Open AccessInvestigation of several surfactant use strategies to improve the hydrolysis of glucan in newspaper
Author(s) -
Leo-Paul Vaurs,
S. Heaven,
C.J. Banks
Publication year - 2020
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.179
H-Index - 26
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/475/1/012072
Subject(s) - pulmonary surfactant , hydrolysis , polyethylene glycol , chemistry , sugar , newspaper , chromatography , glucan , enzymatic hydrolysis , food science , pulp and paper industry , biochemistry , advertising , business , engineering
Newspaper represent a large quantity of a relatively cheap and available source of lignocellulose. Newspaper could enzymatically be hydrolysed into fermentable sugars for further bioethanol or biochemical production. Low glucan conversions (20-50%) have been generally found in literature, thus this led to the investigations of multiple pre-treatments to improve sugars release. Surfactants such as sodium dodecyl sulphate (SDS), Tween 80 and polyethylene glycol represent a relatively low-cost pre-treatment to improve newspaper hydrolysability. Several surfactants use strategies were tested using the 3 products mentioned earlier. A simple mass, cost and energy model was developed to determine the optimum surfactant pre-treatment. SDS wash using 0.5% SDS based on total solids (TS) gave the most promising results: it released 82 kg of the cheapest produced sugars (0.7£ kg-1 sugar).