沼渣和木屑气化:不同气化剂的比较

IF 7.2 2区 工程技术 Q1 CHEMISTRY, APPLIED
Pavel Milčák, Marek Baláš, Martin Lisý, Hana Lisá, Petr Kracík, Jakub Lachman
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引用次数: 0

摘要

沼渣是沼气厂发酵过程的二次产物。沼渣用作肥料非常普遍。然而,如今这种做法越来越受到限制,因此人们开始寻求沼渣的替代用途。本文介绍的研究绘制了利用湿发酵工艺产生的沼渣生产合成气的可能性图。这项工作的重点是沼渣与云杉屑混合物的气化。混合物的沼渣比例分别为 0、25、50、75 和 100%。实验在常压下的半运行流化床气化炉上进行。流化床的工作温度为 810 °C;气化过程为自热式。对每种燃料混合物使用了三种气化剂,即空气、空气-蒸汽和氧气-蒸汽。研究的目的是评估含有木屑的沼渣对合成气定性和定量特性的影响。沼渣可作为二次能源,减少一次能源的消耗。产生的合成气质量很高,沼渣可以成为合成气生产中非常理想的燃料。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Digestate and woodchips gasification: A comparison of different gasifying agents

Digestate is the secondary product of the fermentation process in biogas plants. The use of digestate as a fertilizer is very common. However, this is more and more limited nowadays and therefore alternative uses for digestate are sought. The research described in this article maps the possibilities of using digestate from the wet fermentation process for the syngas generation. This work is focuses on the gasification of the digestate with spruce chips mixtures. The mixtures were prepared with a proportion of 0, 25, 50, 75 and 100% of the digestate. The experiments were carried out on a semi-operational fluidized bed gasifier at atmospheric pressure. The working temperature of the fluidized bed was 810 °C; the gasification was autothermal. The gasification was carried out with three types of gasification agents, i.e. air, air-steam, and oxygen-steam for each fuel mixture. The aim of the research was to assess the effect of the digestate with wood chips on the qualitative and quantitative properties of the syngas. The digestate can be characterized as a secondary energy source reducing the consumption of primary energy sources. The produced syngas is of high quality and the digestate can become a very desirable fuel for the syngas production.

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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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