preferably, the polyvinyl alcohol fiber yarn has a diameter of 1-50 μm and a length 0.5mm shorter than the particle size of the adsorbent.
Preferably, the pore-forming agent is one of ammonium carbonate, activated carbon and sesbania powder.
Preferably, the kaolin may be replaced by attapulgite powder, bentonite, diatomaceous earth, or vesuvianite powder.
Preferably, the glove is a high temperature resistant glove, the surface of which is smooth.
Compared with the prior art, the invention has the beneficial effects that:
1. the VOCs adsorbent prepared by the method has through channels and a higher specific surface area, and can effectively adsorb VOCs and reduce the wind resistance of the adsorbent filler.
2. The preparation method of the VOCs adsorbent is simple and convenient to operate, simple in material taking, green, environment-friendly and low in cost, and is beneficial to competition of the industry.
Detailed Description
The present invention will be described in detail with reference to the following embodiments in order to make the aforementioned objects, features and advantages of the invention more comprehensible. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention can be embodied in many different forms than those herein described and one skilled in the art can make similar modifications without departing from the spirit of the invention and it is therefore not limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
The present invention will be further illustrated with reference to the following specific examples.
Example one
The invention provides a preparation method of a porous spherical molecular sieve VOCs adsorbent, which comprises the following steps:
s1, preparation: firstly, preparing a 5A molecular sieve, a 13X molecular sieve, a Y molecular sieve, kaolin, an electronic scale, a plurality of placing cabinets, a reactor, polyvinyl alcohol fiber yarns, a pore-forming agent, alumina sol and water, placing various materials in places which are easy to take, then preparing a pill making machine, a baking box and a drying box, testing whether the pill making machine, the baking box and the drying box can normally work by electrifying, and finally wearing gloves and a mask for preparation;
s2, mixing the following materials: weighing the material by using an electronic scale, wherein the weighing requires that the weight of the molecular sieve accounts for 50% of the total mass, the weight of the aluminum sol accounts for 10% of the total mass, the weight of the water accounts for 30% of the total mass, the weight of the kaolin accounts for 5% of the total mass, the weight of the polyvinyl alcohol fiber wire accounts for 2% of the total mass, the weight of the pore-forming agent accounts for 1% of the total mass, the weight accounts for 2% of the total mass, and then placing the weighed material into a plurality of placing cabinets;
s3, preparation stage: putting 50% of 5A molecular sieve, 5% of kaolin, 2% of polyvinyl alcohol fiber filaments, 1% of pore-forming agent and 2% of water into a reactor according to a proportion, fully mixing to obtain a mixture, adding 10% of aluminum sol and 30% of water into the mixture, stirring uniformly to obtain wet mud, adding 50% of 13X molecular sieve, 5% of kaolin, 2% of polyvinyl alcohol fiber filaments, 1% of pore-forming agent and 2% of water into the reactor according to a proportion, fully mixing to obtain a mixture, adding 10% of aluminum sol and 30% of water into the mixture, stirring uniformly to obtain wet mud, putting 50% of Y molecular sieve, 5% of kaolin, 2% of polyvinyl alcohol fiber filaments, 1% of pore-forming agent and 2% of water into the reactor according to a proportion, fully mixing to obtain a mixture, adding 10% of aluminum sol and 30% of water into the mixture, stirring uniformly to obtain wet pug;
s4, granulation process: respectively putting the prepared three wet mud materials into a granulator for granulation, wherein the particle size of the processed molecular sieve is 4mm, and then re-filling the granules after the granulation into a reactor;
s5, drying: drying the molecular sieve particles in a drying box, then opening a switch of the drying box, setting the temperature and the time, wherein the set drying temperature is 80 ℃, the set drying time is 12 hours, and the particles need to be continuously turned over in the drying process, so that the drying effect of the molecular sieve particles is better;
s6, roasting process: putting molecular sieve particles into a roasting box, then opening a switch of the roasting box, and setting the temperature and the time, wherein the set roasting temperature is 500 ℃ and the roasting time is 5 hours;
s7, taking out: closing the roasting box, wearing gloves after the molecular sieve particles are cooled, taking out the particles in the roasting box, obtaining porous granular molecular sieve VOCs adsorbent, putting the granular molecular sieve VOCs adsorbent into a moisture-proof box for storage, finally arranging a workbench, pulling out power lines of the pelleting machine, the roasting box and the drying box, cleaning a machine and a bearing container, and completing preparation.
