CN112619407A - Preparation method of macromolecule biological enzyme formaldehyde removing agent - Google Patents
Preparation method of macromolecule biological enzyme formaldehyde removing agent Download PDFInfo
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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
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
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Abstract
The invention belongs to the technical field of formaldehyde removal, and discloses a preparation method of a macromolecular biological enzyme formaldehyde removal agent, which comprises the following steps: A. weighing the following components in parts by mass: 2-6 parts of amino high-molecular polymer, 2-4 parts of biological enzyme composition, 3-7 parts of molecular sieve, 1-3 parts of plant extract, 0.4-0.8 part of protective agent, 1-2 parts of buffering agent, 0.1-0.3 part of preservative, 0.1-0.3 part of essence, 1-3 parts of adhesive, 0.2-0.6 part of pH regulator, 0.1-0.3 part of humectant and the balance of deionized water. The preparation process is simple, and the prepared macromolecule biological enzyme formaldehyde remover is safe, nontoxic, biodegradable, free of secondary pollution, capable of quickly decomposing formaldehyde in indoor air, mainly applied to indoor living environment and automobiles for removing formaldehyde, and meanwhile, has the effects of removing benzene and ester pollutants, long effect duration, no corrosion effect on the surface of a treated object, obvious effect and quick effect.
Description
Technical Field
The invention relates to the technical field of formaldehyde removal, in particular to a preparation method of a macromolecular biological enzyme formaldehyde removing agent.
Background
In recent years, indoor environmental pollution has become one of killers which seriously affect the health of modern people, and in the process of indoor decoration, wood boards, glue, wall coatings and furniture contain more or less harmful substances such as formaldehyde, toluene, VOCS and the like, and the harmful substances are gradually emitted in years or even tens of years after decoration, so that the health of human bodies is affected.
Formaldehyde is a colorless and easily soluble irritant gas, is a well-known strong toxic substance, has strong toxicity to the toxicity of human bodies, is determined as a suspicious teratogenic and carcinogenic substance by the World Health Organization (WHO), has strong carcinogenicity, can cause nasal cancer, leukemia and the like, and has harm to the respiratory system, the nervous system, the immune system and the liver due to high-concentration formaldehyde, so that the formaldehyde, particularly the high-concentration formaldehyde, can seriously endanger the health of the human bodies and has to be paid high attention to.
In the prior art, a plurality of formaldehyde removing agents are prepared, but most of the formaldehyde removing agents are complex in process, the prepared formaldehyde removing agents have a certain effect on formaldehyde, but secondary pollution can be caused, household pollution is not limited to formaldehyde, a large amount of benzene and other pollutants exist, and indoor air cannot be thoroughly purified.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a preparation method of a macromolecular biological enzyme formaldehyde remover, which has the advantages of simple preparation process, no secondary pollution and capability of removing benzene pollutants, and solves the problems that most of the formaldehyde removers in the prior art are complex in process, and the prepared formaldehyde remover has a certain effect on formaldehyde, but causes secondary pollution, and household pollution is not only limited to formaldehyde, but also a large amount of other pollutants such as benzene pollutants and the like, and cannot thoroughly purify indoor air.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme:
a preparation method of a macromolecule biological enzyme formaldehyde removing agent comprises the following steps:
A. weighing the following components in parts by mass: 2-6 parts of amino high-molecular polymer, 2-4 parts of biological enzyme composition, 3-7 parts of molecular sieve, 1-3 parts of plant extract, 0.4-0.8 part of protective agent, 1-2 parts of buffering agent, 0.1-0.3 part of preservative, 0.1-0.3 part of essence, 1-3 parts of adhesive, 0.2-0.6 part of pH regulator, 0.1-0.3 part of humectant and the balance of deionized water;
B. firstly, 30% of deionized water is put into a stirrer, then a molecular sieve is added, and the mixture is stirred at the speed of 500-600 r/min for 12-18 min to obtain slurry a;
C. b, sequentially putting the amino high-molecular polymer, the biological enzyme composition, the plant extract, the protective agent, the buffering agent, the preservative, the essence, the adhesive and the rest deionized water weighed in the step A into the slurry a obtained in the step B, mixing, and stirring at the speed of 500-600 r/min for 15-25 min to obtain a mixed solution B;
D. putting the PH regulator weighed in the step A into the mixed solution b obtained in the step C, and regulating the PH of the mixed solution to 8-9 to obtain a mixed solution C;
E. and D, putting the humectant weighed in the step A into the mixed solution c in the step D, stirring at the speed of 300-400 r/min for 10-20 min, and uniformly stirring to obtain the macromolecular biological enzyme aldehyde remover.
