CN108704439A - A kind of composite nano adsorbent - Google Patents

A kind of composite nano adsorbent Download PDF

Info

Publication number
CN108704439A
CN108704439A CN201810423108.XA CN201810423108A CN108704439A CN 108704439 A CN108704439 A CN 108704439A CN 201810423108 A CN201810423108 A CN 201810423108A CN 108704439 A CN108704439 A CN 108704439A
Authority
CN
China
Prior art keywords
weight
parts
composite nano
nano adsorbent
titanate
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
Application number
CN201810423108.XA
Other languages
Chinese (zh)
Inventor
郭常青
吴学军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Leking Environment Technology Co Ltd
Original Assignee
Anhui Leking Environment Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Leking Environment Technology Co Ltd filed Critical Anhui Leking Environment Technology Co Ltd
Priority to CN201810423108.XA priority Critical patent/CN108704439A/en
Publication of CN108704439A publication Critical patent/CN108704439A/en
Pending legal-status Critical Current

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
    • 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
    • B01J20/28002—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 physical properties
    • B01J20/28004—Sorbent size or size distribution, e.g. particle size
    • B01J20/28007—Sorbent size or size distribution, e.g. particle size with size in the range 1-100 nanometers, e.g. nanosized particles, nanofibers, nanotubes, nanowires or the like
    • 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
    • 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
    • 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
    • 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
    • B01J20/12—Naturally occurring clays or bleaching earth
    • 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
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • 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
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • 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
    • B01D2257/704—Solvents not covered by groups B01D2257/702 - B01D2257/7027
    • 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
    • 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)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Nanotechnology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

The present invention relates to technical field of air purification, and in particular to a kind of composite nano adsorbent, the composite nano adsorbent are made of the substance of following parts by weight：50~100 parts by weight of attapulgite, 30~80 parts by weight of leaf, 5~15 parts by weight of maleic anhydride, 6~24 parts by weight of organic titanate, 0.2~1 parts by weight of organosilicon acid esters, CH3NH32~8 parts by weight of I, 1~8 parts by weight of urea, 3~5 parts by weight of silane coupling agent, 50~120 parts by weight of solvent.The composite nano adsorbent of the present invention can adsorb the pernicious gas in air, and pernicious gas is catalyzed inside composite nano adsorbent, to reach reduction harmful gas concentration, the effect of air is purified, ensures air safety, the living environment of health is provided for people.

