CN110818079A - Bioactive carbon source for sewage treatment and preparation method thereof - Google Patents
Bioactive carbon source for sewage treatment and preparation method thereof Download PDFInfo
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- CN110818079A CN110818079A CN201911141800.4A CN201911141800A CN110818079A CN 110818079 A CN110818079 A CN 110818079A CN 201911141800 A CN201911141800 A CN 201911141800A CN 110818079 A CN110818079 A CN 110818079A
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
Abstract
The invention discloses a biological active carbon source for sewage treatment and a preparation method thereof, wherein the biological active carbon source comprises the following raw materials in parts by weight: 30-35 parts of polyhydric alcohol, 10-20 parts of chitin, 0.5-1.5 parts of vitamin, 3-6 parts of glucose, 20-22 parts of crude glycerol, 2-5 parts of strains and 20-25.5 parts of deionized water, wherein the types of the strains adopt any one or combination of bacteria, actinomycetes, saccharomycetes and mould, and the invention relates to the technical field of sewage treatment. The biological active carbon source for sewage treatment and the preparation method thereof adopt the polyhydric alcohol as a substrate, and the chitin, the vitamins, the glucose, the crude glycerol and the strains as raw materials to form the carbon source, the COD equivalent of the prepared biological active carbon source can reach over 200000mg/L, the PH is between 5 and 7, the denitrification and the denitrification are effectively promoted, the biological phosphorus removal is enhanced, the investment cost is low, the addition amount is small, the operation cost is greatly reduced, the characteristic of explosive and flammable property of methanol and ethanol as the carbon source is avoided, the potential safety hazard is eliminated, and the purpose of safe use is achieved.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a bioactive carbon source for sewage treatment and a preparation method thereof.
Background
The sewage treatment is a process for purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. The sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is also increasingly advanced to the daily life of common people, and the problem of nitrogen pollution in water in China is very serious at present. According to investigation, a sewage plant can easily convert ammonia nitrogen into nitrate nitrogen, and the ammonia nitrogen can easily reach the emission standard, but due to the lack of a carbon source, the C/N value is low, and the problem of insufficient carbon source generally exists in the denitrification process, so that the capability of converting nitrate nitrogen into nitrogen by denitrification is seriously restricted, the denitrification efficiency is influenced, and the total nitrogen can hardly reach the emission standard.
In order to obtain an ideal denitrification effect, a carbon source is usually required to be added into a denitrification reactor, the existing carbon source for sewage treatment is a solid carbon source such as sodium acetate and glucose, liquid carbon sources such as methanol and ethanol are high in cost and large in dosage, the operation cost is increased, the methanol and the ethanol not only cause high operation cost, but also the carbon source is an explosive and combustible substance and has certain potential safety hazard, and therefore, a biological active carbon source for sewage treatment is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a bioactive carbon source for sewage treatment and a preparation method thereof, and solves the problems that the existing carbon source for sewage treatment has high cost of sodium acetate and glucose, large adding amount, high operation cost of methanol and ethanol, explosive and inflammable substances and potential safety hazard.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a biological active carbon source for sewage treatment comprises the following raw materials in parts by weight: 30-35 parts of polyhydric alcohol, 10-20 parts of chitin, 0.5-1.5 parts of vitamin, 3-6 parts of glucose, 20-22 parts of crude glycerol, 2-5 parts of strain and 20-25.5 parts of deionized water.
Preferably, the raw materials comprise by weight: 31 parts of polyol, 20 parts of chitin, 1 part of vitamin, 6 parts of glucose, 20 parts of crude glycerol, 2 parts of strain and 20 parts of deionized water.
Preferably, the raw materials comprise by weight: 32 parts of polyol, 15 parts of chitin, 1.5 parts of vitamin, 5 parts of glucose, 21 parts of crude glycerol, 3 parts of strain and 22.5 parts of deionized water.
Preferably, the raw materials comprise by weight: 33 parts of polyol, 12 parts of chitin, 0.5 part of vitamin, 4 parts of glucose, 22 parts of crude glycerol, 5 parts of strain and 23.5 parts of deionized water.
Preferably, the raw materials comprise by weight: 34 parts of polyol, 18 parts of chitin, 1 part of vitamin, 3 parts of glucose, 21 parts of crude glycerol, 2 parts of strain and 21 parts of deionized water.
