CN107376868A - One kind is used for degradation of formaldehyde filler - Google Patents

One kind is used for degradation of formaldehyde filler Download PDF

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Publication number
CN107376868A
CN107376868A CN201710509922.9A CN201710509922A CN107376868A CN 107376868 A CN107376868 A CN 107376868A CN 201710509922 A CN201710509922 A CN 201710509922A CN 107376868 A CN107376868 A CN 107376868A
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formaldehyde
degradation
filler
porous ceramics
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高产明
陈春
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Changzhou Huambo Metal Component Factory
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Changzhou Huambo Metal Component Factory
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    • 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
    • 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
    • B01D53/46—Removing components of defined structure
    • B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
    • 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
    • B01D53/84—Biological processes
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    • 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
    • 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
    • B01J20/26—Synthetic macromolecular compounds
    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N11/00—Carrier-bound or immobilised enzymes; Carrier-bound or immobilised microbial cells; Preparation thereof
    • C12N11/14—Enzymes or microbial cells immobilised on or in an inorganic carrier
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/45—Gas separation or purification devices adapted for specific applications
    • B01D2259/4508—Gas separation or purification devices adapted for specific applications for cleaning air in buildings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/346—Clay
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/22—Expanded, porous or hollow particles
    • C08K7/24—Expanded, porous or hollow particles inorganic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/08—Ingredients agglomerated by treatment with a binding agent
    • 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

Abstract

The present invention relates to one kind to be used for degradation of formaldehyde filler, belongs to technical field of air purification.The present invention uses hydroxypropyl methyl cellulose, after the material mixing such as glycerine and N methyl pyrrolidones, modification liquid is made, modification liquid is modified to ceramic powders, obtain modified porous ceramics, again by modified porous ceramics, bentonite, zeolite, silane coupler, after laccase and culture medium mixing, filtering, obtain filter residue, degradation of formaldehyde filler must be used for after drying, filler produced by the present invention not only can efficiently formaldehyde adsorption, and generate stable compound, stable place can also be provided to microorganism, the filler is used in coating, it can make coating that there is the effect such as antibacterial and mouldproof and decomposing formaldehyde.

