CN117964430A - Method for pollution-free treatment of organic wastewater, animal and plant residues and feces - Google Patents
Method for pollution-free treatment of organic wastewater, animal and plant residues and feces Download PDFInfo
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- 241001465754 Metazoa Species 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000002351 wastewater Substances 0.000 title claims abstract description 25
- 210000003608 fece Anatomy 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 53
- 150000001413 amino acids Chemical class 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000003337 fertilizer Substances 0.000 claims abstract description 23
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000004021 humic acid Substances 0.000 claims abstract description 21
- 239000000126 substance Substances 0.000 claims abstract description 12
- 239000010871 livestock manure Substances 0.000 claims abstract description 9
- 239000010868 animal carcass Substances 0.000 claims abstract description 8
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 5
- 229930195729 fatty acid Natural products 0.000 claims abstract description 5
- 239000000194 fatty acid Substances 0.000 claims abstract description 5
- 150000004665 fatty acids Chemical class 0.000 claims abstract description 5
- 239000004552 water soluble powder Substances 0.000 claims abstract description 5
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 43
- 239000002994 raw material Substances 0.000 claims description 21
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000011259 mixed solution Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 6
- 239000010902 straw Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000003516 soil conditioner Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims 1
- 210000002700 urine Anatomy 0.000 claims 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract description 12
- 239000000047 product Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000006227 byproduct Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 3
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- 239000010828 animal waste Substances 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 2
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 241000193830 Bacillus <bacterium> Species 0.000 description 1
- 241000193738 Bacillus anthracis Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 208000024777 Prion disease Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 235000021120 animal protein Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005285 chemical preparation method Methods 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 238000007353 oxidative pyrolysis Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000010908 plant waste Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Abstract
The invention discloses a pollution-free method for treating organic wastewater, animal and plant residues and excrement, which comprises the following steps of S1, A material preparation: s2, preparing a material B; s3, preparing a C material; s4, preparing a main product; the method can fully utilize sulfur dioxide gas generated in production in a chemical plant, and simultaneously effectively treat animal manure and animal carcasses, and particularly can treat the sulfur dioxide gas, the animal manure and the animal carcasses into mixed liquid of amino acid and humic acid, and the byproduct fatty acid can also be independently utilized; in addition, the mixed water-soluble powder of amino acid humic acid, amino acid element functional fertilizer, humic acid fertilizer, high-purity amino acid, humic acid and the like can be further processed.
Description
Technical Field
The invention relates to the technical field of innocent treatment of waste gas, organic wastewater and the like in chemical plants, in particular to a method for pollution-free treatment of organic wastewater, animal and plant residues and excrement.
Background
Some chemical plants generate a large amount of SO 2 gas in the production process, and the accumulation of a large amount of SO 2 gas is combined with water vapor to form acid rain, SO that the atmospheric quality and soil are extremely seriously affected, and the human health and crops are seriously harmed. The traditional treatment scheme has high cost, the alkaline water absorption method has high cost and low reuse value.
Meanwhile, organic wastewater generated by deep processing of animals and plants refers to wastewater containing organic matters and at least more than 3.5% of total dissolved mass fraction, and malodor generated by organic pollutants affects air quality. Although various technical treatment schemes are reported, the final situation is not ideal, and the cost is high, so that some soluble salts are treated in a radical method.
Regarding animal and plant residues and animal manure, the current treatment method in China comprises the following steps:
1. Incineration method: although the waste animals and plants can be subjected to oxidative pyrolysis reaction under the oxygen-enriched or oxygen-free condition. The method can thoroughly kill pathogenic bacteria carried by waste animals and plants. The treatment period is short. However, incineration requires a large amount of energy consumption, and the generated gas causes secondary pollution to the air. Meanwhile, waste animal protein resources are wasted.
2. The chemical preparation method comprises introducing high-temperature steam into a closed high-pressure container, and treating under the action of pressure and steam. The method cannot be used for epidemic animal and plant and product tissues with anthrax and other stalk fungus epidemic diseases and semi-spongiform encephalopathy.
