Adsorption, boiling or membrane filtration for disinfection by-product removal: How to make our drinking water safer?

Li, Shaoqiu; Wu, Shengnian; Cheng, Xiaoyu; Dong, Huiyu; Qiang, Zhimin; Xu, Dongyao

doi:10.1016/j.scitotenv.2023.169468

Cited by 1 publication

(1 citation statement)

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“…The tertiary step in the water treatment process concentrates on the removal of floating organic contaminants with phosphorus and nitrogen [ 18 ]. Advance treatment includes advanced oxidation processes (AOPs), which use strong oxidation reactions to break down complex and tenacious pollutants, membrane bioreactors; use membrane filtration and constructed wetlands; and use wetlands to treat wastewater [ 19 , 20 , 21 ]. Out of the throng of wastewater treatment processes, adsorption is the most recommended process because of its comprehensibility, efficiency, regeneration capacity, and cost-effectiveness [ 22 ].…”

Section: Introductionmentioning

confidence: 99%

Biopolymeric Nanocomposites for Wastewater Remediation: An Overview on Recent Progress and Challenges

Annu,

Mittal,

Tripathi

et al. 2024

Polymers

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Essential for human development, water is increasingly polluted by diverse anthropogenic activities, containing contaminants like organic dyes, acids, antibiotics, inorganic salts, and heavy metals. Conventional methods fall short, prompting the exploration of advanced, cost-effective remediation. Recent research focuses on sustainable adsorption, with nano-modifications enhancing adsorbent efficacy against persistent waterborne pollutants. This review delves into recent advancements (2020–2023) in sustainable biopolymeric nanocomposites, spotlighting the applications of biopolymers like chitosan in wastewater remediation, particularly as adsorbents and filtration membranes along with their mechanism. The advantages and drawbacks of various biopolymers have also been discussed along with their modification in synthesizing biopolymeric nanocomposites by combining the benefits of biodegradable polymers and nanomaterials for enhanced physiochemical and mechanical properties for their application in wastewater treatment. The important functions of biopolymeric nanocomposites by adsorbing, removing, and selectively targeting contaminants, contributing to the purification and sustainable management of water resources, have also been elaborated on. Furthermore, it outlines the reusability and current challenges for the further exploration of biopolymers in this burgeoning field for environmental applications.

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