Transforming non-wood feedstocks into dissolving pulp via organosolv pulping: An alternative strategy to boost the share of natural fibers in the textile industry

Transforming non-wood feedstocks into dissolving pulp via organosolv pulping: An alternative strategy to boost the share of natural fibers in the textile industry

This work evaluates wheat straw, switchgrass, and hemp hurd as potential alternatives for producing dissolving pulp using sulfur dioxide (SO₂)-ethanol-water (SEW) pulping. The SEW process is described in detail for wheat straw, and the best pulping conditions for this feedstock were 130 °C, 4 h, and...

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Veröffentlicht in:Journal of cleaner production 2023-12, Vol.429, p.139394, Article 139394
Hauptverfasser: Vera, Ramon E., Vivas, Keren A., Urdaneta, Fernando, Franco, Jorge, Sun, Runkun, Forfora, Naycari, Frazier, Ryen, Gongora, Stephanie, Saloni, Daniel, Fenn, Larissa, Zhu, J.Y., Chang, Hou-min, Jameel, Hasan, Gonzalez, Ronalds
Format: Artikel
Sprache:eng
Schlagworte:
ash content
environmental impact
feedstocks
hemicellulose
hemp
lignin
Panicum virgatum
pulp
sulfur dioxide
textile industry
viscosity
wheat straw
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Zusammenfassung:This work evaluates wheat straw, switchgrass, and hemp hurd as potential alternatives for producing dissolving pulp using sulfur dioxide (SO₂)-ethanol-water (SEW) pulping. The SEW process is described in detail for wheat straw, and the best pulping conditions for this feedstock were 130 °C, 4 h, and 10% SO₂ concentration, comprised in a sulfur-ethanol-water ratio of 10-45-45. This resulted in a viscose-grade pulp with 93% α-cellulose, 2.0% hemicelluloses,
ISSN:0959-6526
DOI:10.1016/j.jclepro.2023.139394