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Investigators at Tsinghua University Describe Findings in Chemical Engineering

May 14, 2014



By a News Reporter-Staff News Editor at Journal of Engineering -- Current study results on Chemical Engineering have been published. According to news reporting out of Beijing, People's Republic of China, by VerticalNews editors, research stated, "Different amounts of Y2O3 were incorporated into CaO through a sol-gel combustion method and compared with two naturally occurring sorbent and CaO derived from calcium acetate on CO2 capture performance. XRD, SEM, TEM and N-2 adsorption results revealed that homogeneously dispersed Y2O3 nanoparticles notably improved the sorbent morphology, and therefore the capture performance."

Our news journalists obtained a quote from the research from Tsinghua University, "The carbonation rate in the fast stage was greatly enhanced via Y2O3 addition and a linear relationship was established between the maximum carbonation rate and the volume of pores with diameters less than 220 nm. The sorbent containing 20 wt% Y2O3 presented excellent cyclic CO2 capture capacity as well as stability. After 10 cycles it absorbed 0.57 g CO2/g sorbent under mild conditions and still 0.49 g CO2/g sorbent under realistic conditions, respectively. Finally, calcination conditions significantly influenced the sorption performance and sorbent structure."

According to the news editors, the research concluded: "Combined with pore size distribution measurement, enhanced sintering and reactivation, two counteractive roles brought by CO2 addition during calcination, were elucidated."

For more information on this research see: Investigation on a novel CaO-Y2O3 sorbent for efficient CO2 mitigation. Chemical Engineering Journal, 2014;243():297-304. Chemical Engineering Journal can be contacted at: Elsevier Science Sa, PO Box 564, 1001 Lausanne, Switzerland. (Elsevier - www.elsevier.com; Chemical Engineering Journal - www.elsevier.com/wps/product/cws_home/601273)

Our news journalists report that additional information may be obtained by contacting X.Y. Zhang, Tsinghua Univ, Sch Environm, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, People's Republic of China. Additional authors for this research include Z.G. Li, Y. Peng, W.K. Su, X.X. Sun and J.H. Li.

Keywords for this news article include: Asia, Beijing, Chemical Engineering, People's Republic of China

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


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Source: Journal of Engineering


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