利用质子离子液体和深共晶溶剂作为潜在的生物精炼原料对造纸厂污泥进行氧化

IF 1.7 4区农林科学 Q2 MATERIALS SCIENCE, PAPER & WOOD

Journal of Wood Chemistry and Technology Pub Date : 2022-06-13 DOI:10.1080/02773813.2022.2085746

Nazife Isik Haykir, Bensu Unal, Nazligul Simsek, Şamil Ercan Özcan

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引用次数: 3

摘要

摘要本文研究了利用质子离子液体(pil)和深度共熔溶剂(DESs)来提高某卫生造纸厂造纸污泥(PMS)中纤维素的含量。采用XRF、SEM、FTIR、XRD、TGA等方法对PMS的组成、形态、理化、热分解等特征进行了表征。硫酸氢三乙基铵(TEAHSO4)选择性地消除了PMS的矿物学含量和纤维素富集，经150℃预处理后，PMS的纤维素含量从45%提高到74%。尽管氯胆碱-尿素等DESs的脱矿性不如pls，但它们能有效地保留纤维素的结构，并提供令人满意的糖化率，达到90%以上。除了在文献中首次将pls和DESs的可持续效益整合到PMS的价值评估中之外，这项工作还强调了PMS作为生物炼制应用中富含纤维素的原料的能力。

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Valorization of paper mill sludge using protic ionic liquids and deep eutectic solvents as a potential feedstock for biorefineries

Abstract In this article, protic ionic liquids (PILs) and deep eutectic solvent (DESs) were explored to enrich the cellulose content of a paper mill sludge (PMS) received from a sanitary paper manufacturing plant. Compositional, morphological, physico-chemical, and thermal decomposition features of PMS were monitored using XRF, SEM, FTIR, XRD, and TGA. Triethylammonium hydrogen sulfate (TEAHSO4), which functioned selectively for the elimination of mineralogical content and cellulose enrichment of PMS, enhanced the cellulose content of the material from 45% to 74% following the pretreatment at 150 °C. Though DESs such as choline chloride-urea behaved poorly toward demineralization relative to PILs, they preserved cellulose effectively in the structure and gave satisfactory saccharification yields that reached over 90%. In addition to integrating the sustainable benefits of PILs and DESs into the valorization of PMS for the first time in literature, this work highlighted the competency of PMS as a cellulose-rich feedstock for biorefinery applications.

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来源期刊

Journal of Wood Chemistry and Technology 工程技术-材料科学：纸与木材

CiteScore

3.70

自引率

20.00%

发文量

审稿时长

3 months

期刊介绍： The Journal of Wood Chemistry and Technology (JWCT) is focused on the rapid publication of research advances in the chemistry of bio-based materials and products, including all aspects of wood-based polymers, chemicals, materials, and technology. JWCT provides an international forum for researchers and manufacturers working in wood-based biopolymers and chemicals, synthesis and characterization, as well as the chemistry of biomass conversion and utilization. JWCT primarily publishes original research papers and communications, and occasionally invited review articles and special issues. Special issues must summarize and analyze state-of-the-art developments within the field of biomass chemistry, or be in tribute to the career of a distinguished researcher. If you wish to suggest a special issue for the Journal, please email the Editor-in-Chief a detailed proposal that includes the topic, a list of potential contributors, and a time-line.