Valorization of agro-industrial biowaste to green nanomaterials for wastewater treatment: Approaching green chemistry and circular economy principles

被引：94
作者：
Omran, Basma A. [1 ,2 ]
Baek, Kwang-Hyun [1 ]
机构：
[1] Yeungnam Univ, Dept Biotechnol, Gyongsan 38541, Gyeongbuk, South Korea
[2] Egyptian Petr Res Inst EPRI, Dept Proc Design & Dev, PO 11727, Nasr City, Cairo, Egypt
来源：
JOURNAL OF ENVIRONMENTAL MANAGEMENT | 2022年 / 311卷
基金：
新加坡国家研究基金会;
关键词：
Green synthesis; Zero-cost; Nanomaterials; Wastewater treatment; Sustainability; EXTRACT CATALYTIC-ACTIVITY; ZINC-OXIDE NANOPARTICLES; FLUORESCENT CARBON DOTS; GRANATUM PEEL EXTRACT; IN-SITU SYNTHESIS; ZERO WASTE; SILVER NANOPARTICLES; METAL NANOPARTICLES; BIOGENIC SYNTHESIS; PHOTOCATALYTIC DEGRADATION;
D O I：
10.1016/j.jenvman.2022.114806
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Water pollution is one of the most critical issues worldwide and is a priority in all scientific agendas. Green nanotechnology presents a plethora of promising avenues for wastewater treatment. This review discusses the current trends in the valorization of zero-cost, biodegradable, and readily available agro-industrial biowaste to produce green bio-nanocatalysts and bio-nanosorbents for wastewater treatment. The promising roles of green bio-nanocatalysts and bio-nanosorbents in removing organic and inorganic water contaminants are discussed. The potent antimicrobial activity of bio-derived nanodisinfectants against water-borne pathogenic microbes is reviewed. The bioactive molecules involved in the chelation and tailoring of green synthesized nanomaterials are highlighted along with the mechanisms involved. Furthermore, this review emphasizes how the valorization of agro-industrial biowaste to green nanomaterials for wastewater treatment adheres to the fundamental principles of green chemistry, circular economy, nexus thinking, and zero-waste manufacturing. The potential economic, environmental, and health impacts of valorizing agro-industrial biowaste to green nanomaterials are highlighted. The challenges and future outlooks for the management of agro-industrial biowaste and safe application of green nanomaterials for wastewater treatment are summarized.
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页数：29
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