在连续流反应器中生产木质素喷气燃料的同时解聚和加氢脱氧工艺

IF 7.2 2区 工程技术 Q1 CHEMISTRY, APPLIED
Adarsh Kumar , David C. Bell , Zhibin Yang , Joshua Heyne , Daniel M. Santosa , Huamin Wang , Peng Zuo , Chongmin Wang , Ashutosh Mittal , Darryl P. Klein , Michael J. Manto , Xiaowen Chen , Bin Yang
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引用次数: 0

摘要

经济地生产木质素基喷气燃料(LJF)可提高可持续航空燃料(SAF)的可持续性,并减少整体温室气体排放。然而,将生物炼制中的技术木质素聚合物直接连续转化为喷气燃料是一项挑战。在这项工作中,我们首次展示了一种同时解聚和加氢脱氧(SDHDO)工艺,该工艺使用工程化 Ru-HY-60-MI 催化剂在连续流反应器中从碱玉米秸秆木质素(ACSL)中生产木质素基喷气燃料。LJF 的最大碳产量为 17.9 wt%,其中包括 60.2 wt% 的单环烷烃和 21.6 wt% 的多环烷烃。Ru-HY-60-MI 的催化剂表征表明,催化剂工程后,HY 沸石的结构及其结晶度没有发生显著变化。在 SDHDO 实验后进行的催化剂表征表明,催化剂中存在碳和 K 含量。废催化剂中的 K 含量是由于 K+ 离子在木质素溶液和 HY-60 之间进行了交换,而碳的存在则验证了催化剂表面的 SDHDO 化学反应。Tier α 燃料性能测试表明,使用 SDHDO 化学方法生产 LJF 可以为飞机生产出兼容性高、密封性好、低排放和高能量密度的 SAF。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

A simultaneous depolymerization and hydrodeoxygenation process to produce lignin-based jet fuel in continuous flow reactor

A simultaneous depolymerization and hydrodeoxygenation process to produce lignin-based jet fuel in continuous flow reactor

Economical production of lignin-based jet fuel (LJF) can improve the sustainability of sustainable aviation fuels (SAFs) as well as can reduce the overall greenhouse gas emissions. However, the challenge lies in converting technical lignin polymer from biorefinery directly to jet fuel in a continuous operation. In this work, we demonstrate a simultaneous depolymerization and hydrodeoxygenation (SDHDO) process to produce lignin-based jet fuel from the alkali corn stover lignin (ACSL) using engineered Ru-HY-60-MI catalyst in a continuous flow reactor, for the first time. The maximum carbon yield of LJF of 17.9 wt% was obtained, and it comprised of 60.2 wt% monocycloalkanes, and 21.6 wt% polycycloalkanes. Catalyst characterization of Ru-HY-60-MI suggested there was no significant change in HY zeolite structure and its crystallinity after catalyst engineering. Catalyst characterizations performed post the SDHDO experiments indicate presence of carbon and K content in the catalyst. K content presence in the spent catalyst was due to K+ ion was exchanged between lignin solution and HY-60 while carbon presence validated the SDHDO chemistry on the catalyst surface. Tier α fuel property testing indicates that LJF production using SDHDO chemistry can produce SAF with high compatibility, good sealing properties, low emissions, and high energy density for aircraft.

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来源期刊
Fuel Processing Technology
Fuel Processing Technology 工程技术-工程:化工
CiteScore
13.20
自引率
9.30%
发文量
398
审稿时长
26 days
期刊介绍: Fuel Processing Technology (FPT) deals with the scientific and technological aspects of converting fossil and renewable resources to clean fuels, value-added chemicals, fuel-related advanced carbon materials and by-products. In addition to the traditional non-nuclear fossil fuels, biomass and wastes, papers on the integration of renewables such as solar and wind energy and energy storage into the fuel processing processes, as well as papers on the production and conversion of non-carbon-containing fuels such as hydrogen and ammonia, are also welcome. While chemical conversion is emphasized, papers on advanced physical conversion processes are also considered for publication in FPT. Papers on the fundamental aspects of fuel structure and properties will also be considered.
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