The Use Of Coal Gangue
Comprehensive utilization and environmental risks of coal
2019年12月1日The utilization amount of coal gangue was 480 million tons in 2013, accounting for 64% of the total output, of which approximately 150 million tons of coal gangue were used for power generation (32%), 56 million tons for the production of
Gangue Wikipedia
Minerals that were once thought of as gangue, and were dumped, may later find a commercial use. When this happens, the old dumps are often reworked to extract the wanted mineral. For example, in copper mines in the 19th century the mineral arsenopyrite was dumped until arsenic compounds became popular as insecticides later in the century. In the 21st century, the use of gangue has been considered from an environmental point of view
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Comprehensive utilization and environmental risks of coal gangue:
2019年12月1日The amount of coal gangue, a by-product of coal mining and washing, is rapidly increasing with the growing trend of energy consumption.The accumulated coal
The use of modified coal gangue for the remediation and
2021年1月15日The coal gangue sample had been authorized by Sichuan Guxu coalfield development Co., Ltd. for the scientific research The original coal gangue was first
The comprehensive utilization of the coal gangue.
The use of coal gangue as roadbed filler can alleviate environmental problems and reduce environmental pollution. In this , the multi-vibration cyclic loading test of coal gangue roadbed...
Field study on the improvement of coal gangue filling
2021年5月5日The use of coal gangue to fill the foundation has a short construction period, low cost, and high economic benefits for areas where construction materials are not very abundant . Coal gangue is a loose
Application of Coal Gangue as a Coarse Aggregate in
2021年11月11日The physical and chemical properties of rock and spontaneous-combustion coal gangue are generally suitable for being used as a coarse aggregate in
Use of Coal Gangue to Prepare Refractory Saggars with Superior
@article{Ding2020UseOC, title={Use of Coal Gangue to Prepare Refractory Saggars with Superior Corrosion Resistance and Thermomechanical Properties for the Calcination of
The Use of Coal Gangue as a Cultivation Bed Conditioner in
The Use of Coal Gangue as a Cultivation Bed Conditioner in Forage Maize Inoculated with Arbuscular Mycorrhizal Fungi: Communications in Soil Science and Plant Analysis: Vol
How to effectively use coal gangue Quora
The rational use of coal gangue can not only create economic value but also reduce pollution. There are several ways to use: 1. Recovery of coal and pyrite: Through a
The use of modified coal gangue for the remediation and
2021年1月15日The coal gangue sample had been authorized by Sichuan Guxu coalfield development Co., Ltd. for the scientific research The original coal gangue was first manually separated to remove impurities and white gangue, and it was then ground and passed through a 160 mesh with a ball mill for further use.
Comprehensive utilization and environmental risks of coal gangue: A
2019年12月1日The amount of coal gangue, a by-product of coal mining and washing, is rapidly increasing with the growing trend of energy consumption.The accumulated coal gangue without appropriate utilization has resulted in a squander of resources, waste disposal and environmental pollution issues. Over the past few decades, there has been
Durability of Concrete With Coal Gasification Slag and Coal Gangue
Coal gangue (CG) and coal gasification slag (CGS) contain a large amount of siliceous and aluminous minerals and have certain pozzolanic reactivity. In recent years, the use of CG and CGS as SCMs in concrete attracted more researcher’s attention. Wang et al. studied the effects of CG with different fineness (200, 325, 500, 1250, and 2000 mesh
Using Chinese Coal Gangue as an Ecological Aggregate and Its
2022年6月26日Coal gangue is a kind of industrial solid waste with serious ecological and environmental implications. Producing concrete with coal gangue aggregate is one of the green sustainable development
(PDF) Application of Coal Gangue as a Coarse Aggregate in Green
2021年11月11日Using coal gangue as coarse aggregate partly or completely replacing natural aggregate to produce coal gangue concrete (CGC) will effectively reduce the mining amount of natural gravel [13] [14
