CN110963844A - Organic fertilizer based on tea polyphenol extraction waste and preparation method thereof - Google Patents
Organic fertilizer based on tea polyphenol extraction waste and preparation method thereof Download PDFInfo
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- CN110963844A CN110963844A CN201911340573.8A CN201911340573A CN110963844A CN 110963844 A CN110963844 A CN 110963844A CN 201911340573 A CN201911340573 A CN 201911340573A CN 110963844 A CN110963844 A CN 110963844A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Abstract
The invention belongs to the technical field of recycling of tea polyphenol extraction waste, and particularly relates to an organic fertilizer based on tea polyphenol extraction waste and a preparation method thereof. The organic fertilizer based on the tea polyphenol extraction waste is prepared from the following raw materials in parts by weight: 560 parts of tea residues, 260 parts of tea polyphenol production waste liquid treatment substances, 30-50 parts of cow dung, 20-40 parts of sheep dung, 60-80 parts of biomass fuel furnace dust and 2-4 parts of microbial agents. The invention provides a method for converting tea polyphenol production waste tea residues and tea polyphenol waste liquid treatment substances into organic fertilizers by fermenting the tea polyphenol production waste liquid treatment substances, the tea residues and cattle and sheep manure into organic fertilizers; greatly reduces the treatment cost of the tea polyphenol production waste and reduces the environmental pollution. The organic fertilizer prepared by the invention has high contents of organic matters, nitrogen, phosphorus and potassium, extremely low contents of heavy metals such as lead, chromium, arsenic and the like, and contains trace elements such as calcium, zinc, copper and the like; can be used as organic fertilizer for tea tree planting.
Description
Technical Field
The invention belongs to the technical field of recycling of tea polyphenol extraction waste, and particularly relates to an organic fertilizer based on tea polyphenol extraction waste and a preparation method thereof.
Background
Tea polyphenol is a main component in tea, is a novel natural antioxidant, has multiple functions of mutation resistance, tumor resistance, aging delay, skin care, health care, deodorization and the like, is widely applied to the fields of food processing, medicines, daily chemical industry and the like, and the demand is increased rapidly. A large amount of tea residues and waste liquid are discarded in the production process of tea polyphenol. The waste liquid from the production of tea polyphenol mainly contains tea polyphenol extraction oxidation products, amino acids, water-soluble pectin, water-soluble protein, residual extraction solvent, a certain amount of tea residues and the like, and can cause serious environmental pollution and water body pollution when being directly discharged into the environment. Therefore, the tea polyphenol production waste liquid can reach the discharge standard through special sewage treatment equipment; however, a large amount of sludge is generated in the waste liquid treatment process, the sludge is generally subjected to incineration treatment by an external company after payment, the production cost is increased, and the incineration causes environmental pollution. The tea residue contains protein, amino acids, crude fiber, tea polyphenols, caffeine, tea saponin microelement and other components; research results at home and abroad show that the plant can directly absorb biomacromolecules such as amino acid and the like, and the tea polyphenol and the like can inhibit the activity of urease and improve the utilization rate of the inorganic nitrogen fertilizer.
At present, a plurality of research reports of recycling tea residues to produce organic fertilizers exist, but the treatment of sludge by using tea polyphenol production waste liquid still mainly comprises incineration.
For example, patent publication No. CN104087360A discloses an energy-saving and environment-friendly comprehensive utilization method of tea resources, which is to mix instant tea production wastewater treatment sludge and dried tea leaves to extrude the sludge and the dried tea leaves into tea leaf biomass granular fuel; the prepared biomass pellet fuel can be used as the fuel of a biomass water heater and a biomass hot blast stove in the process of extracting instant tea. The patent provides a method for using sludge produced by waste water treatment in instant tea production as fuel.
