CN107694325A - A kind of special efficacy biology enzyme is except aldehyde air cleaning agent and preparation method thereof - Google Patents

A kind of special efficacy biology enzyme is except aldehyde air cleaning agent and preparation method thereof Download PDF

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Publication number
CN107694325A
CN107694325A CN201710879558.5A CN201710879558A CN107694325A CN 107694325 A CN107694325 A CN 107694325A CN 201710879558 A CN201710879558 A CN 201710879558A CN 107694325 A CN107694325 A CN 107694325A
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China
Prior art keywords
air cleaning
cleaning agent
special efficacy
biology enzyme
aldehyde air
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CN201710879558.5A
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Chinese (zh)
Inventor
李浪
胡朝建
张金明
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Suzhou Baiyi Beiken New Mstar Technology Ltd
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Suzhou Baiyi Beiken New Mstar Technology Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/84—Biological 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
    • B01D53/38—Removing components of undefined structure
    • B01D53/44—Organic components
    • 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
    • B01D53/54—Nitrogen compounds
    • B01D53/58—Ammonia
    • 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
    • B01D2251/00—Reactants
    • B01D2251/95—Specific microorganisms
    • 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
    • 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
    • B01D2257/702—Hydrocarbons
    • B01D2257/7027—Aromatic hydrocarbons
    • 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
    • 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 invention discloses a kind of special efficacy biology enzyme except aldehyde air cleaning agent and preparation method thereof.The present invention's removes aldehyde air cleaning agent, is made up of following weight percent composition：2 ~ 6% laccases, 0.5 ~ 2% formaldehyde dehydrogenase, 0.5 ~ 2% hydrogenlyase, pectase 2 ~ 5%, 0.1 ~ 0.2% are water along the double dehydrogenases of benzene dihydro, 0.1 ~ 0.5% epoxide hydrolase, 0.1 ~ 0.5%NADH, 0.5 ~ 1.5% amino-compound, 0.01 ~ 0.05% activator, 1 ~ 2% stabilizer, 10 ~ 15% plant extract agent, remainder.It is safety and environmental protection of the present invention, easy to operate, can direct spraying in the house ornamentation base material such as furniture, wallpaper, leather, carpet, floor, curtain, decompose the dusty gas such as formaldehyde in air, ammonia, TVOC.

