Evaluation of lime dosing operation in Arendal River in 2018 Year:2019

Summary

NIVA has developed methods permitting an efficient control of lime dosers in streams. The control involves simple sensor technology and an efficient information flow. This system is used to improve and ensure a cost-efficient liming. The information generated is an aid to operators, water managers and is extensively used for quality control issues. This report summarizes results from the evaluation in Arendal River in 2018, and includes recommendations based on discrepancies from optimal operation detected in 2018