For example, patent publication No. CN108975965A discloses a preparation method of a bio-organic fertilizer based on tea leaves and sheep manure, which comprises the following steps: uniformly mixing the waste tea leaves with the water content of 86-92% and the sheep manure with the water content of 35-45% according to the mass ratio of 2:3, and stacking the mixture into a strip pile or a stack; uniformly mixing the strip stacks with a proper amount of commercially available straw decomposition agent; measuring the temperature by a thermometer in a 30cm deep position in the stack, turning the stack once when the temperature rises to 60 ℃, turning the stack once every 3-4 days later, after fermenting for 21 days, keeping the stack temperature from rising, spreading the materials, detecting the technical index of the fermented materials after the temperature is reduced to 30 ℃, packaging the qualified products as finished organic fertilizer products, and continuing to ferment the unqualified products as returned materials.
Patent publication No. CN103304280A discloses an ecological organic fertilizer prepared from camellia nitidissima tea residues. The ecological organic fertilizer is prepared by adding strains into mixed raw materials for fermentation, wherein the mixed raw materials comprise the following materials in parts by weight: 700 parts of camellia chrysantha tea residues, 250 parts of animal wastes and 250 parts of camellia oleifera seed meal, wherein the strain accounts for 0.4-2.4% of the total weight of the mixed raw materials. The animal manure is one or more of chicken manure, duck manure, pig manure, cow manure and sheep manure.
The above patents all make the tea leaves and other substances such as animal wastes into organic fertilizers by fermentation. At present, no relevant literature report exists on the research on preparing the organic fertilizer by treating the sludge in the tea or tea polyphenol production wastewater, particularly the organic fertilizer for tea garden planting.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides an organic fertilizer based on tea polyphenol extraction waste and a preparation method thereof, and the organic fertilizer is specifically realized by the following technical scheme:
an organic fertilizer based on tea polyphenol extraction waste is prepared from the following raw materials in parts by weight: 560 parts of tea residues, 260 parts of tea polyphenol production waste liquid treatment substances, 30-50 parts of cow dung, 20-40 parts of sheep dung, 60-80 parts of biomass fuel furnace dust and 2-4 parts of microbial agents.
Preferably, the organic fertilizer based on the tea polyphenol extraction waste is prepared from the following raw materials in parts by weight: 580 parts of tea leaves, 280 parts of a tea polyphenol production waste liquid treatment product, 40 parts of cow dung, 30 parts of sheep dung, 70 parts of biomass fuel furnace water and 2-4 parts of a microbial agent.
Preferably, the water content of the tea leaves is about 40%, and the polyphenol content is below 1.2%.
Preferably, the tea polyphenol production waste liquid treatment substance is a treatment substance obtained by treating tea polyphenol production waste water through a grating pond, an adjusting pond, an oxidation fermentation pond, a sedimentation pond and a clarification pond.
Preferably, the tea polyphenol production waste liquid treatment product is derived from one or more of grid slag, oxidation fermentation tank sediment and sedimentation tank sediment.
Preferably, the water content of the tea polyphenol production waste liquid treatment product is 60-90%.
The microbial agent is one or more of bacillus multiclass, bacillus amyloliquefaciens, bacillus licheniformis and bacillus subtilis.
The biomass fuel ash is ash obtained by burning a biomass fuel.
The invention also provides a preparation method of the organic fertilizer based on the tea polyphenol extraction waste, which comprises the following steps:
(1) preparing a layer stack fermentation raw material: uniformly mixing the tea residue with 1/2 microbial agent to obtain microbial tea residue; spreading common microbial tea residues at the bottom of a fermentation tank, spreading a tea polyphenol waste liquid treatment substance on the tea residues, mixing cow dung and sheep dung, spreading the mixture on sludge, and covering the rest microbial tea residues on the cow dung and the sheep dung to prepare a layer pile fermentation raw material;
(2) layer stacking fermentation: hermetically fermenting the layered fermentation raw material at 22-25 ℃ for 3-4 days, spraying biomass fuel furnace ash solution on the surface of the layered fermentation raw material, and hermetically fermenting at 25-30 ℃ for 7-8 days to obtain a layered fermentation product;
(3) mixing and fermenting: adding a fermentation promoting agent accounting for 3-6% of the mass of the layer stack fermentation raw materials into the layer stack fermentation product, uniformly mixing, adding the rest microbial agent, uniformly stirring, and fermenting at 25-30 ℃ for 10-12d to obtain an organic fertilizer raw material;
(4) drying and granulating: drying the organic fertilizer raw materials at 50-60 ℃ until the water content is 20-30%, crushing, and then adding into a granulator for granulation to obtain the organic fertilizer.