Performance enhancement of modified asphalt via coal gangue
2023年2月27日This study aims to use coal gangue via structural adjustment as modified asphalt materials. Therefore, high-temperature calcination activation and chemical intercalation were used to treat coal gangue powder, modifying asphalt by melting and mixing. The conventional physical properties, high-temperature and low-temperature
The shape parameters of coal and gangue particles derived from
2023年2月23日Coal and gangue particles. A total of 135 anthracite coal particles and 37 gangue particles were investigated, which are screened, cleaned and dried, and shown in Fig. 4 and Fig. 5. Both
Application of Coal Gangue as a Coarse Aggregate in Green
2021年11月11日Among the techniques for converting stacked coal gangue to reusable material, one of the most effective ways is to use coal gangue as a coarse aggregate in green concrete productions. The physical and chemical properties of rock and spontaneous-combustion coal gangue are generally suitable for being used as a coarse aggregate in
The Use of Coal Gangue as a Cultivation Bed Conditioner in
ABSTRACT. A greenhouse pot experiment was conducted to investigate the effect of application of coal gangue (CG) at different rates (0, 5, 10, 20, and 50%) and inoculation with two arbuscular mycorrhizal (AM) fungi Glomus intraradices and Glomus mosseae, as mediating plant adaptation to soil amended with CG, on the nutrient content of forage
Use of Coal Gangue to Prepare Refractory Saggars with Superior
@article{Ding2020UseOC, title={Use of Coal Gangue to Prepare Refractory Saggars with Superior Corrosion Resistance and Thermomechanical Properties for the Calcination of Li-Ion Battery Cathode Materials}, author={Dafei Ding and Liu Guo and Yuandong Mu and Guotian Ye and Liugang Chen}, journal={ACS Sustainable Chemistry \& Engineering},
Characterization of coal gangue and coal gangue-based sodalite
2023年2月27日Coal gangue is a type of solid waste produced during the coal mining and washing processes. In China, approximately 6 billion tons of coal gangues have been amassed in roughly 2000 big coal gangue hills, and this amount is continually growing by 150–200 million tons year .
Gels Free Full-Text Microstructure Analysis and Effects of Single
2022年3月21日The use of coal gangue in the production of geopolymers can effectively solve the problem of environmental pollution. Blast furnace slag (BFS) is also an industrial solid waste, generated during cast iron smelting. Ground granulated blast furnace slag (GGBFS) is a powder of blast furnace slag that has been dried and ground to a
Use of Coal Gangue on Road Construction Semantic Scholar
The piling of coal gangue brings many troubles such as impropriating infields, polluting environment, wasting resources, destroying zoology. In addition, the exploding of coal gangue can hurt people, and cause some geological disasters such as debris flow, land slip and so on. By studying on the physical and chemical properties of coal gangue, it is
A novel non‐pillar coal mining technology in longwall top coal
2023年2月17日Abstract In longwall top coal caving (LTCC) mining methods, problems such as large deformations, loss of coal resources, The blocking-gangue support system (BGSS) is used to form the gangue rib lagging the mining panel. The temporary support system is applied to prevent the roadway from being affected by the dynamic pressure
Durability of Concrete With Coal Gasification Slag and Coal Gangue
Coal gangue (CG) and coal gasification slag (CGS) contain a large amount of siliceous and aluminous minerals and have certain pozzolanic reactivity. In recent years, the use of CG and CGS as SCMs in concrete attracted more researcher’s attention.
The Use of Coal Gangue as a Cultivation Bed Conditioner in
ABSTRACT. A greenhouse pot experiment was conducted to investigate the effect of application of coal gangue (CG) at different rates (0, 5, 10, 20, and 50%) and inoculation with two arbuscular mycorrhizal (AM) fungi Glomus intraradices and Glomus mosseae, as mediating plant adaptation to soil amended with CG, on the nutrient content of forage
Using Chinese Coal Gangue as an Ecological Aggregate and Its
2022年6月26日Coal gangue is a kind of industrial solid waste with serious ecological and environmental implications. Producing concrete with coal gangue aggregate is one of the green sustainable...
