Degradation of Tetracycline Hydrochloride by Activated Persulfate from Corn Stalk Biochar
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Keywords

Corn stalk
Biochar
Permonosulfate
Tetracycline hydrochloride

DOI

10.26689/ssr.v7i4.10438

Submitted : 2025-04-09
Accepted : 2025-04-24
Published : 2025-05-09

Abstract

Corn straw biochar (YM) was prepared at 300℃, 450℃, and 600℃ under oxygen-limited pyrolysis temperature (Tr). The degradation efficiency and influencing factors of tetracycline hydrochloride (TCH) by YM-activated peroxonitrosulfate (PMS) were investigated based on the characterization results. The results showed that the increase of Tr was beneficial to increase the specific surface area (BET), total pore volume (PV), and surface oxygen-containing functional groups of biochar, and more active sites were obtained. The maximum degradation efficiency of the YM600/PMS/TCH system was 60.20%. The degradation efficiency of YM600/PMS/TCH decreased with the increase of TCH mass concentration (CT) and increased with the increase of carbon dosage (CB) and PMS concentration (CP).

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