Preferably, the biomass fuel furnace ash solution is prepared by adding water with the mass 4 times of that of the biomass fuel furnace ash and mixing.
Preferably, the starter is prepared from sucrose ester and sodium dodecyl benzene sulfonate according to the weight ratio of 2-4: 1, in terms of mass ratio.
The invention has the beneficial effects that:
the tea leaves, the treated waste liquid of the tea polyphenol production, the cow dung and the sheep dung are sequentially subjected to layer-stacking fermentation and mixed fermentation treatment; the microorganisms in the tea leaves and the cattle and sheep manure are propagated in a large amount at the initial stage of the layer stacking fermentation treatment, and the microorganisms in the tea leaves and the cattle and sheep manure are permeated into the treated substance of the tea polyphenol production waste liquid along with water by spraying a biomass fuel furnace solution at the later stage, and meanwhile, the nutrients in the biomass fuel furnace ash can promote the propagation of the microorganisms in the subsequent fermentation process, so that the organic components in the sludge can be fully degraded; the mixed fermentation treatment adopts a surfactant as a fermentation promoting agent, can fully destroy the gel structure in the tea polyphenol production waste liquid treatment substance, and fully fuses the tea polyphenol production waste liquid treatment substance, tea residues and cattle and sheep manure.
The invention provides a method for converting tea polyphenol production wastes (tea polyphenol raw waste liquid treatment substances and tea residues) into organic fertilizers by fermenting tea polyphenol production waste liquid treatment substances, tea residues, cow dung and sheep dung to prepare organic fertilizers; greatly reduces the treatment cost of the tea polyphenol production waste and reduces the environmental pollution. The organic fertilizer prepared by the invention has the organic matter content of about 50 percent and the nitrogen, phosphorus and potassium content of more than 6 percent; the content of heavy metals such as lead, chromium, arsenic and the like is extremely low; and contains trace elements such as calcium, zinc, copper and the like; can be used as organic fertilizer for tea tree planting. The tea tree has high absorption and utilization rate of nutrients in the organic fertilizer, can promote the growth of the tea tree, has low plant disease and insect pest rate, and can effectively improve the yield of tea.
Detailed Description
The technical solution of the present invention is further defined below with reference to the specific embodiments, but the scope of the claims is not limited to the description.
Example 1
The components are as follows: 560kg of tea leaves, 260kg of tea polyphenol production waste liquid treatment product, 30kg of cow dung, 20kg of sheep dung, 60kg of biomass fuel furnace dust and 2kg of microbial agent.
The tea residue has water content of about 40% and polyphenol content below 1.2%.
The tea polyphenol production waste liquid treatment substance is a treatment substance obtained by treating tea polyphenol production waste water through a grating tank, an adjusting tank, an oxidation fermentation tank, a sedimentation tank and a clarification tank.
The tea polyphenol production waste liquid treatment product is a mixture of grid slag, an oxidation fermentation tank precipitate and a precipitation tank precipitate.
The water content of the treated product of the tea polyphenol production waste liquid is 60-90%.
The microbial bacteria comprise multiple types of bacillus, bacillus amyloliquefaciens and bacillus licheniformis according to the mass ratio of 2:1: 1.
