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Fig. 6 | Bioresources and Bioprocessing

Fig. 6

From: Optimization of ethanol-extracted lignin from palm fiber by response surface methodology and preparation of activated carbon fiber for dehumidification

Fig. 6

Effects of different parameters on the yield of lignin extraction from palm fibers using ethanol: interaction effects of the a extraction time and reaction temperature, b extraction time and ethanol concentration, c extraction time and solid/liquid ratio, d reaction temperature and ethanol concentration, e reaction temperature and solid/liquid ratio, and f ethanol concentration and solid/liquid ratio

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