Insights into the removal of antibiotics from livestock and aquaculture wastewater by algae-bacteria symbiosis systems

Xiao, Zhihua; Meng, Hao; Li, Shengnan; Ning, Weihao; Song, Youliang; Han, Jinglong; Chang, Jo-Shu; Wang, Yue; Ho, Shih-Hsin

doi:10.1016/j.envres.2024.119326

Environmental Research

2024

DOI: 10.1016/j.envres.2024.119326

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Insights into the removal of antibiotics from livestock and aquaculture wastewater by algae-bacteria symbiosis systems

Zhihua Xiao,

Hao Meng,

Shengnan Li

et al.

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Cited by 5 publications

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Enhanced diclofenac adsorption and degradation using iron‐loaded modified spent bleaching earth carbon in the presence of clofibric acid: mechanistic insights and toxicity assessment

Zhang,

Song,

Zhang

et al. 2024

J of Chemical Tech & Biotech

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BACKGROUNDThe presence of pharmaceutical active substances such as diclofenac (DCF) and clofibric acid (CA) in aquatic environments poses significant ecological threats. Existing treatments have not fully explored the impact of CA on DCF removal efficiency. This research introduces nZVI/CTAB‐SBE@C, a novel adsorbent developed from industrial spent bleaching earth (SBE), modified with cetyltrimethylammonium bromide (CTAB) and nano zero‐valent iron (nZVI), enhancing both adsorption and degradation of DCF and CA.RESULTSThis study investigated the impact of CA on the removal capabilities of nZVI/CTAB‐SBE@C for DCF in a coexisting system. Systematic examinations were conducted on the effects of various parameters, including reaction time, dosage, temperature, actual wastewater, humic acid content and coexisting ions. Results indicated that the presence of CA significantly enhanced the DCF removal efficiency, achieving an optimal rate of 87.3% under conditions of reaction time 2 h, adsorbent dosage 5 g L−1 and temperature 25 °C. Moreover, interactions between Al3+ ions and the adsorbent matrix notably improved removal efficiencies for both DCF and CA. Analysis revealed that CA facilitated new degradation pathways for DCF, including hydroxylation and decarboxylation reactions. Additionally, the presence of CA reduced the toxicity of degradation intermediates, enhancing environmental safety compared to systems containing only DCF.CONCLUSIONThis study effectively transforms industrial waste into the efficient nZVI/CTAB‐SBE@C adsorbent. The presence of CA not only boosts DCF removal efficiency but also promotes its safer degradation, thereby reducing the ecological impact of contaminants. © 2024 Society of Chemical Industry (SCI).

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Enhanced diclofenac adsorption and degradation using iron‐loaded modified spent bleaching earth carbon in the presence of clofibric acid: mechanistic insights and toxicity assessment

Zhang,

Song,

Zhang

et al. 2024

J of Chemical Tech & Biotech

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Recent advances in recirculating aquaculture systems and role of microalgae to close system loop

Ende,

Henjes,

Spiller

et al. 2024

Bioresource Technology

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Performance, mechanism regulation and resource recycling of bacteria-algae symbiosis system for wastewater treatment: A review

Liu,

Kong,

Guo

et al. 2024

Environmental Pollution

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Insights into the removal of antibiotics from livestock and aquaculture wastewater by algae-bacteria symbiosis systems

Cited by 5 publications

References 93 publications

Enhanced diclofenac adsorption and degradation using iron‐loaded modified spent bleaching earth carbon in the presence of clofibric acid: mechanistic insights and toxicity assessment

Enhanced diclofenac adsorption and degradation using iron‐loaded modified spent bleaching earth carbon in the presence of clofibric acid: mechanistic insights and toxicity assessment

Recent advances in recirculating aquaculture systems and role of microalgae to close system loop

Performance, mechanism regulation and resource recycling of bacteria-algae symbiosis system for wastewater treatment: A review

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