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Purification oflignin-based oil
KTH, School of Chemical Science and Engineering (CHE).
2016 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Rening avlignin-baserade oljor (Swedish)
Abstract [en]

The combustion of petroleum-based fuels in the transportation sector is a major contributor to the carbon footprint humans make on the Earth. There is a big need for innovative solutions replacing today’s crude oil based fuels. RenFuel has come up with a pioneering solution to enable co-processing of lignin with crude oil fractions at refineries. This thesis is focused on proof of concept for liquid-liquid extraction purification of lignin-based oil, which will enable further processing to diesel and gasoline additives.

Liquid-liquid extraction has been considered as the method of purification and was prove meet the separation criteria. Later laboratory trials was carried out to find design parameters for the full-scale purification procedure, which has led to a process route that has been suggested. The proposed process route meets the criteria for the separation. On a second thought, the process route will not be recommended for RenFuel´s pilot plant, the main reason for this is that it limits the plant's flexibility. Propositions for alternative purification methods and future research have been presented.

Place, publisher, year, edition, pages
2016.
Keywords [en]
Biofuel, lignin, black liquor, liquid-liquid extraction
National Category
Chemical Process Engineering Paper, Pulp and Fiber Technology Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-207359OAI: oai:DiVA.org:kth-207359DiVA, id: diva2:1096813
Available from: 2017-05-19 Created: 2017-05-19 Last updated: 2017-05-19Bibliographically approved

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