NDLI: Removal of organic compounds from aqueous solutions by electron radiation technique

Content Provider	IEEE Xplore Digital Library
Author	Lubicki, P. Cross, J.D. Jayaram, S.
Copyright Year	1998
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Waterloo Univ., Ont., Canada (Lubicki, P.)
Abstract	The paper describes the experiment concerning low and medium energy electron beam water treatment. The design and construction of the lab scale electron beam water treatment apparatus are described. The irradiator can utilize two types of electron permeable windows, namely 15 /spl mu/m or 25 /spl mu/m titanium foils, and 10 /spl mu/m boron nitride ceramic window. The electron beam is generated in high vacuum (<10/sup -5/ Pa). The closed water circulation system enables adjustment of the dose of electron radiation not only by the beam power and flow rate of water but also by varying treatment time. The dependence of relative concentration on absorbed dose of electron radiation is presented for several contaminants, such as trichloroethylene (TCE), benzene, toluene, chloroform and nitrobenzene. The absorbed dose was calculated on the basis of the measurements of the current transmission and electron energy attenuation while the electron beam passes the permeable window. Effect of electron beam power utilization, accelerating voltage and beam current on the removal rate of the contaminants is presented. The obtained results suggest that the relative content of organic contamination decreases exponentially with an increase in the absorbed dose. It has been found that a substantial removal of the investigated contaminants (80-99%) can be obtained for a relatively low voltage range (100-180 kV).
Starting Page	1853
Ending Page	1860
File Size	841696
Page Count	8
File Format	PDF
ISBN	0780349431
ISSN	01972618
DOI	10.1109/IAS.1998.729835
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-10-12
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Boron Electron beams Current measurement Energy measurement Permeability measurement Titanium Attenuation measurement Ceramics Structural beams Organic compounds
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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