Study of Biopolymer Modified with Arginine for CO<sub>2</sub> Adsorption
Sae-Jae, K.
Saiwan, C.
Tontiwachwuthikul, P.
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Sae-Jae K., Saiwan C., Tontiwachwuthikul P., 2012, Study of Biopolymer Modified with Arginine for CO2 Adsorption, Chemical Engineering Transactions, 29, 205-210.
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Greenhouse gases (GHG) are not only carbon dioxide, but also methane, nitrous oxide, ozone, etc. Carbon dioxide is most concerned because it is the largest amount is mainly released into the atmosphere by anthropogenic activities, especially burning of burden fossil fuels for energy since industrialzation age. Carbon dioxide emission reduction is a global. A new type of adsorbent for carbon dioxide adsorption synthesized from biopolymer and amino acid, arginine was studied. Biopolymer- arginine was produced by reacting amino groups of biopolymer with carboxylic group of arginine.There were three effects studied to improve the degree of substitution, i.e. mole ratio of CA to biopolymer, reaction time, and mole ratio of arginine to biopolymer. The chemical structure and physical properties of biopolymer-arginine were characterized by Fourier transform infared, liquid chromatography, thermal gravimetric analysis. Result showed various degree of substitution from 5.21 to 76.41 %.
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