A preparation method of an organic fertilizer based on tea polyphenol extraction waste comprises the following steps:
(1) preparing a layer stack fermentation raw material: uniformly mixing the tea residue with 1/2 microbial agent to obtain microbial tea residue; spreading common microbial tea residues at the bottom of a fermentation tank, spreading a tea polyphenol production waste liquid treatment substance on the tea residues, mixing cow dung and sheep dung, spreading the mixture on sludge, and covering the rest microbial tea residues on the cow dung and the sheep dung to prepare a stacking fermentation raw material;
(2) layer stacking fermentation: hermetically fermenting the layered stack fermentation raw material at 22-25 ℃ for 3d, spraying a biomass fuel furnace ash solution on the surface of the layered stack fermentation raw material, and hermetically fermenting at 25-30 ℃ for 8d to obtain a layered stack fermentation product;
(3) mixing and fermenting: adding a fermentation promoting agent accounting for 3% of the mass of the layer stack fermentation raw materials into the layer stack fermentation product, uniformly mixing, adding the rest microbial agent, uniformly stirring, and fermenting at 25-30 ℃ for 10 days to obtain an organic fertilizer raw material; wherein the addition amount of the fermentation accelerator is 3 percent of the mass of the layer stack fermentation raw material;
(4) drying and granulating: drying the mixed fermentation product organic fertilizer raw material at 50-60 ℃ until the water content is 20-30%, crushing, and then adding into a granulator for granulation to obtain the organic fertilizer.
The biomass fuel furnace ash solution is prepared by adding water with the mass being 4 times of that of the biomass fuel furnace ash and mixing.
The starter comprises sucrose ester and sodium dodecyl benzene sulfonate according to the weight ratio of 2:1, in terms of mass ratio.
Example 2
The components are as follows: 580kg of tea leaves, 280kg of tea polyphenol production waste liquid treatment product, 40kg of cow dung, 30kg of sheep dung, 70kg of biomass fuel furnace water and 2-4kg of microbial agent.
The tea residue has water content of about 40% and polyphenol content below 1.2%.
The tea polyphenol production waste liquid treatment substance is a treatment substance obtained by treating tea polyphenol production waste water through a grating tank, an adjusting tank, an oxidation fermentation tank, a sedimentation tank and a clarification tank.
The tea polyphenol production waste liquid treatment product is a mixture of grid slag, an oxidation fermentation tank precipitate and a precipitation tank precipitate.
The water content of the treated product of the tea polyphenol production waste liquid is 60-90%.
The microbial agent is composed of multiple types of bacillus, bacillus amyloliquefaciens, bacillus licheniformis and bacillus subtilis according to the mass ratio of 1:1:1: 1.
A preparation method of an organic fertilizer based on tea polyphenol extraction waste comprises the following steps:
(1) preparing a layer stack fermentation raw material: uniformly mixing the tea residue with 1/2 microbial agent to obtain microbial tea residue; spreading common microbial tea residues at the bottom of a fermentation tank, spreading a tea polyphenol production waste liquid treatment substance on the tea residues, mixing cow dung and sheep dung, spreading the mixture on sludge, and covering the rest microbial tea residues on the cow dung and the sheep dung to prepare a stacking fermentation raw material;
(2) layer stacking fermentation: hermetically fermenting the layered stack fermentation raw material at 22-25 ℃ for 4d, spraying biomass fuel furnace water on the surface of the layered stack fermentation raw material, and hermetically fermenting at 25-30 ℃ for 7d to obtain a layered stack fermentation product;
(3) mixing and fermenting: adding a fermentation promoting agent accounting for 4% of the mass of the layer stack fermentation raw materials into the layer stack fermentation product, uniformly mixing, adding the rest microbial agent, uniformly stirring, and fermenting for 11d at 25-30 ℃ to obtain an organic fertilizer raw material; wherein the addition amount of the fermentation accelerator is 5 percent of the mass of the layer stack fermentation raw material;
(4) drying and granulating: drying the organic fertilizer raw materials at 50-60 ℃ until the water content is 20-30%, crushing, and then adding into a granulator for granulation to obtain the organic fertilizer.
The biomass fuel furnace ash solution is prepared by adding water with the mass being 4 times of that of the biomass fuel furnace ash and mixing.
