CN110550726A - Biological filler for treating livestock and poultry wastewater - Google Patents
Biological filler for treating livestock and poultry wastewater Download PDFInfo
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- CN110550726A CN110550726A CN201910833881.8A CN201910833881A CN110550726A CN 110550726 A CN110550726 A CN 110550726A CN 201910833881 A CN201910833881 A CN 201910833881A CN 110550726 A CN110550726 A CN 110550726A
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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
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D5/00—Fertilisers containing magnesium
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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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
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Abstract
The invention discloses a biological filler for treating livestock and poultry wastewater, which consists of sorghum straws, vinasse, wormwood, a modified solvent and a base material. And particularly discloses the proportion and the preparation process of the biological composite material. The biological composite material is natural and pollution-free, can effectively treat waste water, can be recycled, and has popularization prospect.
Description
Technical Field
The invention belongs to the field of livestock and poultry wastewater treatment, and particularly relates to a biological filler for treating livestock and poultry wastewater.
Background
With the continuous expansion of the breeding scale and the enhancement of the aspects of environmental protection consciousness, food safety and the like of people, the treatment of livestock wastewater is on the agenda day by day and is rapidly developed into an industry. The waste water of the farm mainly comprises high-concentration organic waste water rich in a large amount of pathogens (escherichia coli, roundworm eggs and the like), and the content of suspended matters and ammonia nitrogen is large, so that the waste water enters an underground water layer through surface runoff and percolation to pollute underground water if the waste water is not properly treated. After the untreated wastewater enters a natural water body, the contents of solid suspended matters, organic matters and microorganisms in the water are increased, the physical, chemical and biological community composition of the water body is changed, and the water quality is deteriorated. The wastewater also contains a large amount of pathogenic microorganisms which can be diffused and spread through the water body and harm the health of people and livestock. The treatment modes of the wastewater mainly comprise: physical treatment, namely firstly carrying out solid-liquid separation, and then carrying out the methods of adopting activated carbon, magnesium oxide modified zeolite and magnetic flocculation precipitation; chemical treatment, namely neutralizing harmful substances by using some chemicals, and oxidizing by using some chemical agents such as hydrogen peroxide and the like; the biological treatment adopts the main methods of aerobic treatment, anaerobic treatment and a treatment mode combining the aerobic treatment and the anaerobic treatment.
Due to the development of intensive and large-scale breeding industry in China, a large number of farms appear in rural areas, the amount of waste water discharged by the farms every day is large and concentrated, a large amount of pollutants are contained in the waste water, and livestock breeders need to comprehensively consider a waste water treatment method according to conditions such as breeding scale, environmental characteristics of the farms and the like. If the waste water can be treated by integrating economic benefits, environmental protection benefits and social benefits, the invention provides the biological filler which changes waste into valuable and is beneficial to the effective treatment of the waste water.
disclosure of Invention
The invention aims to provide a biological filler for treating livestock and poultry wastewater.
The biological filler for treating the livestock and poultry wastewater comprises sorghum straws, vinasse, wormwood, a modified solvent and a base material.
The invention relates to a biological filler for treating livestock and poultry wastewater, which comprises the following components in percentage by weight: 1-40% of sorghum straw, 1-20% of vinasse, 1-40% of wormwood, 0.1-10% of modified solvent and 1-30% of base material.
the invention relates to a biological filler for treating livestock and poultry wastewater, which comprises the following components in percentage by weight: 10-35% of sorghum straw, 5-15% of vinasse, 10-35% of wormwood, 0.5-5% of modified solvent and 10-29% of base material.
The invention relates to a biological filler for treating livestock and poultry wastewater, which comprises the following components in percentage by weight: 20-31% of sorghum straw, 10-14% of vinasse, 20-31% of wormwood, 0.5-1.0% of modified solvent and 15-25% of base material.
The invention relates to a biological filler for treating livestock and poultry wastewater, which comprises the following components in percentage by weight: 33.1% of sorghum straw, 13.2% of vinasse, 33.1% of wormwood, 0.67% of modified solvent and 19.8% of base material.
