Prof. Xinhua Qi
Chinese Academy of Agricultural Sciences, China
|Title: Quantitative chemocatalytic production of lactic acid fromglucose under anaerobic conditions at room temperature|
Chemical conversion of glucose into lactic acid in water requires harsh reaction conditions to obtain relatively low product yields. Herein, a simple, but highly efficient chemocatalytic process is reported for the production of lactic acid from glucose in the presence of Ba(OH)2 under a nitrogen atmosphere at 1 bar total pressure, where glucosewas selectively converted to lactic acid with a yield of 95.4% at room temperature in 48 h.The processwas applied to cellobiose, fructose, dihydroxyacetone, glyceraldehyde, pyruvaldehyde and cellulose hydrolysate, among which pyruvaldehyde afforded ca. 100% lactic acid yield. Product distribution changed towards glyceric acid, glycolic acid, formic acid, malonic acid and CO2, by variation of O2 partial pressure, which promotes the oxidation of glyceraldehyde and 1,3-dihydroxyacetone intermediates. The process developed has significant advantages over previous methods in aspects of efficiency, conditions, reactor materials and productivity.
Professor Dr. Xinhua Qi received his B.S. degree in environmental chemistry (1998) and Ph.D. in environmental science (2003) from Nankai University (Tianjin, China). From July 2003 to Sep. 2006, he worked in the College of Environmental Science & Engineering of Nankai University. After that, he worked as JSPS Postdoctoral Fellow at Tohoku University (Sendai, Japan) from Oct. 2006 to Nov. 2010. Then he returned back to China and worked at Nankai University (Nov. 2010 to Jan. 2015), where he was promoted to a full professor in 2011. From Jan. 2015, Professor Qi moved to Agro-Environmental Protection Institute (AEPI), Chinese Academy of Agricultural Sciences (Tianjin China). He is currently the director of Research Center of Agro-Ecology and Environmental Governance of AEPI. Professor Qi has a strong background in environmental chemistry, advanced oxidation techniques for wastewater treatment, environmental catalysis and catalytic conversion of lignocellulosic biomass into fuel and chemicals. He has published more than 80 peer review scientiﬁc papers with a number of papers being in top-ranked international journals such as Environmental Science & Technology, Green Chemistry, ChemSusChem and Bioresource Technology. These papers have been cited over 1700 times in ISI Web of Science with H index 21. He also has edited 5 books and 3 book chapters on environmental engineering and biomass resources utilization by catalysis.