The starter comprises sucrose ester and sodium dodecyl benzene sulfonate according to the weight ratio of 3: 1, in terms of mass ratio.
Example 3
The components are as follows: 600kg of tea leaves, 300kg of tea polyphenol production waste liquid treatment product, 50kg of cow dung, 40kg of sheep dung, 80kg of biomass fuel furnace dust and 4kg of microbial agent.
The tea residue has water content of about 40% and polyphenol content below 1.2%.
The tea polyphenol production waste liquid treatment substance is a treatment substance obtained by treating tea polyphenol production waste water through a grating tank, an adjusting tank, an oxidation fermentation tank, a sedimentation tank and a clarification tank.
The tea polyphenol production waste liquid treatment product is derived from the sediment of an oxidation fermentation tank.
The water content of the treated product of the tea polyphenol production waste liquid is 60-90%.
The microbial agent consists of multiple types of bacillus and bacillus amyloliquefaciens according to the mass ratio of 1: 1.
A preparation method of an organic fertilizer based on tea polyphenol extraction waste comprises the following steps:
(1) preparing a layer stack fermentation raw material: uniformly mixing the tea residue with 1/2 microbial agent to obtain microbial tea residue; spreading common microbial tea residues at the bottom of a fermentation tank, spreading a tea polyphenol production waste liquid treatment substance on the tea residues, mixing cow dung and sheep dung, spreading the mixture on sludge, and covering the rest microbial tea residues on the cow dung and the sheep dung to prepare a stacking fermentation raw material;
(2) layer stacking fermentation: hermetically fermenting the layered stack fermentation raw material at 22-25 ℃ for 4d, spraying biomass fuel furnace water on the surface of the layered stack fermentation raw material, and hermetically fermenting at 25-30 ℃ for 8d to obtain a layered stack fermentation product;
(3) mixing and fermenting: adding a fermentation promoting agent accounting for 6% of the mass of the layer stack fermentation raw materials into the layer stack fermentation product, uniformly mixing, adding the rest microbial agent, uniformly stirring, and fermenting at 25-30 ℃ for 12d to obtain an organic fertilizer raw material; wherein the addition amount of the fermentation accelerator is 6 percent of the mass of the layer stack fermentation raw material;
(4) drying and granulating: drying the organic fertilizer raw materials at 50-60 ℃ until the water content is 20-30%, crushing, and then adding into a granulator for granulation to obtain the organic fertilizer.
The biomass fuel furnace ash solution is prepared by adding water with the mass being 4 times of that of the biomass fuel furnace ash and mixing.
The starter comprises sucrose ester and sodium dodecyl benzene sulfonate according to the weight ratio of 4: 1, in terms of mass ratio.
Comparative example 1
Comparative example 1 is different from example 1 in that there is no layer-stacking fermentation process and is prepared by mixing and fermenting 21d each raw material with a microbial agent.
Comparative example 2
The difference between the comparative example 2 and the example 1 is that the tea leaves are uniformly mixed with all the microbial agents to prepare the microbial tea leaves without a mixed fermentation process; and (3) hermetically fermenting the layer stack fermentation raw material at 22-25 ℃ for 3d, spraying biomass fuel furnace water on the surface of the layer stack fermentation raw material, and hermetically fermenting at 25-30 ℃ for 18d to obtain the organic fertilizer raw material.