Example two
The invention provides a preparation method of a porous spherical molecular sieve VOCs adsorbent, which comprises the following steps:
s1, preparation: firstly, preparing a 5A molecular sieve, a 13X molecular sieve, a Y molecular sieve, kaolin, an electronic scale, a plurality of placing cabinets, a reactor, polyvinyl alcohol fiber yarns, a pore-forming agent, alumina sol and water, placing various materials in places which are easy to take, then preparing a pill making machine, a baking box and a drying box, testing whether the pill making machine, the baking box and the drying box can normally work by electrifying, and finally wearing gloves and a mask for preparation;
s2, mixing the following materials: weighing the material by using an electronic scale, wherein the weighing requires that the weight of the molecular sieve accounts for 55% of the total mass, the weight of the aluminum sol accounts for 8% of the total mass, the weight of the water accounts for 25% of the total mass, the weight of the kaolin accounts for 8% of the total mass, the weight of the polyvinyl alcohol fiber wire accounts for 1% of the total mass, the weight of the pore-forming agent accounts for 2% of the total mass, the weight accounts for 1% of the total mass, and then placing the weighed material into a plurality of placing cabinets;
s3, preparation stage: putting 55% of 5A molecular sieve, 8% of kaolin, 1% of polyvinyl alcohol fiber, 2% of pore-forming agent and 1% of water into a reactor according to a proportion, fully mixing to obtain a mixture, adding 8% of aluminum sol and 25% of water into the mixture, stirring uniformly to obtain wet mud, putting 55% of 13X molecular sieve, 8% of kaolin, 1% of polyvinyl alcohol fiber, 2% of pore-forming agent and 1% of water into the reactor according to a proportion, fully mixing to obtain a mixture, adding 8% of aluminum sol and 25% of water into the mixture, stirring uniformly to obtain wet mud, putting 55% of Y molecular sieve, 8% of kaolin, 1% of polyvinyl alcohol fiber, 2% of pore-forming agent and 1% of water into the reactor according to a proportion, fully mixing to obtain a mixture, adding 8% of aluminum sol and 25% of water into the mixture, stirring uniformly to obtain wet pug;
s4, granulation process: respectively putting the prepared three wet mud materials into a granulator for granulation, wherein the particle size of the processed molecular sieve is 6mm, and then re-filling the granules after the granulation into a reactor;
s5, drying: drying the molecular sieve particles in a drying box, then opening a switch of the drying box, setting the temperature and the time, wherein the set drying temperature is 80 ℃, the set drying time is 12 hours, and the particles need to be continuously turned over in the drying process, so that the drying effect of the molecular sieve particles is better;
s6, roasting process: putting molecular sieve particles into a roasting box, then opening a switch of the roasting box, and setting the temperature and the time, wherein the set roasting temperature is 500 ℃ and the roasting time is 5 hours;
s7, taking out: closing the roasting box, wearing gloves after the molecular sieve particles are cooled, taking out the particles in the roasting box, obtaining porous granular molecular sieve VOCs adsorbent, putting the granular molecular sieve VOCs adsorbent into a moisture-proof box for storage, finally arranging a workbench, pulling out power lines of the pelleting machine, the roasting box and the drying box, cleaning a machine and a bearing container, and completing preparation.
