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The process involves spraying an aqueous sugar solution into a fluidized bed of glass beads. Continuous operation is carried out for more than 90\u2005h with complete conversion and stable product selectivity. Besides glycolaldehyde, the other identified condensed products are pyruvaldehyde (9\u2009%), formaldehyde (7\u2009%), glyoxal (2\u2009%), acetol (2\u2009%), and acetic acid (1\u2009%). The effects of temperature, glucose feed concentration, and type of sugar feedstock are investigated. Cracking the monosaccharides fructose and xylose leads to very different product distributions from glucose, but similar carbon recovery. A reaction network in agreement with the main observed products from cracking of monosaccharide sugars is proposed.<\/jats:p>","DOI":"10.1002\/cssc.201902887","type":"journal-article","created":{"date-parts":[[2019,12,17]],"date-time":"2019-12-17T22:07:30Z","timestamp":1576620450000},"page":"688-692","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":49,"title":["Thermal Cracking of Sugars for the Production of Glycolaldehyde and Other Small Oxygenates"],"prefix":"10.1002","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7394-1299","authenticated-orcid":false,"given":"Christian B.","family":"Schandel","sequence":"first","affiliation":[{"name":"Department of Chemical and Biochemical Engineering Technical University of Denmark  S\u00f8ltofts plads 2800 Kgs. Lyngby Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martin","family":"H\u00f8j","sequence":"additional","affiliation":[{"name":"Department of Chemical and Biochemical Engineering Technical University of Denmark  S\u00f8ltofts plads 2800 Kgs. Lyngby Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christian M.","family":"Osmundsen","sequence":"additional","affiliation":[{"name":"Haldor Tops\u00f8e A\/S  Haldor Tops\u00f8es All\u00e9 1 2800 Kgs. Lyngby Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anker D.","family":"Jensen","sequence":"additional","affiliation":[{"name":"Department of Chemical and Biochemical Engineering Technical University of Denmark  S\u00f8ltofts plads 2800 Kgs. 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