CN115072881A - Biological sewage treating method by soil condensation - Google Patents
Biological sewage treating method by soil condensation Download PDFInfo
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- CN115072881A CN115072881A CN202210195702.4A CN202210195702A CN115072881A CN 115072881 A CN115072881 A CN 115072881A CN 202210195702 A CN202210195702 A CN 202210195702A CN 115072881 A CN115072881 A CN 115072881A
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- 239000002689 soil Substances 0.000 title claims abstract description 120
- 238000009833 condensation Methods 0.000 title claims abstract description 63
- 230000005494 condensation Effects 0.000 title claims abstract description 63
- 239000010865 sewage Substances 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 42
- 244000005700 microbiome Species 0.000 claims abstract description 46
- 239000010802 sludge Substances 0.000 claims abstract description 39
- 230000008569 process Effects 0.000 claims abstract description 26
- 239000003864 humus Substances 0.000 claims abstract description 18
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 15
- 239000011707 mineral Substances 0.000 claims abstract description 15
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 14
- 231100000719 pollutant Toxicity 0.000 claims abstract description 14
- 239000002207 metabolite Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 229910001868 water Inorganic materials 0.000 claims description 17
- 239000000126 substance Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 230000014759 maintenance of location Effects 0.000 claims description 8
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- 108090000854 Oxidoreductases Proteins 0.000 claims description 4
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- 238000006482 condensation reaction Methods 0.000 claims description 3
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- 150000004760 silicates Chemical class 0.000 claims description 3
- 241000193830 Bacillus <bacterium> Species 0.000 claims description 2
- 241000186660 Lactobacillus Species 0.000 claims description 2
- 241000192001 Pediococcus Species 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 241000194017 Streptococcus Species 0.000 claims description 2
- 229910021536 Zeolite Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 150000001413 amino acids Chemical class 0.000 claims description 2
- 230000009920 chelation Effects 0.000 claims description 2
- 239000004927 clay Substances 0.000 claims description 2
- 239000003245 coal Substances 0.000 claims description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 2
- 150000004676 glycans Chemical class 0.000 claims description 2
- 239000010438 granite Substances 0.000 claims description 2
- 229940039696 lactobacillus Drugs 0.000 claims description 2
- 230000002503 metabolic effect Effects 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000003415 peat Substances 0.000 claims description 2
- 150000002989 phenols Chemical class 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 229920001282 polysaccharide Polymers 0.000 claims description 2
- 239000005017 polysaccharide Substances 0.000 claims description 2
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- 241000894006 Bacteria Species 0.000 claims 1
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- 239000007859 condensation product Substances 0.000 claims 1
- 239000000356 contaminant Substances 0.000 claims 1
- AZQWKYJCGOJGHM-UHFFFAOYSA-N para-benzoquinone Natural products O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 claims 1
- -1 quinone compound Chemical class 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 229910021654 trace metal Inorganic materials 0.000 claims 1
- 239000002351 wastewater Substances 0.000 claims 1
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- 230000000694 effects Effects 0.000 abstract description 7
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- 238000005516 engineering process Methods 0.000 description 8
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000933832 Broussonetia Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001710 laterite Inorganic materials 0.000 description 1
- 239000011504 laterite Substances 0.000 description 1
- AHEWZZJEDQVLOP-UHFFFAOYSA-N monobromobimane Chemical compound BrCC1=C(C)C(=O)N2N1C(C)=C(C)C2=O AHEWZZJEDQVLOP-UHFFFAOYSA-N 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
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- 238000003672 processing method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 150000004053 quinones Chemical class 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- C02F11/008—Sludge treatment by fixation or solidification
-
- 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
-
- 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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention provides a biological sewage treatment method by utilizing soil condensation, belonging to the field of sewage treatment. The method comprises the steps of adding a soil condensation unit into the existing sewage biological treatment system, placing humus soil containing activated soil minerals and soil microorganisms and metabolites thereof in the soil condensation unit, generating condensation intermediate products by utilizing the condensation effect of the soil microorganisms and activating the microorganisms in the sludge. The mixed liquid containing the activated microorganisms, the soil microorganisms and the condensation intermediate products flows into a sewage biochemical tank to carry out biochemical reactions such as decomposition, condensation, polycondensation, condensation and the like to remove pollutants in the sewage, improve the sewage treatment efficiency, reduce the output of excess sludge, stabilize the excess sludge and reduce the number of pathogenic bacteria in the sewage. The invention can reduce the biological treatment process of sewage and sludge and reduce the specification of the corresponding treatment unit.