Description

A kind of special efficacy biology enzyme is except aldehyde air cleaning agent and preparation method thereof
Technical field
The invention belongs to depollution of environment field, is related to a kind of special efficacy biology enzyme except aldehyde air cleaning agent and preparation method thereof.
Background technology
In recent years, indoor environmental pollution has become one of killer for having a strong impact on modern humans' health.Fit up indoors During, all more or less containing harmful substances such as formaldehyde, ammonia, VOCS in plank, glue, wall covering, furniture, after finishing Even all can gradually distribute in many decades within several years, so as to influence health.
Formaldehyde is a kind of colourless, readily soluble irritative gas, is generally acknowledged strong noxious material, and the murder by poisoning to human body has strong Toxicity, suspicious teratogenesis, carcinogen are defined as by the World Health Organization (WHO).Formaldehyde has strong carcinogenicity, can cause Rhinocarcinoma, leukemia etc..Moreover, high-concentration formaldehyde has harm to respiratory system, nervous system, immune system, liver.Thus may be used See, the formaldehyde of formaldehyde especially high concentration, can seriously jeopardize health, it has to allow people to pay much attention to.
VOC：That is TOVC, functioning immune power off-leveling can be caused, influence central nervous system work( Energy and digestive system function.There is allergic, throat pain, headache, dizzy, drowsiness, uncomfortable in chest, weak, poor appetite, evil in the lighter The subjective symptoms such as the heart.Severe one can cause bronchitis, allergic asthma, pneumonia, pulmonary edema.Can liver injury and hematopoiesis when serious Systemic-function, there is allergy etc..Polycyclic aromatic hydrocarbon in TVOC etc. has been confirmed as carcinogen.
In order to solve above-mentioned dusty gas harm, there is more application method at present：Photocatalyst, chemisorbed and physics are inhaled It is attached.But photocatalyst clean-up effect under no light condition is extremely limited, chemisorbed easily causes secondary pollution, physical absorption purification The limited secondary replacing of need of effect, cures the symptoms, not the disease.
The A of CN 1004826264 disclose a kind of environment-friendly highly efficient photocatalyst formaldehyde scavenger, contain dioxy in the patent Change titanium, because titanium dioxide needs to be catalyzed under ultraviolet light, therefore, under unglazed or visible ray, effect is extremely limited.
Application No. 201610676136.3, a kind of aldehyde remover is disclosed, the oily ethylene urea in patent sea, guanidine hydrochloride, phosphoric acid The chemical substances such as diamines, carbonic acid hydrazine, copper sulphate, zinc sulfate, potassium permanganate, secondary pollution, especially potassium permanganate can be caused strong Oxidisability can damage fitment material for family in itself.
Application No. 201510457429.8, a kind of aldehyde remover is disclosed, although PARA FORMALDEHYDE PRILLS(91,95) has certain effect, family Pollution is not limited only to formaldehyde, other pollutants such as also substantial amounts of benzene homologues, can not thoroughly purify the air of a room.
The content of the invention
For overcome the deficiencies in the prior art, the invention provides a kind of special efficacy biology enzyme to remove aldehyde air cleaning agent and its preparation side Method, there is the biocompatibility of height, do not cause secondary pollution, can formaldehyde, ammonia, benzene, first in fast decoupled room air pollution The pernicious gases such as benzene, dimethylbenzene.
To achieve these goals, the present invention uses following technical scheme：A kind of special efficacy biology enzyme removes aldehyde air cleaning agent, by matter Percentages are measured, include following material：
Laccase 2 ~ 6%
Formaldehyde dehydrogenase 0.5 ~ 2%
Hydrogenlyase 0.5 ~ 2%
Pectase 2 ~ 5%
Along the double dehydrogenases 0.1 ~ 0.2% of Benzenediol
Epoxide hydrolase 0.1-0.5%
NADH 0.1-0.5%
Amino-compound 0.5 ~ 1.5%
Activator 0.01 ~ 0.05%
Stabilizer 1 ~ 2%
The remainder of plant extract agent 10 ~ 15% is water.
Preferably, by mass percentage, comprising following material：
Laccase 3 ~ 5%
Formaldehyde dehydrogenase 1 ~ 1.5%
Hydrogenlyase 1 ~ 1.5%
Pectase 3 ~ 4%
Along the double dehydrogenases 0.1 ~ 0.2% of Benzenediol
Epoxide hydrolase 0.1-0.5%
NADH 0.1-0.5%
Amino-compound 0.5 ~ 1%
Activator 0.01 ~ 0.05%
Stabilizer 1 ~ 2%
The remainder of plant extract agent 10 ~ 15% is water.
Preferably, described activator is glutathione.
Preferably, the stabilizer is the mixture of acetate buffer, lysozyme and glycerine.
Preferably, the amino-compound is glycine, lysine hydrochloride, tryptophan, one kind in glutamic acid or more Kind.
Present invention further teaches the preparation method that a kind of special efficacy biology enzyme removes aldehyde air cleaning agent, the preparation method includes as follows Step：
According to mass percent meter, 0.5 ~ 1.5% amino-compound, 1 ~ 2% stabilizer, 0.01 ~ 0.05% activator are dissolved in water In, dissolving is sufficiently stirred, 3 ~ 6% laccases, 0.5 ~ 2% formaldehyde dehydrogenase, 0.5 ~ 2% hydrogenlyase, 2 ~ 5% are added into solution Pectase, 0.1 ~ 0.2% are along Benzenediol double dehydrogenase, 0.1 ~ 0.5% epoxide hydrolase, 0.1 ~ 0.5%NADH, plant extracts The water of agent 10 ~ 15% and surplus continues to stir, and the special efficacy biology enzyme for being made described removes aldehyde air cleaning agent.
The special efficacy biology enzyme of the present invention removes aldehyde air cleaning agent, detects comprehensive enzyme activity 30000U/ml, and enzyme activity stability is high.The special efficacy is given birth to Thing enzyme is efficiently single-minded except aldehyde air cleaning agent is by biological enzymatic reaction.Such as：Aldehyde dehydrogenase and formaldehyde generation formic acid, formate dehydrogenase Formic acid is resolved into CO2 by enzyme.Benzene changes into cis- dihydro Benzenediol by NADH under the conditions of oxygenation, by double along Benzenediol Catechol is metabolized in the presence of dehydrogenase, then laccase, epoxide hydrolase collective effect under thoroughly decompose.
