木质包装废弃物的气化和聚合物复合材料中炭的增值。

IF 7.1 2区 环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL
Vittoria Benedetti , Stefano Piazzi , Marco Scatto , Elisabetta Santello , Markus Kollmer , Grigorios Itskos , Konstantinos Atsonios , Francesco Patuzzi , Marco Baratieri
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引用次数: 0

摘要

本研究探讨了通过气化重新利用木材包装残留物(WPR)的可能性,采用多生成方法,不仅产生气体,还产生木炭,作为聚合物中的填料/颜料。采用商用生物质气化炉对标准颗粒(PS)和wpr衍生颗粒(PW)进行了测试。预处理需要限制PW中的金属污染物,尽管如此,PW的灰分(15.7% vs 11.1 wt%)和金属含量(尤其是铁、铜和铅)都高于PS,从而影响了最终的焦炭组成。虽然原料变化主要影响炭的无机成分和孔隙度,但发现操作条件仅在影响炭孔隙度方面起主导作用(比表面积达到最大值1006 m2/g)。在标准条件下,PW气化产生的焦炭略少(1.1 wt%对1.3 wt%),但实现了更高的冷气效率(60.7%对56.6%)。所得到的炭在聚合物基质中进行了测试,表现良好,作为黑色颜料,拉伸性能降低最小,因此提供了炭黑的可持续替代品。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Gasification of wood packaging waste and valorization of char in polymer composites
This study explores the possibility of repurposing wood packaging residues (WPR) through gasification, adopting a polygenerative approach yielding not only gas, but also char to be valorized as a filler/pigment in polymers. A commercial biomass gasifier was used to test standard pellets (PS) and WPR-derived pellets (PW). Pretreatment was needed to limit metal contaminants in PW, which nonetheless showed higher ash (15.7 vs. 11.1 wt%), and metal content (especially Fe, Cu, and Pb) than PS, affecting the resulting char composition. While feedstock variations primarily affected the inorganic composition and the porosity of the char, operating conditions were found to play a dominant role only in influencing char porosity (with the specific surface area reaching the maximum value of 1006 m2/g). Under standard conditions, PW gasification yielded slightly less char (1.1 vs. 1.3 wt%) but achieved higher cold gas efficiency (60.7 % vs. 56.6 %). The resulting char was tested in polymer matrices, performing well as a black pigment with minimal reduction in tensile properties, thus offering a sustainable alternative to carbon black.
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来源期刊
Waste management
Waste management 环境科学-工程:环境
CiteScore
15.60
自引率
6.20%
发文量
492
审稿时长
39 days
期刊介绍: Waste Management is devoted to the presentation and discussion of information on solid wastes,it covers the entire lifecycle of solid. wastes. Scope: Addresses solid wastes in both industrialized and economically developing countries Covers various types of solid wastes, including: Municipal (e.g., residential, institutional, commercial, light industrial) Agricultural Special (e.g., C and D, healthcare, household hazardous wastes, sewage sludge)
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