Preferably, the biological enzyme composition is a mixture of formaldehyde dehydrogenase, polyphenol oxidase and superoxide dismutase, and the weight ratio of the formaldehyde dehydrogenase to the polyphenol oxidase to the superoxide dismutase is 6: 1: formaldehyde dehydrogenase oxidizes formaldehyde into formic acid, and simultaneously converts the formic acid into carbon dioxide and water under the assistance of polyphenol oxidase and superoxide dismutase, so that the formaldehyde is harmless, and the polyphenol oxidase and superoxide dismutase can also oxidize benzene and ester substances into nontoxic and harmless substances.
Preferably, the plant extract is one or more of green tea extract, yucca extract and camphor tree extract, and the plant extract can synergistically treat formaldehyde and convert into substances which are non-toxic and harmless to the environment and human body.
Preferably, the protective agent is one or a mixture of chitosan, chitosan hydrochloride or trehalose, the protective agent mainly plays a role in wrapping the biological enzyme composition, and meanwhile, the protective agent has a film forming function and can be adsorbed on the surface of an object, so that the enzyme can be in full contact with the surface of the object, and the effect can be fully exerted.
Preferably, the buffer is one or a mixture of citric acid, sodium citrate or triethanolamine, the buffer maintains the biological enzyme in an optimal pH environment to enable the activity of the enzyme to be maximized, the preservative is one or a mixture of nisin and lysozyme, and the preservative can kill malodorous microorganisms in the environment, so that the purpose of removing hydrogen sulfide, ammonia gas and other odorous substances in the environment is achieved.
Preferably, the molecular sieve is one of MCM-41 molecular sieves or HMS molecular sieves, the molecular sieve has extremely strong adsorption capacity, the adhesive is rosin modified resin, the adsorption capacity of the adhesive to polar gases such as formaldehyde is high, and free formaldehyde in the air can be quickly adsorbed and condensed into a liquid state.
(III) advantageous effects
Compared with the prior art, the invention provides a preparation method of a macromolecule biological enzyme formaldehyde removing agent, which has the following beneficial effects:
the preparation method of the macromolecular biological enzyme formaldehyde remover has the advantages that the process is simple, the prepared macromolecular biological enzyme formaldehyde remover is safe, non-toxic and biodegradable, does not produce secondary pollution, can quickly decompose formaldehyde in indoor air, is mainly applied to indoor living environments and automobiles to remove formaldehyde, can greatly reduce formaldehyde generated by furniture, leather, blankets and the like, and also has the effects of removing benzene and ester pollutants, the effect duration is long, no corrosion is caused to the surface of a treated object, the effect is obvious, and the effect is quick.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
a preparation method of a macromolecule biological enzyme formaldehyde removing agent comprises the following steps:
A. weighing the following components in parts by mass: 2 parts of amino high molecular polymer, 2 parts of biological enzyme composition, 3 parts of molecular sieve, 1 part of plant extract, 0.4 part of protective agent, 1 part of buffering agent, 0.1 part of preservative, 0.1 part of essence, 1 part of adhesive, 0.2 part of pH regulator, 0.1 part of humectant and the balance of deionized water.
B. Firstly, 30% of deionized water is put into a stirrer, then a molecular sieve is added, and the mixture is stirred for 18min at the speed of 500r/min to obtain slurry a;
C. sequentially putting the amino high molecular polymer, the biological enzyme composition, the plant extract, the protective agent, the buffering agent, the preservative, the essence, the adhesive and the rest deionized water weighed in the step A into the slurry a obtained in the step B, mixing, and stirring at the speed of 500r/min for 25min to obtain a mixed solution B;
D. b, putting the PH regulator weighed in the step A into the mixed solution b obtained in the step C, and regulating the PH of the mixed solution to 8 to obtain a mixed solution C;
E. and D, putting the humectant weighed in the step A into the mixed solution c in the step D, stirring at the speed of 300r/min for 20min, and uniformly stirring to obtain the macromolecular biological enzyme aldehyde removing agent.
Further, the biological enzyme composition is a mixture of formaldehyde dehydrogenase, polyphenol oxidase and superoxide dismutase, and the weight ratio of the formaldehyde dehydrogenase to the polyphenol oxidase to the superoxide dismutase is 6: 1: 1.
further, the plant extract is one or more of green tea extract, yucca extract or camphor tree extract.
Further, the protective agent is one or a mixture of chitosan, chitosan hydrochloride or trehalose.
Further, the buffer is one or a mixture of citric acid, sodium citrate or triethanolamine, and the preservative is one or a mixture of two of nisin and lysozyme.
Furthermore, the molecular sieve is one of MCM-41 molecular sieves or HMS molecular sieves, and the adhesive is rosin modified resin.
