Control of anaerobic-anoxic-aerobic (A2/O) processes in wastewater treatment: a detailed review

AG Sheik, ESS Tejaswini, MM Seepana… - Environmental …, 2023 - Taylor & Francis
This review paper describes different control applications for the A2/O process in sewage
wastewater treatment plants. The contents elucidate the research carried out in the literature …

Design of feedback control strategies in a plant-wide wastewater treatment plant for simultaneous evaluation of economics, energy usage, and removal of nutrients

AG Sheik, E Tejaswini, MM Seepana, SR Ambati… - Energies, 2021 - mdpi.com
Simultaneous removal of nitrogen and phosphorous is a recommended practice while
treating wastewater. In the present study, control strategies based on proportional-integral …

Integrated supervisory and override control strategies for effective biological phosphorus removal and reduced operational costs in wastewater treatment processes

AG Sheik, VSRK Machavolu, MM Seepana, SR Ambati - Chemosphere, 2022 - Elsevier
A novel control strategy is developed for a municipal wastewater treatment plant (WWTP)
consisting of anaerobic-anoxic-aerobic reactors. The idea is to generate more organic …

Experimental Investigation and Modeling of Denitrification of Water in a Column Bioreactor Using Immobilized Microorganisms on Modified Zeolite

E Zamani Abyaneh, MH Heidary… - Journal of Chemical …, 2024 - jchpe.ut.ac.ir
The effectiveness of nitrate removal was assessed in a 9.5 L packed bed column bioreactor
through the evaluation of various feeding strategies and initial concentrations. The …

Enhancing Wastewater Treatment Plant Efficiency: Constraint Optimization and Regression Analysis Approach

KG Aparna, R Swarnalatha - 2023 International Conference on …, 2023 - ieeexplore.ieee.org
This research work presents a comprehensive approach to optimizing wastewater treatment
processes, emphasizing the improvement of both the energy efficacy of aeration and effluent …

Optimisation of the energy consumption in activated sludge treatment plants using simulation model

S Zairi, B Meddah, M Slimani - International Journal of …, 2024 - inderscienceonline.com
This article aims to illustrate how modelling can be used to optimise energy consumption in
a large wastewater treatment plant located in Saida, Algeria. An aeration control strategy is …

Design of supervisory controllers to reduce energy consumption in plant-wide biological wastewater treatment plants with feedback signals from non-ideal sensors

AG Sheik, SR Ambati - Chemical Engineering Communications, 2024 - Taylor & Francis
In this research, proportional-integral (PI) and Fuzzy logic control (FLC) strategies are
designed to control wastewater treatment processes at the whole plant level. Two control …

Fuzzy logic control of biological wastewater treatment plants with non-ideal sensors and actuators

P Maheswari, ESS Tejaswini, P Sridhar… - International Journal of …, 2022 - Springer
Abstract Wastewater Treatment Plants (WWTP) are highly nonlinear and complex processes
and their control is a challenging task. In literature, the works carried out on WWTPs have …

Evaluation of Controller Performances with Non-ideal Sensors and Actuators in Biological Wastewater Treatment Plants

ESS Tejaswini, P Maheswari, SR Ambati - International Journal of …, 2022 - Springer
Wastewater treatment plants (WWTPs) are highly non-linear and complex processes, and
their control is a challenging task. In the literature, the works carried out on WWTPs have …

Evaluation of Effluent Quality and Operating Cost in Biological Wastewater Treatment Plants with Non-ideal Sensors in the Feedback Control

AG Sheik, ESS Tejaswini, MM Seepana… - Innovative Trends in …, 2022 - Springer
In the analysis of wastewater treatment plants (WWTPs), it is very general to use ideal
sensors and actuators without noise and delay for the measurement of dissolved oxygen …