Intermittent aeration has been shown to be one of the most effective and cost-effective
strategies for biological wastewater treatment. This review presents an overview of the …

On their path to becoming sustainable facilities, it is required that wastewater treatment
plants reduce their energy demand, sludge production, and chemical consumption, as well …

Abstract Multi-soil-layering (MSL) system with brick-wall pattern structure and gravitational
flow can be used for decentralized rural domestic sewage treatment. The capability of soil for …

One of the major challenges in existing WasteWater Treatment Plants (WWTPs) is to comply
with the increasingly stringent nutrient discharge limits established by the competent …

Featured Application This review introduces some energy-saving technologies of
wastewater treatment. This work can provide some help for those who are engaged in …

The on-line monitoring of Chemical oxygen demand (COD) and total phosphorus (TP)
restrains wastewater treatment plants to achieve better control of aeration and chemical …

Anaerobic digestion (AD) has been widely applied for extracting energy from organic
wastes. Optimization of AD operation is difficult because of its complexity. Therefore, an …

In the conventional preanoxic Modified Ludzack-Ettinger (MLE) process, the nitrified mixed
liquor cannot be completely returned to the preanoxic zone for denitrification. In this study …

The application of a multivariable predictive controller to an activated sludge process is
discussed in this work. Emphasis is given to the model identification and the long term …

In the operation of a wastewater treatment plant, the key challenge for the operator is to
obtain parameters of the treated wastewater required by relevant legal acts. Meeting these …