Sorption of tetracycline on H3 PO4 modified biochar derived from rice straw and swine manure

Bioresource Technology
Tingwei ChenLuoyu Wei

Abstract

Currently, the information about the sorption of tetracycline (TC) on animal manure derived biochar was rare although plant residue derived biochar showed high sorption of TC). Therefore, this study explored the sorption of TC on swine manure derived biochar, and compared with rice straw derived biochar simultaneously. Also, H3PO4 was adopted to modify both types of biochar. The sorption kinetic and isotherm data showed H3PO4 modification enhanced the sorption of TC on both types of biochar (especially swine-manure-biochar), and indicated the chemisorptions including H-bonding and π-π electron donor acceptor interaction might be the primary mechanism. Moreover, the strengthened electrostatic attraction between TC and biochars might largely explain the enhanced sorption capacity of TC along with pH increasing from 5.0 to 9.0. At the same conditions, swine manure derived biochar demonstrated lower sorption capacity of TC than rice straw biochar, but still could be good material for the sorption of TC.

Citations

Dec 16, 2020·Journal of Environmental Management·Sugandha D PandeyAdo Jorio
Nov 7, 2020·Journal of Hazardous Materials·Yuxing FanXiaoming Zou
Mar 4, 2020·Journal of Agricultural and Food Chemistry·Tuo HuangJuying Li
Apr 13, 2021·Environmental Science and Pollution Research International·Bin LiShisuo Fan
Aug 23, 2021·Journal of Hazardous Materials·Basanta Kumar BiswalRajasekhar Balasubramanian
Aug 28, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Michele CastiglioniMaria Concetta Bruzzoniti
Oct 3, 2021·Environmental Science and Pollution Research International·Xia ZhaoBowen Li
Jan 16, 2022·Environmental Pollution·Mukesh Kumar Awasthi

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