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Review

Designing Microflowreactors for Photocatalysis Using Sonochemistry: A Systematic Review Article

1
Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
2
Universidad Cooperativa de Colombia, Calle 50A No. 41–34 Medellín, Colombia
*
Authors to whom correspondence should be addressed.
Academic Editor: Gregory Chatel
Molecules 2019, 24(18), 3315; https://doi.org/10.3390/molecules24183315
Received: 31 July 2019 / Revised: 6 September 2019 / Accepted: 8 September 2019 / Published: 12 September 2019
(This article belongs to the Special Issue Sonochemistry and Green Chemistry Applications II)
Use of sonication for designing and fabricating reactors, especially the deposition of catalysts inside a microreactor, is a modern approach. There are many reports that prove that a microreactor is a better setup compared with batch reactors for carrying out catalytic reactions. Microreactors have better energy efficiency, reaction rate, safety, a much finer degree of process control, better molecular diffusion, and heat-transfer properties compared with the conventional batch reactor. The use of microreactors for photocatalytic reactions is also being considered to be the appropriate reactor configuration because of its improved irradiation profile, better light penetration through the entire reactor depth, and higher spatial illumination homogeneity. Ultrasound has been used efficiently for the synthesis of materials, degradation of organic compounds, and fuel production, among other applications. The recent increase in energy demands, as well as the stringent environmental stress due to pollution, have resulted in the need to develop green chemistry-based processes to generate and remove contaminants in a more environmentally friendly and cost-effective manner. It is possible to carry out the synthesis and deposition of catalysts inside the reactor using the ultrasound-promoted method in the microfluidic system. In addition, the synergistic effect generated by photocatalysis and sonochemistry in a microreactor can be used for the production of different chemicals, which have high value in the pharmaceutical and chemical industries. The current review highlights the use of both photocatalysis and sonochemistry for developing microreactors and their applications. View Full-Text
Keywords: ultrasound; flow microreactor; photocatalysis; water/air detoxification; organic synthesis; semiconductor ultrasound; flow microreactor; photocatalysis; water/air detoxification; organic synthesis; semiconductor
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MDPI and ACS Style

Rashmi Pradhan, S.; Colmenares-Quintero, R.F.; Colmenares Quintero, J.C. Designing Microflowreactors for Photocatalysis Using Sonochemistry: A Systematic Review Article. Molecules 2019, 24, 3315. https://doi.org/10.3390/molecules24183315

AMA Style

Rashmi Pradhan S, Colmenares-Quintero RF, Colmenares Quintero JC. Designing Microflowreactors for Photocatalysis Using Sonochemistry: A Systematic Review Article. Molecules. 2019; 24(18):3315. https://doi.org/10.3390/molecules24183315

Chicago/Turabian Style

Rashmi Pradhan, Swaraj, Ramón F. Colmenares-Quintero, and Juan C. Colmenares Quintero 2019. "Designing Microflowreactors for Photocatalysis Using Sonochemistry: A Systematic Review Article" Molecules 24, no. 18: 3315. https://doi.org/10.3390/molecules24183315

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