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Comprehensive treatment method for resource utilization of antibiotic mushroom dregs

A technology of antibiotic residues and disposal methods, which is applied in chemical instruments and methods, combustion methods, carbon compounds, etc., can solve the problems of difficult disposal of bacteria residues and low utilization rate of resources, and achieve comprehensive utilization, efficiency assurance, strong adaptive effect

Pending Publication Date: 2022-03-22
EAST CHINA UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of this, the purpose of the present invention is to provide a comprehensive disposal method for resource utilization of antibiotic residues, which is used to solve the problems of difficult disposal of bacterial residues and low utilization rate of resources

Method used

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  • Comprehensive treatment method for resource utilization of antibiotic mushroom dregs

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] (1) Get 1kg of penicillin slag to filter, crush, and place it in a blast drying oven at 105°C for 24 hours, grind the dried penicillin slag, and pass through a 40-mesh sieve to obtain the slag powder;

[0030] (2) Put the powder of bacteria residue into the pyrolysis reactor, N 2 Pass it into the pyrolysis reactor at a flow rate of 400mL / min, raise the temperature to 600°C at a rate of 10°C / min, and keep it for 60 minutes to obtain pyrolysis gas and pyrolysis carbon; the main component of the pyrolysis gas is CO 2 (12.53%), CO (3.32%), CH 4 (1.19%), H 2 (4.01%) and C 2+ Gas (0.94%) (C 2+ gas including C 2 h 4 、C 2 h 6 and C 3 h 6 Wait, C 2+ are collectively referred to);

[0031] (3) Pyrolytic carbon and KOH are mixed according to a mass ratio of 1:1, ground and sieved through a 40-mesh sieve to obtain a mixed powder, and put into an activation reactor;

[0032] (4) After the pyrolysis gas enters the heat exchange boiler, the boiler temperature is 850°C. Adj...

Embodiment 2

[0035] Same as Example 1, the difference is that the antibiotic residue is lincomycin residue.

[0036] (1) Take 1 kg of lincomycin slag to filter, crush, and place it in a 105° C. blast drying oven for 24 hours, grind the dried penicillin slag, pass through a 40-mesh sieve, and obtain the slag powder;

[0037] (2) Put the powder of bacteria residue into the pyrolysis reactor, N 2 Pass it into the pyrolysis reactor at a flow rate of 400mL / min, raise the temperature to 600°C at a rate of 10°C / min, and keep it for 60 minutes to obtain pyrolysis gas and pyrolysis carbon; the main component of the pyrolysis gas is CO 2 (13.15%), CO (3.18%), CH 4 (1.64%), H 2 (4.27%) and C2+ Gas (1.04%);

[0038] (3) Pyrolytic carbon and KOH are mixed according to a mass ratio of 1:1, ground and sieved through a 40-mesh sieve to obtain a mixed powder, and put into an activation reactor;

[0039] (4) After the pyrolysis gas enters the heat exchange boiler, the boiler temperature is 850°C. Adjust...

Embodiment 3

[0042] (1) Get 1kg of gentamicin slag to filter, crush, and place it in a blast oven at 105°C for 24 hours, grind the dried penicillin slag, and pass through a 40-mesh sieve to obtain the slag powder;

[0043] (2) Put the powder of bacteria residue into the pyrolysis reactor, N 2 Pass it into the pyrolysis reactor at a flow rate of 400mL / min, raise the temperature to 600°C at a rate of 10°C / min, and keep it for 60 minutes to obtain pyrolysis gas and pyrolysis carbon; the main component of the pyrolysis gas is CO 2 (14.65%), CO (4.13%), CH 4 (2.44%), H 2 (3.64%) and C 2+ Gas (1.08%);

[0044] (3) Pyrolytic carbon and KOH are mixed according to a mass ratio of 1:1, ground and sieved through a 40-mesh sieve to obtain a mixed powder, and put into an activation reactor;

[0045] (4) After the pyrolysis gas enters the heat exchange boiler, the boiler temperature is 850°C. Adjust the heat exchanger in the heat exchange boiler, and monitor the outlet flue gas temperature, and cont...

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Abstract

The invention discloses a comprehensive treatment method for resource utilization of antibiotic mushroom dregs, and belongs to the technical field of chemical conversion of organic solid waste heat. Putting the pretreated antibiotic mushroom dregs into a pyrolysis reactor for pyrolysis to obtain pyrolysis gas and pyrolysis carbon; pyrolytic carbon and an activating agent are mixed and put into an activation reactor, pyrolytic gas enters a heat exchange boiler for combustion and heat exchange, flue gas discharged after heat exchange enters the activation reactor and reacts, and finally activated carbon is obtained. By means of the method, the efficiency of antibiotic mushroom dreg pyrolysis is guaranteed, comprehensive utilization of products in the antibiotic mushroom dreg pyrolysis process is improved, and high-quality activated carbon products can be obtained.

Description

technical field [0001] The invention relates to the technical field of thermal and chemical conversion of organic solid waste, in particular to a comprehensive disposal method for resource utilization of antibiotic residues. Background technique [0002] Antibiotic residues are wastes produced by microbial fermentation in the pharmaceutical industry. It is estimated that about 8-10 tons of bacteria residues are produced for every ton of antibiotics produced. The main components of fungus residue are mycelia of antibiotic-producing bacteria, unused medium, metabolites produced during fermentation, degradation products of medium and a small amount of antibiotics, etc. Features. If it is not handled properly, it will cause serious environmental problems, such as water pollution, peculiar smell, especially the generation of resistance genes, etc. [0003] Since 2008, my country has included AMR (antibiotics) in China's National Hazardous Waste Catalog (HW02-276-001-02). In the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B32/348C01B32/324C01B32/39F23G5/027
CPCC01B32/348C01B32/324C01B32/39F23G5/027Y02P20/129
Inventor 吴诗勇魏潇吴幼青黄胜
Owner EAST CHINA UNIV OF SCI & TECH
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