Aeration Supported Process Intensification of Waste Water for Degradation of Benzene in an Orifice Type Hydrodynamic Cavitation System

Isolated and aerated benzene degradation in the wastewater using orifice plates as the caviting devices for the hydrodynamic cavitation (HC) reactor was investigated. Initially, calorimetric tests were used to measure the energy efficiency of the HC reactor run at various inlet pressures. At an inle...

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Autores principales:	Awais Bokhari, Jirí Jaromír Klemeš, Saira Asif
Formato:	article
Lenguaje:	EN
Publicado:	AIDIC Servizi S.r.l. 2021
Materias:	Chemical engineering TP155-156 Computer engineering. Computer hardware TK7885-7895
Acceso en línea:	https://doaj.org/article/231de4a10100455498e7cfb807a6a99f
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spelling	oai:doaj.org-article:231de4a10100455498e7cfb807a6a99f2021-11-15T21:47:27ZAeration Supported Process Intensification of Waste Water for Degradation of Benzene in an Orifice Type Hydrodynamic Cavitation System10.3303/CET21881582283-9216https://doaj.org/article/231de4a10100455498e7cfb807a6a99f2021-11-01T00:00:00Zhttps://www.cetjournal.it/index.php/cet/article/view/11951https://doaj.org/toc/2283-9216Isolated and aerated benzene degradation in the wastewater using orifice plates as the caviting devices for the hydrodynamic cavitation (HC) reactor was investigated. Initially, calorimetric tests were used to measure the energy efficiency of the HC reactor run at various inlet pressures. At an inlet pressure of 3.0 bar, the maximum energy efficiency of 55.8 % was achieved. In both isothermal and adiabatic treatment conditions, the treatment procedures were compared, and the degree of deterioration in comparison with the isothermal condition was observed in the adiabatic condition. The study related to understanding the impact of inlet pressure has revealed that the maximum degradation of 99.7 % was obtained at 3 bar pressure using the HC's individual activity under adiabatic conditions in 90 min of treatment. The combination of HC and air at different airflow rates were investigated with the best results for maximum benzene depletion at an airflow rate of 65 mL/s. A novel approach to cavitation was also illustrated in terms of the level of degradation, energy demand and operating costs for a small fraction of the overall processing time. The resonant radius from cavitation bubbles aggregates was also calculated based on the strength of the cavitation in both distilled water and aqueous benzene. Overall, important advantages for degradation of benzene along with an understanding of cavitation effects have been shown by HC in combination with air.Awais BokhariJirí Jaromír KlemešSaira AsifAIDIC Servizi S.r.l.articleChemical engineeringTP155-156Computer engineering. Computer hardwareTK7885-7895ENChemical Engineering Transactions, Vol 88 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Chemical engineering TP155-156 Computer engineering. Computer hardware TK7885-7895
spellingShingle	Chemical engineering TP155-156 Computer engineering. Computer hardware TK7885-7895 Awais Bokhari Jirí Jaromír Klemeš Saira Asif Aeration Supported Process Intensification of Waste Water for Degradation of Benzene in an Orifice Type Hydrodynamic Cavitation System
description	Isolated and aerated benzene degradation in the wastewater using orifice plates as the caviting devices for the hydrodynamic cavitation (HC) reactor was investigated. Initially, calorimetric tests were used to measure the energy efficiency of the HC reactor run at various inlet pressures. At an inlet pressure of 3.0 bar, the maximum energy efficiency of 55.8 % was achieved. In both isothermal and adiabatic treatment conditions, the treatment procedures were compared, and the degree of deterioration in comparison with the isothermal condition was observed in the adiabatic condition. The study related to understanding the impact of inlet pressure has revealed that the maximum degradation of 99.7 % was obtained at 3 bar pressure using the HC's individual activity under adiabatic conditions in 90 min of treatment. The combination of HC and air at different airflow rates were investigated with the best results for maximum benzene depletion at an airflow rate of 65 mL/s. A novel approach to cavitation was also illustrated in terms of the level of degradation, energy demand and operating costs for a small fraction of the overall processing time. The resonant radius from cavitation bubbles aggregates was also calculated based on the strength of the cavitation in both distilled water and aqueous benzene. Overall, important advantages for degradation of benzene along with an understanding of cavitation effects have been shown by HC in combination with air.
format	article
author	Awais Bokhari Jirí Jaromír Klemeš Saira Asif
author_facet	Awais Bokhari Jirí Jaromír Klemeš Saira Asif
author_sort	Awais Bokhari
title	Aeration Supported Process Intensification of Waste Water for Degradation of Benzene in an Orifice Type Hydrodynamic Cavitation System
title_short	Aeration Supported Process Intensification of Waste Water for Degradation of Benzene in an Orifice Type Hydrodynamic Cavitation System
title_full	Aeration Supported Process Intensification of Waste Water for Degradation of Benzene in an Orifice Type Hydrodynamic Cavitation System
title_fullStr	Aeration Supported Process Intensification of Waste Water for Degradation of Benzene in an Orifice Type Hydrodynamic Cavitation System
title_full_unstemmed	Aeration Supported Process Intensification of Waste Water for Degradation of Benzene in an Orifice Type Hydrodynamic Cavitation System
title_sort	aeration supported process intensification of waste water for degradation of benzene in an orifice type hydrodynamic cavitation system
publisher	AIDIC Servizi S.r.l.
publishDate	2021
url	https://doaj.org/article/231de4a10100455498e7cfb807a6a99f
work_keys_str_mv	AT awaisbokhari aerationsupportedprocessintensificationofwastewaterfordegradationofbenzeneinanorificetypehydrodynamiccavitationsystem AT jirijaromirklemes aerationsupportedprocessintensificationofwastewaterfordegradationofbenzeneinanorificetypehydrodynamiccavitationsystem AT sairaasif aerationsupportedprocessintensificationofwastewaterfordegradationofbenzeneinanorificetypehydrodynamiccavitationsystem
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Aeration Supported Process Intensification of Waste Water for Degradation of Benzene in an Orifice Type Hydrodynamic Cavitation System

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