Development of nonlinear model for pH system

The control of pH process is a problem frequently encountered in the chemical process and biotechnology industries. It has been recognized as a challenging problem due to the time varying and nonlinear characteristics of the pH processes. This is particularly true when control has to be achieved in...

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Main Author:	Mohamad Fikhri, Nor Azman
Format:	Undergraduates Project Papers
Language:	English English English English
Published:	2010
Subjects:	TP Chemical technology
Online Access:	http://umpir.ump.edu.my/id/eprint/17790/ http://umpir.ump.edu.my/id/eprint/17790/ http://umpir.ump.edu.my/id/eprint/17790/1/Development%20of%20nonlinear%20model%20for%20pH%20system-Table%20of%20contents.pdf http://umpir.ump.edu.my/id/eprint/17790/2/Development%20of%20nonlinear%20model%20for%20pH%20system-Abstract.pdf http://umpir.ump.edu.my/id/eprint/17790/3/Development%20of%20nonlinear%20model%20for%20pH%20system-Chapter%201.pdf http://umpir.ump.edu.my/id/eprint/17790/4/Development%20of%20nonlinear%20model%20for%20pH%20system-References.pdf

id	ump-17790
recordtype	eprints
spelling	ump-177902017-05-31T04:42:20Z http://umpir.ump.edu.my/id/eprint/17790/ Development of nonlinear model for pH system Mohamad Fikhri, Nor Azman TP Chemical technology The control of pH process is a problem frequently encountered in the chemical process and biotechnology industries. It has been recognized as a challenging problem due to the time varying and nonlinear characteristics of the pH processes. This is particularly true when control has to be achieved in the neutral range (a pH betweens 6 to 8) when only strong acid and strong bases are present. The objectives of this research are development mathematical model for pH system, simulation studies under steady and unsteady state condition and validation of mathematical model through experimentation. The model of the pH process applied in this paper known as the principle of physico- chemical dynamic modeling. This model used acetic acid and sodium hydroxide for simulating the behavior of a simple pH process in a time optimal control loop. The mathematical model based on first principles is developed from acetate balance, sodium balance, acetic acid equilibrium, water equilibrium and electroneutrality equation. Then, the model equations are solved in MATLAB environment. The results from the MATLAB simulation program are compared with experimental result to validate the developed fundamental model. The results showed that most of the error between the model and experiment result are within 3% which proved the model has the capability to capture the dynamics of the process. 2010-12 Undergraduates Project Papers NonPeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/17790/1/Development%20of%20nonlinear%20model%20for%20pH%20system-Table%20of%20contents.pdf application/pdf en http://umpir.ump.edu.my/id/eprint/17790/2/Development%20of%20nonlinear%20model%20for%20pH%20system-Abstract.pdf application/pdf en http://umpir.ump.edu.my/id/eprint/17790/3/Development%20of%20nonlinear%20model%20for%20pH%20system-Chapter%201.pdf application/pdf en http://umpir.ump.edu.my/id/eprint/17790/4/Development%20of%20nonlinear%20model%20for%20pH%20system-References.pdf Mohamad Fikhri, Nor Azman (2010) Development of nonlinear model for pH system. Faculty of Chemical & Natural Resources Engineering, Universiti Malaysia Pahang. http://iportal.ump.edu.my/lib/item?id=chamo:58097&theme=UMP2
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English English English English
topic	TP Chemical technology
spellingShingle	TP Chemical technology Mohamad Fikhri, Nor Azman Development of nonlinear model for pH system
description	The control of pH process is a problem frequently encountered in the chemical process and biotechnology industries. It has been recognized as a challenging problem due to the time varying and nonlinear characteristics of the pH processes. This is particularly true when control has to be achieved in the neutral range (a pH betweens 6 to 8) when only strong acid and strong bases are present. The objectives of this research are development mathematical model for pH system, simulation studies under steady and unsteady state condition and validation of mathematical model through experimentation. The model of the pH process applied in this paper known as the principle of physico- chemical dynamic modeling. This model used acetic acid and sodium hydroxide for simulating the behavior of a simple pH process in a time optimal control loop. The mathematical model based on first principles is developed from acetate balance, sodium balance, acetic acid equilibrium, water equilibrium and electroneutrality equation. Then, the model equations are solved in MATLAB environment. The results from the MATLAB simulation program are compared with experimental result to validate the developed fundamental model. The results showed that most of the error between the model and experiment result are within 3% which proved the model has the capability to capture the dynamics of the process.
format	Undergraduates Project Papers
author	Mohamad Fikhri, Nor Azman
author_facet	Mohamad Fikhri, Nor Azman
author_sort	Mohamad Fikhri, Nor Azman
title	Development of nonlinear model for pH system
title_short	Development of nonlinear model for pH system
title_full	Development of nonlinear model for pH system
title_fullStr	Development of nonlinear model for pH system
title_full_unstemmed	Development of nonlinear model for pH system
title_sort	development of nonlinear model for ph system
publishDate	2010
url	http://umpir.ump.edu.my/id/eprint/17790/ http://umpir.ump.edu.my/id/eprint/17790/ http://umpir.ump.edu.my/id/eprint/17790/1/Development%20of%20nonlinear%20model%20for%20pH%20system-Table%20of%20contents.pdf http://umpir.ump.edu.my/id/eprint/17790/2/Development%20of%20nonlinear%20model%20for%20pH%20system-Abstract.pdf http://umpir.ump.edu.my/id/eprint/17790/3/Development%20of%20nonlinear%20model%20for%20pH%20system-Chapter%201.pdf http://umpir.ump.edu.my/id/eprint/17790/4/Development%20of%20nonlinear%20model%20for%20pH%20system-References.pdf
first_indexed	2023-09-18T22:24:46Z
last_indexed	2023-09-18T22:24:46Z
_version_	1777415893218754560

Development of nonlinear model for pH system

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