Description
Technical Field
The invention relates to a biological sewage treatment method by utilizing soil condensation, belonging to the technical field of sewage treatment.
Background
The existing sewage biological treatment technology is based on various application technologies of an activated sludge method and a biofilm method, and comprises a traditional activated sludge method, a biological filter method, MBR, MBBR and the like, wherein the technologies mainly decompose pollutants in sewage into small molecular substances such as carbon dioxide, water, nitrogen and the like through microbial groups and purify the sewage through microbial proliferation. Although the existing sewage biological treatment technology can efficiently remove pollutants, the biochemical tank has the characteristics of long retention time, poor sludge-water separation performance, high content of easily degradable substances, large output of residual sludge, high sanitation indexes of pathogenic bacteria and the like. Therefore, the existing biological sewage treatment technology needs to be matched with corresponding treatment systems to discharge sewage and sludge up to the standard, such as large-volume biochemical tanks, secondary sedimentation tanks, filter tanks and other sludge-water separation systems, sludge concentration, dehydration, drying and other sludge reduction systems, composting, incineration and other sludge stabilization or treatment systems, disinfection systems and the like.
The soil is used as an important circulating unit in the natural substance circulating process, stable, fluffy and complex humus soil is formed by decomposing organic matters in animal and plant residues by abundant and various microorganisms until carbon dioxide is discharged to the atmosphere, condensing decomposition products or microbial metabolites and the like, and an intermediate product generated in the condensing process has a sterilizing effect, so that the healthy growth of the soil and a surface biological system thereof is ensured. Different soil minerals, soil microorganisms and humus soil inoculated under environmental conditions determine the properties of the soil, such as laterite, black soil, loess and the like.
The existing sewage biological treatment technology focuses on decomposition and transfer of organic matters, namely, decomposing the organic matters into micromolecular carbon dioxide, water, nitrogen and the like and generating excess sludge, and the decomposition process is similar to the decomposition process of soil, so that the condensation effect of the soil is integrated in the sewage treatment technology, pollutants and extracellular polymers in the sewage are condensed to reduce the pollutant load, improve the sludge-water separation performance and stabilize the excess sludge, the sterilization engineering of condensation intermediate products is utilized to strengthen the sewage sanitation index, and the corresponding treatment process in the sewage treatment process can be simplified or the corresponding unit specification can be reduced.
Disclosure of Invention
The invention provides a biological sewage treatment method utilizing soil condensation, aiming at the problems of long hydraulic retention time of a biochemical pool and a sludge-water separation unit in the existing biological sewage treatment technology, poor dehydration performance of residual sludge, high content of easily degradable organic matters and the like, low biological sewage treatment efficiency and difficult sludge treatment. The condensation capacity of soil microorganisms and metabolites thereof can reduce pollution load, reduce the yield of excess sludge, stabilize the excess sludge through a humification process, and inhibit the growth of pathogenic bacteria through the bactericidal capacity of the metabolites. Therefore, the corresponding treatment process in the existing sewage treatment process can be simplified or the corresponding unit specification can be reduced by utilizing the soil condensation effect.
To achieve the above technical object, the processing method of the present invention is as follows:
the sewage biological treatment method utilizing soil condensation is characterized in that a soil condensation unit is arranged in the existing sewage biological treatment system, sludge flows back to the water inlet end of a biochemical pool or the water inlet end of an adjusting pool and passes through the soil condensation unit, a condensation intermediate product is generated by utilizing the condensation effect of soil microorganisms, the microorganisms in the sludge are activated, and mixed liquid containing the activated microorganisms, the soil microorganisms and the condensation intermediate product flows into a sewage biochemical pool and is used for removing pollutants in sewage together with conventional sewage treatment microorganisms. Under the action of soil microbes and condensation intermediate products, the polymer between pollutants in the sewage and the returned sludge is rapidly condensed, the pollutant load of a sewage treatment system is reduced, and the sludge settling performance is improved.
The soil microorganism and the condensation intermediate product are released to a sewage treatment system through placing activated soil minerals and humus soil containing the soil microorganism and metabolites thereof in the soil condensation unit, and the two placed materials can be slow-release materials or can be added to the soil condensation unit through respective adding systems. The slow release speed or the adding amount of the activated soil minerals and the humus soil containing soil microorganisms is determined according to the scale of sewage treatment to be treated and the water quality, and the reaction rate in a soil condensation unit is matched with the corresponding sewage treatment process.