3. The high temperature method can not treat the bacillus epidemic disease and the like.
4. The buried method has low treatment cost, but is easy to pollute soil, long in period and easy to pollute underground water.
5. Fermentation, composting, but long treatment period, and can not thoroughly kill pathogenic bacteria; secondary pollution to the environment is easy to cause in the treatment process;
How to effectively utilize a large amount of SO 2 gas, animal and plant residues and excrement generated in the production process of a chemical plant to solve the problems is an important direction for treating organic wastewater, animal and plant residues and excrement at present and needs to be developed.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a method for pollution-free treatment of organic wastewater, animal and plant residues and feces, which comprises the following steps,
S1, preparing a material A: firstly, processing animal and plant residues and excrement, then absorbing and converting generated SO2 gas into sulfuric acid with a certain content, and marking the sulfuric acid as a raw material A;
S2, preparing a material B: adding high-concentration organic wastewater generated by deep processing of animals and plants into the material A, adding 98% of concentrated sulfuric acid, and stirring for reaction for 30 minutes to obtain a raw material B;
S3, preparing a C material: dividing animal residues into small blocks, adding the small blocks into a reaction kettle, adding the raw material B into the reaction kettle at the position of 2/3 of the reaction kettle, introducing steam, heating to 100-110 ℃, and stirring for reaction for about 6 hours; after the reaction is finished, cooling water is introduced, and when the temperature is reduced to about 60 ℃, brownish red liquid is discharged from the bottom of the kettle and is recorded as a raw material C; the rest liquid is heated continuously, and is put into a storage after being dissolved;
S4, main product preparation: adding the raw material C into a reaction kettle for about 1/2, adding animal dry excrement and crushed plant straws to 2/3 of the position in the kettle, heating to 90-100 ℃, reacting for 6 hours, stirring, cooling and filtering to obtain a brownish black liquid and filter residues, wherein the brownish black liquid is a mixed liquid of amino acid and humic acid; the filter residue is a solid soil conditioner.
Preferably, in step S3, the amount of the raw material B added is such that the animal residue is just submerged.
Preferably, in step S3, water is supplied to the reaction vessel during the stirring reaction for 6 hours to maintain the liquid level at 2/3 of the reaction vessel.
Preferably, in step S3, when the raw material C is collected, the liquid is stopped when the color of the liquid is changed to be milky white, and the milky white liquid remained in the kettle is heated again to be dissolved and then put into a storage, and the white liquid is fatty acid and is used as another liquid.
Preferably, the reddish brown liquid discharged from the bottom of the kettle in the step S3 is prepared into amino acid mixed water-soluble powder with the content of 98% by spray concentration and drying.
Preferably, the reddish brown liquid discharged from the bottom of the kettle in the step S3 is distilled by a high tower to separate different kinds of amino acids, and then the amino acids are spray-dried to obtain different kinds of high-purity amino acids.
Preferably, the reddish brown liquid discharged from the bottom of the kettle in the step S3 is simultaneously added into the reaction kettle together with animal waste and abandoned plants, and the amino acid and humic acid mixed fertilizer is extracted or evaporated and dried to form a solid multi-effect auxiliary fertilizer, so that the process procedures can be reduced.
Preferably, in the step S4, the ratio of the weight of the added excrement to the weight of the plant straw is 1:1.
Preferably, pumping the brown-black liquid prepared in the step S4 into a next reaction kettle, regulating the pH value to about 6, controlling the temperature not to exceed 90 ℃, simultaneously adding substances containing calcium and magnesium, and stirring and reacting for 30 minutes to obtain the functional fertilizer containing the amino acid elements; wherein, the functional fertilizer also contains substances of iron element, manganese element, copper element, zinc element, boron element and molybdenum element.