Description

A kind of composite nano adsorbent
Technical field
The present invention relates to technical field of air purification, and in particular to a kind of composite nano adsorbent.
Background technology
Currently, air pollution, such as formaldehyde, volatile organic matter VOC, PM2.5 particle, are good for atmospheric environment and human body Health produces serious influence, such as：Stimulate skin, respiratory tract, mutagenicity, the carcinogenesis etc. of people.How air dirt is eliminated The problem of dye purifies air, becomes people's growing interest.The quality of room air is to influence the weight of health and thought mood Want factor.Currently, the air purification method used both at home and abroad, mainly there is air suction method, covering method, oxidizing process etc..Using pumping Filter method, needs heavy mechanical equipment, is difficult to carry out in environment such as room, compartment, lavatories；Covering method is covered with spraying aromatic substance Lid peculiar smell, but injury of the smell substance to human body cannot be eliminated；Oxidizing process is to generate negative oxygen ion to air using electrolysis principle Carry out disinfection purification, but the effect is unsatisfactory, and higher price.Air purifying preparation is to utilize solid absorbent, Strong oxdiative Agent and aromatic substance carry out comprehensive purifying processing to room air, can thoroughly eliminate peculiar smell, purify air.Common air Cleanser is relatively low to the adsorption rate of harmful substance, and service life is low, be easy to cause secondary pollution.
Invention content
It is of the existing technology the purpose of the invention is to overcome the problems, such as, a kind of composite nano adsorbent is provided, this is multiple Close nano adsorber the pernicious gas in air can be adsorbed, and inside composite nano adsorbent to pernicious gas into Row catalysis purifies the effect of air to reach reduction harmful gas concentration, ensures air safety, provides health for people Living environment.
To achieve the goals above, the present invention provides a kind of composite nano adsorbent, is made of the substance of following parts by weight： 50~100 parts by weight of attapulgite, 30~80 parts by weight of leaf, 5~15 parts by weight of maleic anhydride, 6~24 weight of organic titanate Measure part, 0.2~1 parts by weight of organosilicon acid esters, CH3NH32~8 parts by weight of I, 1~8 parts by weight of urea, 3~5 weight of silane coupling agent Measure part, 50~120 parts by weight of solvent.
Through the above technical solutions, attapulgite is a kind of clay pit of zeopan containing Shuifu County of tool chain layer structure Object, by maleic anhydride to attapulgite carry out intercalation modifying, the interlamellar spacing of attapulgite can be improved, then again with organic titanium Acid esters, organic titanate, porous activated carbon, CH3NH3On the one hand I reactions can be improved in attapulgite Intercalation reaction activated carbon The specific surface area and adsorption capacity of attapulgite；On the other hand, additionally it is possible to the titanium dioxide of Si modification is introduced in attapulgite Titanium, Si modification titanium dioxide are capable of the pernicious gas of catalytic degradation absorption, further decrease pernicious gas absorption resistance, raising has The removal rate of evil gas, and secondary pollution will not be caused, while extending the service life of composite nano adsorbent.
Specific implementation mode
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more New numberical range, these numberical ranges should be considered as specific open herein.
The present invention provides a kind of composite nano adsorbent, is made of the substance of following parts by weight：50~100 weight of attapulgite Measure part, 30~80 parts by weight of leaf, 5~15 parts by weight of maleic anhydride, 6~24 parts by weight of organic titanate, organosilicon acid esters 0.2 ~1 parts by weight, CH3NH32~8 parts by weight of I, 1~8 parts by weight of urea, 3~5 parts by weight of silane coupling agent, 50~120 weight of solvent Measure part.Under optimum condition, the composite nano adsorbent is made of the substance of following parts by weight：60~80 weight of attapulgite Part, 30~80 parts by weight of leaf, 5~15 parts by weight of maleic anhydride, 12~20 parts by weight of organic titanate, organosilicon acid esters 0.2 ~0.6 parts by weight, CH3NH33~6 parts by weight of I, 2~6 parts by weight of urea, 3~5 parts by weight of silane coupling agent, solvent 100~ 120 parts by weight.
The present invention also provides a kind of preparation methods of the composite nano adsorbent, include the following steps：
(1) anneal leaf 5~12h in atmosphere of inert gases at 200~600 DEG C, obtains porous activated carbon；
(2) in water after mixing by attapulgite and maleic anhydride, 30~60min of microwave reaction is obtained modified recessed Convex stick soil；
(3) organic titanate, organic titanate and urea are uniformly mixed in a solvent, porous active is then added Charcoal, CH3NH3I and silane coupling agent and attapulgite modified, 20~60min of ultrasonic disperse is then sealed at 100~160 DEG C 2~6h of thermal response, obtains composite nano adsorbent.
Leaf contains abundant pore structure, and material feedstock derives from a wealth of sources, and after being calcined to it, can generate with height The porous activated carbon of specific surface area, high adsorption, the present invention do not have the type of leaf special requirement.
