Abstract

Swine wastewater has been recognized under the agricultural wastewater consisting of high organic and nutrient content, including nitrogen and phosphorus. It further leads to eutrophication in the environment. No prominent green techniques have been innovated that can remove the nutrients from this discharged wastewater. Various biological and physico-chemical technologies have been carried out for treatment of swine wastewater. Here, in the present chapter, we are considering biological treatment as one of the promising methods owing to its economic effectiveness and performance efficiency along with the production of valuable by-products and bio-energies. This chapter summarizes the different characteristic properties of swine wastewaters briefly in the beginning and followed by describing various conventional and integrated biological methods on the treatments of swine wastewaters. Furthermore, the recovery of value-added products from swine wastewater along with the potential to reutilize biomass and reclaimed water produced during the treatment processes are also presented under the consideration of circular economy with future directions.

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