2013
DOI: 10.1016/j.molcata.2013.05.001
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Lignosulfonate-based heterogeneous sulfonic acid catalyst for hydrolyzing glycosidic bonds of polysaccharides

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Cited by 48 publications
(62 citation statements)
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“…The resinlignosulfonate catalyst was shown to be stable for four 6 h cycles at 150 °C in water. However, hot filtration and additional recycling tests indicated a partial dissolution of the catalyst and leaching of the active sites into the reaction medium [123].…”
Section: Nanocarbon Catalysts and Catalyst Supportsmentioning
confidence: 99%
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“…The resinlignosulfonate catalyst was shown to be stable for four 6 h cycles at 150 °C in water. However, hot filtration and additional recycling tests indicated a partial dissolution of the catalyst and leaching of the active sites into the reaction medium [123].…”
Section: Nanocarbon Catalysts and Catalyst Supportsmentioning
confidence: 99%
“…However, the resin backbone is fragile and can degrade at reaction temperatures above 80 °C. Zhang et al synthesized a resin catalyst based on ligosulfonate co-condensed with phenol and formaldehyde [123]. Lignosulfonate is a cheap waste stream from sulfite pulping during paper manufacturing [123,124].…”
Section: Nanocarbon Catalysts and Catalyst Supportsmentioning
confidence: 99%
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“…The lignin-based acid catalyst was prepared from the precipitated hardwood °C for 4 h. 20 The sulfonation reaction was carried out by adding the sample into 10 mL concentrated sulfuric acid, 23 and the suspension was stirred at 150 °C for 2 h. The black solid material was filtered and thoroughly washed repeatedly with hot and cold water until no sulfur-containing were detected in the wash water. The final product was dried at 105 °C and was evenly crushed with a mortar.…”
Section: Catalyst Preparationmentioning
confidence: 99%
“…20 In this determination, the aqueous 2 mol/L sodium chloride solution (20 mL) and the lignin catalyst (0.1 g) were mixed in an Erlenmayer flask and the mixture was sonicated for 1 h and filtered.…”
Section: Catalyst Characterizationmentioning
confidence: 99%