Chapter 35 : Biotreatment

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Biotreatment covers a broad field and it likely has different definitions in the view of different individuals. This chapter covers some aspects of biotreatment, and then briefly discusses different biotreatment topics. There are many different technologies used in biotreatment from classical to procedures that are still under development. The chapter focuses on the approaches from the biotreatment industry and some of the limitations of biotreatment. The biotreatments presume the employment of microorganisms. Several novel microorganisms have been discovered in the biotreatment industry, and many of them are as yet not in pure culture. A plethora of studies have explored the microbial community structures of different biotreatment systems where novel biodiversity is a common theme. Different biotreatment processes collectively accommodate an extremely wide spectrum of the diversity of microorganisms. The chapter concludes with a detailed case study of enhanced biological phosphorus removal (EBPR). The EBPR is a widely applied process to facilitate the removal of phosphorus from wastewater via microbial activity.

Citation: Blackall L, Yeates C. 2004. Biotreatment, p 397-404. In Bull A (ed), Microbial Diversity and Bioprospecting. ASM Press, Washington, DC. doi: 10.1128/9781555817770.ch35
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Figure 1

Schematic diagram of the configuration of wastewater treatment plants designed for complete nitrogen removal by predenitrification.

Citation: Blackall L, Yeates C. 2004. Biotreatment, p 397-404. In Bull A (ed), Microbial Diversity and Bioprospecting. ASM Press, Washington, DC. doi: 10.1128/9781555817770.ch35
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Image of Figure 2
Figure 2

Diagram of nitrification (left arrows) and denitrificarion (right arrows). Shaded squiggle line shows pathways that could be eliminated and save energy and carbon for biotreatment processes.

Citation: Blackall L, Yeates C. 2004. Biotreatment, p 397-404. In Bull A (ed), Microbial Diversity and Bioprospecting. ASM Press, Washington, DC. doi: 10.1128/9781555817770.ch35
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Image of Figure 3
Figure 3

Diagrams showing the hypothesized transformations of major components of (A) PAOs and (B) GAOs in EBPR.

Citation: Blackall L, Yeates C. 2004. Biotreatment, p 397-404. In Bull A (ed), Microbial Diversity and Bioprospecting. ASM Press, Washington, DC. doi: 10.1128/9781555817770.ch35
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