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Thermogravimetric study of biomass, sewage sludge and coal combustion

机译：生物质，污水污泥和燃煤的热重研究

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摘要

The main aim of the paper was presentation of TG, DTG, and DTA results on the combustion of two different biomasses, sewage sludge and coal and their co-combustion when the biomass and sludge are mixed with coal. The products of the combustion were identified by mass spectrometry and the composition of ash of the fuels evaluated. Thermal analysis has been generally used to characterise the thermal decomposition of biomass, coal and, more recently, sewage sludge. Thermogravimetric analysis is the easiest and the most effective technique to observe the combustion profile of a fuel. The advantage of this analysis is its rapid assessment of the fuel value, the temperatures at which combustion starts and ends and other characteristics, such as maximum reactivity temperature, ash amount and total combustion time. The materials were characterised in terms of their proximate and ultimate analysis and calorific value. The performed investigation of studied fuels combustion and gas composition analysis from TG/ DTG and MS experiments have confirmed the variety of their combustion behaviour. The most important results focus on the temperature of maximum weight loss rate and the effect of heating rate. The temperature of maximum weight loss rate were dissimilar (DTG profiles) for studied fuels and the effect of heating rate significantly influenced the TG/DTG curves profiles, too. The co-combustion of coal and sewage sludge or biomass results have shown that coal can be burned with biomass and sewage sludge beneficially.
机译：本文的主要目的是介绍TG，DTG和DTA对两种不同生物质，污水污泥和煤的燃烧以及当生物质和污泥与煤混合时它们的共燃烧的结果。通过质谱鉴定燃烧产物，并评估燃料的灰分组成。热分析通常被用来表征生物质，煤以及最近的污水污泥的热分解。热重分析是观察燃料燃烧曲线的最简单，最有效的技术。这种分析的优点是可以快速评估燃料值，燃烧开始和结束时的温度以及其他特性，例如最大反应温度，灰分量和总燃烧时间。通过对材料的近期和最终分析以及热值对其进行表征。通过TG / DTG和MS实验对燃料燃烧和气体成分分析进行的研究已经证实了其燃烧行为的多样性。最重要的结果集中在最大失重速率的温度和加热速率的影响上。对于所研究的燃料，最大失重率的温度不同（DTG曲线），并且加热速率的影响也显着影响了TG / DTG曲线。煤和污水污泥或生物质的共燃结果表明，煤可以与生物质和污水污泥一起燃烧。

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  • 来源
    《Energy Conversion & Management》 |2013年第11期|425-430|共6页
  • 作者

    Aneta Magdziarz; Malgorzata Wilk;

  • 作者单位

    ACH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, Al. Mickiewicza 30, 30-059 Krakow, Poland;

    ACH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, Al. Mickiewicza 30, 30-059 Krakow, Poland;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Combustion; Biomass; Sewage sludge; Thermal analysis;

    机译：燃烧;生物质污水污泥;热分析;

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