Preferably, the brown-black liquid prepared in the step S4 is pumped into a next reaction kettle, the PH value is regulated to about 6, the temperature is controlled to be 60-80 ℃, and the mixture is stirred at a medium speed to be fully chelated, so that the amino acid element functional fertilizer is prepared, and meanwhile, a certain amount of humic acid fertilizer is also contained.
Compared with the prior art, the invention has the beneficial effects that: the method can fully utilize sulfur dioxide gas generated in production in a chemical plant, and simultaneously effectively treat animal manure and animal carcasses, and particularly can treat the sulfur dioxide gas, the animal manure and the animal carcasses into mixed liquid of amino acid and humic acid, and the byproduct fatty acid can also be independently utilized; in addition, the mixed water-soluble powder of amino acid humic acid, amino acid element functional fertilizer, humic acid fertilizer, high-purity amino acid, humic acid and the like can be further processed.
In addition, the method is converted into amino acid, humic acid and mixed products, can be used for agriculture as a natural organic fertilizer which can be directly absorbed by plants, is used for organic ecological agriculture production, achieves high quality and high yield under the condition of not applying inorganic fertilizer, can truly improve the added value of agricultural products, has unique chelating function, can be used for water treatment, has large residue of traditional water treatment medicament and long degradation period; the scheme is an excellent treating agent which is nuisance free and secondary pollution free and can be naturally degraded. Amino acids are fundamental units constituting living bodies and are widely used in biomedical applications. The process can maintain good ecological carbon circulation.
Drawings
FIG. 1 is a graph showing yield increase data of various crops after the product prepared by the invention is applied.
FIG. 2 shows the contents of various amino acids and humic acid in the mixed solution B.
FIG. 3 is a flow chart of a method for pollution-free treatment of organic wastewater, animal and plant residues and feces according to the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Specific embodiment 1, with reference to the accompanying drawings, provides a pollution-free method for treating organic wastewater, animal and plant residues and feces, comprising the following steps,
S1, preparing a material A: firstly, processing animal and plant residues and excrement, then absorbing and converting generated SO2 gas into sulfuric acid with a certain content, and marking the sulfuric acid as a raw material A;
S2, preparing a material B: adding high-concentration organic wastewater generated by deep processing of animals and plants into the material A, adding 98% of concentrated sulfuric acid, and stirring for reaction for 30 minutes to obtain a raw material B;
S3, preparing a C material: dividing animal residues into small blocks, adding the small blocks into a reaction kettle, adding the raw material B into the reaction kettle at the position of 2/3 of the reaction kettle, introducing steam, heating to 100-110 ℃, and stirring for reaction for about 6 hours; after the reaction is finished, a mixed solution A is obtained; introducing cooling water, cooling to about 60 ℃, discharging brownish red liquid from the bottom of the kettle, and recording as a raw material C; the rest liquid is heated continuously, and is put into a storage after being dissolved;
S4, main product preparation: adding the raw material C into a reaction kettle for about 1/2, adding animal dry excrement and crushed plant straw to 2/3 of the position in the kettle, heating to 90-100 ℃, and reacting for 6 hours to obtain a mixed solution B; stirring, cooling and filtering to obtain a brownish black liquid and filter residues, wherein the brownish black liquid is a mixed liquid of amino acid and humic acid; the filter residue is a solid soil conditioner.
Preferably, in step S3, the amount of the raw material B added is such that the animal residue is just submerged.
Preferably, in step S3, water is supplied to the reaction vessel during the stirring reaction for 6 hours to maintain the liquid level at 2/3 of the reaction vessel.
Preferably, in step S3, when the raw material C is collected, the liquid is stopped when the color of the liquid is changed to be milky white, and the milky white liquid remained in the kettle is heated again to be dissolved and then put into a storage, and the white liquid is fatty acid and is used as another liquid.
Preferably, the reddish brown liquid discharged from the bottom of the kettle in the step S3 is prepared into amino acid mixed water-soluble powder with the content of 98% by spray concentration and drying.