The special efficacy biology enzyme of the present invention removes aldehyde air cleaning agent, easy to use, does not cause secondary pollution, sprayable in furniture, wall Paper, leather, carpet, floor, curtain and automobile etc., to except aldehydes and persistent organic pollutants, including formaldehyde, benzene, toluene, Dimethylbenzene, ammonia and TVOC, reach the purpose of purification air.
Embodiment
Technical scheme is further illustrated below by embodiment.
Present invention is disclosed a kind of special efficacy biology enzyme except aldehyde air cleaning agent and preparation method thereof, the special efficacy biology enzyme are net except aldehyde Taste agent, by mass percentage, include following material：
Laccase 2 ~ 6%
Formaldehyde dehydrogenase 0.5 ~ 2%
Hydrogenlyase 0.5 ~ 2%
Pectase 2 ~ 5%
Along the double dehydrogenases 0.1 ~ 0.2% of Benzenediol
Epoxide hydrolase 0.1-0.5%
NADH 0.1-0.5%
Amino-compound 0.5 ~ 1.5%
Activator 0.01 ~ 0.05%
Stabilizer 1 ~ 2%
The remainder of plant extract agent 10 ~ 15% is water.
A kind of special efficacy biology enzyme is except aldehyde air cleaning agent and preparation method thereof, and the special efficacy biology enzyme removes aldehyde air cleaning agent, by quality Percentages, include following material：
Laccase 3 ~ 5%
Formaldehyde dehydrogenase 1 ~ 1.5%
Hydrogenlyase 1 ~ 1.5%
Pectase 3 ~ 4%
Along the double dehydrogenases 0.1 ~ 0.2% of Benzenediol
Epoxide hydrolase 0.1-0.5%
NADH 0.1-0.5%
Amino-compound 0.5 ~ 1%
Activator 0.01 ~ 0.05%
Stabilizer 1 ~ 2%
The remainder of plant extract agent 10 ~ 15% is water.
In the technical program, the activator is glutathione, the stabilizer be acetate buffer, lysozyme and The mixture of glycerine, the amino-compound are the one or more in glycine, lysine hydrochloride, tryptophan, glutamic acid.
Present invention further teaches the preparation method that a kind of special efficacy biology enzyme removes aldehyde air cleaning agent, the preparation method includes as follows Step：
According to mass percent meter, 0.5 ~ 1.5% amino-compound, 1 ~ 2% stabilizer, 0.01 ~ 0.05% activator are dissolved in water In, dissolving is sufficiently stirred, 3 ~ 6% laccases, 0.5 ~ 2% formaldehyde dehydrogenase, 0.5 ~ 2% hydrogenlyase, 2 ~ 5% are added into solution Pectase, 0.1 ~ 0.2% are along Benzenediol double dehydrogenase, 0.1 ~ 0.5% epoxide hydrolase, 0.1 ~ 0.5%NADH, plant extracts The water of agent 10 ~ 15% and surplus continues to stir, and the special efficacy biology enzyme for being made described removes aldehyde air cleaning agent.
Specifically, embodiment 1：0.8% glycine, 2% stabilizer, 0.03% glutathione is soluble in water, it is sufficiently stirred, then to 4% laccase, 1.2% formaldehyde dehydrogenase, 1.2% hydrogenlyase, %, 3% pectase, 0.2% are added in solution along the double dehydrogenations of Benzenediol Enzyme, 0.2% epoxide hydrolase, 0.2%NADH, 13% plant extract agent and remaining water continue to stir, and described special efficacy life is made Thing enzyme removes aldehyde air cleaning agent.
Embodiment 2：0.8% glycine, 2% stabilizer, 0.03% glutathione is soluble in water, it is sufficiently stirred, then to solution 4% laccase of middle addition, 1.4% formaldehyde dehydrogenase, 1.4% hydrogenlyase, 3% pectase, 0.2% are along Benzenediol double dehydrogenase, 0.2% Epoxide hydrolase, 0.2%NADH, 13% plant extract agent and remaining water continue to stir, and the special efficacy biology enzyme for being made described removes Aldehyde air cleaning agent.Embodiment 3：0.8% lysine hydrochloride, 2% stabilizer, 0.03% glutathione is soluble in water, it is sufficiently stirred, 4% laccase, 1.0% formaldehyde dehydrogenase, 1.0% hydrogenlyase, 4% pectase, 0.2% double de- along Benzenediol is added into solution again Hydrogen enzyme, 0.3% epoxide hydrolase, 0.3%NADH, 13% plant extract agent and remaining water continue to stir, and described spy is made Effect biology enzyme removes aldehyde air cleaning agent.
Embodiment 4：0.8% lysine hydrochloride, 2% stabilizer, 0.03% glutathione is soluble in water, it is sufficiently stirred, then 5% laccase, 1.4% formaldehyde dehydrogenase, 1.4% hydrogenlyase, %, 4% pectase, 0.3% double de- along Benzenediol is added into solution Hydrogen enzyme, 0.3% epoxide hydrolase, 0.3%NADH, 13% plant extract agent and remaining water continue to stir, and described special efficacy is made Biology enzyme removes aldehyde air cleaning agent.
By Laboratory Module method, with reference to BB/T 50325-2010《Civil building engineering indoor pollutant controls specification》, with first Aldehyde, toluene, dimethylbenzene, n-butyl acetate are pollutant, and case 1-4 is tested, and test box volume is 1M3.Test result As shown in table 1：
Table 1
The present invention is by reasonably matching, and obtained special efficacy biology enzyme removes aldehyde air cleaning agent, and PARA FORMALDEHYDE PRILLS(91,95), benzene homologues, esters are equal There is good clean-up effect, clean-up effect can reach more than 97% within 24 hours.
It is of the invention safe and reliable, have no toxic side effect, reference《Disinfection technology standard》Version in 2002, Part II, 2.3.3, Disposably intact skin excitant/corrosivity monitor result is：Under this experiment condition, sample is once complete to new zealand rabbit Skin irritation/corrosion test result is nonirritant.Reference《Disinfection technology standard》Version in 2002, Part II, 2.3.1, acute oral toxicity test test result is：Under this experiment condition, sample is orally malicious to SFP level KM chmice acutes Property LD50＞ 5000mg/kg.BW, belong to actual nontoxic.
The present invention uses newest Purification biotechnology, suitable for the improvement of any room air pollution, can be used for The vehicles such as automobile, train, aircraft.
Several cases of the present invention are above are only, but the design concept of the present invention is not limited thereto.

