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Development and application of integ...

Kim, Doo-Il.

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Development and application of integrated ozone contactor design and optimization tools.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Development and application of integrated ozone contactor design and optimization tools./
作者:	Kim, Doo-Il.
面頁冊數:	202 p.
附註:	Adviser: Jae-Hong Kim.
Contained By:	Dissertation Abstracts International68-07B.
標題:	Engineering, Environmental. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3271534
ISBN:	9780549107347

Development and application of integrated ozone contactor design and optimization tools.
Kim, Doo-Il.

Development and application of integrated ozone contactor design and optimization tools. - 202 p.

Adviser: Jae-Hong Kim.

Thesis (Ph.D.)--Georgia Institute of Technology, 2007.

Superposition of complex chemical and biological reactions over non-ideal mixing conditions in ozone contactors accounts for difficulties in design and optimization of ozone disinfection processes in practice to simultaneously achieve maximum disinfection efficiency and minimum disinfection by-product formation. Needs for practical tools, which can help designers and plant operators to solve these complex issues, are fast growing after promulgation of LT2SWTR in the United States. Novel integrated ozone contactor design and optimization tools which consist of an instrument that measures ozone decay kinetics, a program that performs predictive simulation, and an experimental method to examine mixing characteristics within the ozone contactor, were developed in this study.

ISBN: 9780549107347Subjects--Topical Terms:

783782
Engineering, Environmental.

Development and application of integrated ozone contactor design and optimization tools.
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245 1 0 $a Development and application of integrated ozone contactor design and optimization tools.
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520 $a Superposition of complex chemical and biological reactions over non-ideal mixing conditions in ozone contactors accounts for difficulties in design and optimization of ozone disinfection processes in practice to simultaneously achieve maximum disinfection efficiency and minimum disinfection by-product formation. Needs for practical tools, which can help designers and plant operators to solve these complex issues, are fast growing after promulgation of LT2SWTR in the United States. Novel integrated ozone contactor design and optimization tools which consist of an instrument that measures ozone decay kinetics, a program that performs predictive simulation, and an experimental method to examine mixing characteristics within the ozone contactor, were developed in this study.
520 $a A multi-channel stopped-flow reactor (MC-SFR) is an instrument that performs automatic, real-time, and continuous analysis of ozone decay kinetics in natural waters. Ozone Contactor Model (OCM) is the software to simulate the performance of full-scale ozone bubble-diffuser contactors in support of current and future regulations regarding pathogen and bromate control in drinking water. The MC-SFR and OCM developed in this study were further applied to simulate Cryptosporidium parvum oocyst log inactivation and bromate formation in Linnwood Water Plant Ozone Facility (LWPOF) at Milwaukee Water Works, Milwaukee, WI and model predictions were verified with experimental results. Three dimensional laser induced fluorescence (3DLIF) allowed real time characterization of mixing conditions in a physical model ozone contactors by capturing fluorescence image emitted from a laser dye (i.e. Rhodamine 6G) using a high speed CCD camera. 3DLIF system was applied to analyze the hydrodynamics of two representative types of ozone contactor: direct discharge side-stream venturi injector (SVI) and multi-chambered fine bubble diffuser (FBD). Experimental results verified the presence of circulative swirling related for low dispersion for SVI reactor and the existence of non-ideal flow including short circuiting and internal recirculation in FBD reactor. Finally, integrated tools were applied to the design of a new ozone contactor under planning stage to assess current design and to recommend the improvement.
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