CN112194283A - Resourceful treatment process for goat excrement wastewater - Google Patents

Resourceful treatment process for goat excrement wastewater Download PDF

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Publication number
CN112194283A
CN112194283A CN202011032230.8A CN202011032230A CN112194283A CN 112194283 A CN112194283 A CN 112194283A CN 202011032230 A CN202011032230 A CN 202011032230A CN 112194283 A CN112194283 A CN 112194283A
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China
Prior art keywords
wastewater
goat
manure
treatment process
uniformly mixing
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Pending
Application number
CN202011032230.8A
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Chinese (zh)
Inventor
陈悦强
张国怀
周建军
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Anhui Province Tianchang City Zhoushi Sheep Co ltd
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Anhui Province Tianchang City Zhoushi Sheep Co ltd
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Priority to CN202011032230.8A priority Critical patent/CN112194283A/en
Publication of CN112194283A publication Critical patent/CN112194283A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/02Biological treatment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/50Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Treatment Of Sludge (AREA)

Abstract

The invention discloses a resourceful treatment process for goat manure wastewater, which comprises the following steps: concentrating the goat manure wastewater in a wastewater treatment tank, adding calcium oxide and sodium carbonate, then adding aluminum chloride and magnesium sulfate, standing for 5-8h, removing precipitates, then adding sodium chlorite and sodium bicarbonate, and sterilizing to obtain treated wastewater; uniformly mixing the precipitate with a leaven and a nitrogen source, then adding the collected sheep manure, uniformly mixing, and stacking into steamed bread or cone; fermenting sheep manure pile at normal temperature for 3-5 days. The method of the invention has low cost, and the solid precipitate and the liquid can be reused, especially the added inorganic salt can be applied to the soil as fertilizer after fermentation, thereby achieving the technical effects of no pollution and resource utilization. The special lactobacillus fermentum CD110 and trichoderma viride are added into the mixed microbial starter to act together to form a synergistic effect, so that the fermentation time is effectively shortened.

