Microbial preparation for purifying breeding wastewater

A technology of microbial preparations and aquaculture wastewater, applied in the direction of microbial-based methods, microorganisms, biological water/sewage treatment, etc., can solve the problems of poor treatment effect, difficult to meet the standard of effluent water quality, high cost of sewage purification and treatment, etc., and achieve improvement The quality of agricultural products, the benefits of industrial production, and the effect of easy operation

Inactive Publication Date: 2014-11-19
河南恒野农牧股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the purification process of aquaculture wastewater is mainly direct aerobic biochemical treatment process, including activated sludge method, biological contact oxidation method, A2/O, A/O, SBR biochemical method a

Method used

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  • Microbial preparation for purifying breeding wastewater

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A microbial preparation for the purification and treatment of aquaculture wastewater, which is prepared according to the following method:

[0027] Mix the mixed bacterial solution, sawdust and diatomaceous earth according to the weight ratio of 1:1:1, stir evenly, and then dry it at 4°C at a low temperature, and control the water content at 8% after drying; the mixed bacterial solution is obtained by Mix the following raw materials by volume: 8 parts of Bacillus subtilis, 8 parts of Paracoccus denitrificans, 6 parts of Alcaligenes faecalis, 6 parts of Acidophilus ferrooxidans, 3 parts of Bacillus megaterium, Pseudomonas aeruginosa 2 parts of bacteria, 2 parts of Bacillus cereus and 1 part of Sphingomonas; the concentration of the above-mentioned raw material bacteria was controlled at 1×10 8 pieces / ml. The particle diameters of the above-mentioned sawdust or diatomaceous earth are all controlled above 100 mesh.

[0028] The methods of using the above-mentioned microb...

Embodiment 2

[0033] A microbial preparation for the purification and treatment of aquaculture wastewater, which is prepared according to the following method:

[0034] Mix the mixed bacterial solution, sawdust and diatomaceous earth according to the weight ratio of 1:1:1, stir evenly, and then dry it at 4°C at a low temperature, and control the water content at 10% after drying; the mixed bacterial solution is obtained by Mix the following raw materials by volume: 8 parts of Bacillus subtilis, 8 parts of Paracoccus denitrificans, 6 parts of Alcaligenes faecalis, 6 parts of Acidophilus ferrooxidans, 3 parts of Bacillus megaterium, Pseudomonas aeruginosa 2 parts of bacteria, 2 parts of Bacillus cereus and 1 part of Sphingomonas; the concentration of the above-mentioned raw material bacteria was controlled at 2×10 8 pieces / ml; the particle size of the above-mentioned sawdust or diatomaceous earth is controlled above 100 mesh.

[0035]The Bacillus subtilis is Bacillus subtilis CGMCC No: 0954;...

Embodiment 3

[0048] Taking the pig breeding wastewater of our company as an example, the treatment effect of the microbial preparation of Example 2 was tested, and the indicators such as ammonia nitrogen, nitronitrogen and phosphorus all reached the ideal discharge standard. The specific detection indicators are shown in Table 1:

[0049] Table 1 Parameter indicators before and after sewage treatment

[0050] project name

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Abstract

The invention belongs to the technical field of environmental protection and discloses a microbial preparation for purifying breeding wastewater. A preparation method of the microbial preparation comprises the following steps: uniformly mixing mixed bacteria liquid, sawdust and diatomite according to a weight ratio of 1 to 1 to 1, drying at the low temperature of 4 DEG C, and controlling the water content to be 8%-10% after drying. The invention further discloses a use method of the microbial preparation. According to the microbial preparation, strains are reasonably mixed, are symbiotic and coordinative, and are not mutually antagonistic; the preparation method is simple and feasible, the operation is simple and convenient, and the industrialized production is facilitated.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and in particular relates to a microbial preparation for purification and treatment of aquaculture wastewater and its application. Background technique [0002] With the development of the breeding industry and the increasingly fierce competition in the industry, the large-scale and intensive development of animal husbandry has become an inevitable trend. Large-scale pig farms have higher livestock and poultry breeding technology, unified management, and reduced costs. The economic benefits are improved, but the discharged wastewater has a poor impact on the environment. Pig farm wastewater is mainly composed of urine, residual feces, feed residue and flushing water, among which flushing water accounts for the vast majority. The water quality characteristics of pig farm wastewater are related to the structure of the pig house, the way of cleaning manure and the use of flushing w...

Claims

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Application Information

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IPC IPC(8): C12N1/20C02F3/34C05F11/08C12R1/125C12R1/01C12R1/05C12R1/11C12R1/385C12R1/085
Inventor 赖建彬李红渠
Owner 河南恒野农牧股份有限公司
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