期刊
REVIEWS IN ENVIRONMENTAL SCIENCE AND BIO-TECHNOLOGY
卷 16, 期 2, 页码 273-287出版社
SPRINGER
DOI: 10.1007/s11157-017-9424-3
关键词
Anaerobic wastewater treatment; Ferric reduction; Iron reducers; Organic oxidation
资金
- National Science Foundation Experimental Program to Stimulate Competitive Research program (NSF/EPSCoR) [1458952]
- Office of Integrative Activities
- Office Of The Director [1458952] Funding Source: National Science Foundation
Anaerobic treatment processes have the advantages of cost-effectiveness, energy efficiency, low sludge yield and potential of resource recovery over conventional aerobic treatment methods and have been gaining increasing attention as an approach for future wastewater management. An important feature of anaerobic processes is the use of alternative electron acceptors to oxygen, which renders treatment flexibility in using redox active elements such as iron and sulfate from other waste materials. Co-treatment of acid mine drainage and municipal wastewater, as an example, has been shown to be an effective method for removing organic materials, metals, and phosphate from the both wastes. It also suggested the applicability of ferric reduction process in wastewater treatment. Most of the previous studies on ferric reduction process and iron reducers were conducted in natural systems such as sediments, soils and groundwater. This paper reviews the significance and fundamentals of the ferric reduction process, its utility for organics oxidation, controlling factors, reaction kinetics, microbial processes of iron reduction and its ecology. The paper also evaluates the suitability and discusses future aspects of using iron reduction for wastewater treatment. Knowledge gaps are identified in this paper for developing such innovative wastewater technology and process optimization.
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