Preferably, the raw materials comprise by weight: 35 parts of polyhydric alcohol, 10 parts of chitin, 1.5 parts of vitamin, 5 parts of glucose, 20 parts of crude glycerol, 3 parts of strain and 25.5 parts of deionized water.
Preferably, the species of the bacteria is any one or more of bacteria, actinomycetes, yeasts and molds.
The invention also discloses a preparation method of the bioactive carbon source for sewage treatment, which comprises the following steps:
s1, mixing the raw materials: firstly, weighing the raw materials according to the proportion, then pouring the polyol and the deionized water into a mixing container for mixing, adding the chitin and the vitamin in sequence after mixing fully, and stirring by a stirring rod;
s2, heating in water bath: heating the mixing container in S1 in water bath, uniformly heating at 40 ℃ by a heating device, continuously adding glucose, crude glycerol and strain raw materials, and continuously stirring for 2h by a stirring rod under heat preservation;
s3, cooling and sealing: and (5) taking out the mixing container in the step S2, closing the heating device, waiting for the mixed liquid in the mixing container to be cooled to room temperature, taking out the mixed liquid after the mixed liquid is cooled to the room temperature, and sealing by using a sealing device to obtain the bioactive carbon source.
(III) advantageous effects
The invention provides a bioactive carbon source for sewage treatment and a preparation method thereof. Compared with the prior art, the method has the following beneficial effects: the biological active carbon source for sewage treatment and the preparation method thereof comprise the following raw materials in parts by weight: 30-35 parts of polyhydric alcohol, 10-20 parts of chitin, 0.5-1.5 parts of vitamin, 3-6 parts of glucose, 20-22 parts of crude glycerol, 2-5 parts of strain, 20-25.5 parts of deionized water, S1 and raw material mixing: firstly, weighing the raw materials according to the proportion, then pouring the polyol and the deionized water into a mixing container for mixing, adding the chitin and the vitamin in sequence after mixing fully, and stirring by a stirring rod; s2, heating in water bath: heating the mixing container in S1 in water bath, uniformly heating at 40 ℃ by a heating device, continuously adding glucose, crude glycerol and strain raw materials, and continuously stirring for 2h by a stirring rod under heat preservation; s3, cooling and sealing: the method comprises the steps of taking out the mixing container in the S2, closing the heating device, waiting for the mixed liquid in the mixing container to be cooled to room temperature, taking out the mixed liquid after the mixed liquid is cooled to room temperature, and sealing the mixed liquid by using a sealing device to obtain the bioactive carbon source, wherein the bioactive carbon source is formed by using the polyhydric alcohol as a substrate and using the chitin, the vitamins, the glucose, the crude glycerol and the strains as raw materials.
Drawings
FIG. 1 is a table of comparative experimental data for market materials according to the present invention;
FIG. 2 is a table of comparative experimental data statistics for examples of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.
Referring to fig. 1-2, an embodiment of the present invention provides a technical solution: a biological active carbon source for sewage treatment and a preparation method thereof specifically comprise the following embodiments:
example 1
The raw materials comprise by weight: 31 parts of polyol, 20 parts of chitin, 1 part of vitamin, 6 parts of glucose, 20 parts of crude glycerol, 2 parts of strain and 20 parts of deionized water.
The invention also discloses a preparation method of the bioactive carbon source for sewage treatment, which comprises the following steps:
s1, mixing the raw materials: firstly, weighing the raw materials according to the proportion, then pouring the polyol and the deionized water into a mixing container for mixing, adding the chitin and the vitamin in sequence after mixing fully, and stirring by a stirring rod;
s2, heating in water bath: heating the mixing container in S1 in water bath, uniformly heating at 40 ℃ by a heating device, continuously adding glucose, crude glycerol and strain raw materials, and continuously stirring for 2h by a stirring rod under heat preservation;
s3, cooling and sealing: and (5) taking out the mixing container in the step S2, closing the heating device, waiting for the mixed liquid in the mixing container to be cooled to room temperature, taking out the mixed liquid after the mixed liquid is cooled to the room temperature, and sealing by using a sealing device to obtain the bioactive carbon source.
