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Comprehensive two-dimensional GC with TOF-MS detection: Study of pyrolytic bio-oil of kraft mill residues

机译:具有TOF-MS检测功能的全面二维GC:硫酸盐法制浆厂残渣的热解生物油研究

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摘要

Brazil is a great manufacturer of Eucalyptus pulp and has experienced important improvements in the environmental management in the last decades. However, there are still opportunities for alternative uses of pulp mill residues, which may result in higher added value products. Qualitative and semi-quantitative characterizations of bio-oil composition of three pulp mill residues (Eucalyptus sawdust, digester residue and wastewater treatment sludge) were performed using comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometric detection (GC×GC/TOF-MS). The best pyrolysis conditions achieved for the digester residue were applied to the other residues and similar bio-oils were obtained for sawdust and digester residue, while sludge rendered a more complex pyrolysate. The advantages of GC×GC/TOF-MS for this specific application are presented, as well as the potential of bio-oil components for important industrial applications.
机译:巴西是桉树纸浆的重要生产国,并且在过去的几十年中在环境管理方面取得了重要的进步。但是,仍然有替代使用制浆厂残留物的机会,这可能会导致更高附加值的产品。使用具有飞行时间质谱检测功能的全面二维气相色谱仪(GC×GC /)对三种制浆厂残留物(桉木锯末,消化器残留物和废水处理污泥)的生物油成分进行定性和半定量表征。 TOF-MS)。将消化器残留物获得的最佳热解条件应用于其他残留物,而木屑和消化器残留物获得了类似的生物油,而污泥则提供了更复杂的热解产物。介绍了GC×GC / TOF-MS在此特定应用中的优势,以及生物油成分在重要工业应用中的潜力。

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