The soil condensation unit is a unit for activating soil microorganisms in a humus soil environment of activated soil minerals and soil microorganism metabolites, and can release the soil microorganisms and the soil microorganism metabolites into materials. The hydraulic retention of the soil condensation unit is only 0.1-1h, the specific retention time is determined according to the quality of sewage, an air blower is adopted for aeration for 24h, the reaction unit is used for supplying oxygen and stirring to activate soil microorganisms and release activated soil minerals and soil microorganism metabolites into water, the aeration air is not directly contacted with the materials placed in the soil condensation unit as far as possible, and a perforated pipe aeration mode is adopted.
The activated soil mineral adopted by the soil condensation unit is a substance containing activated silicate, preferably volcanic soil rock or powder such as andesite, rhyolite, pumice, volcanic ash, diatomite, zeolite, pumice, clay and granite substance, preferably the soil mineral also contains iron and aluminum metallic elements and other common metallic elements and trace metallic elements beneficial to the growth of soil microorganisms, so that the adsorption of pollutants, metal chelation/precipitation reaction and the growth of microorganisms in the sewage treatment process are facilitated, and the synthetic substance is a synthetic substance obtained by adding the metallic elements such as iron and the like into the artificial active silicate.
The humus soil containing soil microorganisms used in the soil condensation unit includes a soil microorganism metabolic condensation intermediate and microorganisms such as aerobic soil microorganisms and facultative soil microorganisms, and is preferably underground high-quality soil such as fertile marsh lands, or low-quality soil such as common marsh lands and fields, for example, humus soil, peat, coal, and the like.
The amount of the activated soil minerals participating in the reaction process in the soil condensation unit is 5-60% of the amount of humus soil containing soil microorganisms, namely the mass ratio of the two materials when the two materials are slowly released or externally added.
Soil microorganisms participating in the reaction in the soil condensation reaction are facultative or anaerobic soil microorganisms containing lactobacillus, pediococcus, streptococcus, bacillus and the like, and can perform the condensation reaction to generate condensation intermediate products such as humic precursor substances and the like.
The pollutants and the condensation intermediate products polymerized in the sludge in the condensation sewage treatment process are microbial metabolites and secretion containing phenolic compounds, oxidases of phenyl oxidase, quinone compounds, polysaccharides, amino acids and the like, and the substances have the functions of sterilization and condensation of small molecular pollutants to form humus.
From the above description, it can be seen that the present invention has the following advantages:
1. the condensation effect of the soil condensation unit can reduce the pollutant load of the whole sewage biochemical pool and reduce the hydraulic retention time of the sewage biochemical pool.
2. The condensation effect of the soil condensation unit of the invention condenses sludge extracellular polymeric substances, improves sludge mud-water separation performance and reduces the volume of mud-water separation facilities.
3. The invention reduces the solid amount of the excess sludge by reducing the pollutant load and improving the sludge-water separation performance, improves the sludge dewatering performance, can stabilize the excess sludge, and is beneficial to the subsequent treatment and disposal process of the excess sludge.
4. The sterilization effect and the medium and small molecule condensation capability of the condensation intermediate product improve the sanitation index of the sewage and reduce the odor in the sewage biological treatment process.
5. The method can be conveniently added to the existing sewage biological treatment system, and has little interference to the original system.
6. The method of the invention is simple and convenient to operate and control.
Drawings
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:
FIG. 1 is a schematic view of a conventional sewage treatment process.
FIG. 2 is a schematic view of a biological sewage treatment process using soil condensation according to the present invention.
Detailed Description
The following examples are provided to further illustrate embodiments of the present invention. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The embodiment is a modification of the original sewage treatment process, wherein the sewage is domestic sewage, and the sewage treatment scale is 10m 3 And d, the sewage treatment process adopted before the modification is the treatment process of adding a secondary sedimentation tank into the AO process of the traditional activated sludge process, and is shown in figure 1. The quality of the sewage inlet water is COD Cr 150-300mg/L，NH 3 20-30mg/L of-N, 25-35mg/L of TN, 1-2mg/L of TP and 150mg/L of SS 100, the effluent standard meets the first-level B discharge standard, and the effluent quality is COD Cr 40-50，NH 3 -N 1-5mg/L，TN 10-20mg/L，TP 0.3-0.8mg/L，SS 15-20mg/L。
The improved sewage treatment process is shown in figure 2, in the embodiment, a soil condensation unit is additionally arranged on a bypass of an original system, and sludge in a sludge tank flows back to enter a biochemical tank after passing through a soil condensation reactor. The soil condensation reactor is provided with andesite powder and high-quality soil at 10-20m underground of a fertile marsh land which are bonded to form two mud blocks, and the release amount of andesite is 30% of that of high-quality soil. The reactor was aerated with perforated pipes and the hydraulic retention time was 1 h.