Claims (6)

1. a kind of special efficacy biology enzyme removes aldehyde air cleaning agent, it is characterised in that by mass percentage, includes following material：
2. a kind of special efficacy biology enzyme according to claim 1 removes aldehyde air cleaning agent, it is characterised in that by mass percentage, Include following material：
3. a kind of special efficacy biology enzyme according to claim 1 or 2 removes aldehyde air cleaning agent, it is characterised in that：Described activator For glutathione.
4. a kind of special efficacy biology enzyme according to claim 1 or 2 removes aldehyde air cleaning agent, it is characterised in that：The stabilizer is The mixture of acetate buffer, lysozyme and glycerine.
5. a kind of special efficacy biology enzyme according to claim 1 or 2 removes aldehyde air cleaning agent, it is characterised in that：The amino chemical combination Thing is the one or more in glycine, lysine hydrochloride, tryptophan, glutamic acid.
6. a kind of special efficacy biology enzyme removes the preparation method of aldehyde air cleaning agent, it is characterised in that：The preparation method comprises the following steps： According to mass percent meter, 0.5~1.5% amino-compound, 1~2% stabilizer, 0.01~0.05% activator are dissolved in water In, be sufficiently stirred dissolving, into solution add 3~6% laccases, 0.5~2% formaldehyde dehydrogenase, 0.5~2% hydrogenlyase, 2~5% pectases, 0.1~0.2% are along Benzenediol double dehydrogenase, 0.1~0.5% epoxide hydrolase, 0.1~0.5% NADH, plant extract agent 10~15% and surplus water continue to stir, and the special efficacy biology enzyme for being made described removes aldehyde air cleaning agent.
CN201710879558.5A 2017-09-26 2017-09-26 A kind of special efficacy biology enzyme is except aldehyde air cleaning agent and preparation method thereof Pending CN107694325A (en)

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Cited By (9)