Experimental example 1 measurement of nutrients in organic fertilizer
The organic fertilizers prepared in examples 1-3 and comparative examples 1-2 were used to measure the nutrient content, and the results are shown in Table 1:
TABLE 1
| Content of nutrients | Example 1 | Example 2 | Example 3 | Comparative example 1 | Comparative example 2 |
| Organic matter/% | 48.8 | 50.4 | 47.2 | 47.6 | 38.2 |
| Nitrogen/%) | 6.7 | 6.3 | 6.8 | 6.7 | 5.4 |
| Phosphorus/%) | 7.3 | 7.6 | 7.1 | 6.4 | 6.7 |
| Potassium/%) | 6.3 | 6.7 | 6.7 | 6.4 | 5.2 |
| Calcium/%) | 2.34 | 2.21 | 2.19 | 1.32 | 0.72 |
| Zinc/(mg/kg) | 76.4 | 83.2 | 78.3 | 76.8 | 56.2 |
| Copper/(mg/kg) | 20.04 | 21.32 | 20.17 | 20.02 | 21.62 |
| Lead/(mg/kg) | 0.56 | 0.57 | 0.54 | 0.57 | 0.61 |
| Arsenic/(mg/kg) | 0.05 | 0.06 | 0.05 | 0.05 | 0.06 |
| Chromium/(mg/kg) | 0.18 | 0.16 | 0.15 | 0.23 | 0.19 |
From the above table, the organic fertilizer prepared by the embodiment of the invention has the organic matter content, the nitrogen, phosphorus and potassium content and the calcium, zinc and copper content which are superior to those of the organic fertilizer prepared by the comparative examples 1-2 on the whole.
Experimental example 2 tea tree growth test
The organic fertilizer prepared by adopting the organic fertilizer prepared in the embodiments 1-3 and the comparative examples 1-2 of the invention is tested in a tea tree plantation in Meitan county in Guizhou province, 6 tea trees in the same area are selected in the tea tree plantation for testing, and 100 tea trees are planted in each test area; a fertilizer application test is carried out by taking decomposed farmyard manure as a control group, taking a tea variety as green buds of a green tea variety and taking the tea variety as 6 years old. Wherein the fertilizers of examples 1-3 and comparative examples 1-2 and the decomposed farmyard manure are used in an amount of 1000 kg/mu, and all fertilizers are applied 50% in each of the 11 months and the 2 months of the next year. The spring tea plucking was carried out at the beginning of 5 months in the next year, and the test results were counted as shown in table 2:
TABLE 2
Note: the tea polyphenol is measured according to the national standard GB8313-87 technical specification, and the amino acid is measured according to the national standard GB 8314-87.
As can be seen from the table, the weight of the hundred buds and the bud density of the organic fertilizer prepared by the embodiment of the invention are obviously higher than those of decomposed farmyard manure and the comparative example 1; and the planted tea has higher amino acid content and tea polyphenol content compared with the tea planted by the organic fertilizer and the decomposed farmyard manure prepared by the method 1-2.
It should be noted that the above examples and test examples are only for further illustration and understanding of the technical solutions of the present invention, and are not to be construed as further limitations of the technical solutions of the present invention, and the invention which does not highlight essential features and significant advances made by those skilled in the art still belongs to the protection scope of the present invention.
Claims (10)
1. An organic fertilizer based on tea polyphenol extraction waste is characterized by being prepared from the following raw materials in parts by weight: 560 parts of tea residues, 260 parts of tea polyphenol production waste liquid treatment substances, 30-50 parts of cow dung, 20-40 parts of sheep dung, 60-80 parts of biomass fuel ash and 2-4 parts of microbial agents.
2. The organic fertilizer based on the tea polyphenol extraction waste as claimed in claim 1, which is prepared from the following raw materials in parts by weight: 580 parts of tea leaves, 280 parts of a tea polyphenol production waste liquid treatment product, 40 parts of cow dung, 30 parts of sheep dung, 70 parts of biomass fuel furnace dust and 2-4 parts of a microbial agent.
3. The organic fertilizer based on tea polyphenol extraction waste as claimed in claim 1 or 2, wherein the tea residue has a water content of about 40% and a polyphenol content of less than 1.2%.
4. The organic fertilizer based on tea polyphenol extraction waste as claimed in claim 1 or 2, wherein the treated substance of the tea polyphenol production waste liquid is a treated substance obtained by treating the tea polyphenol production waste liquid through a grating pond, an adjusting pond, an oxidation fermentation pond, a sedimentation pond and a clarification pond.
