| Title |
Analysis of the product streams obtained on butanosolv pretreatment of draff |
| ID_Doc |
29160 |
| Authors |
Foltanyi, F; Hawkins, JE; Panovic, I; Bird, EJ; Gloster, TM; Lancefield, CS; Westwood, NJ |
| Title |
Analysis of the product streams obtained on butanosolv pretreatment of draff |
| Year |
2020 |
| Published |
|
| DOI |
10.1016/j.biombioe.2020.105680 |
| Abstract |
The efficient use of biomass-derived waste streams from the food and drink industry is very important for achieving a circular economy. In this work, a pretreatment based on 1-butanol (butanosolv) was used to fractionate draff, a by-product from the brewing and distilling industries, leading to a solid pulp, a hemicellulose derived-fraction and a pseudo lignin. The pulp was enriched in glucans and showed a 4-fold improvement in enzymatic hydrolysis experiments relative to the starting biomass. The pulp could be fermented in an ABE process producing 32g/100g of solvents. The hemicellulose-derived fraction was analysed by 2D HSQC NMR and found to contain a mixture of predominantly butoxylated monosaccharides. The hydrolase enzymes present in Cellic (R) CTec3 were used to hydrolyse selectively the glucose and xylose derived butyl beta-pyranose monomers. Alternatively, non-selective hydrolysis of both anomers was achieved using TFA/H2O giving native sugars for fermentation and recovered 1-butanol. A detailed characterization of the pseudo lignin was also achieved. |
| Author Keywords |
Sustainable chemistry; Biomass; Draff; ABE fermentation; Hemicellulose |
| Index Keywords |
Index Keywords |
| Document Type |
Other |
| Open Access |
Open Access |
| Source |
Science Citation Index Expanded (SCI-EXPANDED) |
| EID |
WOS:000572854500005 |
| WoS Category |
Agricultural Engineering; Biotechnology & Applied Microbiology; Energy & Fuels |
| Research Area |
Agriculture; Biotechnology & Applied Microbiology; Energy & Fuels |
| PDF |
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