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“双碳目标”下表面改性与新型药剂在低阶煤浮选中的应用

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程志红. “双碳目标”下表面改性与新型药剂在低阶煤浮选中的应用[J]. 矿产综合利用, 2022, (2): 15-21. doi: 10.3969/j.issn.1000-6532.2022.02.003
引用本文: 程志红. “双碳目标”下表面改性与新型药剂在低阶煤浮选中的应用[J]. 矿产综合利用, 2022, (2): 15-21. doi: 10.3969/j.issn.1000-6532.2022.02.003
shu
Cheng Zhihong. Application of Surface Modification and New Reagents in Low-Rank Coal Flotation under 'Double Carbon Target'[J]. Multipurpose Utilization of Mineral Resources, 2022, (2): 15-21. doi: 10.3969/j.issn.1000-6532.2022.02.003
Citation: Cheng Zhihong. Application of Surface Modification and New Reagents in Low-Rank Coal Flotation under "Double Carbon Target"[J]. Multipurpose Utilization of Mineral Resources, 2022, (2): 15-21. doi: 10.3969/j.issn.1000-6532.2022.02.003
shu

“双碳目标”下表面改性与新型药剂在低阶煤浮选中的应用

  • 山西潞安环保能源开发股份有限公司煤炭质量管理中心，山西　长治　046204

详细信息
    作者简介: 程志红（1971-），男，研究方向为煤炭洗选行业

  • 中图分类号: TD94

Application of Surface Modification and New Reagents in Low-Rank Coal Flotation under "Double Carbon Target"

  • Coal Quality Management Center of Shanxi Lu’an Environmental Energy Development Company, Changzhi, Shanxi, China

    摘要

  • 我国“富煤、贫油、少气”的能源结构特点决定了煤炭资源的主体能源地位，但其赋存条件较差。随着优质煤炭资源储量的减少，低阶煤的开发利用规模逐年扩大，在提供优质精煤的同时还逐步实现了对煤炭资源的绿色综合利用。低阶煤储量大、变质程度低、杂质成分复杂，实现低阶煤的分选，尤其是细粒低阶煤的高效分选对我国低阶煤的高效清洁利用至关重要。针对低阶煤亲水性强、孔隙度大、矸石成分和嵌布特征复杂的特性，系统讨论了通过表面改性、药剂合成和复配以及吸附特性研究等方面对低阶煤浮选的改善效果，展望了低阶煤浮选强化的未来发展方向，以期为我国煤炭资源的高效清洁利用和“双碳”战略目标的顺利实施提供借鉴和参考。

    The energy structure characteristics of "rich coal, poor oil and less gas" in China determine the main energy status of coal resources, but its occurrence conditions are poor. With the reduction of the reserves of high-quality coal resources, the development and utilization scale of low-grade coal is expanding year by year. While providing high-quality clean coal, it has gradually realized the green comprehensive utilization of coal resources. Low rank coal has large reserves, low metamorphic degree and complex impurity composition. It is very important for the efficient and clean utilization of low rank coal in China to realize the separation of low rank coal, especially the high-efficiency separation of fine-grained low rank coal. Aiming at the characteristics of strong hydrophilicity, large porosity and complex gangue composition and embedding characteristics of low-order coal, the improvement effect of low-order coal flotation through surface modification, reagent synthesis and compounding and adsorption characteristics was systematically discussed, and the future development direction of low-order coal flotation enhancement was predicted. It provides reference for the efficient and clean utilization of China’s coal resources and the smooth implementation of the strategic goal of “double carbon".

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收稿日期:  2022-03-04
刊出日期:  2022-04-25

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