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Updated: Feb 11, 2026

A Flow-through Exposure System for Evaluating Suspended Sediments Effects on Aquatic Life
Published on: January 9, 2017
Characterisation of sediments during transport of solids in circular sewer pipes
Manuel Regueiro-Picallo1, Jose Anta1, Joaquín Suárez1
1Universidade da Coruña, Water and Environmental Engineering Group (GEAMA), Elviña, A Coruña 15071, Spain
Abstract:
This research is focused in the monitoring of sediments in circular sewer pipes with different diameters at a flume facility fed with urban wastewater. For this purpose, sediment physical and chemical characteristics, and sediment mobility were recorded. The Structure from Motion photogrammetric technique was used for the measurement of sediment bed evolution. In addition, sediment properties were determined in order to study the cohesiveness of the bed deposits. In particular, the chemical oxygen demand and the oxygen uptake rate of the sediment samples were analysed after different accumulation periods on the pipe inverts, resulting in a relation between these parameters and the mobility processes of solids.
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