抗生素菌渣热解生物炭的理化性能与燃烧特性研究

doi:10.19286/j.cnki.cci.2026.02.032

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Abstract

The production of biochar derived from erythromycin fermentation residues through pyrolysis carbonization was studied. The physicochemical properties and combustion characteristics of biochar were systematically investigated. The pyrolysis process effectively enhanced carbon fixation, increasing the fixed carbon content from 5.4% in the original residues to 25.0%. The biochar demonstrated optimal combustion properties, as evidenced by low atomic ratios of H/C (0.05) and O/C (0.11). Fourier-transform infrared (FT-IR) spectroscopic analysis indicated substantial decomposition of oxygen-containing groups and aliphatic structures during pyrolysis. Scanning electron microscopy coupled with energy-
dispersive X-ray spectroscopy (SEM-EDX) demonstrated that the biochar surface consisted of numerous irregular pores and channels, with C and N elements forming the carbon matrix while P, S, Na, and Mg were uniformly distributed, along with localized enrichment of Al and Si-containing oxide fragments. Thermogravimetric-differential thermal analysis (TG-DTA) identified four distinct combustion stages: moisture evaporation, volatile combustion, fixed carbon combustion, and burnout. The biochar displayed excellent ignition performance and stable combustion characteristics, demonstrating potential as a fossil fuel alternative. Importantly, no antibiotic residues were detected in the biochar products. A promising method for the safe reutilization of antibiotic fermentation residues were provided.

Key words： erythromycin mycelial residue biochar pyrolysis combustion property waste treatment

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	Articles by authors
	Chu Libing1
	Dierxiati Aishajiang2
	Yin Wenjuan2
	Chen Qijun2

Cite this article:

Chu Libing1,Dierxiati Aishajiang2,Yin Wenjuan2等. Physicochemical properties and combustion characteristics of antibiotic fermentation residues-derived biochar[J]. CCI, 2026, 49(2): 152-156.

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http://www.mtyhg.com.cn/EN/10.19286/j.cnki.cci.2026.02.032 OR http://www.mtyhg.com.cn/EN/Y2026/V49/I2/152

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