application of coal gangue

application of coal gangue

Utilization of Coal Gangue for Earthworks ...

2021-2-4 · A novel application of coal gangue as inexpensive adsorbents is considered in this study. The structural and surface properties of natural and modified gangue were studied via nitrogen adsorption ...

contact us

(PDF) Application of Coal Gangue as a Coarse Aggregate …

2021-11-11 · 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 ...

contact us

What Are The Coal Gangue Grinding Mill Machines?

2022-10-15 · The gangue activation machine is usually a complete set of equipment consisting of crusher, coal gangue grinding mill, elevator, dust collection system, etc. Among them, the gangue pulverizer is the host equipment of the gangue activation machine system, and the coal gangue vertical roller mill, coal gangue Raymond mill, etc. can usually be ...

contact us

Study on Rheological Characteristics of Uncemented Coal

2022-10-15 · In order to explore the influence of gradation and concentration on the rheological parameters of uncemented coal gangue-fly ash backfill (UCGFB) slurry, based on the fractal theo

contact us

Preparation, Properties and Application of Gel Materials …

2021-12-6 · A coal gangue in Yu County, Yangquan, Shanxi, as shown in Figure 8, of 1 # coal gangue mountain preliminary determination, 1 # surface anomaly area, and 2 # surface anomaly area, as shown in Figure 9, was selected within the length of 35 m, width of 5 m and the length of 55 m, with a width of a 5 m long area for grid division. The arrangement ...

contact us

[PDF] Application of Coal Gangue as a Coarse Aggregate …

Coal gangue concrete is not recommended to be used in subsurface structures, as its water absorption law would be changed under a large replacement ratio. The mechanical performance of coal gangue concrete is degraded by raising the replacement ratio. Over-low and -high concrete grades are not suggested to be used as coal gangue aggregate ...

contact us

Application and Research of Gangue Partial-Filling Mining …

2022-3-21 · Coal gangue produced during coal production not only poses a serious threat to the ground environment but also imposes serious economic burdens on the mine. The partial …

contact us

Feasibility study on the application of coal gangue as …

2017-5-1 · The coal gangue used in this study was obtained from a coal field in Yulin, Shanxi Province, China. Before the permeability and batch sorption tests, the coal gangue was oven …

contact us

Application of coal gangue in highway surface foundation …

Through the analysis of the physic and mechanic property of self-ignition coal gangue,it illustrates the raw material test,mixture proportion design,construction technique and quality test of coal gangue in application practice and through the research,it gets the conclusion that applying self-ignition coal gangue into high-class highway surface foundation layer and bottom foundation …

contact us

Study on Mix Proportion Design and Mechanical …

Using coal gangue aggregate as the research object, through theoretical analysis and experimental study, the effect of different heat activation activity of raw coal gangue, coal gangue aggregate replacement rate, the effects of water cement ratio on the mechanical properties of concrete was analyzed for coal gangue as concrete material selection principle provides a …

contact us

Utilization of coal gangue as coarse aggregates in …

2021-1-25 · In most of the studies on coal gangue concrete from the aspect of material, 50% coarse aggregate replacement ratio was commonly used as the maximum replacement ratio …

contact us

Utilization of coal gangue as coarse aggregates in …

2020-10-24 · DOI: 10.1016/j nbuildmat.2020.121212 Corpus ID: 226357685; Utilization of coal gangue as coarse aggregates in structural concrete @article{Gao2020UtilizationOC, title={Utilization of coal gangue as coarse aggregates in structural concrete}, author={Shan Gao and Guohao Zhao and Lanhui Guo and Linqiang Zhou and Kekuo Yuan}, …

contact us

Application and Research of Gangue Partial-Filling Mining …

2022-3-21 · Coal gangue produced during coal production not only poses a serious threat to the ground environment but also imposes serious economic burdens on the mine. The partial-filling mining (PFM) method proposed in this paper can make full use of coal gangue and is of great significance to the prevention and control of water disasters at the working face.

contact us

Materials | Free Full-Text | Application of Coal Gangue as a …

2021-11-11 · 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 …

contact us

Prospective application of coal gangue as filler in fracture …

Coal gangue was earliest applied to roads and dams engineering construction materials in UK, and road researchers have found that asphalt mixtures mixed with coal gangue perform better …

contact us

Application of Coal Gangue as a Coarse Aggregate in …

2021-11-11 · Europe PMC is an archive of life sciences journal literature.

contact us

Preparation of coal gangue ceramsite high-strength …

2022-9-30 · Coal gangue (CG) is a type of industrial solid waste produced by the process of coal excavation and separation 1,2,3. Generally, one ton of CG is discarded for every 10 tons of produced coal 4, 5 .

contact us

Materials | Free Full-Text | Application of Coal Gangue as a …

2021-11-11 · 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 green concrete.

contact us

The comprehensive utilization of the coal gangue.

