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Advances in Circular Bioeconomy Technologies: From Agricultural Wastewater to Value-Added Resources
Environments Pub Date : 2021-03-01 , DOI: 10.3390/environments8030020
Nidhi Mehta , Kinjal J Shah , Yu-I Lin , Yongjun Sun , Shu-Yuan Pan

This review systematically outlines the recent advances in the application of circular bioeconomy technologies for converting agricultural wastewater to value-added resources. The properties and applications of the value-added products from agricultural wastewater are first summarized. Various types of agricultural wastewater, such as piggery wastewater and digestate from anaerobic digestion, are focused on. Next, different types of circular technologies for recovery of humic substances (e.g., humin, humic acids and fulvic acids) and nutrients (e.g., nitrogen and phosphorus) from agricultural wastewater are reviewed and discussed. Advanced technologies, such as chemical precipitation, membrane separation and electrokinetic separation, are evaluated. The environmental benefits of the circular technologies compared to conventional wastewater treatment processes are also addressed. Lastly, the perspectives and prospects of the circular technologies for agricultural wastewater are provided.

中文翻译:

循环生物经济技术的进展:从农业废水到增值资源

这篇综述系统地概述了循环生物经济技术在将农业废水转化为增值资源方面的最新进展。首先总结了农业废水增值产品的性质和应用。重点关注各种类型的农业废水,例如猪场废水和厌氧消化产生的消化液。接下来,对用于从农业废水中回收腐殖质(例如,腐殖质,腐殖酸和黄腐酸)和养分(例如,氮和磷)的不同类型的循环技术进行了回顾和讨论。对诸如化学沉淀,膜分离和电动分离等先进技术进行了评估。与常规废水处理工艺相比,循环技术的环境效益也得到了解决。最后,提供了农业废水循环技术的观点和展望。
更新日期:2021-03-01
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