Description

Resourceful treatment process for goat excrement wastewater
Technical Field
The invention relates to the technical field of environmental protection, in particular to a resourceful treatment process for goat excrement wastewater.
Background
The sheep manure is the excrement of sheep, is black, is similar to soybean grains in size and is approximately elliptical in shape, and is animal manure with wide application. The sheep manure is a good organic fertilizer after fermentation, can improve soil quality by using the sheep manure as a fertilizer, prevents soil hardening, and has good economic value. The following are common: it is used for growing flower, grass and tea. However, since the sheep manure contains pathogenic bacteria such as coliform bacteria and nematodes and pests which are directly applied to farmlands, disease and pest damage can be caused and diseases and pests can be transmitted and crops can be diseased, and the phenomena of root burning and seedling burning can also be caused, the sheep manure needs to be fermented and then utilized, and the waste water for cleaning the goat manure needs to be subjected to harmless treatment.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a resourceful treatment process for goat manure wastewater.
The technical scheme of the invention is as follows:
a resourceful treatment process for goat manure wastewater comprises the following steps:
A. concentrating the goat manure wastewater in a wastewater treatment tank, adding calcium oxide and sodium carbonate, then adding aluminum chloride and magnesium sulfate, standing for 5-8h, removing precipitates, then adding sodium chlorite and sodium bicarbonate, and sterilizing to obtain treated wastewater;
B. uniformly mixing the precipitate obtained in the step A with a leavening agent and a nitrogen source, then adding the collected sheep manure, uniformly mixing, and stacking into steamed bread or cone to obtain a sheep manure pile;
C. fermenting sheep manure pile at normal temperature for 2-3 days.
Preferably, in the step A, the addition amount of the calcium oxide and the sodium carbonate is 10-15g/L and 6-8 g/L.
Preferably, in the step A, the adding amount of the aluminum chloride and the magnesium sulfate is 15-20 g/L and 12-15 g/L.
Preferably, in the step A, the addition amount of the sodium chlorite and the sodium bicarbonate is 18-25g/L and 5-8 g/L.
Preferably, in the step A, the treated wastewater can be repeatedly used for cleaning a goat breeding field.
Preferably, in the step B, the leavening agent is a mixed microbial leavening agent.
Further preferably, the mixed microbial starter consists of the following components in percentage by weight: 35-45% of bacillus subtilis, 12-15% of trichoderma viride, 20-25% of lactobacillus fermentum CD 110and the balance of yeast.
The Lactobacillus fermentum CD110 is Lactobacillus fermentum CD110 disclosed in Chinese patent application CN 109306332A.
More preferably, in the mixed microbial starter, the effective viable count is more than or equal to 1 x 109CFU/gram.
Preferably, in step B, the nitrogen source is urea.
Preferably, in the step B, the addition amount of the leavening agent is 1-3% of the weight of the sediment; the mass ratio of the sediment to the nitrogen source to the sheep manure is 100: (5-8): (80-200).
The invention has the advantages that: the invention relates to a resourceful treatment process of goat manure wastewater, which comprises the following steps: concentrating the goat manure wastewater in a wastewater treatment tank, adding calcium oxide and sodium carbonate, then adding aluminum chloride and magnesium sulfate, standing for 5-8h, removing precipitates, then adding sodium chlorite and sodium bicarbonate, and sterilizing to obtain treated wastewater; uniformly mixing the precipitate with a leaven and a nitrogen source, then adding the collected sheep manure, uniformly mixing, and stacking into steamed bread or cone; fermenting sheep manure pile at normal temperature for 3-5 days. According to the resourceful treatment process of the goat manure wastewater, the sewage is precipitated and then sterilized, and the sterilized sewage can be recycled; and mixing the precipitate with a mixed microbial starter, a nitrogen source and sheep manure, and fermenting. The method of the invention has low cost, and the solid precipitate and the liquid can be reused, especially the added inorganic salt can be applied to the soil as fertilizer after fermentation, thereby achieving the technical effects of no pollution and resource utilization. According to the invention, special lactobacillus fermentum CD110 and trichoderma viride are added into the mixed microbial starter to act together to form a synergistic effect, so that the fermentation time is effectively shortened, the fermentation efficiency is improved, the utilization rate of a fermentation field can be effectively improved, and the cost is further reduced.
Detailed Description
Example 1
A resourceful treatment process for goat manure wastewater comprises the following steps:
A. concentrating the goat manure wastewater in a wastewater treatment tank, adding calcium oxide and sodium carbonate, then adding aluminum chloride and magnesium sulfate, standing for 6.5h, removing precipitates, then adding sodium chlorite and sodium bicarbonate, and sterilizing to obtain treated wastewater;
