Saline–alkali soil has become a significant problem for global agriculture and food security
as these soils have poor physicochemical conditions and reduce crop production by causing …

Sludge or waste activated sludge (WAS) generated from wastewater treatment plants may
be considered a nuisance. It is a key source for secondary environmental contamination on …

Sewage sludge, the inevitable by-product of municipal wastewater treatment plant
operation, is a key issue in many countries due to its increasing volume and the impacts …

With the acceleration of urbanization, the production of urban sludge is increasing rapidly.
To minimize resource input and waste output, it is crucial to execute analyses of …

Circular economy (CE) is gaining popularity at different levels with the promise of creating
more sustainable processes. In this context, cities are implementing a number of initiatives …

The increasing volume of sewage sludge from wastewater treatment facilities is becoming a
prominent concern globally. The disposal of this sludge is particularly challenging and …

This article presents the most popular methods of sewage sludge management and
associated unit operations and processes referring to them. The most popular methods are …

With the continuous exploitation and loss of phosphorus (P) resources and the challenging
natural closed-loop recovery of P, the P crisis has become an issue that must be urgently …

Pyrolysis can realize the reduction and resource utilization of municipal sewage sludge
(MSS). In this paper, a self-sustaining pyrolysis process is designed for municipal sewage …

Hydrothermal carbonisation (HTC) of sewage sludge (SS) with waste biomass was
investigated as a clean and energy-efficient treatment to produce char. The effects of the …