Jordana Georgin, Dison S. P. Franco, Noureddine El Messaoudi, Youssef Miyah, Younes Dehmani, Xiuxiu Zhang, Chongqing Wang, Salah Knani
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Nanomaterials, such as metal oxides, carbon-based materials, and nanocomposites, display very high adsorption capacities and better photocatalytic efficiencies due to their large surface area, tunable surface chemistry, and special optical properties. Adsorption-based nanomaterials can rapidly and efficiently sequester drugs, and photocatalysts degrade them under light irradiation. The review critically discusses the mechanisms under which these processes take place or the influence of operational parameters and challenges in their real-life applicability, such as stability, regeneration, and cost of nanomaterials. Hybridization within nanomaterial systems is also emphasized as a promising direction to further improve removal efficiency. Future work should focus on improving the material design, recycling abilities, and toxicity evaluations as a basis for sustainable and scalable solutions for cleansing wastewater. 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Recent Advancements in the Removal of Analgesics from Hospital Wastewater using Nanomaterials via Adsorption and Photocatalytic Degradation Technologies
The presence of analgesics in wastewater from hospitals contributes significantly to environmental pollution as they persist, bioaccumulate, and are toxic to aquatic ecosystems. Most conventional wastewater treatment techniques cannot completely remove these groups of pharmaceuticals, thus requiring advanced treatment technologies. This review presents recent developments in removing analgesics from hospital wastewater by nanomaterials via adsorption and photocatalytic degradation. Nanomaterials, such as metal oxides, carbon-based materials, and nanocomposites, display very high adsorption capacities and better photocatalytic efficiencies due to their large surface area, tunable surface chemistry, and special optical properties. Adsorption-based nanomaterials can rapidly and efficiently sequester drugs, and photocatalysts degrade them under light irradiation. The review critically discusses the mechanisms under which these processes take place or the influence of operational parameters and challenges in their real-life applicability, such as stability, regeneration, and cost of nanomaterials. Hybridization within nanomaterial systems is also emphasized as a promising direction to further improve removal efficiency. Future work should focus on improving the material design, recycling abilities, and toxicity evaluations as a basis for sustainable and scalable solutions for cleansing wastewater. This review goes deep into the possible potential contribution of nanotechnology in dealing with pharmaceutical pollution in hospital effluents.
期刊介绍：
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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