Preferably, the reddish brown liquid discharged from the bottom of the kettle in the step S3 is distilled by a high tower to separate different kinds of amino acids, and then the amino acids are spray-dried to obtain different kinds of high-purity amino acids.
Preferably, the reddish brown liquid discharged from the bottom of the kettle in the step S3 is simultaneously added into the reaction kettle together with animal waste and abandoned plants, and the amino acid and humic acid mixed fertilizer is extracted or evaporated and dried to form a solid multi-effect auxiliary fertilizer, so that the process procedures can be reduced.
Preferably, in the step S4, the ratio of the weight of the added excrement to the weight of the plant straw is 1:1.
Preferably, pumping the brown-black liquid prepared in the step S4 into a next reaction kettle, regulating the pH value to about 6, controlling the temperature not to exceed 90 ℃, simultaneously adding substances containing calcium and magnesium, and stirring and reacting for 30 minutes to obtain the functional fertilizer containing the amino acid elements; wherein, the functional fertilizer also contains substances of iron element, manganese element, copper element, zinc element, boron element and molybdenum element.
Preferably, the brown-black liquid prepared in the step S4 is pumped into a next reaction kettle, the PH value is regulated to about 6, the temperature is controlled to be 60-80 ℃, and the mixture is stirred at a medium speed to be fully chelated, so that the amino acid element functional fertilizer is prepared, and meanwhile, a certain amount of humic acid fertilizer is also contained.
Example 2
The embodiment is a small implementation manner in actual operation, and specifically includes the following steps:
Preparing a material A, namely introducing SO 2 gas collected by a chemical plant into pure water added with an oxygenation agent, and absorbing to obtain 30-35% dilute sulfuric acid;
Preparing a material B, namely adding high-concentration organic wastewater generated by deep processing of animals and plants into the material A, then adding 98% of concentrated sulfuric acid, and regulating the concentration of the sulfuric acid to 50%;
adding raw materials: adding animal carcasses to be treated into a reaction kettle, adding 25kg of the animal carcasses, and then adding about 10kg of the material B until the animal carcasses just go through;
And (3) heat treatment: heating to 105 ℃, reacting for 6 hours, adding 30% liquid alkali to adjust the pH value to 6, and obtaining the mixed solution A after the reaction is finished.
And C, preparing a material: heating the mixed solution A to adjust the pH value, cooling to 60 ℃, and discharging brownish red amino acid which is marked as material C; meanwhile, the milky white liquid in the reaction kettle is continuously heated, dissolved and then taken out and stored in a storage for other use;
The product is formed: 7kg of animal manure and plant waste are added into the material C, wherein the ratio of the manure to the waste is 1:1, and 3kg of the material B is added at the same time, and a certain pH value is kept to be 6. Heating to 100deg.C, reacting for 6-7 hr, cooling, filtering to obtain amino acid and humic acid mixed solution, wherein the residue is 1kg, the residue can be used as soil improvement water retaining agent, the amino acid humic acid mixed solution is 30kg, and the rest escapes in form of water vapor.
As an extension of the present technology, the material C may be directly filtered and distilled to remove various amino acids.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. A method for pollution-free treatment of organic wastewater, animal and plant residues and feces is characterized by comprising the following steps,
S1, preparing a material A: firstly, processing animal and plant residues and excrement, then absorbing and converting generated SO 2 gas into sulfuric acid with a certain content, and marking the sulfuric acid as a raw material A;
S2, preparing a material B: adding high-concentration organic wastewater generated by deep processing of animals and plants into the material A, adding 98% of concentrated sulfuric acid, and stirring for reaction for 30 minutes to obtain a raw material B;
S3, preparing a C material: dividing animal residues into small blocks, adding the small blocks into a reaction kettle, adding the raw material B into the reaction kettle at the position of 2/3 of the reaction kettle, introducing steam, heating to 100-110 ℃, and stirring for reaction for about 6 hours; after the reaction is finished, a mixed solution A is obtained; introducing cooling water, cooling to about 60 ℃, discharging brownish red liquid from the bottom of the kettle, and recording as a raw material C; the rest liquid is heated continuously, and is put into a storage after being dissolved;
S4, main product preparation: adding the raw material C into a reaction kettle for about 1/2, adding animal dry excrement and crushed plant straw to 2/3 of the position in the kettle, heating to 90-100 ℃, and reacting for 6 hours to obtain a mixed solution B; continuously stirring, cooling and filtering to obtain brown-black liquid and filter residues; the brown-black liquid is a mixed liquid of amino acid and humic acid; the filter residue is a solid soil conditioner.