Example 2
The raw materials comprise by weight: 32 parts of polyol, 15 parts of chitin, 1.5 parts of vitamin, 5 parts of glucose, 21 parts of crude glycerol, 3 parts of strain and 22.5 parts of deionized water.
The invention also discloses a preparation method of the bioactive carbon source for sewage treatment, which comprises the following steps:
s1, mixing the raw materials: firstly, weighing the raw materials according to the proportion, then pouring the polyol and the deionized water into a mixing container for mixing, adding the chitin and the vitamin in sequence after mixing fully, and stirring by a stirring rod;
s2, heating in water bath: heating the mixing container in S1 in water bath, uniformly heating at 40 ℃ by a heating device, continuously adding glucose, crude glycerol and strain raw materials, and continuously stirring for 2h by a stirring rod under heat preservation;
s3, cooling and sealing: and (5) taking out the mixing container in the step S2, closing the heating device, waiting for the mixed liquid in the mixing container to be cooled to room temperature, taking out the mixed liquid after the mixed liquid is cooled to the room temperature, and sealing by using a sealing device to obtain the bioactive carbon source.
Example 3
The raw materials comprise by weight: 33 parts of polyol, 12 parts of chitin, 0.5 part of vitamin, 4 parts of glucose, 22 parts of crude glycerol, 5 parts of strain and 23.5 parts of deionized water.
The invention also discloses a preparation method of the bioactive carbon source for sewage treatment, which comprises the following steps:
s1, mixing the raw materials: firstly, weighing the raw materials according to the proportion, then pouring the polyol and the deionized water into a mixing container for mixing, adding the chitin and the vitamin in sequence after mixing fully, and stirring by a stirring rod;
s2, heating in water bath: heating the mixing container in S1 in water bath, uniformly heating at 40 ℃ by a heating device, continuously adding glucose, crude glycerol and strain raw materials, and continuously stirring for 2h by a stirring rod under heat preservation;
s3, cooling and sealing: and (5) taking out the mixing container in the step S2, closing the heating device, waiting for the mixed liquid in the mixing container to be cooled to room temperature, taking out the mixed liquid after the mixed liquid is cooled to the room temperature, and sealing by using a sealing device to obtain the bioactive carbon source.
Example 4
The raw materials comprise by weight: 34 parts of polyol, 18 parts of chitin, 1 part of vitamin, 3 parts of glucose, 21 parts of crude glycerol, 2 parts of strain and 21 parts of deionized water.
The invention also discloses a preparation method of the bioactive carbon source for sewage treatment, which comprises the following steps:
s1, mixing the raw materials: firstly, weighing the raw materials according to the proportion, then pouring the polyol and the deionized water into a mixing container for mixing, adding the chitin and the vitamin in sequence after mixing fully, and stirring by a stirring rod;
s2, heating in water bath: heating the mixing container in S1 in water bath, uniformly heating at 40 ℃ by a heating device, continuously adding glucose, crude glycerol and strain raw materials, and continuously stirring for 2h by a stirring rod under heat preservation;
s3, cooling and sealing: and (5) taking out the mixing container in the step S2, closing the heating device, waiting for the mixed liquid in the mixing container to be cooled to room temperature, taking out the mixed liquid after the mixed liquid is cooled to the room temperature, and sealing by using a sealing device to obtain the bioactive carbon source.
Example 5
The raw materials comprise by weight: 35 parts of polyhydric alcohol, 10 parts of chitin, 1.5 parts of vitamin, 5 parts of glucose, 20 parts of crude glycerol, 3 parts of strain and 25.5 parts of deionized water.
The invention also discloses a preparation method of the bioactive carbon source for sewage treatment, which comprises the following steps:
s1, mixing the raw materials: firstly, weighing the raw materials according to the proportion, then pouring the polyol and the deionized water into a mixing container for mixing, adding the chitin and the vitamin in sequence after mixing fully, and stirring by a stirring rod;
s2, heating in water bath: heating the mixing container in S1 in water bath, uniformly heating at 40 ℃ by a heating device, continuously adding glucose, crude glycerol and strain raw materials, and continuously stirring for 2h by a stirring rod under heat preservation;
s3, cooling and sealing: and (5) taking out the mixing container in the step S2, closing the heating device, waiting for the mixed liquid in the mixing container to be cooled to room temperature, taking out the mixed liquid after the mixed liquid is cooled to the room temperature, and sealing by using a sealing device to obtain the bioactive carbon source.
