During the last decade, water demand and wastewater generation has increased due to
urbanization around the globe which had led to an increase in the utilization of …

Anaerobic digestion (AD) of waste activated sludge (WAS) is an important bio-energy
strategy that has been hindered by low conversion efficiency. This paper presents a …

The characteristics of three forms of extracellular polymeric substances (EPS) and their
component proteins (PN) and polysaccharides (PS) during the granulation process of …

Extracellular polymeric substances (EPSs) are key biological substances, which largely
determine properties of sludge flocs, including hydrophobicity, adhesion, flocculation …

A review concerning the definition, extraction, characterization, production and functions of
extracellular polymeric substances (EPS) of microbial aggregates in biological wastewater …

Pre-treatments for waste activated sludge (WAS) are, in most cases, an attempt to increase
the biodegradation and/or improve hydrolysis rate of WAS after anaerobic digestion. This …

Owing to the development of urbanization, the amount of sewage sludge generated through
biological activated sludge process has increased dramatically. Anaerobic fermentation of …

Ultrasonication is an emerging and very effective mechanical pretreatment method to
enhance the biodegradability of the sludge, and it would be very useful to all wastewater …

The expansion of the aquaculture production is restricted due to the pressure it causes on
the environment by the discharge of waste products in the water bodies and by its …

The most common activated sludge operating problems causing poor plant performance are
related to solids separation. Especially common are bulking and foaming. Without a proper …