Use of Coal Gangue to Prepare Refractory Saggars with Superior
@article{Ding2020UseOC, title={Use of Coal Gangue to Prepare Refractory Saggars with Superior Corrosion Resistance and Thermomechanical Properties for the Calcination of Li-Ion Battery Cathode Materials}, author={Dafei Ding and Liu Guo and Yuandong Mu and Guotian Ye and Liugang Chen}, journal={ACS Sustainable Chemistry \& Engineering},
Characterization of coal gangue and coal gangue-based sodalite
2023年2月27日Coal gangue is a type of solid waste produced during the coal mining and washing processes. In China, approximately 6 billion tons of coal gangues have been amassed in roughly 2000 big coal gangue hills, and this amount is continually growing by 150–200 million tons year [ 26 ].
Gels Free Full-Text Microstructure Analysis and Effects of Single
2022年3月21日The use of coal gangue in the production of geopolymers can effectively solve the problem of environmental pollution. Blast furnace slag (BFS) is also an industrial solid waste, generated during cast iron smelting.
Reliability-Based Design Optimization of Chemically Stabilized Coal Gangue
2021年6月23日Abstract The coal gangue (CG) is a noncombustible waste mechanically separated from coal during the sorting or coal washing phase of mining. Because of the negative implications of unscientific disposal of CG, there is a need to utilize it in bulk civil engineering works.
Reaction-bonded robust SiC ceramic membranes sintered at low
1 As shown in Table 2 and Table 3, the chemical composition of coal gangue and SiC was analyzed by XRF.The main components of the coal gangue used in this study were SiO 2 and Al 2 O 3, accounting for more than 88%, followed by a small amount of Fe, K, Ti and other elements, and a small amount of impurities are found in SiC powder.In
A novel non‐pillar coal mining technology in longwall top coal
2023年2月17日Abstract In longwall top coal caving (LTCC) mining methods, problems such as large deformations, loss of coal resources, The blocking-gangue support system (BGSS) is used to form the gangue rib lagging the mining panel. The temporary support system is applied to prevent the roadway from being affected by the dynamic pressure
Evaluation of rheological and mechanical performance of gangue
2023年3月10日Waste discharge and surface damage are the unavoidable consequences of coal mining. However, filling waste into goaf can help reuse waste materials and protect the surface environment. In this , it is proposed to fill coal mine goaf with gangue-based cemented backfill material (GCBM), while the rheological and mechanical
Carbon Footprint Analysis of Coal Gangue in Geotechnical
2019年9月28日Coal gangue is a mine waste generated during the mineral processing phase of coal production. With the surge in demand for coal in thermal power, steel and cement generation industries, the rate of coal gangue generation has reached unprecedented heights.
Study on Coal Gangue Identification Based on Vibration and Its
2023年3月6日The broken top coal and gangue in the fully mechanized cave mining will be released from the rear of the hydraulic support in the form of bulk. In this process, the medium properties through the coal opening can be judged by monitoring the vibration signal on the tail beam. Based on the coupling method of the discrete element method
Full article: Effect of Al (OH)3 addition on densification mechanism
The utilization of value-added coal gangue benefits sustainability, energy saving, and environmental enhancement, so related studies have attracted more attention. The main components of coal gangue are Al 2 O 3 and SiO 2. The design and preparation of high-performance ceramics by coal gangue is an attractive strategy.
Environmental-friendly coal gangue-biochar composites
2021年3月1日This study shows that the coal gangue modified biochar composite can not only be used to remove phosphate from wastewater, but also be used as a slow-release fertilizer, providing a new way for the phosphorus recovery and resource utilization of solid wastes. Graphical abstract Download : Download high-res image (202KB)