The biological filler for treating the livestock and poultry wastewater disclosed by the invention comprises one or more of a compound silicon fertilizer, a compound fertilizer, potassium chloride, ammonium phosphate, urea and a silicon-containing fertilizer.
The biological filler for treating the livestock and poultry wastewater comprises one or more of clay, expanded vermiculite, sepiolite, modified zeolite, modified diatomite and calcium oxide as base materials.
The biological filler for treating the livestock and poultry wastewater is prepared by soaking modified zeolite in glacial acetic acid for 24 hours and adding 20% of sodium hydroxide for 36 hours; the modified diatomite is prepared by selecting diatomite raw materials, roasting at a high temperature of 700-900 ℃, and crushing by high-pressure airflow. The invention relates to a biological filler for treating livestock and poultry wastewater, which is prepared by the following steps: 1) Pulverizing sorghum straw and folium Artemisiae Argyi in a pulverizer, adding distiller's grains, mixing, stirring, and mixing; 2) Putting the mixture 1) into a reaction tank, steaming for 2-3 hours at the temperature of 400-600 ℃ under the anoxic or anaerobic condition, then cooling to 50-60 ℃, adding silicon fertilizer and water, stirring for 1-2 hours at the temperature of 40-50 ℃, cooling, drying and reserving for later use. 3) Mixing the mixture obtained in the step 2) with modified zeolite and modified diatomite, and compressing the mixture into blocks by a press machine to obtain biomass blocks; 4) Soaking the mixture 3) in 0.2-5mol/L potassium chloride solution for 3-5 hours, taking out the soaked mixture, and drying the soaked mixture; compressing the mixture into blocks by a press machine again to obtain biomass blocks; the invention relates to a biological filler for treating livestock wastewater, which is prepared from sorghum straws: vinasse: the mass ratio of the wormwood is 1-5:1-5: 1-5; the mass ratio of the silicon fertilizer to the water is 0.1:10-2: 10.
The invention relates to a biological filler for treating livestock wastewater, which is prepared from sorghum straws: vinasse: the mass ratio of the wormwood is 5:1: 5; the mass ratio of the silicon fertilizer to the water is 2: 7.
The invention relates to a biological filler for treating livestock and poultry wastewater, which is applied by the following steps: and (4) putting the biomass blocks obtained in the step (4) into a livestock and poultry wastewater pool, soaking for 10-36 hours, taking out, scattering, covering a layer of rice straw on the surface, and composting. The invention relates to a biological filler for treating livestock and poultry wastewater, which is applied to treating livestock and poultry wastewater. The invention relates to a biological filler for treating livestock and poultry wastewater, and application of compost in cultivating rice.
The composting quality of the biological filler for treating the livestock and poultry wastewater after being soaked in the biological filler is identified by the following steps: according to the checking standard of the rotten degree. The quality of the compost after decomposition is a comprehensive index for identifying the quality of the compost. Can be judged according to the color, smell, straw hardness, compost leaching liquid, compost volume, carbon-nitrogen ratio and corruption coefficient, and specifically comprises the following steps: (1) from the viewpoint of color and smell, the straw of the decomposed compost becomes brown or black brown, has black juice and night, has ammonia odor, and the content of ammonium nitrogen is obviously increased by using an ammonium reagent for quick measurement. And (2) the hardness of the straws is that the compost is held by hands, is soft and elastic when being warm, is crisp when being dry, is easy to break, and organic matters lose elasticity. And (3) taking decomposed compost, adding clean water, stirring (the ratio of fertilizer to water is 1:5-10), and standing for 3-5 minutes to obtain light yellow leachate. And (4) the compost volume is reduced 2/3-1/2 compared with that of the compost when just piled. (5) carbonitriding, generally 20-30:1 (25: 1 is the most preferable) (6), and a humification coefficient of about 30%. The compost which reaches the indexes is high-quality compost with good fertilizer efficiency and can be applied to various soils and crops. The fertilizer can be applied for a long time, and has remarkable effects of high yield, soil improvement and soil fertility improvement.