Example two:
a preparation method of a macromolecule biological enzyme formaldehyde removing agent comprises the following steps:
A. weighing the following components in parts by mass: 4 parts of amino high molecular polymer, 3 parts of biological enzyme composition, 5 parts of molecular sieve, 2 parts of plant extract, 0.6 part of protective agent, 1.5 parts of buffering agent, 0.2 part of preservative, 0.2 part of essence, 2 parts of adhesive, 0.4 part of pH regulator, 0.2 part of humectant and the balance of deionized water.
B. Firstly, 30% of deionized water is put into a stirrer, then a molecular sieve is added, and the mixture is stirred for 15min at the speed of 550r/min to obtain slurry a;
C. sequentially putting the amino high molecular polymer, the biological enzyme composition, the plant extract, the protective agent, the buffering agent, the preservative, the essence, the adhesive and the rest deionized water weighed in the step A into the slurry a obtained in the step B, mixing, and stirring at the speed of 550r/min for 20min to obtain a mixed solution B;
D. b, putting the PH regulator weighed in the step A into the mixed solution b obtained in the step C, and regulating the PH of the mixed solution to 8.5 to obtain a mixed solution C;
E. and D, putting the humectant weighed in the step A into the mixed solution c in the step D, stirring at the speed of 350r/min for 15min, and uniformly stirring to obtain the macromolecular biological enzyme aldehyde removing agent.
Further, the biological enzyme composition is a mixture of formaldehyde dehydrogenase, polyphenol oxidase and superoxide dismutase, and the weight ratio of the formaldehyde dehydrogenase to the polyphenol oxidase to the superoxide dismutase is 6: 1: 1.
further, the plant extract is one or more of green tea extract, yucca extract or camphor tree extract.
Further, the protective agent is one or a mixture of chitosan, chitosan hydrochloride or trehalose.
Further, the buffer is one or a mixture of citric acid, sodium citrate or triethanolamine, and the preservative is one or a mixture of two of nisin and lysozyme.
Furthermore, the molecular sieve is one of MCM-41 molecular sieves or HMS molecular sieves, and the adhesive is rosin modified resin.
Example three:
a preparation method of a macromolecule biological enzyme formaldehyde removing agent comprises the following steps:
A. weighing the following components in parts by mass: 6 parts of amino high molecular polymer, 4 parts of biological enzyme composition, 7 parts of molecular sieve, 3 parts of plant extract, 0.8 part of protective agent, 2 parts of buffering agent, 0.3 part of preservative, 0.3 part of essence, 3 parts of adhesive, 0.6 part of pH regulator, 0.3 part of humectant and the balance of deionized water.
B. Firstly, 30% of deionized water is put into a stirrer, then a molecular sieve is added, and the mixture is stirred for 12min at the speed of 600r/min to obtain slurry a;
C. b, sequentially putting the amino high-molecular polymer, the biological enzyme composition, the plant extract, the protective agent, the buffering agent, the preservative, the essence, the adhesive and the rest deionized water weighed in the step A into the slurry a obtained in the step B, mixing, and stirring at the speed of 600r/min for 15min to obtain a mixed solution B;
D. b, putting the PH regulator weighed in the step A into the mixed solution b obtained in the step C, and regulating the PH of the mixed solution to 9 to obtain a mixed solution C;
E. and D, putting the humectant weighed in the step A into the mixed solution c in the step D, stirring at the speed of 400r/min for 10min, and uniformly stirring to obtain the macromolecular biological enzyme aldehyde removing agent.
Further, the biological enzyme composition is a mixture of formaldehyde dehydrogenase, polyphenol oxidase and superoxide dismutase, and the weight ratio of the formaldehyde dehydrogenase to the polyphenol oxidase to the superoxide dismutase is 6: 1: 1.
further, the plant extract is one or more of green tea extract, yucca extract or camphor tree extract.
Further, the protective agent is one or a mixture of chitosan, chitosan hydrochloride or trehalose.
Further, the buffer is one or a mixture of citric acid, sodium citrate or triethanolamine, and the preservative is one or a mixture of two of nisin and lysozyme.
Furthermore, the molecular sieve is one of MCM-41 molecular sieves or HMS molecular sieves, and the adhesive is rosin modified resin.
Experimental example:
by an experimental cabin method, refer to BB/T50325-Building engineering indoor pollutant control Specification, formaldehyde, toluene, xylene, n-butyl acetate as pollutants, and test of examples one to three with test chamber volume of 1M3The test results are shown in the following table:
from the above table, it can be seen that: the macromolecule biological enzyme formaldehyde removing agent obtained by reasonable proportioning has good purification effect on formaldehyde, benzene pollutants and ester pollutants, and the purification effect can reach more than 97% in 24 hours.