Description

One kind is used for degradation of formaldehyde filler
Technical field
The present invention relates to one kind to be used for degradation of formaldehyde filler, belongs to technical field of air purification.
Background technology
The colourless aqueous solution or gas of formaldehyde, irritant smell, can be dissolved in water and organic solvent, be a kind of important to have Machine raw material, it is mainly used in synthetic fibers, plastic process, medicine, dyestuff etc., but when formaldehyde reaches finite concentration in interior, People just has sense of discomfort, and newly-decorated room content of formaldehyde is higher, when concentration of formaldehyde be more than 0.08m3 will cause throat it is uncomfortable, Hoarseness, uncomfortable in chest, asthma, dermatitis etc..For a long time, low concentration Formaldehyde Exposed can cause headache, weak, sensory disturbance, immunity The symptoms such as decline, and formaldehyde has carcinogenicity, and Long Term Contact formaldehyde can increase the probability for suffering from special cancer.
At present, the method for indoor formaldehyde of degrading has and strengthens ventilation method, physisorphtion, plant decomposition method, chemical method etc., he Have the advantages of respective drawn game limit.Wherein absorption method is mainly the absorption using porous materials such as activated carbon, silica gel, zeolites Performance is adsorbed the harmful substances such as formic acid.Physical absorption under low-temperature condition than more significant, adsorbance with temperature rise And reduce, desorption phenomenon is easily produced after adsorption saturation；Bioanalysis is relatively convenient, environmentally friendly formaldehyde minimizing technology, but should Method is had a great influence by microbial activity and microbe survival environment, and effect is slow.
Therefore, there is an urgent need to one kind can efficient degradation formaldehyde, i.e., with excellent adsorption capacity, and can gives microorganism to provide The filler of living environment is the key of degradation of formaldehyde.
The content of the invention
The technical problems to be solved by the invention：Formaldehyde is removed for absorption method, desorption phenomenon is easily produced after adsorption saturation, And bioanalysis removes formaldehyde, microbial activity and microbe survival environment have a great influence and the problem of effect is slow, there is provided It is a kind of to be used for degradation of formaldehyde filler.
In order to solve the above technical problems, the technical solution adopted by the present invention is.
One kind is used for degradation of formaldehyde filler, counts in parts by weight, chooses 80~100 parts of modified porous ceramics, 5~10 respectively Part bentonite, 2~4 parts of zeolites, 1~3 part of silane coupler, 1~3 part of laccase and 800~1000 parts of culture mediums；
It is characterized in that：Modified porous ceramic specific preparation process is：
（1）Porous ceramics is weighed, is put into pulverizer and crushes, sieves, obtains porous ceramic powders, in mass ratio 1:8, by porous pottery Porcelain powder is added in citric acid solution, is filtered after immersion, is obtained filter residue, be put into after washing in baking oven, is made pottery after must being pre-processed after drying Porcelain powder；
（2）Count in parts by weight, choose 1~3 part of hydroxypropyl methyl cellulose, 5~10 parts of glycerine, 1~3 part of N- methyl respectively Pyrrolidones, 2~4 parts of sodium tripolyphosphates, 40~50 parts of water and 50~60 parts of absolute ethyl alcohols, are stirred with mass fraction 40% Sulphur acid for adjusting pH value is 3.0~3.5, and modification liquid is obtained after regulation；
（3）In mass ratio 1:3, ceramic powders after modification liquid and pretreatment are mixed, dried after heating mixing, you can be modified Porous ceramics.
A kind of preparation method for degradation of formaldehyde filler, it is characterised in that：Specifically preparation process is：
（1）Count in parts by weight, respectively choose 2~4 parts of sodium nitrate, 1~3 part of potassium dihydrogen phosphate, 0.1~0.3 part of calcium chloride, 0.3~0.5 part of magnesium sulfate, 0.01~0.03 part of iron chloride, 20~25 parts of agar, 1000~1200 parts of deionized waters, stirring are mixed 121 DEG C are heated to after closing 10~15min, 15~20min of sterilization treatment obtains culture medium；
（2）Laccase, modified porous ceramics, bentonite, zeolite and bentonite are sequentially added into culture medium, is heated to 30~35 DEG C, 30~40h is stirred with 100~120r/min rotating speeds, is filtered after stirring, obtains filter residue, natural air drying, you can be used for Degradation of formaldehyde filler.
Described silane coupler is γ-ureidopropyltriethoxysilane, 3- glycydoxies methyl two Ethyoxyl silicon and N-（β-aminoethyl）One kind in-γ-aminopropyltriethoxy dimethoxysilane.
