Impact of resin loading on ion exchange equilibrium for removal of organic matter and inorganic ions

Design considerations for biological ion exchange drinking water filters: Resin selection, backwash, and regenerations

“…Elsewhere it was suggested that IEX resin capacity could be recovered to nearly 100% following five loading‐and‐regeneration cycles (Pidoux et al, 2022). Decreases in resin capacity are likely a result of irreversible fouling and blockage of exchange sites (Dixit et al, 2019) and future studies may seek techniques for un‐fouling via regeneration or otherwise.…”

Revealing the effect of anion exchange resin conditioning on the pH and natural organic matter model compounds removal mechanisms

“…Furthermore, most studies use resins in the counter ion form as delivered by the manufacturer, which is usually the Clform for SBA and the free base (FB) form for WBA resins. However, when ion exchange is the dominant removal mechanism, the counter ion can have an important influence on the removal efficiency due to difference in selectivity of the counter ion for the (anionic) NOM, caused by the differences in ionic radius and corresponding resin swelling pressure [32,33]. In the past few years, the effect of varying the counter ion on NOM removal has been investigated.…”

Post-Global Pandemic Challenges and improvements in advanced detection and removal processes of toxic pollutants: Editorial

“…This Special issue shows studies related to copper ( Belbachir et al, 2022 , Stala et al, 2022 ), mercury ( Windisch et al, 2022 ), arsenic ( Jakukowicz-Sobala et al, 2022 ; Zaric et al, 2022 ; Carneiro et al, 2022 ), selenium (Parra-Martinez et al, 2022; Arias - Borrego et al, 2022 ), and other heavy and radioactive metals ( Irfan et al, 2022 ; Zheng et al, 2022; Germande et al, 2022 ; Krawczy-Barsch et al, 2022) detection and speciation, organic matter and inorganic ions removal ( Pidoux et al,. 2022 ), quantitative analysis of metabolites ( Wang et al, 2022 ), estrogens ( Zdarta et al, 2022 ), uses and detection of nanomaterials ( Kuo et al, 2022 , Saravanakumar et al, 2022 ), nanoplastics ( Arini et al, 2022 ), HCH derivatives ( Alvarez et al, 2022 ), antibiotics ( Zaheer Afzal et al, 2022 ), pesticides ( Jevremovic et al, 2022 ), photodegration processes ( Kumar et al, 2022 ), cell internalization drugs ( Ahmadi et al, 2022 ), dyes and pigments degradation ( Jankowska et al, 2022 ), and bacteria studies ( Arruda et al, 2022 , Xiang et al, 2022 ) in a very long different group of samples, including fresh environmental water, seawater, wastewater, different soils, food, marine organism, bacteria, mice’s, etc.…”