Determination of Multielement in Industrial Wastewater Using Artifical Neural Network and Spectrophotometry

GUAN Di; XIE Qinglan; WANG Jiming; ZHANG Yanyan

Volume 20 Issue 1

Feb. 2007

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Journal of Southwest Jiaotong University > 2007 > 20(1): 129-132.

GUAN Di, XIE Qinglan, WANG Jiming, ZHANG Yanyan. Determination of Multielement in Industrial Wastewater Using Artifical Neural Network and Spectrophotometry[J]. Journal of Southwest Jiaotong University, 2007, 20(1): 129-132.

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GUAN Di, XIE Qinglan, WANG Jiming, ZHANG Yanyan. Determination of Multielement in Industrial Wastewater Using Artifical Neural Network and Spectrophotometry[J]. Journal of Southwest Jiaotong University, 2007, 20(1): 129-132.

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Determination of Multielement in Industrial Wastewater Using Artifical Neural Network and Spectrophotometry

Received Date: 10 Jan 2006
Publish Date: 25 Feb 2007

Abstract

Abstract

In order to quickly test two groups of elements with overlapping absorption spectrum,Cd and Co,and Cr and Fe,in industrial wastewater,a novel method was proposed.With this method,the contents of the two elements in each of the two grounds can be tested synchronously and they need not to be separated.In the method,the color system of 4-(2-pyridyl azo)-resorcin(PAR)-Cd-Co and diphenylcarbazide-Cr-Fe is adopted,the spectrophotometry is utilized to test absorbency,and a drained artificial neural network is used to deal with data.The tested results of synthetical samples show that the recovery ratio of Cd,Co,Cr and Fe is respectively 101%,98%,102% and 98%,and the mean relative error is 1.61%,-0.23%,0.00% and-0.08% respectively.
- artificial neural network,
- spectrophotometry,
- industrial wastewater,
- Cd,
- Co,
- Cr,
- Fe

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