Step（1）Described in citric acid solution mass fraction be 10%.
Compared with other method, advantageous effects are the present invention：
（1）After the present invention is using material mixings such as hydroxypropyl methyl cellulose, glycerine and 1-METHYLPYRROLIDONEs, it is made and is modified Liquid, modification liquid are modified to ceramic powders, obtain modified porous ceramics, modified porous ceramics have absorption degradation formaldehyde, The functions such as air are purified, in addition, there is more preferable porosity and specific surface area using modified porous ceramics；
（2）The present invention be prepared it is modified porous ceramics for microorganism life carrier, with bentonite, zeolite it is compound after, can Excellent living environment is provided to laccase microorganism, can be metabolic by formaldehyde pollutants oxidative degradation Cheng Jian by itself Single, nontoxic inorganic matter,, not only can be with using materials such as porous ceramics as carrier so as to reach the purpose of PARA FORMALDEHYDE PRILLS(91,95) purification degraded Efficiently formaldehyde adsorption, and stable compound is generated, stable place can also be provided to microorganism, the filler is used for coating In, it can make coating that there is the effect such as antibacterial and mouldproof and decomposing formaldehyde.
Embodiment
Porous ceramics is weighed, is put into pulverizer and crushes, 100~120 mesh sieves is crossed, obtains porous ceramic powders, in mass ratio 1:8, porous ceramics powder is added in the citric acid solution of mass fraction 10%, is filtered after soaking 20~22h, filter residue is obtained, after washing It is put into baking oven, 10~20h is dried at a temperature of 70~80 DEG C, ceramic powders after must being pre-processed after drying；Parts by weight meter, point Xuan Qu not 1~3 part of hydroxypropyl methyl cellulose, 5~10 parts of glycerine, 1~3 part of 1-METHYLPYRROLIDONE, 2~4 parts of trimerization phosphorus Sour sodium, 40~50 parts of water and 50~60 parts of absolute ethyl alcohols, be stirred with the sulphur acid for adjusting pH value of mass fraction 40% be 3.0~ 3.5, modification liquid is obtained after regulation；In mass ratio 1:3, ceramic powders after modification liquid and pretreatment are mixed, are heated to 50~70 DEG C, It is placed in after being stirred 20~30min in baking oven, is heated to 120~140 DEG C, dry 10~12h, can be modified after drying Porous ceramics；Count in parts by weight, respectively choose 2~4 parts of sodium nitrate, 1~3 part of potassium dihydrogen phosphate, 0.1~0.3 part of calcium chloride, 0.3~0.5 part of magnesium sulfate, 0.01~0.03 part of iron chloride, 20~25 parts of agar, 1000~1200 parts of deionized waters, stirring are mixed 121 DEG C are heated to after closing 10~15min, 15~20min of sterilization treatment obtains culture medium；Count in parts by weight, respectively choose 80~ 100 parts of modified porous ceramics, 5~10 parts of bentonites, 2~4 parts of zeolites, 1~3 part of silane coupler, 1~3 part of laccase and 800~ 1000 parts of culture mediums；Laccase, modified porous ceramics, bentonite, zeolite and bentonite are sequentially added into culture medium, is heated to 30 ~35 DEG C, 30~40h is stirred with 100~120r/min rotating speeds, is filtered after stirring, obtains filter residue, natural air drying, you can obtain For degradation of formaldehyde filler.
Example 1
By porous ceramics is weighed, it is put into pulverizer and crushes, crosses 100 mesh sieves, obtain porous ceramic powders, in mass ratio 1:8, will be more Hole ceramic powders are added in the citric acid solution of mass fraction 10%, are filtered after soaking 20h, are obtained filter residue, be put into after washing in baking oven, 10h is dried at a temperature of 70 DEG C, ceramic powders after must being pre-processed after drying；Parts by weight meter, 1 part of hydroxypropyl methyl is chosen respectively Cellulose, 5 parts of glycerine, 1 part of 1-METHYLPYRROLIDONE, 2 parts of sodium tripolyphosphates, 40 parts of water and 50 parts of absolute ethyl alcohols, stirring are mixed It is 3.0 to share the sulphur acid for adjusting pH value of mass fraction 40%, and modification liquid is obtained after regulation；In mass ratio 1:3, by modification liquid and pretreatment Ceramic powders mix afterwards, are heated to 50 DEG C, are placed in after being stirred 20min in baking oven, are heated to 120 DEG C, dry 10h, dry It can obtain modified porous ceramics afterwards；Count in parts by weight, choose 2 parts of sodium nitrate, 1 part of potassium dihydrogen phosphate, 0.1 part of chlorination respectively Calcium, 0.3 part of magnesium sulfate, 0.01 part of iron chloride, 20 parts of agar, 1000 parts of deionized waters, 121 are heated to after being stirred 10min DEG C, sterilization treatment 15min obtains culture medium；Count in parts by weight, respectively choose 80 parts of modified porous ceramics, 5 parts of bentonites, 2 parts Zeolite, 1 part of γ-ureidopropyltriethoxysilane, 1 part of laccase and 800 parts of culture mediums；Sequentially added into culture medium laccase, Modified porous ceramics, bentonite, zeolite and bentonite, are heated to 30 DEG C, 30h are stirred with 100r/min rotating speeds, after stirring Filtering, obtains filter residue, natural air drying, you can obtain being used for degradation of formaldehyde filler.
