Siddhant S. Kalyankar, Varsha Antanitta S, Fuhar Dixit, Karl Zimmermann, Balasubramanian Kandasubramanian
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Composite Materials For Adsorption of Rare Earth Metal Ions
Rare earth elements (REEs) are vital across numerous sectors, from nuclear and architecture to electronics and medicine, due to their unique properties. Meeting the growing demand for REEs necessitates innovative recovery methods from waste and recycling. This review explores the adsorption of REEs using polymer composites, including biopolymers, synthetic polymers, and conducting polymers. These composites demonstrate remarkable adsorption capacity and selectivity for REEs. This review explored several natural and synthetic polymers, composites, and nanocomposites as adsorbents, focusing on chemical structures, kinetics, adsorption capacity, processes, and polarity for REE uptake from aqueous solutions. Notably, benzyl phosphate-based polymers achieve the highest adsorption capacity at 301 mg/g, while polypyrrole sawdust exhibits the lowest at 6 mg/g. Nanocomposites, however, excel with adsorption capacities exceeding 900 mg/g. This review underscores the critical importance of REE recovery and recycling for a sustainable and clean global environment.
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Water, Air, & Soil Pollution is an international, interdisciplinary journal on all aspects of pollution and solutions to pollution in the biosphere. This includes chemical, physical and biological processes affecting flora, fauna, water, air and soil in relation to environmental pollution. Because of its scope, the subject areas are diverse and include all aspects of pollution sources, transport, deposition, accumulation, acid precipitation, atmospheric pollution, metals, aquatic pollution including marine pollution and ground water, waste water, pesticides, soil pollution, sewage, sediment pollution, forestry pollution, effects of pollutants on humans, vegetation, fish, aquatic species, micro-organisms, and animals, environmental and molecular toxicology applied to pollution research, biosensors, global and climate change, ecological implications of pollution and pollution models. Water, Air, & Soil Pollution also publishes manuscripts on novel methods used in the study of environmental pollutants, environmental toxicology, environmental biology, novel environmental engineering related to pollution, biodiversity as influenced by pollution, novel environmental biotechnology as applied to pollution (e.g. bioremediation), environmental modelling and biorestoration of polluted environments.
Articles should not be submitted that are of local interest only and do not advance international knowledge in environmental pollution and solutions to pollution. Articles that simply replicate known knowledge or techniques while researching a local pollution problem will normally be rejected without review. Submitted articles must have up-to-date references, employ the correct experimental replication and statistical analysis, where needed and contain a significant contribution to new knowledge. The publishing and editorial team sincerely appreciate your cooperation.
Water, Air, & Soil Pollution publishes research papers; review articles; mini-reviews; and book reviews.
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