Cavitation-Based Processes for Water and Wastewater Treatment - Publikacja - MOST Wiedzy

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Cavitation-Based Processes for Water and Wastewater Treatment

Abstrakt

Cavitation based on advanced oxidation processes (Cav-AOPs) is interesting alternatives for already implemented wastewater treatment technologies. Destructive and strongly undesirable phenomena in the industry, i.e., cavitation, revealed to be useful in a positive manner as a source of energy for chemical reactions. During the implosion of cavitation bubbles, focused energy and resulting high temperature and pressure allows to effectively degrade many chemical compounds present in the cavitated liquid phase. The main reactions taking place in the cavitation zone are the thermal decomposition of chemical moieties as well as oxidation with dissolved oxygen and hydroxyl radicals produced during the implosion of cavitation bubbles. Great interest on this topic is supported by an increased number of publications dedicated to several aspects relating to the formation of cavitation phenomena and its application for water and wastewater treatment as well as hybrid processes based on external oxidants providing effective formation of radical species in cavitation conditions. In this chapter, a state of the art of cavitation-based water treatment technologies, including AOPs, as well as recent trends in this field is discussed. The principles of cavitation combined with AOPs are presented, followed by the evaluation of their effectiveness in the oxidation of organic contaminants. A comparison of hydrodynamic and acoustic cavitation processes for the same type of pollutants has been discussed. For example, the sanitization (disinfection) of water, as well as the degradation of pollutants including sulfide ions and several groups of organic compounds such as sulfur, nitrogen, and oxygen-containing organic compounds, aromatic hydrocarbons, dyes, and pharmaceuticals, has been taken into account while comparing the different cavitation processes.

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Kategoria:
Publikacja monograficzna
Typ:
rozdział, artykuł w książce - dziele zbiorowym /podręczniku w języku o zasięgu międzynarodowym
Tytuł wydania:
The Handbook of Environmental Chemistry strony 1 - 47
Język:
angielski
Rok wydania:
2022
Opis bibliograficzny:
Fedorov K., Cako E., Dinesh K., Soltani R. D. C., Wang Z., Khan J. A., Boczkaj G.: Cavitation-Based Processes for Water and Wastewater Treatment// The Handbook of Environmental Chemistry/ Berlin: Springer, 2022,
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1007/698_2022_866
Weryfikacja:
Politechnika Gdańska

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