B. uniformly mixing the precipitate obtained in the step A with a leavening agent and urea, adding the collected sheep manure, uniformly mixing, and stacking into steamed bread or cone to obtain a sheep manure pile;
C. fermenting the sheep manure pile (with the water content of 65.4%) at normal temperature, and controlling the fermentation time to be 72 h.
In the step A, the adding amount of the calcium oxide and the sodium carbonate is 12g/L and 7 g/L; the adding amount of the aluminum chloride and the magnesium sulfate is 18g/L and 12.5 g/L; the addition amount of the sodium chlorite and the sodium bicarbonate is 22g/L and 6 g/L.
In the step A, the treated wastewater can be repeatedly used for cleaning a goat breeding field.
In the step B, the leavening agent is a mixed microorganism leavening agent; the mixed microbial starter consists of the following components in percentage by weight: 40% of bacillus subtilis, 13% of trichoderma viride, 11022% of lactobacillus fermentum and the balance of yeast.
The Lactobacillus fermentum CD110 is Lactobacillus fermentum CD110 disclosed in Chinese patent application CN 109306332A.
The effective viable count of the mixed microbial starter is 5 x 109CFU/gram.
In the step B, the addition amount of the leavening agent is 1.5 percent of the weight of the sediment; the mass ratio of the sediment to the urea to the sheep manure is 100: 7: 150.
example 2
A resourceful treatment process for goat manure wastewater comprises the following steps:
A. concentrating the goat manure wastewater in a wastewater treatment tank, adding calcium oxide and sodium carbonate, then adding aluminum chloride and magnesium sulfate, standing for 5-8h, removing precipitates, then adding sodium chlorite and sodium bicarbonate, and sterilizing to obtain treated wastewater;
B. uniformly mixing the precipitate obtained in the step A with a leavening agent and urea, adding the collected sheep manure, uniformly mixing, and stacking into steamed bread or cone to obtain a sheep manure pile;
C. fermenting the sheep manure pile (with water content of 66.5%) at normal temperature, and controlling the fermentation time to be 72 h.
In the step A, the adding amount of the calcium oxide and the sodium carbonate is 10g/L and 8 g/L; the adding amount of the aluminum chloride and the magnesium sulfate is 15g/L and 15 g/L; the addition amount of the sodium chlorite and the sodium bicarbonate is 18g/L and 8 g/L.
In the step A, the treated wastewater can be repeatedly used for cleaning a goat breeding field.
In the step B, the leavening agent is a mixed microorganism leavening agent; the mixed microbial starter consists of the following components in percentage by weight: 35% of bacillus subtilis, 15% of trichoderma viride, 11020% of lactobacillus fermentum and the balance of yeast.
The Lactobacillus fermentum CD110 is Lactobacillus fermentum CD110 disclosed in Chinese patent application CN 109306332A.
The effective viable count of the mixed microbial starter is 3 x 109CFU/gram.
In the step B, the addition amount of the leavening agent is 1% of the weight of the sediment; the mass ratio of the sediment to the urea to the sheep manure is 100: 8: 80.
example 3
A resourceful treatment process for goat manure wastewater comprises the following steps:
A. concentrating the goat manure wastewater in a wastewater treatment tank, adding calcium oxide and sodium carbonate, then adding aluminum chloride and magnesium sulfate, standing for 5-8h, removing precipitates, then adding sodium chlorite and sodium bicarbonate, and sterilizing to obtain treated wastewater;
B. uniformly mixing the precipitate obtained in the step A with a leavening agent and urea, adding the collected sheep manure, uniformly mixing, and stacking into steamed bread or cone to obtain a sheep manure pile;
C. fermenting the sheep manure pile (with water content of 63.2%) at normal temperature, and controlling the fermentation time to be 72 h.
In the step A, the adding amount of the calcium oxide and the sodium carbonate is 15g/L and 6 g/L; the adding amount of the aluminum chloride and the magnesium sulfate is 20g/L and 12 g/L; the addition amount of the sodium chlorite and the sodium bicarbonate is 25g/L and 5 g/L.
In the step A, the treated wastewater can be repeatedly used for cleaning a goat breeding field.
In the step B, the leavening agent is a mixed microorganism leavening agent; the mixed microbial starter consists of the following components in percentage by weight: 45% of bacillus subtilis, 12% of trichoderma viride, 11025% of lactobacillus fermentum CD and the balance of yeast.
The Lactobacillus fermentum CD110 is Lactobacillus fermentum CD110 disclosed in Chinese patent application CN 109306332A.
The effective viable count of the mixed microbial starter is 6 x 109CFU/gram.
In the step B, the addition amount of the leavening agent is 3% of the weight of the sediment; the mass ratio of the sediment to the urea to the sheep manure is 100: 5: 200.
comparative example 1
The lactobacillus fermentum CD110 in example 1 was replaced with conventional commercially available lactobacillus fermentum, and the rest of the formulation and treatment process were unchanged.
Comparative example 2
The lactobacillus fermentum CD110 in example 1 was removed, and the rest of the formulation and treatment process were unchanged.
Comparative example 3