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Publication number Priority date Publication date Assignee Title
CN108744946A (en) * 2018-05-18 2018-11-06 朱文杰 A kind of preparation method of biological enzyme formaldehyde scavenger
CN108786432A (en) * 2018-04-29 2018-11-13 广州长裕化工科技有限公司 A kind of biological enzyme air purifying preparation and the preparation method and application thereof
CN110038429A (en) * 2019-04-25 2019-07-23 南京先材环保科技有限公司 A kind of preparation method and application of the peculiar smell agent for capturing for removing odors
CN111389206A (en) * 2020-02-26 2020-07-10 杭州魔力草环保科技有限公司 Air purification compound agent suitable for decoration pollution and preparation method thereof
CN112619407A (en) * 2019-10-09 2021-04-09 山东摩卡智能科技有限公司 Preparation method of macromolecule biological enzyme formaldehyde removing agent
CN113058420A (en) * 2021-03-16 2021-07-02 河北福赛生物科技发展有限公司 Biological enzyme formaldehyde scavenger with film covering and sealing performance and preparation method thereof
CN113351007A (en) * 2021-06-10 2021-09-07 河北福赛生物科技发展有限公司 Lasting biological enzyme formaldehyde scavenger
CN114904384A (en) * 2021-06-04 2022-08-16 浙江施维康生物医学材料有限公司 Air purifying agent containing biological enzyme and preparation method thereof
CN115025615A (en) * 2021-07-16 2022-09-09 浙江施维康生物医学材料有限公司 Multifunctional active biological enzyme and preparation method thereof

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CN104857843A (en) * 2015-04-28 2015-08-26 孙祥章 Biological enzyme air purifying agent, preparation method and application thereof
CN104874286A (en) * 2015-06-15 2015-09-02 孙祥章 Immobilized enzyme formaldehyde-eliminating environment-friendly laminating agent
CN107174947A (en) * 2016-03-10 2017-09-19 程威军 It is a kind of efficiently to remove formaldehyde taste removal air purifying preparation and preparation method

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CN101765455A (en) * 2008-04-30 2010-06-30 Lg电子株式会社 Air cleaning filter comprising formaldehyde dehydrogenase and process for producing the same
US20120219480A1 (en) * 2009-08-31 2012-08-30 Diversey, Inc. Compositions for wet air scrubbers and methods for operating and cleaning wet air scrubbers using the same
CN101804215A (en) * 2010-04-07 2010-08-18 陕西科技大学 Aloe extractive as methanal trapping agent and preparation method thereof
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108786432A (en) * 2018-04-29 2018-11-13 广州长裕化工科技有限公司 A kind of biological enzyme air purifying preparation and the preparation method and application thereof
CN108744946A (en) * 2018-05-18 2018-11-06 朱文杰 A kind of preparation method of biological enzyme formaldehyde scavenger
CN110038429A (en) * 2019-04-25 2019-07-23 南京先材环保科技有限公司 A kind of preparation method and application of the peculiar smell agent for capturing for removing odors
CN112619407A (en) * 2019-10-09 2021-04-09 山东摩卡智能科技有限公司 Preparation method of macromolecule biological enzyme formaldehyde removing agent
CN111389206A (en) * 2020-02-26 2020-07-10 杭州魔力草环保科技有限公司 Air purification compound agent suitable for decoration pollution and preparation method thereof
CN111389206B (en) * 2020-02-26 2023-04-07 杭州魔力草环保科技有限公司 Air purification compound agent suitable for being used after decoration pollution and preparation method thereof
CN113058420A (en) * 2021-03-16 2021-07-02 河北福赛生物科技发展有限公司 Biological enzyme formaldehyde scavenger with film covering and sealing performance and preparation method thereof
CN114904384A (en) * 2021-06-04 2022-08-16 浙江施维康生物医学材料有限公司 Air purifying agent containing biological enzyme and preparation method thereof
CN114904384B (en) * 2021-06-04 2023-08-22 浙江施维康生物医学材料有限公司 Biological enzyme-containing air purifying agent and preparation method thereof
CN113351007A (en) * 2021-06-10 2021-09-07 河北福赛生物科技发展有限公司 Lasting biological enzyme formaldehyde scavenger
CN115025615A (en) * 2021-07-16 2022-09-09 浙江施维康生物医学材料有限公司 Multifunctional active biological enzyme and preparation method thereof
CN115025615B (en) * 2021-07-16 2023-11-24 浙江施维康生物医学材料有限公司 Multi-effect active biological enzyme and preparation method thereof

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Application publication date: 20180216