CN112047589B - Preparation method of environment-friendly enzyme and application of environment-friendly enzyme in sludge deodorization - Google Patents
Preparation method of environment-friendly enzyme and application of environment-friendly enzyme in sludge deodorization Download PDFInfo
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- CN112047589B CN112047589B CN202010932982.3A CN202010932982A CN112047589B CN 112047589 B CN112047589 B CN 112047589B CN 202010932982 A CN202010932982 A CN 202010932982A CN 112047589 B CN112047589 B CN 112047589B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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- 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
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Abstract
The invention provides a preparation process of an environment-friendly enzyme and application thereof in sludge deodorization: the method comprises the following process steps: 1) preparing a fermentation raw material; 2) preparing materials, cutting and mixing uniformly; 3) mixing the materials according to the proportion of water, fermentation raw material and brown sugar being 10:3: 1; 4) putting water, fermentation raw materials and brown sugar into a container in sequence, and uniformly stirring; 5) sealing and fermenting, wherein air is required to be discharged and stirred for 1-30 days; 6) sealing and storing after 30 days, and carrying out an anaerobic process for more than 210 days; 7) and filtering to obtain the environment-friendly enzyme with the sludge deodorization function. The application of the environment-friendly ferment comprises the following steps: according to the environment-friendly enzyme: the sludge is proportioned in a ratio of 1: 50-100; firstly, adding water according to the proportion of 1:1, uniformly stirring, and then putting the mixture into a sludge sedimentation tank. The invention is realized as follows: the environment-friendly enzyme can degrade sludge odor, eliminate the pollution of odor to the environment, improve the working environment and ensure the health of workers; after treatment, the sludge can be improved into organic fertilizer, the fertilizer is suitable for crop planting, soil can be improved, soil hardening is prevented, and waste is changed into valuable; simple and convenient use, environmental protection, ecology, less investment and obvious effect.
Description
Technical Field
The invention belongs to the technical field of microbial fermentation, and particularly relates to a preparation method of an environment-friendly enzyme and application of the environment-friendly enzyme in sludge deodorization.
Background
Under the anoxic environment, a large amount of anaerobic bacteria can live in the sludge, the anaerobic bacteria metabolize, the organic substances are not completely decomposed, and if ammonia gas, methane and the like are generated to cause sludge odor, the sludge causes great pollution and influence on the environment. For example, down feather used as down feather products is mainly processed from duck and goose feathers through a series of processes, but the down feather is an animal protein fiber, duck and goose feathers purchased from slaughterhouses or markets have certain impurities, sand ash, grease and bacteria, at present, down feather processing and producing enterprises, in the process of down feather cleaning, a certain amount of sediments enter a sedimentation tank to form sludge after sewage discharged by the down feather cleaning is treated by a sewage treatment system, and the sludge is composed of the impurity, sand ash, grease and bacteria carried by the duck, goose and other animal feathers, and the residual bacteria are as follows: fecal streptococcus, clostridium bisulfite, salmonella, etc., which produce odor with no specific odor. In addition, the sludge deposited in the sewage treatment process of the existing urban sewage treatment system is also very smelly, some sludge is directly conveyed to a refuse landfill, and some sludge cannot be accepted by the public due to the fact that the sludge is not solved, the use is influenced, the working environment and the physical health of workers are influenced, and the environment is greatly polluted although the sludge is extruded or dried to remove moisture and is prepared to be used as fertilizer.
Disclosure of Invention
The invention aims to overcome the defects and provide a preparation method of an environment-friendly enzyme, and application of the environment-friendly enzyme in deodorization and sludge odor degradation of down feather washing sludge and sludge of sewage treatment plants, so that environmental pollution caused by odor is eliminated, the working environment is improved, and the physical health of workers is guaranteed.
