Method used for livestock and poultry sewage processing

A sewage treatment, livestock and poultry technology, applied in water/sewage treatment, biological water/sewage treatment, water/sewage multi-stage treatment, etc., can solve soil pore blockage, increase of toxic components, loss of use function of fish ponds and rivers, etc. problems, to achieve the effect of reducing organic matter content, rapid degradation effect, and remarkable precipitation effect

Inactive Publication Date: 2019-01-11
广西乐业康辉生态养殖专业合作社
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The water contains a large amount of nutrients such as N and P, which is one of the important reasons for the eutrophication of water bodies. Discharge into fish ponds and rivers will gradually kill aquatic organisms that are sensitive to organic pollution, and in severe cases, fish ponds and rivers will lose their use.
The aquaculture sewage seeps into the ground for a long time, which increases the concentration of nitrate nitrogen or nitrite nitrogen in the groundwater, reduces the dissolved oxygen content in the groundwater, and increases the toxic components, leading to deterioration of water quality and even loss of its use function, while endangering the quality of surrounding domestic water.
High-concentration sewage can also lead to blockage of soil pores, resulting in decreased soil air permeability, water permeability, compaction, and salinization, seriously reducing soil quality, and even harming crops, resulting in reduced production and death

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A method for treating livestock and poultry sewage, specifically comprising the following steps:

[0027] (1) After the solid-liquid separation, the sewage is collected and flowed into the concentration pool, and the precipitant is added, stirred evenly, left to stand for 3 hours, filtered, and set aside;

[0028] Among them, the precipitant is mainly composed of magnesium oxide and quicklime in equal mass ratio;

[0029] (2) Flow the sewage after the sedimentation treatment in step (1) into the enzymolysis tank, add compound enzyme preparation, calcium chloride, sodium sulfate, and potassium phosphate, stir and mix evenly, and then carry out the enzymolysis reaction at a temperature of 35° C.;

[0030] Among them, the compound enzyme preparation mainly includes horseradish peroxidase and organic phosphorus degrading enzyme in equal mass ratio;

[0031] (3) Flow the sewage after enzymatic hydrolysis in step (2) into the fermentation tank, add microbial culture medium a...

Embodiment 2

[0039] A method for treating livestock and poultry sewage, specifically comprising the following steps:

[0040] (1) After the solid-liquid separation, the sewage is collected and flowed into the concentration pool, and the precipitant is added, stirred evenly, left to stand for 4 hours, filtered, and set aside;

[0041] Among them, the precipitant is mainly composed of silica, gypsum and fly ash in equal mass ratio;

[0042] (2) Flow the sewage after the sedimentation treatment in step (1) into the enzymolysis tank, add compound enzyme preparation, calcium chloride, sodium sulfate, and potassium phosphate, stir and mix evenly, and then carry out the enzymolysis reaction at a temperature of 42°C;

[0043] Among them, the compound enzyme preparation mainly includes lignin peroxidase, ammonia protease and cellulase in equal mass ratio;

[0044] (3) Flow the sewage after enzymatic hydrolysis in step (2) into the fermentation tank, add microbial culture medium and microbial prepara...

Embodiment 3

[0052] A method for treating livestock and poultry sewage, specifically comprising the following steps:

[0053] (1) After the solid-liquid separation, the sewage is collected and flowed into the concentration pool, and the precipitant is added, stirred evenly, left to stand for 5 hours, filtered, and set aside;

[0054] Among them, the precipitant is mainly composed of magnesium oxide, quicklime, sodium oxide, aluminum oxide, silicon dioxide, gypsum and fly ash in equal mass ratio;

[0055] (2) Flow the sewage after the sedimentation treatment in step (1) into the enzymolysis tank, add compound enzyme preparation, calcium chloride, sodium sulfate, and potassium phosphate, stir and mix evenly, and then carry out the enzymolysis reaction at a temperature of 50° C.;

[0056] Among them, the compound enzyme preparation mainly includes horseradish peroxidase, lignin peroxidase, organophosphate degrading enzyme, ammonia protease, oxidoreductase and cellulase in equal mass ratio;

...

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PUM

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Abstract

The invention belongs to the technical field of sewage processing, and more specifically relates to a method used for livestock and poultry sewage processing. The method comprises following steps: precipitating agent precipitation treatment, composite enzyme enzymatic hydrolysis, microbiological culture media microbes are increased and microbiological degradation is carried out, and refreshing agent deodorizing sterilization processing. The method is capable of reducing pollutants such as ammonia nitrogen and phosphor in sewage, reaching obvious sterilizing, deodorizing, nitrogen removing, phosphate removing, and decolouring effects, is excellent in sewage processing effect, high in removing rate, is simple in operation, is safe, and is friendly to the environment.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a method for treating livestock and poultry sewage. Background technique [0002] The livestock and poultry industry is an important part of my country's agriculture and rural economy. The environmental pollution caused by the vigorous development of the livestock and poultry industry is becoming more and more serious, which not only affects economic development, but also endangers ecological security. It has become a social problem that people generally pay attention to. The feces and sewage produced by livestock and poultry farms cause serious pollution of surface water, groundwater, soil and ambient air, directly affecting people's health and normal production and life. Untreated sewage from livestock and poultry farms contains a large amount of pollutants, and its pollution load is very high. This high-concentration organic wastewater is directly discharged or washed...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F101/30
CPCC02F9/00C02F1/38C02F1/001C02F1/5236C02F1/50C02F3/342C02F3/348C02F2101/30C02F2001/007
Inventor 陈长军
Owner 广西乐业康辉生态养殖专业合作社
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