Biochar coupled with multiple technologies for the removal of nitrogen and phosphorus from water: A review

Zhang, Yaping; Wang, Bing; Hassan, Masud; Zhang, Xueyang

doi:10.1016/j.jenvman.2024.122407

Journal of Environmental Management

2024

DOI: 10.1016/j.jenvman.2024.122407

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Biochar coupled with multiple technologies for the removal of nitrogen and phosphorus from water: A review

Yaping Zhang,

Bing Wang,

Masud Hassan

et al.

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2024

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Mitigation of Pharmaceutical Wastewater Toxicity in Anaerobic Reactors Using Metal-Modified Biochar

Tawfik,

Alhajeri,

Elsamadony

et al. 2024

ACS EST Eng.

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Anaerobic sequencing batch reactors (ASBRs) treating wastewater rich in ciprofloxacin (CIP) were supplemented with an Fe/Zn@biochar catalyst to improve their performance. ASBR4, with 100 mg Fe/Zn@biochar/g VS , showed substantial increased efficiencies in removing COD and CIP, reaching 86.9 ± 5.8 and 80.9 ± 8.6%, respectively, compared to no biochar addition (25.2% and 51.1% higher, respectively). Likewise, biogas yield augmented from 0.17 ± 0.06 to 0.34 ± 0.02 L/g COD removed owing to the boosted abundance of acetolactic methanogens, i.e., Methanosaeta and Methanosarcina, which increased from 0.4 and 1.6% in the control ASBR1 to 1.6 and 2.2% in ASBR4, respectively. Microbial enzymatic activities, including dehydrogenase and extracellular polymeric substances (EPSs), highly increased by 38% and >100%, respectively, aiding in biochar adsorption and microbial biodegradation synergy. Fe/Zn@biochar contributed to both CIP adsorption and biodegradation with percentages of 59.5 ± 4.9 and 34.7 ± 2.6%, respectively. The synergistic effect between the biotic and abiotic impacts of Fe/Zn@biochar reached 94.2 ± 7.2%, suggesting that the addition of Fe/Zn@biochar is a promising approach to enhance the CIP-remediation process.

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Mitigation of Pharmaceutical Wastewater Toxicity in Anaerobic Reactors Using Metal-Modified Biochar

Tawfik,

Alhajeri,

Elsamadony

et al. 2024

ACS EST Eng.

View full text Add to dashboard Cite

show abstract

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Biochar coupled with multiple technologies for the removal of nitrogen and phosphorus from water: A review

Cited by 1 publication

References 151 publications

Mitigation of Pharmaceutical Wastewater Toxicity in Anaerobic Reactors Using Metal-Modified Biochar

Mitigation of Pharmaceutical Wastewater Toxicity in Anaerobic Reactors Using Metal-Modified Biochar

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