OPEFB pretreatment using the low-cost N,N,N-dimethylbutylammonium hydrogen sulfate ionic liquid under varying conditions.

Sci Rep · 2023 · PMC10724162 · PMID 38102175

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an increasing trendno p-value reported

At 120 °C, both lignin and hemicellulose removal showed an increasing trend as the period extended from 0.5 to 2 h.

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a decreasing trendno p-value reported

In contrast, lignins obtained from pretreatment at 170 °C showed a decreasing trend in M w with its corresponding M n and Đ over time, suggesting that the lignin depolymerisation was favoured over lignin cross-condensation at this temperature.

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