EXAMPLE III
The invention provides a preparation method of a porous spherical molecular sieve VOCs adsorbent, which comprises the following steps:
s1, preparation: firstly, preparing a 5A molecular sieve, a 13X molecular sieve, a Y molecular sieve, kaolin, an electronic scale, a plurality of placing cabinets, a reactor, polyvinyl alcohol fiber yarns, a pore-forming agent, alumina sol and water, placing various materials in places which are easy to take, then preparing a pill making machine, a baking box and a drying box, testing whether the pill making machine, the baking box and the drying box can normally work by electrifying, and finally wearing gloves and a mask for preparation;
s2, mixing the following materials: weighing the material by using an electronic scale, wherein the weighing requires that the weight of the molecular sieve accounts for 53 percent of the total mass, the weight of the aluminum sol accounts for 6 percent of the total mass, the weight of the water accounts for 27 percent of the total mass, the weight of the kaolin accounts for 7 percent of the total mass, the weight of the polyvinyl alcohol fiber wire accounts for 3 percent of the total mass, the weight of the pore-forming agent accounts for 3 percent of the total mass, the weight accounts for 1 percent of the total mass, and then placing the weighed material into a plurality of placing cabinets;
s3, preparation stage: putting 53% of 5A molecular sieve, 7% of kaolin, 3% of polyvinyl alcohol fiber, 3% of pore-forming agent and 1% of water into a reactor according to a proportion, fully mixing to obtain a mixture, adding 6% of aluminum sol and 27% of water into the mixture, stirring uniformly to obtain wet mud, adding 53% of 13X molecular sieve, 7% of kaolin, 3% of polyvinyl alcohol fiber, 3% of pore-forming agent and 1% of water into the reactor according to a proportion, fully mixing to obtain a mixture, adding 6% of aluminum sol and 27% of water into the mixture, stirring uniformly to obtain wet mud, putting 53% of Y molecular sieve, 7% of kaolin, 3% of polyvinyl alcohol fiber, 3% of pore-forming agent and 1% of water into the reactor according to a proportion, fully mixing to obtain a mixture, adding 6% of aluminum sol and 27% of water into the mixture, stirring uniformly to obtain wet pug;
s4, granulation process: respectively putting the prepared three wet mud materials into a granulator for granulation, wherein the particle size of the processed molecular sieve is 5mm, and then re-filling the granules after the granulation into a reactor;
s5, drying: drying the molecular sieve particles in a drying box, then opening a switch of the drying box, setting the temperature and the time, wherein the set drying temperature is 80 ℃, the set drying time is 12 hours, and the particles need to be continuously turned over in the drying process, so that the drying effect of the molecular sieve particles is better;
s6, roasting process: putting molecular sieve particles into a roasting box, then opening a switch of the roasting box, and setting the temperature and the time, wherein the set roasting temperature is 500 ℃ and the roasting time is 5 hours;
s7, taking out: closing the roasting box, wearing gloves after the molecular sieve particles are cooled, taking out the particles in the roasting box, obtaining porous granular molecular sieve VOCs adsorbent, putting the granular molecular sieve VOCs adsorbent into a moisture-proof box for storage, finally arranging a workbench, pulling out power lines of the pelleting machine, the roasting box and the drying box, cleaning a machine and a bearing container, and completing preparation.
In the invention, the diameter of the polyvinyl alcohol fiber is 1-50 μm, and the length is 0.5mm shorter than the particle size of the adsorbent; the pore-forming agent is one of ammonium carbonate, activated carbon and sesbania powder; the kaolin can be replaced by attapulgite powder, bentonite, diatomite and sepiolite powder; the glove is a high-temperature-resistant glove, and the surface of the glove is smooth; the polyvinyl alcohol fiber can be replaced by any organic fiber, so that the materials are simple to obtain, and the limitation is broken.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention should be covered by the scope of the present invention.
Claims (5)
1. A preparation method of porous spherical molecular sieve VOCs adsorbent is characterized by comprising the following steps:
s1, preparation: firstly, preparing a 5A molecular sieve, a 13X molecular sieve, a Y molecular sieve, kaolin, an electronic scale, a plurality of placing boxes, a reactor, polyvinyl alcohol fiber yarns, a pore-forming agent, alumina sol and water, placing various materials in places which are easy to take, then preparing a pill making machine, a baking box and a drying box, testing whether the pill making machine, the baking box and the drying box can normally work by electrifying, and finally wearing gloves and a mask for preparation;
