آخرین محصولات
Research on Coal Gangue Recognition Based on Multi …
Research on Coal Gangue Recognition Based on Multi-source ... gangue, such as recycling useful minerals,7 gangue for power generation,8 sintering into useful materials,9,10 grouting Received: April 6, 2023 Accepted: June 8, 2023 ... gangue emissions reach the standard. At present, the widely
Pingshuo Gangue power station
Background. The Pingshuo Gangue power station was commissioned in 2004 and 2005 with two units of 50 MW and an initial investment of 714.25 million RMB from the Shanxi International Energy Group, ChinaCoal, and Gemeng International. The plant is located in Shanxi Province, China. The Environmental Protection Bureau of Shanxi Province …
Power Generation from Coal Gangue in China: Current …
This paper provides an overview on the current status of power generation in China using coal gangue. The government regulation towards the use of coal gangue for power generation is introduced. Emission of pollutants and low thermal power plant efficiency are the two major problems for the power industry firing coal gangue. Particulate matter …
Emission Factors of NO, SO2, and PM for Bathing, …
2018). The power generation industry fueled with coal, gangue, coke oven gas, natural gas, and coal gas is a major anthropogenic SO2, NOx and PM source due to the combustion of fuel containing sulfur and nitrogen (Li et al., 2016, 2017; Yan et al., 2017). The coal-fired power plants (PPs) contribute approximately half of the total coal
Low-carbon utilization of coal gangue under the carbon …
Coal gangue, produced during coal mining and processing [1, 2], is one of the most extensively produced solid wastes in China [1, 3], accounting for approximately 10%‒20% of raw coal production [].The accumulation of coal gangue causes serious environmental, social, and economic problems in the coal mining area [].Heavy metals …
Underground Disposal of Coal Gangue Backfill in China
The use of coal gangue for power generation started early in developed countries. For example, Germany and Holland began to build coal power plants alongside coal preparation plants in the 1970s to recycle coal gangue for power generation. ... which is equivalent to conserving approximately 38 million tons of standard coal . Since …
Life cycle carbon emission modelling of coal-fired power: …
The carbon emissions resulting from the coal gangue utilization (mainly for power generation and building materials) reached 137 MtCO 2 e in 2014 (Fig. 10), of which the proportion of coal gangue power generation has been above 80% for a long time. In recent years, because the price of gangue brick (aerated concrete) is higher …
Life cycle assessment and environmental cost accounting of coal …
Coal-fired power generation leads to serious environmental pollution, such ... was used in this study. The combustion of 1 kg standard coal can emit approximately 2.46 kg CO 2, 0.08 kg SO 2, 0.02 kg NO x, and 0 ... the solid waste emissions per 1 MWh production of power was 87.62 kg, except for coal gangue emissions during the coal …
Coal use for power generation in China
Coal holds dominant position in China's primary energy mix, and roughly 45% of China's coal consumption is used for power generation. In this paper, we study the prospective of coal used for power generation in China into 2030 by testing three interrelated factors, namely electricity demand, fuel mix and generation efficiency of …
Industrial development and prospect about
Comprehensive utilization of coal gangue is of importance to sustainable development of society and economy. China has made great progress in comprehensive utilization of coal gangue in the latest 40 years since the 1960—1970's. Circulating fluidized bed(CFD) power generation using coal gangue is at the advanced level of the world.
Pyrolysis and combustion behavior of coal gangue in O
Combustion of coal gangue is extensively used for power generation in China. In this paper, pyrolysis and combustion characteristics of a low-rank coal gangue have been investigated under oxy-fuel (O 2 /CO 2) and air (N 2 /O 2) conditions using a drop tube furnace and thermogravimetric analysis.Pyrolysis experiments were carried out in N 2 …
Diffusion law of coal gangue slurry and the application of …
Reference 25 discusses the fluidization diffusion and rock migration laws of coal gangue slurry under different grouting speeds, void ratios, and particle sizes. It is …
Emission characteristics of volatile organic compounds from coal-, coal
The most abundant compounds generated during coal- and coal gangue-fired power generation were 1-Butene, Styrene, n-Hexane and Ethylene, while biomass-fired power generation were Propene, 1 ...
