Tetracycline Adsorption on Magnetic Sludge Biochar: Effects of pH, Humic Acid (HA), and Fulvic Acid (FA)

Natural organic matters (NOMs) are ubiquitous in the environment, but few systematic studies have examined the influence of NOMs on the sorption ability of magnetic sludge biochar. In this study, magnetic sludge biochar was synthesized, characterized, and used as a sorbent to remove tetracycline (TC...

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Main Authors: Yuanhui Wu, Meizhi Yang, Dan Long, Fanian Yang, Suxing Luo
Format: Article
Language:English
Published: MDPI AG 2022-06-01
Series:Micromachines
Subjects:
Online Access:https://www.mdpi.com/2072-666X/13/7/1057
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author Yuanhui Wu
Meizhi Yang
Dan Long
Fanian Yang
Suxing Luo
author_facet Yuanhui Wu
Meizhi Yang
Dan Long
Fanian Yang
Suxing Luo
author_sort Yuanhui Wu
collection DOAJ
description Natural organic matters (NOMs) are ubiquitous in the environment, but few systematic studies have examined the influence of NOMs on the sorption ability of magnetic sludge biochar. In this study, magnetic sludge biochar was synthesized, characterized, and used as a sorbent to remove tetracycline (TC) from aqueous solutions. The effects of pH, humic acid (HA), and fulvic acid (FA) on TC adsorption by magnetic sludge biochar were studied using batch experiments. Adding HA and FA can alter the adsorption behavior of TC, except for its pH dependency. The results of this study show that relatively low concentrations of dissolved HA (≤8 ppm) and FA (≤5 ppm) promote the adsorption capacity of TC, but higher concentrations compete against TC for sorption sites on the surface of magnetic sludge biochar. The results of this study promote a better understanding of the application of magnetic sludge biochar in real antibiotic wastewater.
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spelling doaj.art-32ae4e8d0207424badfce59711017df62023-12-03T11:57:44ZengMDPI AGMicromachines2072-666X2022-06-01137105710.3390/mi13071057Tetracycline Adsorption on Magnetic Sludge Biochar: Effects of pH, Humic Acid (HA), and Fulvic Acid (FA)Yuanhui Wu0Meizhi Yang1Dan Long2Fanian Yang3Suxing Luo4Department of Chemistry and Chemical Engineering, Zunyi Normal University, Zunyi 563006, ChinaOffice of Academic Research, Guizhou Open University, Guiyang 550023, ChinaDepartment of Chemistry and Chemical Engineering, Zunyi Normal University, Zunyi 563006, ChinaDepartment of Chemistry and Chemical Engineering, Zunyi Normal University, Zunyi 563006, ChinaDepartment of Chemistry and Chemical Engineering, Zunyi Normal University, Zunyi 563006, ChinaNatural organic matters (NOMs) are ubiquitous in the environment, but few systematic studies have examined the influence of NOMs on the sorption ability of magnetic sludge biochar. In this study, magnetic sludge biochar was synthesized, characterized, and used as a sorbent to remove tetracycline (TC) from aqueous solutions. The effects of pH, humic acid (HA), and fulvic acid (FA) on TC adsorption by magnetic sludge biochar were studied using batch experiments. Adding HA and FA can alter the adsorption behavior of TC, except for its pH dependency. The results of this study show that relatively low concentrations of dissolved HA (≤8 ppm) and FA (≤5 ppm) promote the adsorption capacity of TC, but higher concentrations compete against TC for sorption sites on the surface of magnetic sludge biochar. The results of this study promote a better understanding of the application of magnetic sludge biochar in real antibiotic wastewater.https://www.mdpi.com/2072-666X/13/7/1057adsorptionfulvic acidhumic acidmagnetic sludge biochartetracycline
spellingShingle Yuanhui Wu
Meizhi Yang
Dan Long
Fanian Yang
Suxing Luo
Tetracycline Adsorption on Magnetic Sludge Biochar: Effects of pH, Humic Acid (HA), and Fulvic Acid (FA)
Micromachines
adsorption
fulvic acid
humic acid
magnetic sludge biochar
tetracycline
title Tetracycline Adsorption on Magnetic Sludge Biochar: Effects of pH, Humic Acid (HA), and Fulvic Acid (FA)
title_full Tetracycline Adsorption on Magnetic Sludge Biochar: Effects of pH, Humic Acid (HA), and Fulvic Acid (FA)
title_fullStr Tetracycline Adsorption on Magnetic Sludge Biochar: Effects of pH, Humic Acid (HA), and Fulvic Acid (FA)
title_full_unstemmed Tetracycline Adsorption on Magnetic Sludge Biochar: Effects of pH, Humic Acid (HA), and Fulvic Acid (FA)
title_short Tetracycline Adsorption on Magnetic Sludge Biochar: Effects of pH, Humic Acid (HA), and Fulvic Acid (FA)
title_sort tetracycline adsorption on magnetic sludge biochar effects of ph humic acid ha and fulvic acid fa
topic adsorption
fulvic acid
humic acid
magnetic sludge biochar
tetracycline
url https://www.mdpi.com/2072-666X/13/7/1057
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AT danlong tetracyclineadsorptiononmagneticsludgebiochareffectsofphhumicacidhaandfulvicacidfa
AT fanianyang tetracyclineadsorptiononmagneticsludgebiochareffectsofphhumicacidhaandfulvicacidfa
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