Selecting Treatment Trains for Seasonal Storage of Reclaimed Water
Abstract:Many utilities producing reclaimed water are considering or have implemented seasonal storage facilities (typically open reservoirs) to balance peak seasonal demands for reclaimed water (e.g. irrigation) against the relatively constant supply from wastewater treatment plants. We know that storage changes the characteristics of reclaimed water and that, typically, algal growth is a problem. Algal growth can lead to increased turbidity, low dissolved oxygen, odors, and possible adverse impacts on aquatic life. We also know there is a potential for regrowth of bacteria. To make informed decisions about the design and operation of such storage facilities a variety of factors must be considered. These might include key water quality parameters, treatment approaches before and after storage, anticipated storage volumes, climatic conditions and a host of other considerations. The goal of the work reported on in this paper is to document water quality and cost tradeoffs associated with storage and pre and post treatment options of reclaimed water.
Document Type: Research Article
Publication date: 2008-01-01
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