Example 2
Porous ceramics is weighed, is put into pulverizer and crushes, 110 mesh sieves is crossed, obtains porous ceramic powders, in mass ratio 1:8, will be porous Ceramic powders are added in the citric acid solution of mass fraction 10%, are filtered after soaking 21h, are obtained filter residue, be put into after washing in baking oven, 15h is dried at a temperature of 75 DEG C, ceramic powders after must being pre-processed after drying；Parts by weight meter, 2 parts of hydroxypropyl methyl fibres are chosen respectively Element, 7 parts of glycerine, 2 parts of 1-METHYLPYRROLIDONEs, 3 parts of sodium tripolyphosphates, 45 parts of water and 55 parts of absolute ethyl alcohols are tieed up, are stirred use The sulphur acid for adjusting pH value of mass fraction 40% is 3.3, and modification liquid is obtained after regulation；In mass ratio 1:3, it will be made pottery after modification liquid and pretreatment Porcelain powder mixes, and is heated to 60 DEG C, is placed in after being stirred 25min in baking oven, is heated to 130 DEG C, dries 11h, after drying i.e. It can obtain modified porous ceramics；Count in parts by weight, respectively choose 3 parts of sodium nitrate, 2 parts of potassium dihydrogen phosphates, 0.2 part of calcium chloride, 0.4 part of magnesium sulfate, 0.02 part of iron chloride, 23 parts of agar, 1100 parts of deionized waters, 121 DEG C are heated to after being stirred 13min, Sterilization treatment 17min obtains culture medium；Count in parts by weight, choose 90 parts of modified porous ceramics, 7 parts of bentonites, 3 parts of boilings respectively Stone, 2 parts of 3- glycydoxy methyl diethoxies silicon, 2 parts of laccases and 900 parts of culture mediums；Into culture medium successively Laccase, modified porous ceramics, bentonite, zeolite and bentonite are added, 33 DEG C is heated to, is stirred with 110r/min rotating speeds 35h, filtered after stirring, obtain filter residue, natural air drying, you can obtain being used for degradation of formaldehyde filler.
Example 3
Porous ceramics is weighed, is put into pulverizer and crushes, 120 mesh sieves is crossed, obtains porous ceramic powders, in mass ratio 1:8, will be porous Ceramic powders are added in the citric acid solution of mass fraction 10%, are filtered after soaking 22h, are obtained filter residue, be put into after washing in baking oven, 20h is dried at a temperature of 80 DEG C, ceramic powders after must being pre-processed after drying；Parts by weight meter, 3 parts of hydroxypropyl methyl fibres are chosen respectively Element, 10 parts of glycerine, 3 parts of 1-METHYLPYRROLIDONEs, 4 parts of sodium tripolyphosphates, 50 parts of water and 60 parts of absolute ethyl alcohols are tieed up, are stirred It is 3.5 with the sulphur acid for adjusting pH value of mass fraction 40%, modification liquid is obtained after regulation；In mass ratio 1:3, after modification liquid and pretreatment Ceramic powders mix, and are heated to 70 DEG C, are placed in after being stirred 30min in baking oven, are heated to 140 DEG C, dry 12h, after drying It can obtain modified porous ceramics；Count in parts by weight, choose 4 parts of sodium nitrate, 3 parts of potassium dihydrogen phosphates, 0.3 part of chlorination respectively Calcium, 0.5 part of magnesium sulfate, 0.03 part of iron chloride, 25 parts of agar, 1200 parts of deionized waters, 121 are heated to after being stirred 15min DEG C, sterilization treatment 20min obtains culture medium；Count in parts by weight, choose 100 parts of modified porous ceramics, 10 parts of bentonites, 4 respectively Part zeolite, 3 parts of N-（β-aminoethyl）- γ-aminopropyltriethoxy dimethoxysilane, 3 parts of laccases and 1000 parts of culture mediums；To culture Laccase, modified porous ceramics, bentonite, zeolite and bentonite are sequentially added in base, 35 DEG C is heated to, is stirred with 120r/min rotating speeds Mixing 40h is mixed, is filtered after stirring, obtains filter residue, natural air drying, you can obtain being used for degradation of formaldehyde filler.
Reference examples：The photocatalyst of Shanghai Materials Co., Ltd production.
The photocatalyst of example and reference examples is detected, specific detection is as follows：
Specific testing result such as table 1.
As shown in Table 1, the degradation of formaldehyde filler that is used for that the present invention is prepared has absorption degradation effect of formaldehyde obvious.

