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US 11,898,014 B2Granted
Bitumen compositions comprising lignin
AssigneeInbicon A/S
InventorsDuy Michael Le, Mia Frosch Mogensbæk Foverskov
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Abstract
The current invention concerns composition comprising bitumen, one or more plasticity modifying agent(s), and lignin, as well as methods and uses related to such compositions. In particular, compositions are disclosed with improved properties, such as mixing properties.
Claims38
A composition comprising bitumen, one or more plasticity modifying agent(s), lignin, and optionally one or more further component(s);
- wherein said lignin has a Lignin Ion Exchange Capacity (LIEC) of 0.4 mol/kg dry matter (DM) or less.
A composition comprising bitumen, one or more plasticity modifying agent(s), lignin, and optionally one or more further component(s);
- wherein said lignin is obtained by a process for treatment of a lignocellulosic biomass, said process comprising:
- a) subjecting lignocellulosic biomass to hydrothermal pretreatment resulting in a hydrothermally pretreated lignocellulosic biomass;
- b) following step (a), subjecting at least part of said hydrothermally pretreated lignocellulosic biomass obtained in step (a) to a hydrolysis resulting in a liquid fraction comprising soluble carbohydrates, and a fiber fraction comprising a lignin component, wherein said hydrolysis is an acid catalyzed hydrolysis and/or enzymatic hydrolysis;
- c) optionally, following step (b), subjecting at least part of the liquid fraction obtained in step (b) to a fermentation in order to ferment at least part of said soluble carbohydrates to a fermentation product, thereby obtaining a fermentation broth,
- wherein said lignin has a Lignin Ion Exchange Capacity (LIEC) of 0.4 mol/kg dry matter (DM) or less.
2 more elements
Dependencies are inferred from the claim text.