The biological composite filler utilizes the waste of the sorghum straws and the vinasse, adds the wormwood to increase the treatment of harmful substances in the wastewater, is convenient to use, can be used as a fertilizer after being composted, and is environment-friendly and pollution-free. Detailed Description
The following examples are intended to further illustrate the invention and are not intended to limit the scope of the invention in any way. Example 1 composition: the preparation method of the modified zeolite-containing organic fertilizer comprises the following steps of preparing 5kg of sorghum straws, 2kg of vinasse, 5kg of wormwood, 0.1kg of silicon fertilizer, 1.5kg of modified zeolite and 1.5kg of modified diatomite: 1) Pulverizing sorghum straw and folium Artemisiae Argyi in a pulverizer, adding distiller's grains, mixing, stirring, and mixing; 2) Putting 1) into a reaction tank, steaming at 550 ℃ for 2 hours under the anoxic or anaerobic condition, then cooling to 50-60 ℃, adding silicon fertilizer and water (the mass ratio is 0.5: 10), stirring for 2 hours at 50 ℃, cooling, and drying for later use. 3) Mixing the 2) with the modified zeolite and the modified diatomite, and compressing the mixture into blocks by a press; 4) Soaking the mixture 3) in 0.5mol/L potassium chloride solution for 2 hours, taking out the soaked mixture, and drying the soaked mixture; compressing the mixture into blocks by a press machine again to obtain biomass blocks; the application comprises the following steps: and (3) putting the obtained biomass blocks into a livestock and poultry wastewater pool, soaking for 35 hours, taking out, scattering, covering a layer of rice straw on the surface, and composting. Example 2 composition: the preparation method of 5kg of sorghum straws, 2kg of vinasse, 5kg of wormwood, 0.1kg of silicon fertilizer, 3kg of modified zeolite and 1kg of modified diatomite comprises the following steps: 1) Pulverizing sorghum straw and folium Artemisiae Argyi in a pulverizer, adding distiller's grains, mixing, stirring, and mixing; 2) Putting the mixture 1) into a reaction tank, steaming for 2 hours at 550 ℃ under the anoxic or anaerobic condition, then cooling to 50-60 ℃, adding silicon fertilizer and water (the mass ratio is 1: 8), stirring for 2 hours at 50 ℃, cooling, and drying for later use. 3) Mixing the 2) with the modified zeolite and the modified diatomite, and compressing the mixture into blocks by a press; 4) Soaking the mixture 3) in 0.5mol/L potassium chloride solution for 2 hours, taking out the soaked mixture, and drying the soaked mixture; compressing the mixture into blocks by a press machine again to obtain biomass blocks; the application comprises the following steps: and (3) putting the obtained biomass blocks into a livestock and poultry wastewater pool, soaking for 35 hours, taking out, scattering, covering a layer of rice straw on the surface, and composting. Example 3 composition: the preparation method of 5kg of sorghum straws, 2kg of vinasse, 5kg of wormwood, 0.1kg of silicon fertilizer, 2kg of modified zeolite and 1.5kg of modified diatomite comprises the following steps: 1) Pulverizing sorghum straw and folium Artemisiae Argyi in a pulverizer, adding distiller's grains, mixing, stirring, and mixing; 2) Putting the mixture 1) into a reaction tank, steaming for 2 hours at 550 ℃ under the anoxic or anaerobic condition, then cooling to 50-60 ℃, adding silicon fertilizer and water (the mass ratio is 2: 7), stirring for 2 hours at 50 ℃, cooling, and drying for later use. 3) Mixing the 2) with the modified zeolite and the modified diatomite, and compressing the mixture into blocks by a press; 4) Soaking the mixture 3) in 0.5mol/L potassium chloride solution for 2 hours, taking out the soaked mixture, and drying the soaked mixture; compressing the mixture into blocks by a press machine again to obtain biomass blocks; the application comprises the following steps: and (3) putting the obtained biomass blocks into a livestock and poultry wastewater pool, soaking for 35 hours, taking out, scattering, covering a layer of rice straw on the surface, and composting. Test example 1
And (3) screening the pyrolysis temperature: fixing biological filler components (sorghum straw 0.5kg, distiller's grains 0.5kg, wormwood 0.5kg, silicon fertilizer 0.05kg, modified zeolite 0.1kg and modified diatomite 0.1 kg), and screening the pyrolysis temperature. The pig manure sewage is evenly mixed and evenly divided into 5 groups, and screening is carried out according to indexes of biochemical oxygen demand (BOD 5), chemical oxygen demand (CODcr) (mg/L), suspended matters (SS) (mg/L) and ammonia nitrogen (NH 3-N) (mg/L). The results are as follows:
From the results, before the comparison treatment, each index value of each group is reduced, but at the pyrolysis temperature of 550 ℃, each index value is relatively the lowest, so that the process pyrolysis temperature of 550 ℃ is determined.
