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Lignin transformations to chemicals
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Kemiska institutionen. Åbo Akad Univ, Proc Chem Ctr, Ind Chem & React Engn, FIN-20500 Turku, Finland.
Vise andre og tillknytning
2013 (engelsk)Inngår i: Proceedings of the 1st INTERNATIONAL CONFERENCE ON CHEMICAL TECHNOLOGY / [ed] Kalenda, P., Lubojacky, J., Czech Chemical Society , 2013, s. 382-388Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Sodium lignosulfonate was decomposed at 320 degrees C and 130 bar over various catalysts. Zeolites Beta modified with 0.5 % of Pt showed important effect of Al content in the support on product yields. Alumina-supported NiO was also found as active in lignosulfonate decomposition to guaiacol: Moreover, the contact time of substrate with the active centers was identified as the key reaction factor in lignosulfonate decomposition. Model compounds of lignin decomposition were hydrodeoxygenated at 180 degrees C and 5 MPa over Pt modified zeolites Beta. Dealuminated zeolite was found as more active in phenol conversion than zeolite with similar Si/Al ratio obtained by direct synthesis. Reactivity of cresols increased in order m>o>p for catalyst with higher Si/Al ratio, decrease of Al content resulted in lower reactivity of cresols and change of reactivity order of isomers to o>m>p.

sted, utgiver, år, opplag, sider
Czech Chemical Society , 2013. s. 382-388
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URN: urn:nbn:se:umu:diva-142780ISI: 000347470000067ISBN: 978-80-86238-55-5 (tryckt)OAI: oai:DiVA.org:umu-142780DiVA, id: diva2:1167309
Konferanse
1st International Conference on Chemical Technology (ICCT), APR 08-10, 2013, Mikulov, CZECH REPUBLIC
Tilgjengelig fra: 2017-12-18 Laget: 2017-12-18 Sist oppdatert: 2018-06-09bibliografisk kontrollert

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