s2, mixing the following materials: weighing the material by using an electronic scale, wherein the weighing requires that the weight of the molecular sieve accounts for 50-55% of the total mass, the weight of the aluminum sol accounts for 5-10% of the total mass, the weight of the water accounts for 25-30% of the total mass, the weight of the kaolin accounts for 5-10% of the total mass, the weight of the polyvinyl alcohol fiber wire accounts for 1-3% of the total mass, the weight of the pore-forming agent accounts for 1-3% of the total mass, and the weight accounts for 1-2% of the total mass, and then placing the weighed material into a plurality of placing cabinets;
s3, preparation stage: putting 50-55% of 5A molecular sieve, 5-10% of kaolin, 1-3% of polyvinyl alcohol fiber filaments, 1-3% of pore-forming agent and 1-2% of the mixture into a reactor according to a proportion, fully mixing to obtain a mixture, adding 5-10% of aluminum sol and 25-30% of water into the mixture, uniformly stirring to obtain a wet mud material, putting 50-55% of 13X molecular sieve, 5-10% of kaolin, 1-3% of polyvinyl alcohol fiber filaments, 1-3% of pore-forming agent and 1-2% of the mixture into the reactor according to a proportion, fully mixing to obtain a mixture, adding 5-10% of aluminum sol and 25-30% of water into the mixture, uniformly stirring to obtain a wet mud material, adding 50-55% of Y molecular sieve, 1-30% of polyvinyl alcohol fiber filaments, 1-3% of pore-forming agent and 1-2% of water into the reactor according to a proportion, fully mixing to obtain a wet mud material, adding 50-55% of Y molecular sieve, 5-3% of the mixture into the mixture, uniformly stirring the mixture, and the mixture to obtain a mixture, Adding 5-10% of kaolin, 1-3% of polyvinyl alcohol fiber, 1-3% of pore-forming agent and 1-2% of pore-forming agent into a reactor according to a proportion, fully and uniformly mixing to obtain a mixture, adding 5-10% of aluminum sol and 25-30% of water into the mixture, and uniformly stirring to obtain wet mud;
s4, granulation process: respectively putting the prepared three wet mud materials into a granulator for granulation, wherein the particle size of the processed molecular sieve is 3-6mm, and then re-filling the granules after the granulation into a reactor;
s5, drying: drying the molecular sieve particles in a drying box, then opening a switch of the drying box, setting the temperature and the time, wherein the set drying temperature is 80 ℃, the set drying time is 12 hours, and the particles need to be continuously turned over in the drying process, so that the drying effect of the molecular sieve particles is better;
s6, roasting process: putting the molecular sieve particles into a roasting box, then opening a switch of the roasting box, and setting the temperature and the time, wherein the set roasting temperature is 500 ℃ and the roasting time is 5 hours;
s7, taking out: closing the roasting box, wearing gloves after the molecular sieve particles are cooled, taking out the particles in the roasting box, obtaining porous granular molecular sieve VOCs adsorbent, then putting the granular molecular sieve VOCs adsorbent into a damp-proof box for storage, finally arranging a workbench, pulling out power lines of the pill making machine, the roasting box and the drying box, cleaning a machine and a bearing container, and completing preparation.
2. The method according to claim 1, wherein the polyvinyl alcohol fiber filaments have a diameter of 1-50 μm and a length 0.5mm shorter than the particle size of the adsorbent.
3. The method according to claim 1, wherein the pore-forming agent is one of ammonium carbonate, activated carbon, and sesbania powder.
4. The method according to claim 1, wherein the kaolin is selected from attapulgite powder, bentonite, diatomaceous earth, and sepiolite powder.
5. The method according to claim 1, wherein the glove is a high temperature resistant glove, and the surface of the glove is smooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110733515.2A CN114100567A (en) | 2021-06-30 | 2021-06-30 | Preparation method of porous spherical molecular sieve VOCs adsorbent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110733515.2A CN114100567A (en) | 2021-06-30 | 2021-06-30 | Preparation method of porous spherical molecular sieve VOCs adsorbent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114100567A true CN114100567A (en) | 2022-03-01 |
Family
ID=80359395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110733515.2A Pending CN114100567A (en) | 2021-06-30 | 2021-06-30 | Preparation method of porous spherical molecular sieve VOCs adsorbent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114100567A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4820318A (en) * | 1987-12-24 | 1989-04-11 | Allied-Signal Inc. | Removal of organic compounds from gas streams using carbon molecular sieves |
