Green chemistry treatment of seafood processing wastewater using pilot scale Anaerobic Membrane Bioreactor (AnMBR) in a realtime mode

Green Analytical Chemistry Pub Date : 2024-12-12 DOI:10.1016/j.greeac.2024.100189

Tran Thi Thai Hang , Vien Vinh Phat , Nguyen Anh Dao , Huynh Hieu Hanh , Nguyen Nhat Thoai , Pham Tien Hung , Dao Van Tri , Tran Le Luu , Tran Hung Thuan , Nguyen Van Tuyen , Chu Xuan Quang , Maria Francesca Vigile , Alfredo Cassano , Francesco Galiano , Alberto Figoli

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Abstract

The seafood processing industry's growing revenue heightens the urgency of treating wastewater rich in harmful pollutants. Addressing this challenge, Anaerobic Membrane Bioreactor (AnMBR) technology emerges as a green and sustainable solution by integrating activated sludge microorganisms and nano-pore membranes without using chemicals. This study hypothesizes that a pilot-scale AnMBR system can effectively treat seafood processing wastewater while achieving compliance with stringent discharge standards. A 0.5 m³/day pilot AnMBR was constructed and operated for two months in a seafood factory to evaluate pollutant removal and operational stability. The system achieved high pollutant removal efficiencies: 99.63 ± 0.14 % Total Suspended Solids (TSS), 61.04 ± 7.77 % Chemical Oxygen Demand (COD), 32.02 ± 17.42 % Total Diluted Solids (TDS), 13.30 ± 4.17 % Total Nitrogen (TN), and 11.12 ± 2.46 % Total Phosphorus (TP), with favorable sludge parameters (SVI: 20, MLSS: 11.5 g/L) and stable operation (TMP: 0.66 bar, flux: 18.2 L/m²·h). These results meet two national seafood wastewater discharge standards, highlighting AnMBR's potential for large-scale applications in the industry. These outcomes obtained at the pilot-scale level meet two national parameters discharge standard which applies specifically to seafood processing wastewater. It underscores the significant potential of AnMBR technology for widespread adoption in treating real-time wastewater generated by the seafood industry.

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中试厌氧膜生物反应器（AnMBR）实时绿色化学处理海产品加工废水

海产品加工业不断增长的收入增加了处理富含有害污染物的废水的紧迫性。为了应对这一挑战，厌氧膜生物反应器（AnMBR）技术作为一种绿色和可持续的解决方案出现了，它将活性污泥微生物和纳米孔膜结合在一起，而不使用化学物质。本研究假设一个中试规模的AnMBR系统可以有效处理海产品加工废水，同时达到严格的排放标准。一个0.5 m³/天的AnMBR试验装置在一家海鲜工厂建成并运行了两个月，以评估污染物去除和运行稳定性。该系统对污染物的去除率分别为：总悬浮固体（TSS） 99.63±0.14%、化学需氧量（COD） 61.04±7.77%、总稀释固体（TDS） 32.02±17.42%、总氮（TN） 13.30±4.17%、总磷（TP） 11.12±2.46%，污泥参数良好（SVI: 20, MLSS: 11.5 g/L），运行稳定（TMP: 0.66 bar，通量：18.2 L/m²·h）。这些结果符合两项国家海产品废水排放标准，突出了AnMBR在工业上大规模应用的潜力。这些结果在中试水平上达到了两个专门适用于海产品加工废水的国家参数排放标准。它强调了AnMBR技术在处理海产品行业产生的实时废水方面的巨大潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Green Analytical Chemistry

CiteScore

3.00

自引率

0.00%

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