The technical scheme adopted by the invention for solving the technical problems is as follows: a preparation method of an environment-friendly enzyme comprises the following steps: the method comprises the following process steps:
(1) preparation of fermentation feedstock: selecting herbal plants, fruits or fruit peels with a deodorizing function; the weight percentage of each component in the formula is as follows: 15-25% of common lantana, 15-25% of sticktight, 13-18% of astronomical grass, 3-8% of cacumen biotae, 8-13% of Chinese wampee leaf, 3-8% of mulberry leaf, 8-13% of pineapple peel, 4-7% of lemon and 7-12% of orange and tangerine;
(2) preparing materials according to the formula amount in the step (1), cutting the materials, uniformly mixing the cut materials, and weighing fermentation raw materials;
(3) mixing the materials according to the proportion of water, fermentation raw material and brown sugar being 10:3: 1;
(4) putting water, fermentation raw materials and brown sugar into a container in sequence, filling 70-80% of the space of the container, and uniformly stirring;
(5) sealing the opening of the container for fermentation, and opening the opening of the container every 1-30 days to deflate and stir once;
(6) sealing and storing after 30 days, sealing and storing at normal temperature and normal pressure, and performing an anaerobic process for more than 210 days;
(7) and filtering to obtain the environment-friendly enzyme with the sludge deodorization function.
The sludge in the step (7) is sludge in a sewage treatment plant or a down feather washing and related enterprise sewage treatment system sedimentation tank.
An environment-friendly ferment prepared by the preparation method.
The application of the environment-friendly ferment in sludge deodorization is as follows: the application of the environment-friendly ferment in sludge deodorization comprises the following steps: according to the environment-friendly enzyme: the sludge is proportioned in a ratio of 1: 50-100; when in use, according to the environment-friendly enzyme: adding water according to the proportion of 1:1, uniformly stirring to obtain an environment-friendly enzyme mixed solution, and putting the environment-friendly enzyme mixed solution into a sludge deposition pool.
The invention utilizes specific plant source materials, and is prepared by scientific compatibility through continuous perfect research and test in recent years. It is characterized by that it can remove odour source and improve environment. Firstly, lantana camara, sticktight, astronomical grass, cacumen biotae, Chinese wampee leaves and mulberry leaf herb are natural odor-removing plants, have the effects of clearing heat, removing dryness, sterilizing, diminishing inflammation and resisting oxidation, mostly contain active ingredients such as flavones (flavones, isoflavones, saponins and the like) and polyphenols with oxidation resistance, usually exist in a glycoside form, mostly are insoluble in water due to the large molecular weight, after fermentation, raw material tissues are disintegrated under the action of microbial enzymes, functional ingredients in raw material cells are fully released, the best effects of resisting bacteria, removing odor and the like can be further improved through fermentation conversion, and the odor is fragrant. On the other hand, the pineapple peels, the lemons, the oranges and the oranges contain a large amount of substances such as citric acid, malic acid and the like, have aromatic odor and unique flavanone components, have a plurality of biological pharmacological activities such as sterilization, inflammation diminishing, oxidation resistance, peculiar smell removal and the like, have strong fat solubility, are insoluble in water and difficult to extract, are extracted by the fermentation action of microorganisms, and can well adsorb fat-soluble odor molecules, fully dissolve the fat-soluble odor molecules and transfer the fat-soluble odor molecules from a gas phase to a liquid phase; odor molecules can be adsorbed and absorbed by microorganisms, enter cells and are decomposed and utilized by the microorganisms as nutrient substances, so that pollutants are removed; meanwhile, various enzymes produced by microbial metabolism in the ferment act on malodorous gas molecules to react with the malodorous gas molecules to decompose or convert the malodorous gas molecules to remove the odor.
The invention is realized as follows: the environment-friendly enzyme is used for treating sludge in a sedimentation tank of a sewage treatment system, so that sludge odor can be degraded, the pollution of the odor to the environment can be eliminated, the working environment can be improved, and the health of workers can be guaranteed; the device is suitable for treating the sludge in sewage treatment plants, down feather washing and sedimentation tanks of sewage treatment systems of related enterprises; after treatment, the sludge can be improved into organic fertilizer, the organic fertilizer is suitable for planting flowers, plants, trees and crops, the soil can be improved, the soil is prevented from hardening, and waste is changed into valuable; meanwhile, the application method is simple and convenient, and has the characteristics of environmental protection, ecology, less investment and obvious effect.
