Literature

Selected peer-reviewed publications by DOSCON staff

Dosing control

2018: Liu, W; Ratnaweera, Harsha; Kvaal, Knut. Model-based measurement error detection of a coagulant dosage control system. International Journal of Environmental Science and Technology, p. 1-10

2017: Wei, L., Ratnaweera, H.: Feed-forward-based software sensor for outlet turbidity of coagulation process considering plug flow condition. ​International journal of Environmental Science and Technology,1689-1696

2017: Manamperuma, L., Wei, L., Ratnaweera, H. Multi-parameter based coagulant dosing control​​. Water Science and Technology 75 (9), 2157-2162

2016: Manamperuma, L., Ratnaweera, H., Heistad, A., Vasenko, L. ​Effect of degree of prepolymerisation of coagulant and ratio of phosphate-inorganic metal on coagulated sludge. ​International Journal of Environmental Technology and Management 19(3/4):278–287.

2016: Liu, W., & Ratnaweera, H. Improvement of multi-parameter based feed-forward coagulant dosing control systems with feed-back functionalities. Water Science and Technology, wst2016180. 491-499

2016: Manamperuma, L. D., Ratnaweera, H. C., & Martsul, A. Mechanisms during suspended solids and phosphate concentration variations in wastewater coagulation process. Environmental technology, 1-17.

2015: Manamperuma, L. D.; Ratnaweera, H.C. Coagulation mechanisms during the substitution of inorganic salts with cationic polymers to increase the sludge value.. Journal of Water Resource and Protection;Volume 7.(17) p. 1495-1501

2015: Ratnaweera, H., Fettig, J. State of the Art of Online Monitoring and Control of the Coagulation Process. Water 2015 ; Volume 7.(11) p. 6574-6597

2002: Ratnaweera, Harsha; Lindholm, Oddvar; Lei, Lu. Simulation Programs for Waste Water Coagulation. Water Science and Technology; Volume 46.(4-5) p. 27-33

Process Control

2021:Nair, A., M., Haugen, F. A. and Ratnaweera, H., Economic Model Predictive Control for optimal struvite recovery. Journal of Environmental Management, 280, 111830.

2020: Nair, A. M., Haugen, F. A. and Ratnaweera, H., Adaptive MPC for optimal operation in a municipal wastewater treatment plants, Submitted to Control Engineering Practices

2019: Nair, A. M., Fanta, A. B., Haugen, F. A and Ratnaweera, H., Implementing an Extended Kalman Filter for estimating nutrient composition in a sequential batch MBBR pilot plant, Water Science and Technology, 80 (2), 317-328.

2018: Wang, X., Bi, X., Liu, C.; Ratnaweera, H. Identifying critical components causing seasonal variation of activated sludge settleability and developing early warning tool. Water Science and Technology; Volume 77.(6) p. 1689-1697

2018: Wang, X.; Bi. X Hem, L.; Ratnaweera, H. Microbial community composition of a multi-stage moving bed biofilm reactor and its interaction with kinetic model parameters estimation. Journal of Environmental Management; Volume 218. p. 340-347

2017: Wang, X., Kvaal, K., Ratnaweera, H.: Characterization of influent wastewater with periodic variation and snow melting effect in cold climate area​. J. of Computers & Chemical Engineering, ​​106, 202-21,

2017: Wang, X., Ratnaweera, H., Holm, J.A., Olsbu, V.: ​Statistical monitoring and dynamic simulation of a wastewater treatment plant: A combined approach to achieve model predictive control. Journal of Environmental Management 193, 1-7​

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