Sulfamethoxazole Leaching from Manure-Amended Sandy Loam Soil as Affected by the Application of Jujube Wood Waste-Derived Biochar

Autor:	Mohammad I. Al-Wabel, Abdullah S. Al-Farraj, Mutair A. Akanji, Muhammad Imran Rafique, Adel R.A. Usman, Munir Ahmad
Jazyk:	angličtina
Rok vydání:	2021
Předmět:	Wood waste retention Agricultural Irrigation Sulfamethoxazole 0211 other engineering and technologies Pharmaceutical Science Electron donor 02 engineering and technology 010501 environmental sciences 01 natural sciences Article release dynamic Analytical Chemistry vertical translocation chemistry.chemical_compound QD241-441 Sand Drug Discovery Biochar medicine Soil Pollutants Physical and Theoretical Chemistry Leaching (agriculture) 0105 earth and related environmental sciences 021110 strategic defence & security studies Groundwater contamination Chemistry Organic Chemistry groundwater contamination Wood Manure Chemistry (miscellaneous) Charcoal Environmental chemistry Loam leaching kinetics Molecular Medicine medicine.drug
Zdroj:	Molecules Volume 26 Issue 15 Molecules, Vol 26, Iss 4674, p 4674 (2021)
ISSN:	1420-3049
DOI:	10.3390/molecules26154674
Popis:	Vertical translocation/leaching of sulfamethoxazole (SMZ) through manure-amended sandy loam soil and significance of biochar application on SMZ retention were investigated in this study. Soil was filled in columns and amended with manure spiked with 13.75 mg kg−1 (S1), 27.5 mg kg−1 (S2), and 55 mg kg−1 (S3) of SMZ. Jujube (Ziziphus jujube L.) wood waste was transformed into biochar and mixed with S3 at 0.5% (S3-B1), 1.0% (S3-B2), and 2.0% (S3-B3) ratio. Cumulative SMZ leaching was lowest at pH 3.0, which increased by 16% and 34% at pH 5.0 and 7.0, respectively. A quicker release and translocation of SMZ from manure occurred during the initial 40 h, which gradually reduced over time. Intraparticle diffusion and Elovich kinetic models were the best fitted to leaching data. S3 exhibited the highest release and vertical translocation of SMZ, followed by S2, and S1 however, SMZ leaching was reduced by more than twofold in S3-B3. At pH 3.0, 2.0% biochar resulted in 99% reduction in SMZ leaching within 72 h, while 1.0% and 0.5% biochar applications reduced SMZ leaching to 99% within 120 and 144 h, respectively, in S3. The higher SMZ retention onto biochar could be due to electrostatic interactions, H-bonding, and π-π electron donor acceptor interactions.
Databáze:	OpenAIRE
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