The trichoderma viride in example 1 was removed, and the rest of the formulation and treatment process were unchanged.
Comparative example 4
The mass ratio of the precipitate to the sheep manure in example 1 was adjusted to 100: 800, and the rest proportion and the treatment process are unchanged.
The following tests were carried out on the fermentation processes of examples 1 to 3 and comparative examples 1 to 4 at room temperature of 25 to 28 ℃ at temperatures (. degree. C.) for different periods of time, and the specific test results are shown in Table 1.
Table 1: temperature (DEG C) test results of different time periods;
0h 12h 24h 36h 48h 60h 72h 84h 96h
example 1 25.4 53.2 68.5 73.1 50.7 39.5 27.1 26.8 26.2
Example 2 25.4 51.7 66.2 73.4 55.4 42.2 29.7 27.5 26.3
Example 3 25.3 54.5 69.0 73.2 44.5 30.5 26.4 26.2 26.0
Comparative example 1 25.4 48.7 62.9 69.5 73.2 73.1 73.1 69.5 65.7
Comparative example 2 25.4 35.2 45.7 53.1 60.4 65.1 71.2 73.2 73.3
Comparative example 3 25.3 43.1 54.8 61.7 68.4 73.2 73.3 73.3 71.8
Comparative example 4 25.3 50.7 65.8 73.2 73.2 62.4 55.4 47.2 35.9
From the above test data, it can be known that the fermentation rate can be significantly increased by using the specific lactobacillus fermentum CD110 and using it together with trichoderma viride.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. A resourceful treatment process for goat manure wastewater is characterized by comprising the following steps:
A. concentrating the goat manure wastewater in a wastewater treatment tank, adding calcium oxide and sodium carbonate, then adding aluminum chloride and magnesium sulfate, standing for 5-8h, removing precipitates, then adding sodium chlorite and sodium bicarbonate, and sterilizing to obtain treated wastewater;
B. uniformly mixing the precipitate obtained in the step A with a leavening agent and a nitrogen source, adding the collected sheep manure, uniformly mixing, and stacking into steamed bread or cone;
C. fermenting sheep manure pile at normal temperature for 2-3 days.
2. The goat manure wastewater resource treatment process as claimed in claim 1, wherein in the step A, the addition amount of the calcium oxide and the sodium carbonate is 10-15g/L and 6-8 g/L.
3. The process as claimed in claim 1, wherein in step A, the addition amount of aluminum chloride and magnesium sulfate is 15-20 g/L and 12-15 g/L.
4. The process as claimed in claim 1, wherein in step A, the addition amount of sodium chlorite and sodium bicarbonate is 18-25g/L and 5-8 g/L.
5. The process as claimed in claim 1, wherein in step A, the treated waste water can be reused for cleaning goat breeding field.
6. The process of claim 1, wherein in the step B, the fermentation agent is a mixed microbial fermentation agent.
7. The resourceful treatment process of goat manure wastewater as claimed in claim 6, wherein the mixed microbial fermentation agent comprises the following components in percentage by weight: 35-45% of bacillus subtilis, 12-15% of trichoderma viride, 20-25% of lactobacillus fermentum CD 110and the balance of yeast.
8. The process for recycling goat manure wastewater as claimed in claim 6, wherein the effective viable count in the mixed microbial fermentation agent is not less than 1 x 109CFU/gram.
9. The process as claimed in claim 1, wherein in step B, the nitrogen source is urea.
10. The goat manure wastewater recycling treatment process as claimed in claim 1, wherein in the step B, the addition amount of the leavening agent is 1-3% of the weight of the precipitate; the mass ratio of the sediment to the nitrogen source to the sheep manure is 100: (5-8): (80-200).
CN202011032230.8A 2020-09-27 2020-09-27 Resourceful treatment process for goat excrement wastewater Pending CN112194283A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011044279A2 (en) * 2009-10-06 2011-04-14 Bio Architecture Lab, Inc. Microbial systems for producing commodity chemicals
CN104293711A (en) * 2014-09-29 2015-01-21 山东苏柯汉生物工程股份有限公司 Sheep-and-cow dung fermented compound bacteria, preparation method thereof and method for preparing organic fertilizer by utilizing fermentation of compound bacteria
CN104709987A (en) * 2015-03-18 2015-06-17 高彬 Papermaking wastewater treatment agent and application method thereof
CN109306332A (en) * 2018-09-22 2019-02-05 南京农业大学 Lactobacillus fermenti CD110 and its application in ferment sausage preparation
CN110746205A (en) * 2019-12-09 2020-02-04 四川盈基新能源投资有限公司 Harmless treatment and resource utilization method for alpine plateau sheep manure in northwest and west China

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011044279A2 (en) * 2009-10-06 2011-04-14 Bio Architecture Lab, Inc. Microbial systems for producing commodity chemicals
CN104293711A (en) * 2014-09-29 2015-01-21 山东苏柯汉生物工程股份有限公司 Sheep-and-cow dung fermented compound bacteria, preparation method thereof and method for preparing organic fertilizer by utilizing fermentation of compound bacteria
CN104709987A (en) * 2015-03-18 2015-06-17 高彬 Papermaking wastewater treatment agent and application method thereof
CN109306332A (en) * 2018-09-22 2019-02-05 南京农业大学 Lactobacillus fermenti CD110 and its application in ferment sausage preparation
CN110746205A (en) * 2019-12-09 2020-02-04 四川盈基新能源投资有限公司 Harmless treatment and resource utilization method for alpine plateau sheep manure in northwest and west China

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Application publication date: 20210108