Detailed Description
The invention is described in further detail below by way of examples:
example 1:
a preparation method of an environment-friendly enzyme comprises the following steps: the method comprises the following process steps:
(1) preparation of fermentation feedstock: selecting herbal plants, fruits or fruit peels with a deodorizing function; the weight percentage of each component in the formula is as follows: 18% of common lantana, 18% of spanishneedles herb, 14% of astronomical grass, 4% of cacumen biotae, 9% of Chinese wampee leaf, 5% of mulberry leaf, 13% of pineapple peel, 7% of lemon and 12% of orange and tangerine;
(2) preparing materials according to the formula amount in the step (1), cutting the materials, uniformly mixing the cut materials, and weighing fermentation raw materials;
(3) mixing the materials according to the proportion of water, fermentation raw material and brown sugar being 10:3: 1;
(4) putting water, fermentation raw materials and brown sugar into a container in sequence, filling 75% of the space of the container, and uniformly stirring;
(5) sealing the opening of the container for fermentation, and opening the opening of the container every 1-30 days to deflate and stir once;
(6) sealing and storing after 30 days, sealing and storing at normal temperature and normal pressure, and carrying out an anaerobic process for 210 days;
(7) and filtering to obtain the environment-friendly enzyme with the sludge deodorization function.
The environment-friendly ferment prepared by the preparation method is provided.
The application of the environment-friendly ferment in sludge deodorization is as follows: according to the environment-friendly enzyme: the sludge is proportioned in a ratio of 1: 50-300; when in use, according to the environment-friendly enzyme: adding water according to the proportion of 1:1, uniformly stirring to obtain an environment-friendly enzyme mixed solution, putting the environment-friendly enzyme mixed solution into a sludge deposition pool of a sewage treatment system of a down feather production enterprise, and observing the change condition of sludge odor after a certain period of time, wherein the details are shown in the following table.
| Enzyme: down feather washing sludge | 1 hour | 5 hours | 24 hours | 48 hours |
| 1：25 | Mixed smells | Odor reduction | Is odorless | Is odorless |
| 1：50 | Mixed smells | Odor reduction | Is odorless | Is odorless |
| 1：100 | More mud smells | Slightly reduced odor | Slight odor | Is odorless |
| 1：200 | More mud smells | More mud smells | Has a little odor | Has a little odor |
| 1：300 | Stink smell | Stink smell | Has a little odor | Has a little odor |
From the above experiments, it can be seen that when the enzyme: sludge is greater than or equal to 1: 100, and after 24 hours, the odor of the sludge can be weakened or not smelly, and after treatment, the sludge of a sewage treatment system of a down feather production enterprise can be improved to be organic fertilizer, so that the method is suitable for planting flowers, plants and crops, and can also improve soil.
Example 2:
a preparation method of an environment-friendly enzyme comprises the following steps: the method comprises the following process steps:
(1) preparation of fermentation feedstock: selecting herbal plants, fruits or fruit peels with a deodorizing function; the weight percentage of each component in the formula is as follows: 20% of lantana camara, 20% of bidens bipinnata, 15% of astronomical grass, 5% of cacumen biotae, 10% of Chinese wampee leaves, 5% of mulberry leaves, 10% of pineapple peels, 5% of lemons and 10% of oranges;
(2) preparing materials according to the formula amount in the step (1), cutting the materials, uniformly mixing the cut materials, and weighing fermentation raw materials;
(3) mixing the materials according to the proportion of water, fermentation raw material and brown sugar being 10:3: 1;
(4) putting water, fermentation raw materials and brown sugar into a container in sequence, filling 75% of the space of the container, and uniformly stirring;
(5) sealing the opening of the container for fermentation, and opening the opening of the container every 1-30 days to deflate and stir once;
(6) sealing and storing after 30 days, sealing and storing at normal temperature and normal pressure, and carrying out an anaerobic process for 210 days;
(7) and filtering to obtain the environment-friendly enzyme with the sludge deodorization function.
The environment-friendly ferment prepared by the preparation method is provided.
