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实验和数值技术,以评估煤炭/生物质飞灰混合物的特性和潜力

Usman Khalid¹, Asif Hussain Khoja¹, Syed Sheraz Daood²

¹Fossil Fuels Laboratory, Department of Thermal Energy Engineering, U.S.-Pakistan Centre for Advanced Studies in Energy (USPCAS-E), National University of Sciences & Technology (NUST), Sector H-12, Islamabad 44000, Pakistan.

The Science of the total environment

|December 13, 2023

概括

这项研究优化了用于工业燃烧的煤炭飞灰 (CFA) 和生物质飞灰 (BFA) 混合物. 75%的CFA和25%的BFA混合物减少了废渣和污垢,提高了燃油效率和环境遵守.

科学领域:

材料科学材料科学材料科学
环境工程环境工程
化学工程是化学工程的重要组成部分.

背景情况:

工业能源生产严重依赖化石和可再生燃料,产生大量的飞副产品.
煤炭飞灰 (CFA) 和生物质飞灰 (BFA) 具有适用于各种工程应用的特性.
有效利用飞对于可持续的工业实践和废物管理至关重要.

研究的目的:

在定量和质量上评估CFA和BFA样本.
为了确定燃烧应用中CFA和BFA的最佳混合比率.
确保遵守环境法规,同时提高燃料性能.

主要方法:

使用了终极分析 (CH-S),FTIR,TGA,XRD,XRF元素分析和灰融合温度 (AFT).
计算了削和污染指数 (R_B/A,R_s,F_u,AFI,BAI) 的结果.
用第三相图来分析灰融化的行为.

主要成果:

75%CFA和25%BFA的最佳混合物显示碳 (4.67%) 和 (0.12%) 含量有所改善.
这种混合物显示了降低了渣和污染潜力,并且增加了灰化温度 (1207°C).
在最佳的混合物中,降低K2O含量和增加CaO和SiO抑制了渣和沉积.

结论:

75% CFA + 25% BFA 混合物为工业燃烧提供了一个可行的解决方案,平衡燃料特性和环境问题.
这种最佳比率减轻了废渣和污染问题,促进了更顺的工业运作.
这些发现为未来研究在发电厂中可持续使用飞的研究提供了基础.

关键词:

灰聚变分析分析生物质飞灰是生物质的飞灰.煤炭飞灰是如何使用的工业单位工业单位工业单位污染和污染指数的指数.热电厂运营商的热电厂运营商.

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