Research on the Development of the Coal-Electricity Integration Manufacturing Industry

Wang, Wei Jun; Lu, Guang Ming; Liu, Tong; Wang, Min Nan

doi:10.4028/www.scientific.net/amm.307.455

Cited by 3 publications

(1 citation statement)

References 2 publications

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“…Driven by the concept of a green environment, the coal-electricity integrated industry model has become a major development strategy for coal and electricity companies [1][2][3]. An important part of this industrial model is the backfilling of powerplant fly ash underground [4][5][6], which is mainly used for the reinforcement of surrounding rock mass [7][8][9], face end plugging [10], and spontaneous ignition of remnant coal within the gob [11,12].…”

Section: Introductionmentioning

confidence: 99%

Eluviation and Leaching of Elements from Broken Fly-Ash-Based Porous Geopolymer

et al. 2021

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The fly ash from powerplants used for coal mine end backfilling can effectively reduce the impact of ground fly ash accumulation on the environment. However, due to the long-term action of the overlying strata and groundwater, when the backfilling body is broken, heavy metals will also be leached, thus having an impact on the groundwater. Therefore, in this paper, the eluviation and leaching of elements from a broken fly-ash-based porous geopolymer is studied. The fly-ash-based geopolymer material was prepared to perform a dynamic eluviation and static leaching test, and it was found that the amount of Cu and Zn in the leachate was less abundant, whereas Pb was more abundant, but far less than the limit of the Class III groundwater quality standard. An acidic environment and a smaller solid–liquid ratio can promote the leaching of Cu and Zn, while the leaching of Pb is basically unaffected by the pH value. Moreover, the amount of Cu, Zn, and Pb in the lixivium increased with the increase in leaching time, and the amount of Cu and Zn in the lixivium was still low after 150 h of leaching, whereas the amount of Pb was high, approaching the limit value of the Class III groundwater quality standard, showing a tendency to increase after 100 h of leaching. A leaching orthogonal experiment was designed, and the results showed that the main order of each factor affecting the leaching of heavy metals from the fly-ash-based geopolymer was grain size > pH > solid–liquid ratio; thus, the leaching of heavy metals from fly-ash-based geopolymer can be controlled, which is significant with respect to the extensive use of fly-ash materials underground.

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Section: Introductionmentioning

confidence: 99%

Eluviation and Leaching of Elements from Broken Fly-Ash-Based Porous Geopolymer

et al. 2021

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Steady-state analysis of social responsibility strategy of coal power enterprises from the perspective of game theory

Guo,

Li,

Wang

2024

Heliyon

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Impact of Coal-Electricity Integration on Chinas Power Grid Development Strategy

Wang

Zhang

Liu

2013

AMR

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The supply and demand structure of Chinas coal market and electricity market is undergoing profound changes. To respond to the conflict between coal industry and power industry, coal-electricity integration has gained support from The State through relevant policies. The development of coal-electricity integration plays a vital role in balancing the energy industrial structure. This paper introduces the evolution of coal-electricity integration policy and discusses the existing pool model of Chinas coal-electricity integration. And this paper also makes an analysis of coal-electricity integrations impact on the development of power grid, providing recommendations for power enterprises facing the new situation of energy development.

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Research on the Development of the Coal-Electricity Integration Manufacturing Industry

Cited by 3 publications

References 2 publications

Eluviation and Leaching of Elements from Broken Fly-Ash-Based Porous Geopolymer

Eluviation and Leaching of Elements from Broken Fly-Ash-Based Porous Geopolymer

Steady-state analysis of social responsibility strategy of coal power enterprises from the perspective of game theory

Impact of Coal-Electricity Integration on Chinas Power Grid Development Strategy

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