Journal
JOURNAL OF ENVIRONMENTAL MANAGEMENT
Volume 281, Issue -, Pages -Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jenvman.2020.111750
Keywords
Nanomotors; Micromotors; Water treatment; Water pollutants removal
Categories
Funding
- DBT, Govt. of India [BT/PR40544/COD/139/14/2020]
- Science and Engineering Research Board, Govt. of India [PDF/2016/002910]
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Autonomously propelled micro/nanobots, with their unique architecture and engineering aspects, hold great promise for biomedical applications and water treatment. They can efficiently absorb or degrade toxic chemicals from polluted water, making them suitable for large scale water treatment, particularly industrial effluents.
Autonomously propelled micro/nanobots are one of the most advanced and integrated structures which have been fascinated researchers owing to its exceptional property that enables them to be carried out user-defined tasks more precisely even on an atomic scale. The unique architecture and engineering aspects of these man-made tiny devices make them viable options for widespread biomedical applications. Moreover, recent development in this line of interest demonstrated that micro/nanobots would be very promising for the water treatment as these can efficiently absorb or degrade the toxic chemicals from the polluted water based on their tunable surface chemistry. These auto propelled micro/nanobots catalytically degrade toxic pollutants into non-hazardous compounds more rapidly and effectively. Thus, for the last few decades, nanobots mediated water treatment gaining huge popularity due to its ease of operation and scope of guided motion that could be monitored by various external fields and stimuli. Also, these are economical, energy-saving, and suitable for large scale water treatment, particularly required for industrial effluents. However, the efficacy of these bots hugely relies on its design, characteristic of materials, properties of the medium, types of fuel, and surface functional groups. Minute variation for one of these things may lead to a change in its performance and hinders its dynamics of propulsion. It is deemed that nanobots might be a smart choice for using these as the new generation devices for treating industrial effluents before discharging it in the water bodies, which is a major concern for human health and the environment.
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