| CN102371167A (en) * | 2010-08-23 | 2012-03-14 | 中国石油化工股份有限公司 | Fluidized bed catalyst and its preparation method |
| US20140217324A1 (en) * | 2011-01-25 | 2014-08-07 | Zeochem Llc | Molecular sieve adsorbent blends and uses thereof |
| CN105597528A (en) * | 2015-11-03 | 2016-05-25 | 中山大学 | Waste gas purification device and process |
| CN105944665A (en) * | 2016-06-21 | 2016-09-21 | 江西博鑫精陶环保科技有限公司 | Preparation method of molecular sieve concentration rotating wheel adsorption packing for treating VOCs |
| CN110681346A (en) * | 2019-09-10 | 2020-01-14 | 咏铨洁能科技有限公司 | Adsorbent with low boiling point VCOS, filter material set, filter material box and method for producing adsorbent |
| CN111495117A (en) * | 2020-03-23 | 2020-08-07 | 山东亮剑环保新材料有限公司 | Zeolite rotating wheel multi-dimensional rotating wheel preparation process |
| CN112246217A (en) * | 2020-10-30 | 2021-01-22 | 上海绿强新材料有限公司 | Integral honeycomb molecular sieve for purifying VOCs (volatile organic compounds) in zeolite adsorption rotating wheel and preparation method thereof |
-
2021
- 2021-06-30 CN CN202110733515.2A patent/CN114100567A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4820318A (en) * | 1987-12-24 | 1989-04-11 | Allied-Signal Inc. | Removal of organic compounds from gas streams using carbon molecular sieves |
| CN102371167A (en) * | 2010-08-23 | 2012-03-14 | 中国石油化工股份有限公司 | Fluidized bed catalyst and its preparation method |
| US20140217324A1 (en) * | 2011-01-25 | 2014-08-07 | Zeochem Llc | Molecular sieve adsorbent blends and uses thereof |
| CN105597528A (en) * | 2015-11-03 | 2016-05-25 | 中山大学 | Waste gas purification device and process |
| CN105944665A (en) * | 2016-06-21 | 2016-09-21 | 江西博鑫精陶环保科技有限公司 | Preparation method of molecular sieve concentration rotating wheel adsorption packing for treating VOCs |
| CN110681346A (en) * | 2019-09-10 | 2020-01-14 | 咏铨洁能科技有限公司 | Adsorbent with low boiling point VCOS, filter material set, filter material box and method for producing adsorbent |
| CN111495117A (en) * | 2020-03-23 | 2020-08-07 | 山东亮剑环保新材料有限公司 | Zeolite rotating wheel multi-dimensional rotating wheel preparation process |
| CN112246217A (en) * | 2020-10-30 | 2021-01-22 | 上海绿强新材料有限公司 | Integral honeycomb molecular sieve for purifying VOCs (volatile organic compounds) in zeolite adsorption rotating wheel and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2002361196B2 (en) | Adsorbing material comprised of porous functional solid incorporated in a polymer matrix | |
| EP3027306B1 (en) | Method to getter hydrogen and moisture | |
| CN107029668B (en) | A kind of honeycomb type molecular sieve-active carbon compound adsorbent, preparation method and applications | |
| US3773690A (en) | Zeolite adsorbents | |
| JP2006271966A (en) | Chemical filter using metal compounds and manufacturing method thereof | |
| CN101885656B (en) | Adsorption purification method for hydrocarbon stream | |
| CN104364008A (en) | Novel adsorbent compositions | |
| JPS6128606B2 (en) | ||
| CN115155511B (en) | Preparation method of high-efficiency purifying material for hydride-containing waste gas, purifying material and application | |
| CN102602956A (en) | Novel low-potassium-content zeolite molecular sieve complex | |
| CN103418344A (en) | Honeycomb type nano zinc oxide purifying activated carbon and preparation method thereof | |
| CN114100567A (en) | Preparation method of porous spherical molecular sieve VOCs adsorbent | |
| CN111545164A (en) | Filtering material for purifying volatile organic compounds and preparation method thereof | |
| CN106082256B (en) | The dedicated molecular sieve used preparation method of ethene | |
| CN105582790A (en) | High-adsorbability environment-friendly hollow glass drying agent | |
| EP1427513B1 (en) | Desiccant based on clay-bound zeolite, process for its preparation and its use | |
| KR20060007019A (en) | Method for the production of deformed zeolites, and method for eliminating impurities from a gas stream | |
| WO2011154530A1 (en) | Drying apparatus containing an aluminophosphate | |
| CN101869823B (en) | Composite material for removing peculiar smell of pet | |
| KR20120114089A (en) | Adsorbent for removing acid gas in hydrocarbons or hydrogen, and its preparation method | |
| CN107311590B (en) | diatomite molding composition with moisture absorption and deodorization functions and preparation method thereof | |
| US10668426B2 (en) | Process for producing an adsorption unit and adsorption unit | |
| JPS62297211A (en) | Zeolite porous material and production thereof | |
| KR20200107072A (en) | Method of manufacturing a chemical filter | |
| CN104587959A (en) | Filter medium for removing endosulfan from water as well as filter element and preparation method of filter medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220301 |