Test example 2
Screening sorghum straws, vinasse and wormwood in proportion: fixing urea and modified zeolite, and screening the ratio of sorghum straws, vinasse and wormwood. Mixing pig manure sewage uniformly, and averagely dividing into 9 groups
The ratio of 1 group of sorghum straws, vinasse and wormwood is 1:5:1
2 groups of sorghum straws, vinasse and wormwood in a ratio of 1:4:1
3 groups of sorghum straws, vinasse and wormwood in a ratio of 5:1:5
4 groups of sorghum straws, vinasse and wormwood in a ratio of 5:2:5
5 groups of sorghum straws, vinasse and wormwood in a ratio of 5:3:5
The ratio of 6 groups of sorghum straws, vinasse and wormwood is 5:4:5
7 groups of sorghum straws, vinasse and wormwood are mixed according to the proportion of 1:1:0
8 groups of sorghum straws, vinasse and wormwood are mixed according to the proportion of 1:0:1
9 groups of sorghum straws, vinasse and wormwood are mixed according to the ratio of 0:1
Screening is carried out by indexes of biochemical oxygen demand (BOD 5), chemical oxygen demand (CODcr) (mg/L), suspended matter (SS) (mg/L) and ammonia nitrogen (NH 3-N) (mg/L) of the pig manure sewage. The results are as follows:
According to the results, the index values of all groups are reduced before the comparison treatment, and the index values of all groups are reduced to a large extent compared with 7-9 groups and 1-6 groups, which indicates that the sorghum straws, the vinasse and the wormwood have a synergistic effect and cannot be used. Meanwhile, when the ratio of the sorghum straws to the vinasse to the wormwood is 5:1:5, the index value is the lowest, so that the ratio of the sorghum straws to the vinasse to the wormwood is 5:1: 5.
Test example 3
The biological fillers prepared in examples 1, 2 and 3 are subjected to sewage treatment, and wastewater treatment is performed by taking pig manure sewage (average water quality is shown in the following table) as an example according to the discharge standard of pollutants for livestock and poultry breeding (GB 18596-2001). The results are shown in the following table:
According to the results, before comparison treatment, the index values of all groups are reduced and reach the discharge standard GB18596-2001 of pollutants for livestock and poultry breeding, and the effect of example 3 is optimal.
Test example 4
The compost of examples 1 to 3 and the fertilizer of comparative example were applied to paddy fields, the area of each paddy field area was 50m 2, sowing was carried out in 28 days in 4 months, transplanting was carried out in 18 days in 5 months, and the compost was applied to 120 kg/mu at a base of 100 and one time.
