Invention Grant
- Patent Title: Method for dissolving lignocellulosic biomass
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Application No.: US17407125Application Date: 2021-08-19
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Publication No.: US11492737B1Publication Date: 2022-11-08
- Inventor: Emmanuel Galiwango , Ali H. Al-Marzouqi , Sabeera Haris
- Applicant: UNITED ARAB EMIRATES UNIVERSITY
- Applicant Address: AE Al Ain
- Assignee: UNITED ARAB EMIRATES UNIVERSITY
- Current Assignee: UNITED ARAB EMIRATES UNIVERSITY
- Current Assignee Address: AE Al Ain
- Agency: Nath, Goldberg & Meyer
- Agent Richard C. Litman
- Main IPC: B27N1/00
- IPC: B27N1/00 ; C08H8/00 ; D21B1/02 ; D21B1/06 ; D04H1/425 ; D21B1/04 ; D01D5/00 ; D04H1/728 ; D01D1/02 ; D21B1/16 ; D01F2/02 ; B29C69/00 ; B29K1/00

Abstract:
A method of dissolving lignocellulosic biomass waste includes obtaining raw lignocellulosic biomass waste, reducing a size of the biomass waste to provide a biomass particle size of less than about 200 μm; using dimethyl sulfoxide (DMSO), sodium hydroxide (NaOH) and trifluoroacetic acid (TFA) solvents to dissolve the biomass particles and achieve a dissolved lignocellulose solution. The present method dissolves at least about 94% of the lignocellulose fraction in the waste biomass. In an embodiment, the biomass particle size can be about 180 μm.
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