In order to further increase the porosity in attapulgite, organic impurities is removed, under optimum condition, the present invention is also to recessed Convex stick soil is pre-processed, and the pretreating process is the 1~3h that anneals at 300~500 DEG C；It is furthermore preferred that the concave convex rod The grain size of soil is 200~500nm.
Intercalation modifying is carried out to attapulgite by maleic anhydride, the interlamellar spacing of attapulgite can be improved, is follow-up anti- Basis should be provided, under optimum condition, the frequency of the microwave reaction is 1000~1800KHZ, and power is 500~800W.
By by porous carbon and organic titanate, organosilicon acid esters and CH in the present invention3NH3I reacts, can be in porous carbon Hole in generate CH3NH3The modification TiO that I and metallic element are modified altogether2, avoid TiO2Poorly conductive and light induced electron and Hole is easy the shortcomings that recombination, to improve the visible light-responded range and response intensity of titanium dioxide, improves titanium dioxide Catalytic efficiency；Under optimum condition, the mass ratio of the organic titanate and organosilicon acid esters is (30~100):1.Preferred stripe Under part, the organic titanate is selected from tetraethyl titanate, tetramethoxy titanate ester, tetraisopropyl titanate, tetrabutyl titanate, metatitanic acid four At least one of N-butyl.The organosilicon acid esters in quanmethyl silicate, ethyl orthosilicate, tetrabutyl silicate at least It is a kind of.
Under optimum condition, the silane coupling agent is selected from aminopropyl triethoxysilane, aminopropyl trimethoxysilane, 2- Aminoethyl amino propyl trimethoxy silane, divinyl triammonium base propyl trimethoxy silicane, aminoethylaminopropyl methyl dimethoxy oxygen In base silane, aminoethylaminopropyl triethoxysilane, urea propyl-triethoxysilicane and urea propyl trimethoxy silicane extremely Few one kind.
Under optimum condition, the solvent is in glycerine, ethyl alcohol, isopropanol, propylene glycol, ethylene glycol, water and n-butanol At least one.
The present invention will be described in detail by way of examples below.
Embodiment 1
A kind of composite nano adsorbent is made of the substance of following parts by weight：75 parts by weight of attapulgite, ginkgo leaf 50 Parts by weight, 8 parts by weight of maleic anhydride, 16 parts by weight of tetrabutyl titanate, 0.4 parts by weight of ethyl orthosilicate, CH3NH35 weight of I Part, 4 parts by weight of urea, 4 parts by weight of divinyl triammonium base propyl trimethoxy silicane, 100 parts by weight of water.
The preparation method of the composite nano adsorbent, includes the following steps：
(1) anneal ginkgo leaf 8h in argon atmosphere at 300 DEG C, obtains porous activated carbon；
(2) attapulgite is annealed 2h at 350 DEG C；Then in water after mixing with maleic anhydride, microwave reaction The frequency of 60min, the microwave reaction are 1200KHZ, and power 600W is obtained attapulgite modified；
(3) ethyl orthosilicate, tetrabutyl titanate and urea are uniformly mixed in water, porous active is then added Charcoal, CH3NH3I and divinyl triammonium base propyl trimethoxy silicane and attapulgite modified, ultrasonic disperse 30min, then 120 Thermal response 3h is sealed at DEG C, obtains composite nano adsorbent.
Embodiment 2
A kind of composite nano adsorbent is made of the substance of following parts by weight：80 parts by weight of attapulgite, ginkgo leaf 40 Parts by weight, 10 parts by weight of maleic anhydride, 12 parts by weight of tetramethoxy titanate ester, 0.4 parts by weight of ethyl orthosilicate, CH3NH33.2 weight of I Part, 4 parts by weight of urea, 4.5 parts by weight of urea propyl trimethoxy silicane, 100 parts by weight of water.
The preparation method of the composite nano adsorbent, includes the following steps：
(1) anneal ginkgo leaf 6h in argon atmosphere at 400 DEG C, obtains porous activated carbon；
(2) anneal attapulgite 1~3h at 300~500 DEG C；Then in water after mixing with maleic anhydride, The frequency of 30~60min of microwave reaction, the microwave reaction are 1000~1800KHZ, and power is 500~800W, is modified Attapulgite；
(3) ethyl orthosilicate, tetramethoxy titanate ester and urea are uniformly mixed in water, porous active is then added Charcoal, CH3NH3I and urea propyl trimethoxy silicane and attapulgite modified, ultrasonic disperse 30min then seal heat at 120 DEG C 4h is reacted, composite nano adsorbent is obtained.
Embodiment 3
A kind of composite nano adsorbent is made of the substance of following parts by weight：60 parts by weight of attapulgite, ginkgo leaf 60 Parts by weight, 6 parts by weight of maleic anhydride, 24 parts by weight of tetramethoxy titanate ester, 0.6 parts by weight of ethyl orthosilicate, CH3NH35.3 weight of I Part, 2 parts by weight of urea, 3.5 parts by weight of aminoethylaminopropyl triethoxysilane, 50 parts by weight of ethylene glycol.
The preparation method of the composite nano adsorbent, includes the following steps：
(1) anneal ginkgo leaf 8h in argon atmosphere at 500 DEG C, obtains porous activated carbon；
(2) attapulgite is annealed 3h at 300 DEG C；Then in water after mixing with maleic anhydride, microwave reaction The frequency of 45min, the microwave reaction are 1500KHZ, and power 600W is obtained attapulgite modified；
(3) ethyl orthosilicate, tetramethoxy titanate ester and urea are uniformly mixed in ethylene glycol, porous work is then added Property charcoal, CH3NH3I and aminoethylaminopropyl triethoxysilane and attapulgite modified, ultrasonic disperse 30min, then at 120 DEG C Lower sealing thermal response 3h, obtains composite nano adsorbent.
