Efficient removal of nitrate, manganese, and tetracycline in a novel loofah immobilized bioreactor: Performance, microbial diversity, and functional genes

Bai, Yihan; Su, Junfeng; Ali, Amjad; Qin, Wen; Chang, Qiao; Gao, Zhihong; Wang, Yue

doi:10.1016/j.biortech.2021.126228

Cited by 49 publications

(2 citation statements)

References 49 publications

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“…The World Health Organization’s (WHO) recommended amount of Mn in drinking water is 0.4 mg/L [ 4 ]. And in China, the concentration of Mn should not exceed 0.1 mg/L, which was stipulated by the national sanitary standard for drinking water [ 5 , 6 ]. Therefore, the prevention and control of manganese pollution in water bodies has always been the research focus of environmental workers.…”

Section: Introductionmentioning

confidence: 99%

Enhancing the Mn-Removal Efficiency of Acid-Mine Bacterial Consortium: Performance Optimization and Mechanism Study

Hou,

Zhang,

et al. 2023

Microorganisms

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In this study, an acclimated manganese-oxidizing bacteria (MnOB) consortium, QBS-1, was enriched in an acid mine area; then, it was used to eliminate Mn(Ⅱ) in different types of wastewater. QBS-1 presented excellent Mn removal performance between pH 4.0 and 8.0, and the best Mn-removal efficiency was up to 99.86% after response surface methodology optimization. Unlike other MnOB consortia, the core bacteria of QBS-1 were Stenotrophomonas and Achromobacter, which might play vital roles in Mn removal. Besides that, adsorption, co-precipitation and electrostatic binding by biological manganese oxides could further promote Mn elimination. Finally, the performance of the Mn biofilter demonstrated that QBS-1 was an excellent inoculant, which indicates good potential for removing Mn contamination steadily and efficiently.

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Section: Introductionmentioning

confidence: 99%

Enhancing the Mn-Removal Efficiency of Acid-Mine Bacterial Consortium: Performance Optimization and Mechanism Study

Hou,

Zhang,

et al. 2023

Microorganisms

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“…Loofah, an agricultural waste, is featured by its multi-layered fibrous network structure, making it an ideal microbial carrier. Meanwhile, loofah will slowly release the carbon source during the reaction process, thereby saving costs [ 19 , 20 , 21 ].…”

Section: Introductionmentioning

confidence: 99%

A Magic Filter Filled with Waste Plastic Shavings, Loofah, and Iron Shavings for Wastewater Treatment

Pan

Sheng

Qiu³

et al. 2022

Polymers

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Integrated sewage treatment equipment has been widely used, but the commonly used fillers for wastewater treatment are not suitable in rural areas due to their price and performance issues. In this study, an integrated magic filter filled with waste fillers was proposed and established for wastewater treatment. The filter was composed of functional modules and an equipment room, and the fillers in each module can be taken out separately and changed arbitrarily according to the needs of specific treatment conditions. The fillers used include waste plastic shavings, loofah, and waste iron shavings, generated during the processing of plastic, crop, and steel. At the same time, a 91 d experiment was performed for real wastewater treatment, and a satisfactory removal performance was obtained, with average removal rates of COD, TP, NH4+-N, TN, and SS being 83.3%, 89.6%, 93.8%, 74.7%, and 94.0%, respectively. Through microscope observation, a large number of microorganisms were attached to the surface of the fillers, which was conducive to the simultaneous removal of nitrogen and phosphorus. The micro-electrolysis of waste iron shavings can produce Fe2+ and Fe3+, which would combine with PO43− to form Fe3(PO4)2 and FePO4 precipitates, enhancing the removal of phosphorus. In addition, the filled fillers have an excellent physical filtering effect, which can reduce the effluent SS. The magic filter achieves both the recycling of wastes and the treatment of wastewater.

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Microbially induced calcium precipitation based anaerobic biosynthetic crystals for removal of F− and Ca2+ in groundwater: Performance optimization, kinetics, and reactor operation

Zhai

Ali

et al. 2022

Korean J. Chem. Eng.

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Efficient removal of nitrate, manganese, and tetracycline in a novel loofah immobilized bioreactor: Performance, microbial diversity, and functional genes

Cited by 49 publications

References 49 publications

Enhancing the Mn-Removal Efficiency of Acid-Mine Bacterial Consortium: Performance Optimization and Mechanism Study

Enhancing the Mn-Removal Efficiency of Acid-Mine Bacterial Consortium: Performance Optimization and Mechanism Study

A Magic Filter Filled with Waste Plastic Shavings, Loofah, and Iron Shavings for Wastewater Treatment

Microbially induced calcium precipitation based anaerobic biosynthetic crystals for removal of F− and Ca2+ in groundwater: Performance optimization, kinetics, and reactor operation

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