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Method for treating landscaping solid organic waste by biomass carbonization and two-stage fermentation combined process

A technology of organic waste and biochar, which is applied in the direction of microbial treatment, preparation of liquid hydrocarbon mixture, and treatment of hydrocarbon oil, etc. It can solve the problems of extensive selection of fermentation parameters, high energy consumption for crushing, and low humification rate. , to achieve full utilization of resources, increase fermentation efficiency, and shorten fermentation time

Inactive Publication Date: 2019-04-19
BEIJING GOLDENWAY BIO TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] For this reason, the embodiment of the present invention provides a method for treating landscaping solid organic wastes using a combination process of biomass carbonization + two-stage fermentation to solve the problems caused by the high energy consumption of landscaping wastes in the prior art. The problem of high processing cost, and the long fermentation period due to the high lignin content in landscaping waste, the fermentation process requires external heating, and the mineralization rate is high during the fermentation process, and the effective nutrient content is low; in addition , due to the relatively extensive selection of fermentation parameters and strains, the humification rate during the fermentation process is low, the content of humic acid is low, and most of the organic matter is macromolecular carbon. After the product is applied to the soil, it cannot be directly used by soil microorganisms, thus affecting soil biological fertility. The problem that the improvement effect is not good

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] This embodiment is a method for treating landscaping solid organic waste using a combined process of biomass carbonization + two-stage fermentation. The method includes the following steps:

[0040] (a) Separating branches, trunks and rhizomes from landscaping solid organic waste to obtain mixed materials and remaining materials of branches, trunks and rhizomes;

[0041] (b) Break the mixed material into a mixed material with a length not greater than 13 cm and a diameter not greater than 4 cm. Then, put the crushed mixed material in a carbonization machine and crack it at 550°C for 8 minutes to separate and obtain wood tar, Condensed wood vinegar, biomass charcoal and combustible gas, then use the combustible gas as a heat source for carbonization, and collect high-temperature tail gas;

[0042] (c) Crushing the remaining materials until the particle size is not greater than 0.8cm, then, 45 parts of the remaining materials after crushing, 15 parts of chicken manure, 16...

Embodiment 2

[0048] This embodiment is a method for treating landscaping solid organic waste using a combined process of biomass carbonization + two-stage fermentation. The method includes the following steps:

[0049] (a) Separating branches, trunks and rhizomes from landscaping solid organic waste to obtain mixed materials and remaining materials of branches, trunks and rhizomes;

[0050] (b) Break the mixed material into a mixed material with a length not greater than 17cm and a diameter not greater than 6cm. Then, put the crushed mixed material into a carbonization machine, and crack it at 350°C for 12 minutes to separate and obtain wood tar, Condensed wood vinegar, biomass charcoal and combustible gas, then use the combustible gas as a heat source for carbonization, and collect high-temperature tail gas;

[0051] (c) Crushing the remaining materials until the particle size is not greater than 1.2cm, then, 40 parts of the remaining materials after crushing, 20 parts of chicken manure, ...

Embodiment 3

[0058] This embodiment is a method for treating landscaping solid organic waste using a combined process of biomass carbonization + two-stage fermentation. The method includes the following steps:

[0059] (a) Separating branches, trunks and rhizomes from landscaping solid organic waste to obtain mixed materials and remaining materials of branches, trunks and rhizomes;

[0060] (b) Break the mixed material into a mixed material with a length not greater than 15 cm and a diameter not greater than 5 cm. Then, put the crushed mixed material in a carbonization machine, and crack it at 450°C for 10 minutes to obtain wood tar, Condensed wood vinegar, biomass charcoal and combustible gas, then use the combustible gas as a heat source for carbonization, and collect high-temperature tail gas;

[0061] (c) crush the remaining materials until the particle size is not greater than 1cm, then mix 43 parts of the remaining materials after crushing, 18 parts of chicken manure, 17 parts of wat...

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Abstract

The embodiments of the invention disclose a method for treating landscaping solid organic waste by biomass carbonization and a two-stage fermentation combined process. The method includes the following steps: separating branches, trunks and roots from landscaping solid organic waste to obtain a mixed material of the branches, trunks and roots and remaining materials; crushing the mixed material and carbonizing the mixed material to obtain wood tar, pyroligneous liquor containing condensed water, biomass charcoal and combustible gas; crushing the remaining materials and evenly mixing the remaining materials with livestock manure, water, the wood tar and the pyroligneous liquor containing condensed water to obtain a fermentation material; and carrying out the two-stage fermentation combinedprocess treatment on the fermentation material to obtain basic organic fertilizer. The method firstly carries out classification and then carries out treatment by combination of multiple processes, can make good use of complementary advantages of the multiple processes to prepare a variety of resource utilization products, realizes the balance of energy supply and demand, effectively shortens fermentation time, and improves fermentation efficiency and final product quality.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of landscaping solid organic waste treatment, and in particular to a method for treating landscaping solid organic waste using a combination process of biomass carbonization and two-stage fermentation. Background technique [0002] In recent years, with the rapid development of urban landscaping, the output of landscaping waste has soared year by year, but most of the waste has not been transformed and utilized as a resource. Landscaping waste is mainly composed of organic matter, which is an important biomass resource. [0003] At present, the main treatment methods for the effective utilization of existing landscaping solid organic waste include the use of new strains and traditional composting for fermentation; static aerobic integrated box composting fermentation equipment for fermentation; and thermal hydrolysis heating equipment for fermentation. The output of landscaping sol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F15/00C01B32/05C10B53/02C10C5/00C10G1/00C05G1/00
CPCC05D9/00C05F3/00C10B53/02C10C5/00C10G1/00C10G2300/1011C01B32/05C05F11/00C05F11/08C05F17/20Y02E50/10
Inventor 任忠秀于家伊李松松
Owner BEIJING GOLDENWAY BIO TECH
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