2. The method for pollution-free treatment of organic wastewater, animal and plant residues and feces according to claim 1, wherein in the step S3, the raw material B is added in an amount just submerged in the animal residues.
3. The method for pollution-free treatment of organic wastewater, animal and plant residues and excrement according to claim 1, wherein in the step S3, water is supplemented during the stirring reaction for 6 hours to keep the liquid level at 2/3 of the reaction kettle.
4. The method for pollution-free treatment of organic wastewater, animal and plant residues and feces according to claim 1, wherein in step S3, when the color of the liquid is changed to be milky, the liquid is stopped when the liquid is observed at any time, the rest of the milky liquid in the kettle is heated again, the rest of the milky liquid is dissolved and then is put into a storage, and the white liquid is fatty acid and is used as the other material.
5. The method for pollution-free treatment of organic wastewater, animal and plant residues and excrement as claimed in claim 1, wherein the red brown liquid discharged from the bottom of the kettle in the step S3 is spray concentrated and dried to prepare the amino acid mixed water-soluble powder with the content of 98%.
6. The method for pollution-free treatment of organic wastewater, animal and plant residues and excrement as claimed in claim 1, wherein the red brown liquid discharged from the bottom of the kettle in the step S3 is distilled by a high tower to separate different kinds of amino acids, and then spray-dried to obtain different kinds of high-purity amino acids.
7. The method for pollution-free treatment of organic wastewater, animal and plant residues and excrement and urine according to claim 1, wherein the step S3 is characterized in that the red brown liquid discharged from the bottom of the kettle is used for simultaneously feeding animal carcasses, animal excrement and waste plants into the reaction kettle, extracting amino acid and humic acid mixed fertilizer or evaporating and drying to obtain solid multi-effect auxiliary fertilizer, and the process procedures can be reduced.
8. The method for pollution-free treatment of organic wastewater, animal and plant residues and manure according to claim 1, wherein in the step S4, the ratio of the weight of the manure to the weight of the plant straw is 1:1.
9. The method for pollution-free treatment of organic wastewater, animal and plant residues and excrement according to claim 1, wherein the brown black liquid prepared in the step S4 is pumped into a next reaction kettle, the PH value is regulated to about 6, the temperature is controlled not to exceed 90 ℃, substances containing calcium and magnesium are added at the same time, and stirring reaction is carried out for 30 minutes, so that the functional fertilizer containing amino acid elements can be obtained; wherein, the functional fertilizer also contains substances of iron element, manganese element, copper element, zinc element, boron element and molybdenum element.
10. The method for pollution-free treatment of organic wastewater, animal and plant residues and excrement as claimed in claim 1, wherein the brown black liquid prepared in the step S4 is pumped into a next reaction kettle, the pH value is regulated to about 6, the temperature is controlled to be 60-80 ℃, the stirring is carried out at a medium speed, the mixture is fully chelated, and the amino acid element functional fertilizer is prepared, and meanwhile, a certain amount of humic acid fertilizer is also contained.
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| CN202410108244.5A CN117964430A (en) | 2024-01-25 | 2024-01-25 | Method for pollution-free treatment of organic wastewater, animal and plant residues and feces |
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| CN202410108244.5A CN117964430A (en) | 2024-01-25 | 2024-01-25 | Method for pollution-free treatment of organic wastewater, animal and plant residues and feces |
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