| Group of | Mu ear number (ten thousand) | Plant height (cm) | Grain number per ear | Percentage of fruit set (%) | Mu yield (kg) |
| Example 1 | 19.3 | 80.4 | 84.4 | 84.3 | 467.1 |
| Example 2 | 19.4 | 82.5 | 86.1 | 88.7 | 480.3 |
| example 3 | 20.6 | 84.6 | 88.9 | 90.6 | 502.6 |
| Blank group (fertilizer is not applied) | 12.7 | 65.4 | 71.3 | 65.2 | 350.5 |
| Comparative example 1 (Compound fertilizer) | 18.5 | 76.9 | 81.2 | 75.1 | 400.4 |
The results show that the fertilizers obtained in examples 1-3 and comparative example are compared with each other in the growth condition of rice breeding, and the rice growth and development of the fertilizers provided in examples 1-3 are obvious. Meanwhile, the fructification rate of the groups of examples 1-3 is high, the yield increase is obvious, and particularly, the effect provided by example 3 is the most prominent. The rice yield of the embodiment 1-3 is improved by 16.7% -25.5% compared with the proportion, and is improved by 33.3% -43.4% compared with the rice yield of the common soil culture (blank control group), which shows that the compost provided by the invention has an obvious effect on rice culture.
Claims (10)
1. the biological filler for treating the livestock and poultry wastewater is characterized by consisting of sorghum straws, vinasse, wormwood, a modified solvent and a base material.
2. The biological filler for treating livestock and poultry wastewater according to claim 1, which is characterized by comprising the following components in percentage by weight: 1-40% of sorghum straw, 1-20% of vinasse, 1-40% of wormwood, 0.1-10% of modified solvent and 1-30% of base material.
3. The biological filler for treating livestock wastewater according to claim 1, wherein the modifier is composed of one or more of compound silicon fertilizer, compound fertilizer, potassium chloride, ammonium phosphate, urea and silicon-containing fertilizer.
4. The biological filler for treating livestock and poultry wastewater as claimed in claim 1, wherein the substrate is composed of one or more of clay, expanded vermiculite, sepiolite, modified zeolite, modified diatomite and calcium oxide.
5. The biological filler for treating the livestock and poultry wastewater according to claim 4, wherein the modified zeolite is obtained by soaking in glacial acetic acid for 24h and adding 20% of sodium hydroxide for 36 h; the modified diatomite is prepared by selecting diatomite raw materials, roasting at a high temperature of 700-900 ℃, and crushing by high-pressure airflow.
6. The biological filler for treating livestock and poultry wastewater according to claim 1, which is prepared by the following steps:
1) Pulverizing sorghum straw and folium Artemisiae Argyi in a pulverizer, adding distiller's grains, mixing, stirring, and mixing;
2) Placing the mixture 1) into a reaction tank, steaming for 2-3 hours at 400-600 ℃ under the anoxic or anaerobic condition, then cooling to 50-60 ℃, adding silicon fertilizer and water, stirring for 1-2 hours at 40-50 ℃, cooling, drying and reserving for later use;
3) mixing the mixture obtained in the step 2) with modified zeolite and modified diatomite, and compressing the mixture into blocks by a press machine to obtain biomass blocks; 4) Soaking the mixture 3) in 0.2-5mol/L potassium chloride solution for 3-5 hours, taking out the soaked mixture, and drying the soaked mixture; and compressing the mixture into blocks by a press machine again to obtain the biomass blocks.
7. The biological filler for treating livestock and poultry wastewater according to claim 6, wherein the ratio of sorghum straw: vinasse: the mass ratio of the wormwood is 1-5:1-5: 1-5; the mass ratio of the silicon fertilizer to the water is 0.1:10-2: 10.
8. The biological filler for treating livestock and poultry wastewater according to claim 1, which is characterized in that the application method comprises the following steps: and (4) putting the biomass blocks obtained in the step (4) into a livestock and poultry wastewater pool, soaking for 10-36 hours, taking out, scattering, covering a layer of rice straw on the surface, and composting.
9. A biological filler for treating livestock and poultry wastewater is characterized by being applied to the treatment of the livestock and poultry wastewater.
10. A biological filler for treating livestock and poultry wastewater is characterized in that compost is applied to cultivating paddy rice.
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Application publication date: 20191210 |