As can be seen from fig. 1-2, the denitrification efficiency of the bioactive carbon source formed by the raw material ratios adopted in examples 1-5 is far better than that of the carbon source formed by the market raw material, and the raw material ratio adopted in example 2 achieves the best effect and has the highest denitrification efficiency, so that the raw material ratios are the best ratios; the other four effects are all possible.
In conclusion, the biological active carbon source prepared by the method has COD equivalent of over 200000mg/L and PH of 5-7, can effectively promote denitrification and enhance biological phosphorus removal, has the characteristics of low input cost, small dosage, greatly reduced operation cost, avoidance of explosive and flammable characteristics of methanol and ethanol as carbon sources, elimination of potential safety hazards, safety in use and higher utilization efficiency, and ensures that total nitrogen reaches the emission standard.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A biological active carbon source for sewage treatment is characterized in that: the raw materials comprise by weight: 30-35 parts of polyhydric alcohol, 10-20 parts of chitin, 0.5-1.5 parts of vitamin, 3-6 parts of glucose, 20-22 parts of crude glycerol, 2-5 parts of strain and 20-25.5 parts of deionized water.
2. The bioactive carbon source for sewage treatment as claimed in claim 1, wherein: the raw materials comprise by weight: 31 parts of polyol, 20 parts of chitin, 1 part of vitamin, 6 parts of glucose, 20 parts of crude glycerol, 2 parts of strain and 20 parts of deionized water.
3. The bioactive carbon source for sewage treatment as claimed in claim 1, wherein: the raw materials comprise by weight: 32 parts of polyol, 15 parts of chitin, 1.5 parts of vitamin, 5 parts of glucose, 21 parts of crude glycerol, 3 parts of strain and 22.5 parts of deionized water.
4. The bioactive carbon source for sewage treatment as claimed in claim 1, wherein: the raw materials comprise by weight: 33 parts of polyol, 12 parts of chitin, 0.5 part of vitamin, 4 parts of glucose, 22 parts of crude glycerol, 5 parts of strain and 23.5 parts of deionized water.
5. The bioactive carbon source for sewage treatment as claimed in claim 1, wherein: the raw materials comprise by weight: 34 parts of polyol, 18 parts of chitin, 1 part of vitamin, 3 parts of glucose, 21 parts of crude glycerol, 2 parts of strain and 21 parts of deionized water.
6. The bioactive carbon source for sewage treatment as claimed in claim 1, wherein: the raw materials comprise by weight: 35 parts of polyhydric alcohol, 10 parts of chitin, 1.5 parts of vitamin, 5 parts of glucose, 20 parts of crude glycerol, 3 parts of strain and 25.5 parts of deionized water.
7. A biologically active carbon source for wastewater treatment according to claims 1-6, wherein: the species of the strains adopt any one or combination of more of bacteria, actinomycetes, microzyme and mould.
8. A biologically active carbon source for treatment of wastewater according to any one of claims 1 to 6, wherein: the preparation method specifically comprises the following steps:
s1, mixing the raw materials: firstly, weighing the raw materials according to the proportion, then pouring the polyol and the deionized water into a mixing container for mixing, adding the chitin and the vitamin in sequence after mixing fully, and stirring by a stirring rod;
s2, heating in water bath: heating the mixing container in S1 in water bath, uniformly heating at 40 ℃ by a heating device, continuously adding glucose, crude glycerol and strain raw materials, and continuously stirring for 2h by a stirring rod under heat preservation;
s3, cooling and sealing: and (5) taking out the mixing container in the step S2, closing the heating device, waiting for the mixed liquid in the mixing container to be cooled to room temperature, taking out the mixed liquid after the mixed liquid is cooled to the room temperature, and sealing by using a sealing device to obtain the bioactive carbon source.
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| CN112919645A (en) * | 2021-01-25 | 2021-06-08 | 东莞市顶盛环保科技有限公司 | Multi-dimensional composite carbon source composition and preparation method thereof |
| CN117105434A (en) * | 2023-10-25 | 2023-11-24 | 中工环境科技有限公司 | Carbon source medicament for sewage treatment and preparation method and application thereof |
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Application publication date: 20200221 |