5. The organic fertilizer based on tea polyphenol extraction waste as claimed in claim 4, wherein the tea polyphenol production waste liquid treatment product is derived from one or more of grid residue, oxidation fermentation tank sediment and sedimentation tank sediment.
6. The organic fertilizer based on tea polyphenol extraction waste as claimed in claim 1 or 2, wherein the water content of the tea polyphenol production waste liquid treatment product is 60 to 90%.
7. The organic fertilizer based on tea polyphenol extraction waste as claimed in claim 1 or 2, wherein the microbial agent is one or more of bacillus multicipiens, bacillus amyloliquefaciens, bacillus licheniformis and bacillus subtilis.
8. The method for preparing the organic fertilizer based on the tea polyphenol extraction waste as set forth in claim 1 or 2, comprising the steps of:
(1) preparing a layer stack fermentation raw material: uniformly mixing the tea residue with 1/2 microbial agent to obtain microbial tea residue; spreading common microbial tea residues at the bottom of a fermentation tank, spreading a tea polyphenol production waste liquid treatment substance on the tea residues, mixing cow dung and sheep dung, spreading the mixture on sludge, and covering the rest microbial tea residues on the cow dung and the sheep dung to prepare a stacking fermentation raw material;
(2) layer stacking fermentation: hermetically fermenting the layered fermentation raw material at 22-25 ℃ for 3-4 days, spraying biomass fuel furnace ash solution on the surface of the layered fermentation raw material, and hermetically fermenting at 25-30 ℃ for 7-8 days to obtain a layered fermentation product;
(3) mixing and fermenting: adding a fermentation promoting agent which accounts for 3-6% of the mass of the stacked fermentation raw materials into the stacked fermentation product, uniformly mixing, adding the rest microbial agent, uniformly stirring, and fermenting at 25-30 ℃ for 10-12 days to obtain an organic fertilizer raw material;
(4) drying and granulating: drying the organic fertilizer raw materials at 50-60 ℃ until the water content is 20-30%, crushing, and then adding into a granulator for granulation to obtain the organic fertilizer.
9. The method of claim 8, wherein the biomass fuel furnace ash solution is mixed with water in an amount of 4 times the mass of the biomass fuel furnace ash.
10. The method for preparing the organic fertilizer based on the tea polyphenol extraction waste as claimed in claim 8, wherein the starter culture is prepared from sucrose ester and sodium dodecyl benzene sulfonate according to a ratio of 2-4: 1, in terms of mass ratio.
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| CN101037948A (en) * | 2006-03-16 | 2007-09-19 | 天津焰旺科技发展有限公司 | Method for biomass power generating and extracting K |
| CN102120959A (en) * | 2010-12-14 | 2011-07-13 | 四川禹伽茶业科技有限公司 | Method for preparing biogas by fermenting exhausted tea |
| CN103304280A (en) * | 2013-06-16 | 2013-09-18 | 广西桂人堂金花茶产业集团股份有限公司 | Ecological organic fertilizer for preparing golden camellia tea residues and production method thereof |
| CN106866219A (en) * | 2015-12-14 | 2017-06-20 | 马淳沂 | A kind of tea grounds organic fertilizer and preparation method thereof |
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- 2019-12-23 CN CN201911340573.8A patent/CN110963844A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101037948A (en) * | 2006-03-16 | 2007-09-19 | 天津焰旺科技发展有限公司 | Method for biomass power generating and extracting K |
| CN102120959A (en) * | 2010-12-14 | 2011-07-13 | 四川禹伽茶业科技有限公司 | Method for preparing biogas by fermenting exhausted tea |
| CN103304280A (en) * | 2013-06-16 | 2013-09-18 | 广西桂人堂金花茶产业集团股份有限公司 | Ecological organic fertilizer for preparing golden camellia tea residues and production method thereof |
| CN106866219A (en) * | 2015-12-14 | 2017-06-20 | 马淳沂 | A kind of tea grounds organic fertilizer and preparation method thereof |
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Application publication date: 20200407 |