SAMRC Microbial Water Quality Monitoring Centre, University of Fort Hare, Private Bag X1314, Alice 5700, South Africa.
Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and Microbiology, University of Fort Hare, Private Bag X1314, Alice 5700, South Africa.
Molecules. 2019 May 30;24(11):2064. doi: 10.3390/molecules24112064.
Natural water sources are very often contaminated by municipal wastewater discharges which contain either of xenobiotic pollutants and their sometimes more toxic degradation products, or both, which frustrates the universal millenium development goal of provision of the relatively scarce pristine freshwater to water-scarce and -stressed communities, in order to augment their socioeconomic well-being. Seeing that both regulatory measures, as regards the discharge limits of wastewater, and the query for efficient treatment methods remain unanswered, partially, the prospects of enzymatic treatment of wastewater is advisable. Therefore, a reconsideration was assigned to the possible capacity of oxidative enzymes and the respective challenges encountered during their applications in wastewater treatment, and ultimately, the prospects of laccase, a polyphenol oxidase that oxidizes aromatic and inorganic substrates with electron-donating groups in treatment aromatic contaminants of wastewater, in real wastewater situations, since it is assumed to be a vehicle for a greener community. Furthermore, the importance of laccase-driven catalysis toward maintaining mass-energy balance, hence minimizing environmental waste, was comprehensibly elucidated, as well the strategic positioning of laccase in a model wastewater treatment facility for effective treatment of wastewater contaminants.
天然水源经常受到城市废水排放的污染，这些废水中含有外来污染物及其有时毒性更大的降解产物，或者两者兼有，这阻碍了为水资源匮乏和紧张的社区提供相对稀缺的原始淡水这一普遍千年发展目标的实现，以提高它们的社会经济福祉。鉴于关于废水排放限值的监管措施和对有效处理方法的需求仍未得到满足，部分情况下，酶处理废水的前景是可取的。因此，重新考虑了氧化酶的可能容量以及在废水处理应用中遇到的相应挑战，最终考虑了漆酶的前景，漆酶是一种多酚氧化酶，它可以氧化具有供电子基团的芳香族和无机底物，从而处理废水中的芳香族污染物，因为它被认为是一个更环保社区的载体。此外，还全面阐明了漆酶驱动的催化在维持质量-能量平衡方面的重要性，从而最大限度地减少环境废物，以及在模型废水处理设施中漆酶的战略定位，以有效处理废水污染物。
