Method for manufacturing organic fertilizer with orange peels and municipal sludge as main raw materials and organic fertilizer

A technology of citrus peel residue and municipal sludge, which is applied in the direction of fertilization equipment, fertilizer mixture, application, etc., can solve the problems of low fertilizer quality, environmental hazards, poor effect, etc., achieve low operating costs, increase microbial biomass, shorten Effect of maturity time

Inactive Publication Date: 2015-10-28
CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the low nitrogen, phosphorus, and potassium content of citrus peels, and their acidity, the effect of composting is not good and the quality of fertilizers is not high.
[0003] On the other hand, the massive generation of urban sludge has become a serious problem in sewage treatment, and if it cannot be properly disposed of, it will cause serious harm to the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Main ingredients: citrus peels after industrial juicing, the water content is 80.0% and the particle size is less than 1cm; urban sludge, that is, the dehydrated sludge discharged from the secondary sedimentation tank of the urban sewage treatment system, Its water content is 80%, and the volatile solid content, that is, the mass fraction of volatile solids in dry matter is 80%.

[0023] Accessory materials: straw and pig manure crushed to a particle size of less than 1cm;

[0024] Biological strains: black mold, Bacillus subtilis and Trichoderma viride with a weight ratio of 1:1:1, the number of active bacteria is not less than 1.5×10 9 cfu / g.

[0025] Use the following method to make organic fertilizer:

[0026] 1) Mixing: Mix 35 parts by weight of citrus peel residue, 32 parts of municipal sludge, 17 parts of straw with a moisture content of 6% and 1 part of biological strains to form a mixed material, and then add it to the mixing Add quicklime to the homogen...

Embodiment 2

[0032] Main ingredients: citrus peel after industrial juicing, with a water content of 80.0%, crushed to less than 1cm; municipal sludge, that is, dehydrated sludge discharged from the secondary settling tank of the urban sewage treatment system, with a water content of 70% , The volatile solid content is 70.5%. Accessory materials: straw and pig manure crushed to a particle size of less than 1cm;

[0033] Biological strains: black mold, Bacillus subtilis and Trichoderma viride with a weight ratio of 1:1:1, the number of active bacteria is not less than 1.5×10 9 cfu / g.

[0034] Use the following method to make organic fertilizer:

[0035] 1) Mixing: Mix 30 parts by weight of citrus peel residue, 35 parts of municipal sludge, 16 parts of straw with a moisture content of 1% and 1 part of biological strains to form a mixed material, and then add Add quicklime to the mixed material at a ratio of 6.9kg / ton to control the pH value of the mixed material at 7.05 and the moistur...

Embodiment 3

[0041] Main ingredients: citrus peel residue after industrial juicing, with a water content of 80.0%, crushed to less than 1cm; municipal sludge, that is, the dehydrated sludge discharged from the secondary sedimentation tank of the urban sewage treatment system, with a water content of 65.0% , The volatile solid content is 60.0%.

[0042] Accessory materials: straw and pig manure crushed to a particle size of less than 1cm;

[0043] Biological strains: black mold, Bacillus subtilis and Trichoderma viride with a weight ratio of 1:1:1, the number of active bacteria is not less than 1.5×10 9 cfu / g.

[0044] Use the following method to make organic fertilizer:

[0045] 1) Mixing: Mix 31 parts by weight of citrus peel residue, 31 parts of municipal sludge, 21 parts of straw with a moisture content of 4% and 2 parts of biological strains to form a mixed material, and then add it to the mixing Add quicklime to the homogenate at a rate of 7.6kg / ton to control the pH value of t...

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PUM

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Abstract

The invention provides a method for manufacturing organic fertilizer with orange peels and municipal sludge as main raw materials and organic fertilizer aiming at the problems that at present, the orange peels and the municipal sludge cause secondary pollution easily and the reclamation utilization rate is low. The organic fertilizer comprises, by weight, 30-35% of the orange peels, 30-35% of the municipal sludge, 15-20% of livestock manure, 16-23% of straw and 1-2% of biological strains. The organic fertilizer is obtained after ingredient preparing, initial fermenting, compost maturity, airing and insect killing are carried out. The organic fertilizer meets the organic fertilizer standard in our country. According to the method, the technology is simple, cost is low, hazard-free treatment and reclamation are effectively carried out on the orange peels and the municipal sludge, and the method has good environmental benefits and economic benefits.

Description

technical field [0001] The invention belongs to the field of organic fertilizer manufacturing and the technical field of organic solid waste resource recycling, and relates to an organic fertilizer with citrus peel residue and urban sludge as main raw materials and a preparation method thereof. Background technique [0002] In recent years, with the rapid development of my country's citrus industry, the orange juice processing industry has also risen rapidly in various places. The problem of citrus peel disposal has become increasingly prominent. It has the characteristics of seasonality, concentration, and perishability of output. How to rationally utilize a large amount of Waste residue is a common problem that the orange juice industry must face. The traditional way of dumping and landfilling not only pollutes the environment and seriously threatens public safety, but the waste residue itself is rich in various nutrients, which is a waste of resources. At present, a lot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00
Inventor 晏鹏陈猷鹏郭劲松申渝杨吉祥
Owner CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACADEMY OF SCI
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