Lecture 3

1993 p 66 piero m armenante njit classification of

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Unformatted text preview: RMENANTE NJIT Classification of Wastewater Treatments Processes (continued) Secondary treatment is typically the most important part of the process, and is used primarily to remove the bulk of the suspended solids, organic materials (both hazardous and non-hazardous), and other soluble materials. Biological treatment constitutes the process of choice during secondary treatment of wastewater. Tertiary treatment, involving processes such as sand filtration, reverse osmosis, adsorption, and electrodialysis, is used (if necessary) to remove any residual contaminants not eliminated during the previous treatment processes. After Armenante, Chapter 4: Bioreactors, in Biotreatment of Industrial and Hazardous Waste, Levin and Gealt (ed.), 1993, p. 66 PIERO M. ARMENANTE NJIT Classification of Wastewater Treatments Processes (continued) Sludge treatment and disposal includes all the operations connected with the concentration, stabilization, and final disposal of the semi-solid sludge produced during the primary, secondary and tertiary treatments. Sludge treatment and dispo...
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