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Valorization of calcined coal gangue as coarse aggregate in …
Flow chart of pretreatment, calcination and sorting of coal gangue aggregates. 2.2.2. Testing of NA and coal gangue aggregates. Physical properties of CGAs and NA were …
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Pozzolanic activity experimental dataset of calcined coal gangue
The dataset encompasses the reactivity of raw coal gangue under various calcination schemes. The coal gangue is subjected to a process of drying, crushing, and …
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Activity and structure of calcined coal gangue
Coal gangue was activated by means of calcination in seven temperature ranges. Systematic research was made about activation mechanism and structural evolution. Glycerin-ethanol …
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(PDF) Investigation on Calcination Behaviors of …
In order to comprehensively utilize coal gangue, we present fluidized calcination as a new thermal technology for activating coal gangue and systematical study was conducted in comparison with...
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(PDF) Effect of calcination on coarse gangue rejection of …
e calcination impact on coarse gangue r ejection in the case of the PF sample (Fig. 3 b) was similar to that in the case of the TDMS (Fig. 3 a). However, the lithium grade in the …
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Experimental Research on Improving Activity of Calcinated …
The activity of coal gangue powders can be improved by both low-temperature calcination and calcium-contained calcination, with the latter being more effective. The activity of calcined coal …
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Experimental Research on Improving Activity of Calcinated Coal Gangue
The activity of coal gangue powders can be improved by both low-temperature calcination and calcium-contained calcination, with the latter being more effective. The activity of calcined coal …
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Analysis of calcination activation modified coal gangue and …
However, most gangue is quite inert and requires calcination to induce acid activation. In this paper, coal gangue was calcined, and the optimal calcination temperature for …
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Activity and structure of calcined coal gangue
Abstract: Coal gangue was activated by means of calcination in seven temperature ranges. Systematic research was made about activation mechanism and structural evolution.
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Effect of calcination on coarse gangue rejection of hard …
The calcination impact on coarse gangue rejection in the case of the PF sample (Fig. 3b) was similar to that in the case of the TDMS (Fig. 3a). However, the lithium grade in …
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Effects of chemistry and mineral on structural evolution and …
The correlation between the composition and properties of coal gangue during calcination is essential for its applications. In this paper, the effect of chemistry and minerals of coal …
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Investigation on Calcination Behaviors of Coal Gangue by …
In order to comprehensively utilize coal gangue, we present fluidized calcination as a new thermal technology for activating coal gangue and systematical study was conducted in comparison …
WhatsApp: +86 18221755073


Pozzolanic activity experimental dataset of calcined coal gangue
The dataset encompasses the reactivity of raw coal gangue under various calcination schemes. The coal gangue is subjected to a process of drying, crushing, and grinding, followed by high …
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Sustainable and clean utilization of coal gangue: …
gangue-based silicon fertilizer in agriculture. Materials and methods Materials Coal gangue The coal gangue used in the experiment comes from the Shendong mining area in Inner Mongolia, …
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Pozzolanic activity experimental dataset of calcined coal …
The dataset encompasses the reactivity of raw coal gangue under various calcination schemes. The coal gangue is subjected to a process of drying, crushing, and …
WhatsApp: +86 18221755073


Mineral phase transformation in coal gangue by high …
The influence of various calcination temperatures on phase transformation of the minerals in coal gangue and the optimal conditions for caustic leaching of coal gangue after …
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Iron removal from kaolinitic coal gangue via magnetic …
The organic matter in the gangue burned and consumed oxygen in the furnace, thus generating a weak oxidizing environment. The enhanced magnetism of the gangue after …
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Activation of Low-Quality Coal Gangue Using Suspension Calcination …
High-quality coal gangue can be calcined to prepare low-carbon cementitious materials, which can be used to reduce the consumption of cement clinker and increase the …
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Analysis of calcination activation modified coal gangue and …
Acid activation and utilization of coal gangue is of great significance for effective treatment of bulk solid waste in the environment. However, most gangue is quite inert and …
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Efficient Leaching of Rare Earth Elements from Coal Gangue …
This study comprehensively investigated the extraction of rare earth elements (REEs) from coal gangue using various analytical techniques. The results showed a significant …
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(PDF) Investigation on Calcination Behaviors of Coal Gangue …
In order to comprehensively utilize coal gangue, we present fluidized calcination as a new thermal technology for activating coal gangue and systematical study was conducted in …
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The Effects of Calcination-Water Quenching on Quartz
In the process of quartz purification by calcination water quenching, the different expansion rates of gangue minerals and quartz were used to produce cracks or remove fluid …
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Thermal activation and structural transformation mechanism …
The coal gangue from the Jungar coalfield mainly comprises kaolinite and is a feasible pozzolanic material to produce blended cement after thermal activation. Considering …
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Effects of chemistry and mineral on structural evolution and …
The elevated chemical reactivity of calcined gangue, which is generally ascribed to the formation of amorphous reactive SiO 2 and Al 2 O 3 from decomposition of clay minerals, …
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Activation of Low-Quality Coal Gangue Using …
High-quality coal gangue can be calcined to prepare low-carbon cementitious materials, which can be used to reduce the consumption of cement clinker and increase the durability and late strength of the corresponding …
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Investigation of the interactions of arsenic with gangue …
It was concluded that arsenic is carried on the surface of gangue minerals in the calcination process. Moreover, the decrepitated arsenic compounds tend to accumulate back …
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Study on the Reactivity Activation of Coal Gangue for …
In this study, the research aim is to enhance the activity index of activated coal gangue and study its activation mechanism. The activation process of coal gangue was …
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The Effect of Physical Separation and Calcination on …
Critical metallic elements in coal gangue have great utilization potential, especially due to the current shortage of these metals. This paper focused on examining the feasibility of …
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Investigation on Calcination Behaviors of Coal …
In order to comprehensively utilize coal gangue, we present fluidized calcination as a new thermal technology for activating coal gangue and systematical study was conducted in comparison with static calcination.
WhatsApp: +86 18221755073