Embodiment 4
A kind of composite nano adsorbent is made of the substance of following parts by weight：100 parts by weight of attapulgite, ginkgo leaf 80 parts by weight, 5 parts by weight of maleic anhydride, 20 parts by weight of tetraethyl titanate, 0.2 parts by weight of ethyl orthosilicate, CH3NH32 weight of I Part, 8 parts by weight of urea, 3 parts by weight of aminoethylaminopropyl triethoxysilane, 120 parts by weight of ethyl alcohol.
The preparation method of the composite nano adsorbent, includes the following steps：
(1) anneal ginkgo leaf 12h in argon atmosphere at 200 DEG C, obtains porous activated carbon；
(2) attapulgite is annealed 1h at 500 DEG C；Then in water after mixing with maleic anhydride, microwave reaction The frequency of 30min, the microwave reaction are 1800KHZ, and power 500W is obtained attapulgite modified；
(3) ethyl orthosilicate, tetraethyl titanate and urea are uniformly mixed in ethanol, porous active is then added Charcoal, CH3NH3I, aminoethylaminopropyl triethoxysilane and attapulgite modified, ultrasonic disperse 60min, then at 100 DEG C Thermal response 6h is sealed, composite nano adsorbent is obtained.
Embodiment 5
A kind of composite nano adsorbent is made of the substance of following parts by weight：50 parts by weight of attapulgite, ginkgo leaf 30 Parts by weight, 15 parts by weight of maleic anhydride, 24 parts by weight of tetraisopropyl titanate, 1 parts by weight of quanmethyl silicate, CH3NH38 weight of I Part, 1 parts by weight of urea, 5 parts by weight of urea propyl-triethoxysilicane, 100 parts by weight of isopropanol.
The preparation method of the composite nano adsorbent, includes the following steps：
(1) anneal ginkgo leaf 12h in argon atmosphere at 600 DEG C, obtains porous activated carbon；
(2) in water after mixing by attapulgite and maleic anhydride, microwave reaction 60min, the microwave reaction Frequency is 1000KHZ, and power 800W is obtained attapulgite modified；
(3) quanmethyl silicate, tetraisopropyl titanate and urea are uniformly mixed in isopropanol, are then added porous Activated carbon, CH3NH3I, urea propyl-triethoxysilicane and attapulgite modified, ultrasonic disperse 20min, it is then close at 160 DEG C Thermal response 2h is sealed, composite nano adsorbent is obtained.
Comparative example 1
A kind of composite nano adsorbent is made of the substance of following parts by weight：75 parts by weight of attapulgite, maleic anhydride 8 Parts by weight, 16 parts by weight of tetrabutyl titanate, 0.4 parts by weight of ethyl orthosilicate, CH3NH35 parts by weight of I, 4 parts by weight of urea, two 4 parts by weight of ethylene triamido propyl trimethoxy silicane, 100 parts by weight of water.
The preparation method of the composite nano adsorbent, includes the following steps：
(1) attapulgite is annealed 2h at 350 DEG C；Then in water after mixing with maleic anhydride, microwave reaction The frequency of 60min, the microwave reaction are 1200KHZ, and power 600W is obtained attapulgite modified；
(2) ethyl orthosilicate, tetrabutyl titanate and urea are uniformly mixed in water, CH is then added3NH3I and It is anti-then to seal heat at 120 DEG C by divinyl triammonium base propyl trimethoxy silicane, attapulgite modified, ultrasonic disperse 30min 3h is answered, composite nano adsorbent is obtained.
Comparative example 2
A kind of composite nano adsorbent is made of the substance of following parts by weight：75 parts by weight of attapulgite, ginkgo leaf 50 Parts by weight, 8 parts by weight of maleic anhydride, 16 parts by weight of tetrabutyl titanate, 4 weight of divinyl triammonium base propyl trimethoxy silicane Part, 100 parts by weight of water.
The preparation method of the composite nano adsorbent, includes the following steps：
(1) anneal ginkgo leaf 8h in argon atmosphere at 300 DEG C, obtains porous activated carbon；
(2) attapulgite is annealed 2h at 350 DEG C；Then in water after mixing with maleic anhydride, microwave reaction The frequency of 60min, the microwave reaction are 1200KHZ, and power 600W is obtained attapulgite modified；
(3) tetrabutyl titanate is uniformly mixed in water, porous activated carbon and divinyl triammonium base is then added Propyl trimethoxy silicane and attapulgite modified, ultrasonic disperse 30min then seal thermal response 3h at 120 DEG C, are answered Close nano adsorber.
Experiment test：
The purifying property of composite nano adsorbent PARA FORMALDEHYDE PRILLS(91,95) in 1-5 of the embodiment of the present invention and comparative example 1-2 is evaluated in Φ It is carried out in the straight type polytetrafluoroethylene (PTFE) pipe reactor of 20mm, long 200mm, polytetrafluoroethylene (PTFE) tube reaction is added in composite nano adsorbent In device, unstripped gas group becomes：Concentration of formaldehyde 300mg/m3, remaining is air.Reaction carries out under 25 DEG C of atmospheric pressure environments, reaction gas Volume space velocity (GHSV) is 3000h-1, experimental result is as shown in table 1.
Table 1：The purifying property of adsorbent PARA FORMALDEHYDE PRILLS(91,95) in embodiment and comparative example
The preferred embodiment of the present invention has been described above in detail, and still, the present invention is not limited thereto.In the skill of the present invention In art conception range, technical scheme of the present invention can be carried out a variety of simple variants, including each technical characteristic with it is any its Its suitable method is combined, and it should also be regarded as the disclosure of the present invention for these simple variants and combination, belongs to Protection scope of the present invention.

