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Title: Pilot-scale evaluation of the nutrient film technique for wastewater treatment
Authors: Bouzoun, John R.
Diener, C. J. (Carl J.)
Butler, Patricia L.
Keywords: Nutrient films
Nutrient film technique
Waste water
Wastewater treatment
Sewage treatment
Sewage purification
Water treatment
Nutrient cycle
Water retention
Publisher: Cold Regions Research and Engineering Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Special report (Cold Regions Research and Engineering Laboratory (U.S.)) ; 82-27.
Description: Special Report
Abstract: An experiment was conducted to determine the feasibility of using several plant species in a pilot-scale nutrient film technique (NFT) installation to further treat primary-treated effluent. The reduction of biochemical oxygen demand, total suspended solids, and nitrogen and phosphorus concentrations by the NFT is discussed. Tracer studies showed that the hydraulic retention time of the wastewater in the NFT trays was inversely related to the wastewater application rate, and that for a given flow, plants with fine root systems (such as reed canarygrass) had a much longer detention time than plants with coarse tuberous rhizomes (such as cattails). The BOD reduction could be described using the plug-flow reactor model with first-order kinetics.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Special Report

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