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A kind of preparation method of using traditional Chinese medicine dregs to produce biogas

A technology of traditional Chinese medicine residue and biogas, which is applied in the direction of waste fuel, fermentation, etc., can solve the problems of surrounding environmental pollution, achieve significant environmental benefits, facilitate the use and management of equipment, and reduce the amount of combustion

Active Publication Date: 2015-11-25
甘肃富民生态农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a preparation method for producing biogas by using traditional Chinese medicine dregs, which solves the disadvantages that the dregs of traditional Chinese medicine are mainly piled up for disposal, which easily causes serious pollution to the surrounding environment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] 1. Crush the residue of traditional Chinese medicine to 40 mesh, add methanogens to 10% of the total amount of residue of traditional Chinese medicine, adjust the carbon-nitrogen ratio to 25:1, process for 10 days, and the temperature is 53°C;

[0014] 2. Completely mixed anaerobic digester (CSTR) process: adjust the TS concentration of traditional Chinese medicine residue within the range of 8%. After entering the CSTR, the CSTR adopts mechanical stirring with a frequency of 50HZ, an amplitude of 15r / min, a temperature of 60°C, and continuous reaction throughout the day. , adjust the pH to 6.5, generate crude biogas under sealed conditions, and the crude biogas is drawn from the fermenter;

[0015] 3. The fermented biogas is discharged from the fermentation tank for solid-liquid separation, and the separated biogas is recovered; the crude biogas is introduced into the purification equipment for purification to prepare high-quality or purified biogas; H in the biogas 2 ...

Embodiment 2

[0017] 1. Crush the residue of traditional Chinese medicine to 40 mesh, add methanogens to 10% of the total amount of residue of traditional Chinese medicine, adjust the carbon-nitrogen ratio to 25:1, and process for 10 days at a temperature of 55°C;

[0018] 2. Completely mixed anaerobic digester (CSTR) process: adjust the TS concentration of traditional Chinese medicine residue within the range of 13%, after entering the CSTR, the CSTR adopts mechanical agitation, the frequency is 50HZ, the amplitude is 15r / min, the temperature is 60°C, and the reaction is continuous throughout the day , adjust the pH to 7.8, produce crude biogas under sealed conditions, and the crude biogas is drawn from the fermenter;

[0019] 3. The fermented biogas is discharged from the fermentation tank for solid-liquid separation, and the separated biogas is recovered; the crude biogas is introduced into the purification equipment for purification to prepare high-quality or purified biogas; H in the bi...

Embodiment 3

[0021] 1. Crush the residue of traditional Chinese medicine to 40 meshes, add methane bacteria to 10% of the total amount of residue of traditional Chinese medicine, adjust the carbon-nitrogen ratio to 22:1, and process for 10 days at a temperature of 54°C;

[0022] 2. Completely mixed anaerobic digester (CSTR) process: adjust the TS concentration of traditional Chinese medicine residue within 10%, after entering the CSTR, the CSTR adopts mechanical agitation, the frequency is 50HZ, the amplitude is 15r / min, the temperature is 60°C, and the reaction is continuous throughout the day , adjust the pH to 7.0, generate crude biogas under sealed conditions, and the crude biogas is drawn from the fermenter;

[0023] 3. The fermented biogas is discharged from the fermentation tank for solid-liquid separation, and the separated biogas is recovered; the crude biogas is introduced into the purification equipment for purification to prepare high-quality or purified biogas; H in the biogas ...

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Abstract

The invention discloses a method of producing biogas through Chinese medicine residues, relating to application of Chinese medicine residues and belonging to the field of utilization of biomass energy sources. The method is characterized by comprising the following steps of: crushing the Chinese medicine residues to 40 meshes, filling methane bacteria accounting for 10% of total amount of the Chinese medicine residues, adjusting the carbon-nitrogen ratio to be (20-25):1, and treating at 53-55 DEG C for 10 days; and performing an anaerobic digestion reaction to prepare biogas. The method has the beneficial effects that biogas preparation and combustion equipment is simple, the equipment is conveniently used and managed, rely of urban residents on fossil energy and emission of greenhouse gases are reduced, and the biogas contains no such poisonous gases as CO, thereby being more beneficial to human body health and excellent in environmental effect; the straw combustion quantity is reduced to create conditions for straw application and realizing sustainable utilization of rural lands; and the biogas is used for replacing the straws to greatly improve the living environment of farmers and improving the living standard of the farmers, thereby having excellent social benefit and ecological benefit.

Description

technical field [0001] The invention relates to the utilization of traditional Chinese medicine waste residue, which belongs to the field of biomass energy utilization, in particular to a preparation method for producing biogas by utilizing traditional Chinese medicine residue. Background technique [0002] With the rapid development of my country's traditional Chinese medicine industry, the amount of traditional Chinese medicine residues in Dazhong pharmaceutical factories all over the country is increasing day by day. The discharge and treatment of traditional Chinese medicine residues after extraction is a thorny problem in the extraction of traditional Chinese medicine. Every Chinese medicine production enterprise discharges a large amount of waste every day. Medicine dregs. If these medicine dregs are simply piled up outside, they will accumulate over time and pile up like a mountain. Gradually, they will ferment and become moldy and stink, polluting the environment and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12P5/02
CPCY02E50/343Y02E50/30
Inventor 卢新社侯秉理
Owner 甘肃富民生态农业科技有限公司
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