Claims (4)

1. one kind is used for degradation of formaldehyde filler, count in parts by weight, choose respectively 80~100 parts it is modified porous it is ceramic, 5~10 parts Bentonite, 2~4 parts of zeolites, 1~3 part of silane coupler, 1~3 part of laccase and 800~1000 parts of culture mediums；
It is characterized in that：Modified porous ceramic specific preparation process is：
Porous ceramics is weighed, is put into pulverizer and crushes, sieves, obtains porous ceramic powders, in mass ratio 1:8, by porous ceramics Powder is added in citric acid solution, is filtered after immersion, is obtained filter residue, be put into after washing in baking oven, ceramics after must being pre-processed after drying Powder；
Count in parts by weight, choose 1~3 part of hydroxypropyl methyl cellulose, 5~10 parts of glycerine, 1~3 part of N- methyl pyrrole respectively Pyrrolidone, 2~4 parts of sodium tripolyphosphates, 40~50 parts of water and 50~60 parts of absolute ethyl alcohols, it is stirred with the sulphur of mass fraction 40% Acid for adjusting pH value is 3.0~3.5, and modification liquid is obtained after regulation；
In mass ratio 1:3, ceramic powders after modification liquid and pretreatment are mixed, dried after heating mixing, you can it is more to obtain modification Hole ceramics.
A kind of 2. preparation method for degradation of formaldehyde filler as claimed in claim 1, it is characterised in that：Specific preparation process For：
（1）Count in parts by weight, respectively choose 2~4 parts of sodium nitrate, 1~3 part of potassium dihydrogen phosphate, 0.1~0.3 part of calcium chloride, 0.3~0.5 part of magnesium sulfate, 0.01~0.03 part of iron chloride, 20~25 parts of agar, 1000~1200 parts of deionized waters, stirring are mixed 121 DEG C are heated to after closing 10~15min, 15~20min of sterilization treatment obtains culture medium；
（2）Laccase, modified porous ceramics, bentonite, zeolite and bentonite are sequentially added into culture medium, is heated to 30~35 DEG C, 30~40h is stirred with 100~120r/min rotating speeds, is filtered after stirring, obtains filter residue, natural air drying, you can be used for Degradation of formaldehyde filler.
3. one kind according to claim 1 is used for degradation of formaldehyde filler, it is characterised in that：Described silane coupler is γ-ureidopropyltriethoxysilane, 3- glycydoxies methyl diethoxy silicon and N-（β-aminoethyl）-γ- One kind in aminopropyltriethoxy dimethoxysilane.
4. one kind according to claim 1 is used for degradation of formaldehyde filler, it is characterised in that：Step（1）Described in lemon The mass fraction of acid solution is 10%.
CN201710509922.9A 2017-06-28 2017-06-28 One kind is used for degradation of formaldehyde filler Withdrawn CN107376868A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109233637A (en) * 2018-07-27 2019-01-18 山东天汇防水股份有限公司 A kind of inner wall of building waterproof applied to indoor environment goes methanal paint and its manufacturing method
CN109289883A (en) * 2018-09-11 2019-02-01 同济大学 A kind of preparation method of photocatalyst preparation

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CN103537255A (en) * 2013-07-28 2014-01-29 王泽辉 Nanometer oxide ceramic purification and adsorption material with decomposition and bactericidal performance
CN104941406A (en) * 2015-05-25 2015-09-30 上海赛菲环境科技有限公司 Efficient targeted filling material of formaldehyde removal filter screen

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CN102260634A (en) * 2010-05-28 2011-11-30 中国科学院成都生物研究所 High-efficiency formaldehyde degrading bacteria and use and using method thereof
CN103537255A (en) * 2013-07-28 2014-01-29 王泽辉 Nanometer oxide ceramic purification and adsorption material with decomposition and bactericidal performance
CN104941406A (en) * 2015-05-25 2015-09-30 上海赛菲环境科技有限公司 Efficient targeted filling material of formaldehyde removal filter screen

Cited By (2)

* Cited by examiner, † Cited by third party
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CN109233637A (en) * 2018-07-27 2019-01-18 山东天汇防水股份有限公司 A kind of inner wall of building waterproof applied to indoor environment goes methanal paint and its manufacturing method
CN109289883A (en) * 2018-09-11 2019-02-01 同济大学 A kind of preparation method of photocatalyst preparation

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