Although coal gangue utilization technology in China has rapidly developed in recent years, the comprehensive utilization rate remains relatively low (less than 30%); more than 70% of the ...

contact us

Application of Coal Gangue as a Coarse Aggregate in …

2021-11-11 · 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 …

contact us

Coal Gangue and its Application Research in Building

2016-9-1 · This section is composed of the following particular aspects: 1) concrete application: replacement of cement by 20% coal gangue can effectively extend the setting time, increase the compressive ...

contact us

A review of the synthesis and application of zeolites from

2020-11-11 · Zeolite derived from coal-based solid wastes (coal gangue and coal fly ash) can overcome the environmental problems caused by coal-based solid wastes and achieve valuable utilization. In this paper, the physicochemical properties of coal gangue and coal fly ash are introduced. The mechanism and application characteristics of the pretreatment processes for …

contact us

Experimental Study and Application of Rheological

2020-3-3 · From the perspective of resource recovery and environmental protection, coal gangue-fly ash cemented backfill coal mining has become an important direction for the green development of coal mines in recent years. Analysis of the rheological parameters of backfill slurry is the basic principle to design a backfill pipeline system. Coal gangue-fly ash backfill slurry …

contact us

Influence of coal gangue mulching with various …

2021-7-28 · Coal gangue occupies large swathes of land resources, resulting in ecological fragility and various environmental problems. ... Thus, different coal gangue particle sizes and their applications ...

contact us

coal-gangue

Gangue, also called coal gangue, is the solid waste discharged in coal mining process and coal washing process, black rock harder than coal. Its carbon content is low and exists along with …

contact us

Sustainability | Free Full-Text | Utilization of Coal Gangue

2020-6-4 · The application of coal gangue near the railway line not only solved the problem of aggregate shortage in engineering construction, but it also consumes the coal gangue waste and leads to huge social benefits. As a massive solid waste, the high value-added utilization of coal gangue has received more and more attention in China. ...

contact us

Utilization of Coal Gangue for Earthworks ...

2021-2-21 · Case I. CFA of coal gangue application in earthworks. The potential environmental impacts envisaged with utilization of CG in geotechnical engineering applications are evaluated by performing CFA on its application as a fill material in highway embankment. For the present study, the extension of Karimnagar-Ramagundam highway (18° 38′ 33.3 ...

contact us

Coal Gangue and its Application Research in Building

The current statistics show coal gangue discharge is 100 million tons per year, and the accumulated discharge has been as high as 4.5 billion tons. It comprises the largest portion of solid waste in our country. Its storage not only requires valuable land resources, but also pollutes the air, water and soil of the storage sites, resulting in waste of resources.

contact us

Feasibility study on the application of coal gangue as …

2017-1-12 · Coal gangue production accounts for about 10%-15% of raw coal production, but the utilization rate of coal gangue is low and needs to be further improved [20, 21]. It is found that coal gangue ...

contact us

Coal gangue detection and recognition algorithm based …

2021-9-8 · 4.1 Design and implementation of coal gangue detection and recognition device. This study proposes an method for coal gangue detection and recognition on the basis of the DCN-YOLOv3 algorithm. Firstly, the method collects real-time video images of a conveyor belt operation through an industrial camera erected perpendicular to the conveyor belt.

contact us

Preparation and application of alkali-activated materials

2019-10-10 · The following is an attempt to investigate CG and WG as novel precursors for preparing AAMs in engineering applications. 4. Coal gangue (CG) CG is a complex solid …

contact us

Common Industrial Uses of Coal Gangue

2021-5-19 · 1.Building Bricks Are Prepared From Coal Gangue. Coal gangue itself has a certain plasticity and sintering property, and can be used to produce brick after homogenization, …

contact us