Abstract
Agricultural wastewater is one of the main types in agricultural nonpoint source pollution and mostly produced by the abusement of fertilizers, pesticides, and plastic film. Characterized by high BOD and ammonia, agricultural wastewater is generally degraded by microbial technique, including natural treatment and anaerobic or aerobic techniques. However, long reaction period and remnant of a persistent organic cannot be solved appropriately. Recently, nano-materials have drawn much attention in in situ remediation of groundwater because of their small particle size and high specific surface area. Especially, it was found that nano-iron corrosion in water produced molecular hydrogen, which can be used as an electron donor for autotrophic microbes. And nitrate, perchlorate, trichlorethylene, and other pollutants could be removed in this process. In addition, a photocatalytic technology using nano-TiO2 as photocatalyst was an efficient and safe method for antibiotic degradation, which was hardly observed in conventional microbial treatment technology. Also, some researchers developed novel methods using nanofiltration membrane combined with microbial technology for wastewater treatment. The results showed that the quality of effluent including microbiological indicators, heavy metals, and POPs is in full compliance with the requirements of drip irrigation.
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An, Y., Dong, Q. (2015). Nano-enhanced Biological Treatment of Agricultural Wastewater. In: Rai, M., Ribeiro, C., Mattoso, L., Duran, N. (eds) Nanotechnologies in Food and Agriculture. Springer, Cham. https://doi.org/10.1007/978-3-319-14024-7_12
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DOI: https://doi.org/10.1007/978-3-319-14024-7_12
Publisher Name: Springer, Cham
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