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Combination of Refractometry and Densimetry – A Promising Option for Fast Raw Methanol Analysis
Author(s) -
Martens Marla,
Hadrich Max J.,
Nestler Florian,
Ouda Mohamed,
Schaadt Achim
Publication year - 2020
Publication title -
chemie ingenieur technik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.365
H-Index - 36
eISSN - 1522-2640
pISSN - 0009-286X
DOI - 10.1002/cite.202000058
Subject(s) - refractometry , methanol , raw material , chemistry , chromatography , materials science , process engineering , organic chemistry , refractive index , engineering , optoelectronics
Besides water, raw methanol produced from steel mill gases within the Carbon2Chem® project contains dissolved carbon dioxide. Refractometry and densimetry were investigated as analysis methods to analyze raw methanol samples quickly and reliably. To verify existing calibration curves, a set of standard solutions from pure chemicals was produced. Experimental results differed significantly from published refractive index data, especially in the range of high methanol weight fractions, which are of particular interest for the Carbon2Chem® project.