Claims (6)

1. a kind of composite nano adsorbent, which is characterized in that be made of the substance of following parts by weight：50~100 weight of attapulgite Measure part, 30~80 parts by weight of leaf, 5~15 parts by weight of maleic anhydride, 6~24 parts by weight of organic titanate, organosilicon acid esters 0.2 ~1 parts by weight, CH3NH32~8 parts by weight of I, 1~8 parts by weight of urea, 3~5 parts by weight of silane coupling agent, 50~120 weight of solvent Measure part.
2. composite nano adsorbent according to claim 1, which is characterized in that be made of the substance of following parts by weight：It is recessed Convex 60~80 parts by weight of stick soil, 30~80 parts by weight of leaf, 5~15 parts by weight of maleic anhydride, 12~20 weight of organic titanate Part, 0.2~0.6 parts by weight of organosilicon acid esters, CH3NH33~6 parts by weight of I, 2~6 parts by weight of urea, 3~5 weight of silane coupling agent Measure part, 100~120 parts by weight of solvent.
3. composite nano adsorbent according to claim 1, which is characterized in that the organic titanate is selected from metatitanic acid tetrem At least one of ester, tetramethoxy titanate ester, tetraisopropyl titanate, tetrabutyl titanate, tetra-n-butyl titanate.
4. composite nano adsorbent according to claim 1, which is characterized in that the organosilicon acid esters is selected from silicic acid tetramethyl At least one of ester, ethyl orthosilicate, tetrabutyl silicate.
5. composite nano adsorbent according to claim 1, which is characterized in that the silane coupling agent is selected from aminopropyl three Ethoxysilane, aminopropyl trimethoxysilane, 2- aminoethyl amino propyl trimethoxy silanes, divinyl triammonium base propyl front three Oxysilane, aminoethylaminopropyl methyl dimethoxysilane, aminoethylaminopropyl triethoxysilane, urea propyl triethoxy At least one of silane and urea propyl trimethoxy silicane.
6. composite nano adsorbent according to claim 1, which is characterized in that the solvent is selected from glycerine, ethyl alcohol, different At least one of propyl alcohol, propylene glycol, ethylene glycol, water and n-butanol.
CN201810423108.XA 2018-05-05 2018-05-05 A kind of composite nano adsorbent Pending CN108704439A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810423108.XA CN108704439A (en) 2018-05-05 2018-05-05 A kind of composite nano adsorbent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810423108.XA CN108704439A (en) 2018-05-05 2018-05-05 A kind of composite nano adsorbent

Publications (1)

Publication Number Publication Date
CN108704439A true CN108704439A (en) 2018-10-26

Family

ID=63867844

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810423108.XA Pending CN108704439A (en) 2018-05-05 2018-05-05 A kind of composite nano adsorbent

Country Status (1)

