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Journal of Applied Sciences
  Year: 2014 | Volume: 14 | Issue: 11 | Page No.: 1198-1203
DOI: 10.3923/jas.2014.1198.1203
 
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Prediction of the Concentration of Diethanolamine (DEA) and Methyldiethanolamine (MDEA) Aqueous Solutions by Using Raman Spectroscopy

Muhammad Zubair Shahid, Abdulhalim Shah Maulud and M. Azmi Bustam

Abstract:
Aqueous solutions of alkanolamines such as DEA and MDEA in different concentrations have been using for many years to remove carbon dioxide from natural gas. The concentration monitoring of amine solution is an important objective to ensure the gas absorption process is properly functioning and optimized. Raman spectroscopy is a suitable quick response technique to predict the composition of aqueous solutions at offline and online situations, because of its weak Raman scattering property for water. In this work, aqueous solutions of DEA and MDEA are prepared over different concentrations and their Raman spectra are recorded in offline situation. Three significant wave numbers for each of DEA (1292.3, 1065, 1465.2 cm-1) and MDEA (338, 745.4, 1458.5 cm-1) were identified and found that 1465.2 and 1458.5 cm-1 respectively are the best linear fit.
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How to cite this article:

Muhammad Zubair Shahid, Abdulhalim Shah Maulud and M. Azmi Bustam, 2014. Prediction of the Concentration of Diethanolamine (DEA) and Methyldiethanolamine (MDEA) Aqueous Solutions by Using Raman Spectroscopy. Journal of Applied Sciences, 14: 1198-1203.

DOI: 10.3923/jas.2014.1198.1203

URL: https://scialert.net/abstract/?doi=jas.2014.1198.1203

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