The application of the environment-friendly ferment in sludge deodorization is as follows: according to the environment-friendly enzyme: the sludge is proportioned in a ratio of 1: 50-300; when in use, according to the environment-friendly enzyme: adding water according to the proportion of 1:1, uniformly stirring to obtain an environment-friendly enzyme mixed solution, putting the environment-friendly enzyme mixed solution into a sludge deposition pool of a sewage treatment plant, and observing the change condition of sludge odor after a certain period of time, wherein the details are shown in the following table.
| Enzyme: sludge of sewage treatment plant | 1 hour | 5 hours | 24 hours | 48 hours |
| 1：25 | Mixed smells | Odor reduction | Is odorless | Is odorless |
| 1：50 | Mixed smells | Odor reduction | Is odorless | Is odorless |
| 1：100 | More mud smells | Slightly reduced odor | Slight odor | Is odorless |
| 1：200 | More mud smells | More mud smells | Has a little odor | Has a little odor |
| 1：300 | Stink smell | Stink smell | Has a little odor | Has a little odor |
From the above experiments, it can be seen that when the enzyme: sludge is greater than or equal to 1: 100, and after 24 hours, the odor of the sludge can be weakened or not smelly, and after treatment, the sludge in a sewage treatment plant can be improved into organic fertilizer, so that the fertilizer is suitable for planting flowers, plants, trees and crops, and can also improve soil.
It is to be understood that the invention is not limited to the specific embodiments described above, but is intended to cover various insubstantial modifications of the inventive process concepts and solutions, or its application to other applications without modification.
Claims (3)
1. A preparation method of an environment-friendly enzyme comprises the following steps: the method comprises the following process steps:
(1) preparation of fermentation feedstock: the weight percentage of each component in the formula is as follows: 15-25% of common lantana, 15-25% of sticktight, 13-18% of astronomical grass, 3-8% of cacumen biotae, 8-13% of Chinese wampee leaf, 3-8% of mulberry leaf, 8-13% of pineapple peel, 4-7% of lemon and 7-12% of orange and tangerine;
(2) preparing materials according to the formula amount in the step (1), cutting the materials, and uniformly mixing the cut materials to obtain a fermentation raw material;
(3) mixing the materials according to the proportion of water, fermentation raw material and brown sugar being 10:3: 1;
(4) putting water, fermentation raw materials and brown sugar into a container in sequence, filling 70-80% of the space of the container, and uniformly stirring;
(5) sealing the opening of the container for fermentation, and opening the opening of the container every 1-30 days to deflate and stir once;
(6) sealing and storing after 30 days, sealing and storing at normal temperature and normal pressure, and performing an anaerobic process for more than 210 days;
(7) filtering to obtain the environment-friendly enzyme with the sludge deodorization function;
and (7) the sludge in the step (7) is sludge in a sewage treatment plant or a sewage treatment system sedimentation tank of a down washing enterprise.
2. An environment-friendly enzyme prepared according to the preparation method of claim 1.
3. The use of the green enzyme of claim 2 for sludge deodorization: according to the environment-friendly enzyme: the sludge is proportioned in a ratio of 1: 50-100; when in use, according to the environment-friendly enzyme: adding water according to the proportion of 1:1, uniformly stirring to obtain an environment-friendly enzyme mixed solution, and putting the environment-friendly enzyme mixed solution into a sludge deposition pool.
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| CN101073674B (en) * | 2007-06-22 | 2010-12-29 | 俞祖勋 | Production of deodorant |
| CN105506751B (en) * | 2016-01-31 | 2018-01-19 | 潮州市吴越羽绒有限公司 | A kind of environmental protection processing method with antibacterial and deodouring healthcare function eider down |
| CN107281928B (en) * | 2017-06-28 | 2019-08-16 | 山东博华高效生态农业科技有限公司 | A kind of environmental protection ferment and its preparation process with deodorization air-cleaning function |
| CN107913584A (en) * | 2017-10-23 | 2018-04-17 | 嘉兴市九分钟生物科技有限公司 | A kind of vegetation water for environment-friendly deodorant itself and preparation method, purposes |
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