NDLI: Optimizing of operation parameters in EDI process by orthogonal test method

Content Provider	IEEE Xplore Digital Library
Author	Jian Zhao Jianyou Wang
Copyright Year	2011
Description	Author affiliation: College of Environmental Science and Engineering, Nankai University, Tianjin, 300071, China (Jian Zhao; Jianyou Wang)
Abstract	In recent years, electrodeionization technology has been widely used for ultrapure water production. The effects of major operational parameters such as feed hardness, dilute flux and stack voltage on dilute product resistivity and scaling extend were investigated through an orthogonal $experiment(L(3)^{4}).$ The factorial results of Design-Expert software revealed that the interaction of dilute flux and stack voltage influenced the dilute product resistivity most significantly, while the single factor of stack voltage was the main influencing factor on the scaling index (SI), which was proposed to quantify the scaling extend. It was found that dilute product resistivity maximization (16.38 MΩ·cm) and scaling index minimization can be achieved when feed hardness, dilute flux and stack voltage were 3.9 mg/L (as CaCO3), 21 L/h and 14V, respectively, which can be used for designing and operating a large scale process.
Starting Page	2350
Ending Page	2353
File Size	416294
Page Count	4
File Format	PDF
ISBN	9781424494361
e-ISBN	9781424494392
DOI	10.1109/MACE.2011.5987452
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-15
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Orthogonal test Electrodeionization Design-Expert software Conductivity Ions Operation parameters Software Silicon Feeds Mathematical model Indexes
Content Type	Text
Resource Type	Article

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