In the process of accumulative operation and treatment for 60 days, the effluent quality is continuously improved, after the whole sewage treatment system is stabilized, the effluent quality reaches the first-level A discharge standard for 42 days continuously, and the quality of the papermulberry fruit is COD Cr 35-50，NH 3 N1-5 mg/L, TN 10-15mg/L, TP 0.3-0.5mg/L, and SS 7-10 mg/L. The residual sludge properties are also improved significantly: the solid reduction of the residual sludge is more than 20 percent, the sludge overlapping and spiral dehydrating performance is obviously improved, and the water content of the dehydrated sludge is reduced to 75-80 percent from the original 80-83 percent; the residual sludge is stabilized, no odor is generated when the sludge is simply stacked, and no insect or fly harm is caused. The method can effectively solve the problems of secondary pollution in the existing sewage biological treatment process.
It should be understood that the detailed description of the invention is merely illustrative of the invention and is not intended to limit the invention to the specific embodiments described. It will be appreciated by those skilled in the art that the present invention may be modified or substituted equally as well to achieve the same technical result; as long as the use requirements are met, the method is within the protection scope of the invention.
Claims (8)
1. The biological sewage treating method with soil condensation features that in available biological sewage treating system, soil condensation unit is set, sludge is made to flow back to the water inlet of biochemical pond or regulating pond and through the soil condensation unit, and the condensation of soil microbes to produce intermediate condensation product and activate microbes in sludge.
2. The soil condensation unit according to claim 1, wherein activated soil minerals and humus soil containing soil microorganisms and metabolites thereof are placed in the soil condensation unit, the two placed materials are slow release materials or are added to the soil condensation unit through a dosing system, and the slow release speed or the dosing amount of the activated soil minerals and the humus soil containing soil microorganisms is determined according to the scale of the sewage to be treated and the water quality.
3. The soil condensation unit according to claim 1, wherein the hydraulic retention time of the soil condensation unit is between 0.1 and 1h, the specific retention time being determined according to the quality of the wastewater; and aerating for 24 hours by adopting an air blower, wherein the aeration air is not in direct contact with the materials placed in the soil condensation unit as much as possible, and a perforated pipe aeration mode is adopted.
4. The activated soil mineral according to claim 2, wherein the activated soil mineral is a substance containing activated silicate, preferably volcanic soil rock or powder including andesite, rhyolite, pumice, volcanic ash, diatomaceous earth, zeolite, pumice, clay, granite substance, and the like, preferably the soil mineral further comprises iron, aluminum metal and other common metal elements and trace metal elements beneficial to soil microorganism growth, beneficial to pollutant adsorption, metal chelation/precipitation reaction and microorganism growth in sewage treatment process, and less preferably a synthetic substance of metal elements such as iron added to artificial activated silicate.
5. The soil microorganism-containing humus soil according to claim 2, wherein the soil microorganism-containing humus soil comprises a soil microorganism metabolic condensation intermediate and microorganisms such as aerobic soil microorganisms and facultative soil microorganisms, preferably underground high-quality soil such as fertile marshland, inferior low-quality soil such as general marshland, fields and the like, such as humus soil, peat, coal and the like.
6. The activated-soil-mineral-and-soil-microorganism-containing humus soil according to claim 2, wherein the amount of the activated soil mineral when participating in the reaction process in the soil condensation unit is 5% to 60% of the amount of the humus soil containing soil microorganisms.
7. The soil microorganism according to claim 2, wherein the soil microorganism is a facultative or anaerobic soil microorganism containing bacteria of the genus Lactobacillus, the genus Pediococcus, the genus Streptococcus, the genus Bacillus, and the like, and is capable of undergoing a condensation reaction to produce a condensation intermediate such as a humic precursor.
8. The condensation intermediate according to claim 7, wherein the condensation intermediate is a microbial metabolite or secretion containing a phenolic compound, an oxidase of a phenyl oxidase, a quinone compound, a polysaccharide, an amino acid, and the like, which has a sterilizing function and a function of condensing a small molecule contaminant to form humus.
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| CN102358674A (en) * | 2011-09-23 | 2012-02-22 | 南京中世环境科技股份有限公司 | Sewage treatment method capable of sludge quantitative reduction |
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| CN112279367A (en) * | 2020-11-28 | 2021-01-29 | 长春天皓环境科技有限公司 | Humic activated sludge process for sewage treatment |
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