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A solid adsorbent, namely, a crosslinked quaternized biopolymer containing hydroxide counterions, such as crosslinked quaternized biopolymer-OH was used to remove heat stable salts (HSSs) from amine used in the CO2 capture process. The degree of quaternization (DQ) was 60.57 ± 0.39%. The separation of HSSs formate, acetate, propionate, butyrate, glycolate, oxalate, succinate, sulfate, sulfite, and...
A new adsorbent, trimethyl quaternized biopolmer, synthesized by incorporating a biopolymer with a high concentration of quaternary ammmonium hydroxide reactive site, was used for CO2 adsorption from power plant flue gases. The degree of quaternization and OH conversion were respectively confirmed at 74% and 100% by titration. Based on preliminary tests in dry adsorption, trimethylbiopolymer (TMBP)...
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