Yingying Yang , Xiaodong Wang , Yuxing Wu , Feng Li , Zakhar Maletskyi , Shanshan Chen , Mingyue Tang , Zhiwen Song
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引用次数: 0
Abstract
Biological denitrification in wastewater treatment requires efficient carbon source management to maintain optimal process performance. This study addresses the approach of integrating a soft sensor model with model predictive control (MPC) for carbon source dosing control. A mechanistic model incorporating the heterotrophic yield coefficient was developed to determine external carbon requirements, while a multi-level feedback correction loop was introduced to enhance system adaptability. The proposed system was implemented and evaluated in a full-scale wastewater treatment plant (WWTP), demonstrating a 34.3 % reduction in carbon consumption, resulting in annual cost savings of USD 266,000. The results confirm that real-time soft sensor enabled MPC control improves process efficiency while maintaining stable nitrogen removal performance. This study provides a scalable and intelligent approach to wastewater treatment automation, emphasizing that practical implementation should not be delayed by concerns over model accuracy, as even moderate prediction deviations do not hinder the overall effectiveness of real-time control.
期刊介绍：
The Journal of Water Process Engineering aims to publish refereed, high-quality research papers with significant novelty and impact in all areas of the engineering of water and wastewater processing . Papers on advanced and novel treatment processes and technologies are particularly welcome. The Journal considers papers in areas such as nanotechnology and biotechnology applications in water, novel oxidation and separation processes, membrane processes (except those for desalination) , catalytic processes for the removal of water contaminants, sustainable processes, water reuse and recycling, water use and wastewater minimization, integrated/hybrid technology, process modeling of water treatment and novel treatment processes. Submissions on the subject of adsorbents, including standard measurements of adsorption kinetics and equilibrium will only be considered if there is a genuine case for novelty and contribution, for example highly novel, sustainable adsorbents and their use: papers on activated carbon-type materials derived from natural matter, or surfactant-modified clays and related minerals, would not fulfil this criterion. The Journal particularly welcomes contributions involving environmentally, economically and socially sustainable technology for water treatment, including those which are energy-efficient, with minimal or no chemical consumption, and capable of water recycling and reuse that minimizes the direct disposal of wastewater to the aquatic environment. Papers that describe novel ideas for solving issues related to water quality and availability are also welcome, as are those that show the transfer of techniques from other disciplines. The Journal will consider papers dealing with processes for various water matrices including drinking water (except desalination), domestic, urban and industrial wastewaters, in addition to their residues. It is expected that the journal will be of particular relevance to chemical and process engineers working in the field. The Journal welcomes Full Text papers, Short Communications, State-of-the-Art Reviews and Letters to Editors and Case Studies
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