The action mechanism of the invention is as follows:
the molecular sieve has strong adsorption capacity, the adhesive has higher adsorption capacity to polar gases such as formaldehyde and the like, free formaldehyde in the air can be quickly adsorbed and condensed into liquid, and the formaldehyde is adsorbed by the molecular sieve and the adhesive under the dual actions of the molecular sieve and the adhesive and then reacts under the catalysis of the biological enzyme composition to purify the formaldehyde in the air, wherein formaldehyde is oxidized into formic acid by formaldehyde dehydrogenase and is converted into carbon dioxide and water under the assistance of polyphenol oxidase and superoxide dismutase, so that the formaldehyde is harmless; the polyphenol oxidase and the superoxide dismutase can also oxidize benzene and ester substances into nontoxic and harmless substances, so that the polyphenol oxidase and the superoxide dismutase have multiple effects of removing formaldehyde and benzene pollutants;
the plant extract also contains various enzyme systems and substances which can degrade formaldehyde, and the formaldehyde is cooperatively treated to be converted into substances which are nontoxic and harmless to the environment and human bodies, the main function of the protective agent is to wrap the biological enzyme composition in the plant extract, and meanwhile, the protective agent has a film forming function and can be adsorbed on the surface of an object, so that the enzyme can be fully contacted with the surface of the object, the effect can be fully exerted, the function of the buffering agent is mainly to ensure that the biological enzyme is maintained in an optimal pH environment, the activity of the enzyme can be maximized, and the preservative can kill odor-producing microorganisms in the environment, thereby achieving the purpose of removing odor substances such as hydrogen sulfide, ammonia gas and the like in the environment.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (6)
1. A preparation method of a macromolecule biological enzyme formaldehyde removing agent is characterized by comprising the following steps: the method comprises the following steps:
A. weighing the following components in parts by mass: 2-6 parts of amino high-molecular polymer, 2-4 parts of biological enzyme composition, 3-7 parts of molecular sieve, 1-3 parts of plant extract, 0.4-0.8 part of protective agent, 1-2 parts of buffering agent, 0.1-0.3 part of preservative, 0.1-0.3 part of essence, 1-3 parts of adhesive, 0.2-0.6 part of pH regulator, 0.1-0.3 part of humectant and the balance of deionized water;
B. firstly, 30% of deionized water is put into a stirrer, then a molecular sieve is added, and the mixture is stirred at the speed of 500-600 r/min for 12-18 min to obtain slurry a;
C. b, sequentially putting the amino high-molecular polymer, the biological enzyme composition, the plant extract, the protective agent, the buffering agent, the preservative, the essence, the adhesive and the rest deionized water weighed in the step A into the slurry a obtained in the step B, mixing, and stirring at the speed of 500-600 r/min for 15-25 min to obtain a mixed solution B;
D. putting the PH regulator weighed in the step A into the mixed solution b obtained in the step C, and regulating the PH of the mixed solution to 8-9 to obtain a mixed solution C;
E. and D, putting the humectant weighed in the step A into the mixed solution c in the step D, stirring at the speed of 300-400 r/min for 10-20 min, and uniformly stirring to obtain the macromolecular biological enzyme aldehyde remover.
2. The method for preparing the polymeric bio-enzyme aldehyde removing agent according to claim 1, wherein the method comprises the following steps: the biological enzyme composition is a mixture of formaldehyde dehydrogenase, polyphenol oxidase and superoxide dismutase, and the weight ratio of the formaldehyde dehydrogenase to the polyphenol oxidase to the superoxide dismutase is 6: 1: 1.
3. the method for preparing the polymeric bio-enzyme aldehyde removing agent according to claim 1, wherein the method comprises the following steps: the plant extract is one or more of green tea extract, yucca extract or camphor tree extract.
4. The method for preparing the polymeric bio-enzyme aldehyde removing agent according to claim 1, wherein the method comprises the following steps: the protective agent is one or a mixture of chitosan, chitosan hydrochloride or trehalose.
5. The method for preparing the polymeric bio-enzyme aldehyde removing agent according to claim 1, wherein the method comprises the following steps: the buffer is one or a mixture of citric acid, sodium citrate or triethanolamine, and the preservative is one or a mixture of two of nisin and lysozyme.
6. The method for preparing the polymeric bio-enzyme aldehyde removing agent according to claim 1, wherein the method comprises the following steps: the molecular sieve is one of MCM-41 molecular sieves or HMS molecular sieves, and the adhesive is rosin modified resin.
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| 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 |
| CN114231505A (en) * | 2021-12-16 | 2022-03-25 | 中晟普能环保科技(北京)有限公司 | Biological enzyme preparation beneficial to removing peculiar smell and preparation method thereof |
| CN114558425A (en) * | 2022-04-19 | 2022-05-31 | 珠海市合顺兴日化股份有限公司 | Color-changeable formaldehyde odor removing paste and application thereof |
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