The review scans research articles published in 2018 on physico‐chemical processes for water and wastewater treatment. The paper includes eight sections, that is, membrane technology, granular filtration, flotation, adsorption, coagulation/flocculation, capacitive deionization, ion exchange, and oxidation. The membrane technology section further divides into six parts, including microfiltration, ultrafiltration, nanofiltration, reverse osmosis/forward osmosis, and membrane distillation.Practitioner points
Totally 266 articles on water and wastewater treatment have been scanned;
The review is sectioned into 8 major parts;
Membrane technology has drawn the widest attention from the research community.
A scree (talus) slope is characterized by an inclined accumulation of rock debris sourced from the upper part of a weathered cliff at the foot of the cliff. Scree slopes are widely encountered in high, frigid mountainous regions and have some interesting geomorphic features (Caine, 1969;Kirkby & Statham, 1975;Sass, 2006). The formation of scree slopes, as shown in Figure 1, is a complex process that involves the detachment, descent, movement, and accumulation of weathered and failed rock. The mechanics of this dynamic process have been of long-standing interest in a number of fields (e.g.,
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