Country Link
CN (1) CN108704439A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103521178A (en) * 2013-08-30 2014-01-22 蚌埠凤凰滤清器有限责任公司 Bamboo modified activated carbon adsorbent for treating phenolic wastewater and preparation method thereof
CN104959168A (en) * 2015-07-15 2015-10-07 济南大学 Cu2O/CH3NH3PbI3/TiO2 composite photocatalyst as well as preparation method and application thereof
CN106732807A (en) * 2016-11-21 2017-05-31 西北大学 A kind of organic perovskite composite photocatalysis film of titanium dioxide and preparation and application
CN107442183A (en) * 2017-08-31 2017-12-08 东莞市联洲知识产权运营管理有限公司 A kind of graphene/nanometer crystalline substance/perovskite photocatalysis membrana and preparation method thereof
CN107876087A (en) * 2017-11-03 2018-04-06 山东大学 The preparation of methylamine lead iodine redox graphene composite photocatalyst material and its application of photocatalysis hydrogen production

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103521178A (en) * 2013-08-30 2014-01-22 蚌埠凤凰滤清器有限责任公司 Bamboo modified activated carbon adsorbent for treating phenolic wastewater and preparation method thereof
CN104959168A (en) * 2015-07-15 2015-10-07 济南大学 Cu2O/CH3NH3PbI3/TiO2 composite photocatalyst as well as preparation method and application thereof
CN106732807A (en) * 2016-11-21 2017-05-31 西北大学 A kind of organic perovskite composite photocatalysis film of titanium dioxide and preparation and application
CN107442183A (en) * 2017-08-31 2017-12-08 东莞市联洲知识产权运营管理有限公司 A kind of graphene/nanometer crystalline substance/perovskite photocatalysis membrana and preparation method thereof
CN107876087A (en) * 2017-11-03 2018-04-06 山东大学 The preparation of methylamine lead iodine redox graphene composite photocatalyst material and its application of photocatalysis hydrogen production

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
夏德强等: "凹凸棒土/TiO2复合材料的制备及催化动力学研究", 《非金属矿》 *
李杰等: "凹凸棒土、活性炭和TiO2多孔陶瓷球对印染废水的处理", 《中国非金属矿工业导刊》 *

Similar Documents

Publication Publication Date Title
CN1293938C (en) Methanal disintegrant and preparation thereof
CN104446283B (en) High-efficient purification air/antibacterial/automatic humidifying diatom ooze wall material and preparation method
CN205567899U (en) Gauze mask with antifog haze function
CN104437075A (en) Method for carrying out catalytic pyrolysis treatment on volatile organic gas by utilizing microwave heating
CN107469839A (en) A kind of preparation method of acid iodide oxygen bismuth photochemical catalyst
CN105559203A (en) Gauze mask with haze-proof function and preparation method of gauze mask
CN108295842A (en) A kind of composite photocatalyst material for air purifier
WO2024041565A1 (en) Air purification and sterilization method
CN113926443A (en) Multi-element composite material for visible light catalytic aldehyde removal, preparation method and air purifier
CN114307636A (en) Nano photocatalyst air deodorant and preparation method thereof
CN207356898U (en) A kind of interior decoration engineering pollution control device
CN108704439A (en) A kind of composite nano adsorbent
CN106179295B (en) A kind of photocatalytic activity Carbon fibe and preparation method thereof
CN108704623A (en) A kind of preparation method of composite nano adsorbent
CN108722019A (en) A kind of composite Nano purification strainer and preparation method thereof
CN116371419A (en) Microbial carbon-supported manganese-cobalt catalyst and preparation method and application thereof
CN108654561A (en) A kind of adsorbent for the separating formaldehyde from air
CN108744727A (en) A kind of Household ceramic filter core and preparation method thereof
CN108654560A (en) A kind of preparation method for the adsorbent of separating formaldehyde from air
CN108751318A (en) A kind of preparation method of activated carbon base water purification agent
CN102679449A (en) Improved air purifier
CN109126718A (en) The method for preparing regenerative air purifying particles using red mud
CN113058630B (en) Preparation method and application of photocatalyst suitable for efficiently removing formaldehyde at room temperature
CN108671894A (en) A kind of active carbon-supported catalyst of absorption waste gas containing benzene
WO2021215265A1 (en) Carbon dioxide absorbing material, carbon dioxide absorbing material production method, carbon dioxide separation body and carbon dioxide separation and recovery device

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
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20181026