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Process systems engineering approaches to speed-up the auto-titrator operations

Authors
Lee, JietaeLee, Tae HunLee, SeungjaeYang, Dae Ryook
Issue Date
May-2009
Publisher
KOREAN INSTITUTE CHEMICAL ENGINEERS
Keywords
Auto-titrator; pH; Equivalence Point; Titration Curve
Citation
KOREAN JOURNAL OF CHEMICAL ENGINEERING, v.26, no.3, pp.636 - 640
Indexed
SCIE
SCOPUS
KCI
Journal Title
KOREAN JOURNAL OF CHEMICAL ENGINEERING
Volume
26
Number
3
Start Page
636
End Page
640
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/120169
DOI
10.1007/s11814-009-0106-x
ISSN
0256-1115
Abstract
Acid-base titration is widely used in the fields of chemical engineering, environmental engineering, agriculture, and medical science. The auto-titrator is a commercial apparatus that carries out the titration operation automatically and provides equivalence point data. For some test samples and operating conditions, titration operations require up to 5 minutes. Here, we propose a method to reduce this operation time. For this, process systems engineering approaches such as alternative dosing of titrating and sample solutions, reducing sensor time-constant with a lead-lag filter and parameter identification technique have been applied. Simulations and experimental results with test equipment for auto-titration show the performance of the proposed method.
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