Comprehensive utilization and environmental risks of coal …
For example, coal gangue containing high calorific value can be used for power generation; low calorific value coal gangue can be used to make brick and …
Coal Gangue: Composition, Processing, Use And Recycling
Coal gangue power generation Coal gangue grinding adopts fluidized bed technology. When the carbon content is greater than 20%, it can be used as energy and can be used to generate electricity. Recycling of coal and pyrite Coal gangue adopts composite dry coal preparation, cyclone, and heavy medium separation. When the coal …
(PDF) Power Generation from Coal Gangue in China
This paper provides an overview on the current status of power generation in China using coal gangue. The government regulation towards the use of coal gangue …
Determination of heavy metals concentrations in coal and coal gangue …
The main objective of this research was to determine the level of heavy metals in coal gangue and coal from Sinazongwe District. ... coal power generation on the characteristics and risk of heavy metal pollution in nearby soil. Ecosyst Health Sustain 6(1):1787092. Article Google Scholar Zhu Q (2010) Coal sampling and analysis …
Using Chinese Coal Gangue as an Ecological Aggregate and …
Coal gangue is a kind of industrial solid waste with serious ecological and environmental implications. ... pavement construction, power generation, brickmaking, and the chemical industries [3,8,9,10 ... based on the stress–strain relationship test results of coal gangue concrete and the model in standard GB 50010-2010 is shown in Equation (5
Power plant profile: Kailuan Guye Coal Gangue Pitkou Power …
Kailuan Guye Coal Gangue Pitkou Power Plant is a 600MW coal fired power project. It is located in Hebei, China. According to GlobalData, who tracks and profiles over 170,000 power plants worldwide, the project is currently active. It …
Optimization of the Parameters for Gravity Heat Pipes in Coal Gangue …
The ecological restoration of coal gangue can be achieved by planting Cajanus cajan (pigeon pea) because of its developed root system. The close relationships soil microorganisms have with plants ...
Characterization studies on coal gangue for sustainable …
Global rise in greenhouse gas emissions (GHG) is triggered mainly due to the consumption of fossil fuels for power generation and domestic usage. Among the fossil …
Processes | Free Full-Text | Activation of Low-Quality Coal Gangue
Although the calcination-based activation of coal gangue is important for its valorization in the form of cementitious materials, the related works mainly focus on high-quality coal gangue, neglecting its low-quality counterpart. To bridge this gap, we herein conducted the pilot-scale suspension calcination of low-quality coal gangue; explored …
Minerals | Free Full-Text | Preparation and …
The results showed that the change in the particle size of the coal gangue played a major role in the material properties, while the change in the particle size of the low-quality coal fly ash and …
Comprehensive utilization and environmental risks of coal gangue: A
It is suggested that coal gangue power plant mainly uses coal gangue with calorific value above 6.27 MJ kg −1 - 8.336 MJ kg −1 (1500 kcal kg −1 - 2000 kcal kg −1) (Wang, 2004a), and coal gangue with sulfur content exceeding 2% cannot be used for brick production. In addition, it is worth exploring the scientific combination of various ...
Power generation from coal gangue in China: current status …
This paper provides an overview on the current status of power generation in China using coal gangue. The government regulation towards the use of coal gangue for power …
Using Chinese Coal Gangue as an Ecological …
This paper fully analyzes and summarizes a number of studies about coal gangue aggregate concrete and achieves the following objectives: (1) to summarize the properties and preparation method of …
Utilization of coal gangue power generation industry by …
Semantic Scholar extracted view of "Utilization of coal gangue power generation industry by-product CFA in cement: Workability, rheological behavior and microstructure of blended cement paste" by Jihui Zhao et al.
Transformation of Gangue Mountains into Photovoltaic Power Generation …
The Xinghuadong Drainage Gangue Yard, which began construction on April 10, 2022, has transformed three gangue mountains into a "battlefield" for photovoltaic power generation. The Jixi Mining ...
Comprehensive utilization and environmental risks of coal gangue: A
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 building materials (12%), and 260 million tons for land reclamation (56%) (National …
The Sustainable Utilization of Coal Gangue in Geotechnical …
AbstractAmong coal mining-related wastes, coal gangue (CG) is the heterogeneous waste generated during the mineral processing or coal washing phase of coal mining. ... Standards; Magazines. Civil Engineering; Geostrata; Author Center. Author Center Home; ... X. C. Li, and A. Tahmasebi. 2012. "Power generation from coal …
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