Abstract
The design of a biological wastewater treatment facility requires many decisions, and the procedures for making most of them are well established from decades of experience, particularly for domestic wastewater treatment. Consequently, scale-up of those facilities is seldom an issue. Heuristic guidelines help to ensure that the final facility will function in the manner planned. The treatment of industrial wastewaters, or ex situ treatment of contaminated groundwaters, is more complicated and subject to more uncertainty. This difference follows from the nature of the organic contaminants being destroyed. Domestic wastewater contains primarily biogenic organic material which is easily biodegradable. Consequently, the kinetics of biodegradation is seldom an issue and design is primarily based on stoichiometry (Daigger and Grady, 1995). Industrial wastewaters and contaminated groundwaters, on the other hand, routinely contain synthetic organic chemicals (SOCs), and their removal to very low levels is usually the objective of the treatment process. In this situation, the kinetics of biodegradation is often the issue around which the entire design process is centered, requiring the translation of information collected in the lab to use in a full-scale facility. Since the lab data may have been collected in systems a few liters in size, whereas the full-scale facility may be several thousand cubic meters in size, the question of how best to move from one to the other is quite important. In other words, how do we use lab data to ensure that a full-scale system will work as planned? This chapter will address this question by reviewing an example.
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Grady, C.P.L., Sock, S.M., Cowan, R.M. (1997). Biotreatability Kinetics. In: Sayler, G.S., Sanseverino, J., Davis, K.L. (eds) Biotechnology in the Sustainable Environment. Environmental Science Research, vol 54. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-5395-3_28
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DOI: https://doi.org/10.1007/978-1-4615-5395-3_28
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