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What drives Tetrabromobisphenol A degradation in biotreatment systems?
Reviews in Environmental Science and Bio/Technology ( IF 8.6 ) Pub Date : 2021-06-11 , DOI: 10.1007/s11157-021-09579-9
Williane Vieira Macêdo , Felipe Eng Sánchez , Marcelo Zaiat

The growing concern on the fate of toxic and persistent micropollutants in aquatic ecosystems led to the need to comprehend how these substances can be converted into less harmful chemicals. Tetrabromobisphenol A (TBBPA) is the most used brominated flame retardant (BFR) worldwide and is often detected in water bodies and wastewaters. In the past 20 years, the degradation of TBBPA has been investigated in bioreactors with different microbial communities and under a variety of operational parameters. Comprehending TBBPA biodegradation contributes to a better understanding of other flame retardants environmental fate and the optimization of wastewater treatment biotechnologies. Even though many process-optimization procedures and investigations on mixed and isolated strain functions have been conducted, understanding metabolic processes on this micropollutant breakdown remains uncovered, especially in environmental settings. Different findings on how to optimize TBBPA bioconversion and the factors influencing cometabolic and metabolic reactions may mislead further studies or suggest arguable directions. For this reason, this review summarizes and critically discusses how the main environmental and operational parameters affect TBBPA biodegradation, the main degradation pathways and subproducts, and the microorganisms and enzymatic activities involved in this process, raising some questions that should be addressed in more in-depth studies.



中文翻译:

是什么推动了生物处理系统中四溴双酚 A 的降解?

人们越来越关注水生生态系统中有毒和持久性微污染物的归宿,因此需要了解如何将这些物质转化为危害较小的化学品。四溴双酚 A (TBBPA) 是全球使用最多的溴化阻燃剂 (BFR),经常在水体和废水中检测到。在过去的 20 年中,已经在具有不同微生物群落和各种操作参数的生物反应器中研究了 TBBPA 的降解。理解 TBBPA 生物降解有助于更好地了解其他阻燃剂的环境归宿和优化废水处理生物技术。尽管已经对混合和孤立应变函数进行了许多过程优化程序和研究,了解这种微污染物分解的代谢过程仍然没有发现,尤其是在环境环境中。关于如何优化 TBBPA 生物转化以及影响共代谢和代谢反应的因素的不同发现可能会误导进一步的研究或提出有争议的方向。为此,本综述总结并批判性地讨论了主要环境和操作参数如何影响 TBBPA 生物降解、主要降解途径和副产物,以及该过程中涉及的微生物和酶活性,提出了一些应在更多方面解决的问题。深入研究。关于如何优化 TBBPA 生物转化以及影响共代谢和代谢反应的因素的不同发现可能会误导进一步的研究或提出有争议的方向。为此,本综述总结并批判性地讨论了主要环境和操作参数如何影响 TBBPA 生物降解、主要降解途径和副产物,以及该过程中涉及的微生物和酶活性,提出了一些应在更多方面解决的问题。深入研究。关于如何优化 TBBPA 生物转化以及影响共代谢和代谢反应的因素的不同发现可能会误导进一步的研究或提出有争议的方向。为此,本综述总结并批判性地讨论了主要环境和操作参数如何影响 TBBPA 生物降解、主要降解途径和副产物,以及该过程中涉及的微生物和酶活性,提出了一些应在更多方面解决的问题。深入研究。

更新日期:2021-06-11
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