碳化流化粉煤灰;用于采矿工程的新产品(讨论可能的应用)

IF 0.7 Q4 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY
M. Łączny, Przemysław Rompalski
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引用次数: 0

摘要

本文从粉煤灰在采矿工程中的应用出发,综述了粉煤灰与二氧化碳碳化的研究现状和实验室结果。根据以前的出版物和专利申请,讨论了将流化床锅炉的碳化粉煤灰用于以下应用的可能性:确保易受火灾危险影响的挖掘,喷射和固定长壁和支架,建筑外壳,固定退役井等,这意味着需要使用水泥的地方。有人指出,除去多余的游离氧化钙,可以在采矿应用中使用碳化粉煤灰,将其放置在需要增加密封性的工作中。还指出,碳化可以从共燃烧过程中获得的流化飞灰(FFA)中除去氢。这项研究强调了碳化FFA造粒在扩大这种创新产品在采矿工程中的应用方面的潜力和重要性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Carbonised fluidised fly ash (CFFA); A new product for mining engineering purposes (discussion of possible applications)
The article presents and summarises the current state of research and laboratory results on the carbonation of fly ash with carbon dioxide in the context of its use in mining engineering. Based on previous publications and patent applications, the possibilities of using carbonated fly ash from fluidised bed boilers for the following applications were discussed: securing excavations particularly susceptible to fire hazards, shotcreting and securing longwalls and supports, constructing cases, securing decommissioned shafts, and others, which means wherever the use of cement is required. It was pointed out that the removal of excess free calcium oxide makes it possible to use carbonated fly ash in mining applications for placement in workings requiring increased tightness. It was also stated that carbonation allows the removal of hydrogen from fluidised fly ash (FFA) obtained during co-combustion. The research highlighted the potential and importance of granulating carbonised FFA in expanding the applications of this innovative product in mining engineering.
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来源期刊
Journal of Sustainable Mining
Journal of Sustainable Mining Earth and Planetary Sciences-Geology
CiteScore
1.50
自引率
10.00%
发文量
20
审稿时长
16 weeks
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