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Livestock and poultry dung or urine deodorizing method and uses thereof

A technology for excrement, livestock and poultry, which is applied in deodorization of livestock and poultry excrement and its application field, can solve the problems that microbial deodorants cannot be stored for a long time, secondary pollution of chemical deodorants, and reduce the deodorization effect, etc., to achieve Long-lasting deodorizing effect, convenient storage and transportation, and improved physical and chemical properties

Inactive Publication Date: 2008-05-07
NINGBO UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition to the high cost of chemical deodorants and plant deodorants, chemical deodorants may cause secondary pollution, and the cost of microbial deodorants is lower than the former two, mainly because of fewer bacteria and lower fermentation costs Less bacteria will reduce the deodorizing effect
In addition, microbial deodorants cannot be stored for a long time, are difficult to transport over long distances, and their application is limited

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Example 1: Research on the Influence of Peroxidase Concentration on Deodorizing Effect

[0014] 1) Weigh different horseradish peroxidase powder preparations (250 U / mg), and prepare 50 mL of peroxidase solutions with different concentrations (0.1-3.0 U / mL) with water, and set aside.

[0015] 2) Take 367mL of concentrated hydrogen peroxide solution (30%) and prepare 1100mL of a 10% dilute solution with water for later use.

[0016] 3) Prepare 24 plastic buckets with lids (22cm high, 18cm inner diameter at the lower part, and 30cm inner diameter at the upper part), mix pig feces and urine evenly to form a paste, and put 3L in each bucket.

[0017] 4) Spray 15mL of the above-mentioned peroxidase solution of different concentrations on the feces and urine of 21 buckets, and then spray 15mL of dilute hydrogen peroxide solution, and make parallel measurements in groups of 3. Only 30 mL of distilled water was sprayed on the feces and urine of the other 3 buckets as a control....

Embodiment 2

[0021] Embodiment 2: Research on the Influence of Hydrogen Peroxide Solution Concentration on Deodorizing Effect

[0022] 1) Weigh horseradish peroxidase powder preparation (250U / mg), and prepare 350mL peroxidase solution with a concentration of 1.0U / mL with water, and set aside.

[0023] 2) Take 1-10 mL of concentrated hydrogen peroxide solution (30%) in different volumes, and prepare 50 mL of dilute solution with a concentration of 0.5%-6% with water respectively, and set aside.

[0024] 3) Prepare 24 plastic buckets with lids (22cm high, 18cm inner diameter at the bottom, and 30cm inner diameter at the top). Mix pig manure and urine evenly to form a paste, and put 3L in each bucket.

[0025] 4) Spray 15mL of peroxidase solution on the feces and urine of 21 buckets, and then spray 15mL of dilute hydrogen peroxide solution of different concentrations, and make parallel measurements in groups of 3. Only 30 mL of distilled water was sprayed on the feces and urine of the other...

Embodiment 3

[0030] Embodiment 3: the study of the impact of calcium peroxide powder of different quality on deodorizing effect

[0031] 1) Weigh horseradish peroxidase powder preparation (250U / mg), and prepare 350mL peroxidase solution with a concentration of 1.0U / mL with water, and set aside.

[0032] 2) Prepare 24 plastic buckets with lids (height 22cm, lower inner diameter 18cm, upper inner diameter 30cm), mix pig feces and urine evenly to form a paste, put 3L in each bucket.

[0033] 3) Spray 15mL of peroxidase solution on the feces and urine of 21 water buckets, and then spray 75% calcium peroxide powder with different masses, and do parallel measurement in groups of 3. Only 15 mL of distilled water was sprayed on the feces and urine of the other three buckets as a control. Put the cap back on immediately after spraying the deodorizing solution. After 2 hours, 10mL of feces and urine mixture was analyzed for the concentration of several odor components, and the degree of odor was j...

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Abstract

The invention relates to a poultry waste deodorization method and the application thereof. The invention is characterized in that: firstly, peroxidase solution of 0.5U / mL to 1.5U / mL and hydrogen peroxide solution of 1 to 4 percent is made up, and the peroxidase solution is sprayed on the poultry waste (spraying 3mL for each liter of waste), and then the hydrogen peroxide solution with the same volume is sprayed, or calcium superoxide powder of 75 percent (spraying 0.3 to 0.5 g for each liter) is sprayed. Using the principle that the peroxidase ensures that the aromaticity compound is catalyzed and oxidized to free radical to be decomposed and eliminated by using peroxide or calcium superoxide as an electron acceptor in the range of having wider temperature, PH value, pollutant concentration and salinity, the bad smelly produced by poultry waste in a poultry cultivation farm is eliminated. The deodorization method is simple without any complex facility, and any staff and device are not needed to be increased having no investment cost and having low running cost. The deodorization effect is obvious and can last for a long time, and secondary pollution can not be caused. The invention has application prospect in the meager profit industry of livestock breeding.

Description

technical field [0001] The invention relates to a method for deodorizing livestock and poultry manure and its application. Background technique [0002] With the rapid development of livestock and poultry breeding production, especially the development of large-scale breeding, a large number of livestock and poultry wastes are produced, causing the contradiction between the development of livestock and poultry industry and environmental pollution to become increasingly prominent. The main pollutants in the livestock and poultry breeding industry are feces and urine and the odor produced by anaerobic fermentation. The main components of odor are volatile fatty acids, indole, phenolic compounds, ammonia, volatile amines, volatile sulfur compounds, etc. [0003] The investment and operation costs of large-scale deodorization devices are high, and the effect is obvious for point sources with high emission concentrations. However, for unorganized emission sources such as livest...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/00
Inventor 叶芬霞朱瑞芬李颖
Owner NINGBO UNIVERSITY OF TECHNOLOGY
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