Sludge is an inevitable by product of sewage treatment, and it includes pathogens, heavy
metals, organic pollutants and other toxic substances. The components of sludge are …

Sludge disposal is an integral part of wastewater treatment systems, and its cost usually
accounts for more than half of the total operation cost. Sludge disposal technology is facing …

Large amounts of waste activated sludge (WAS) as a by-product generated from the
biological treatment in wastewater treatment plants (WWTPs) is of high moisture content …

During wastewater treatment, most organic matter is transferred to a solid phase commonly
known as sludge or biosolids. The high cost of sludge management and the growing interest …

Difficulties in dewatering of biosludge result in economical and environmental issues for
wastewater treatment plants. Various attempts have been made to overcome this problem by …

The feasibility of combined process of composite enzymatic treatment and chemical
flocculation with inorganic salt coagulants was investigated in this study. The evolution of …

Anaerobic digestion is the most commonly used sludge treatment technology in large-scale
wastewater treatment plants (WWTPs), generating two main products, ie, biogas and …

Anaerobic digestion (AD) of wasted activated sludge from wastewater plants is recognized
as an effective method to reclaim energy in the form of methane. AD performance has been …

Biological wastewater treatment processes can be classified as either aerobic or anaerobic.
These two biological treatment processes are each characterised by groups of micro …

Biological H 2 production from anaerobic digestion (AD) is not a sustainable pathway, based
on both the efficiency of energy recovery and operation possibility in practice. Because of …