How to solve this environment pollution and effectively utilize the coal gangue is a main subject and difficult problem faced at present. In this paper, we performed a comprehensive analysis of the development about comprehensive utilization of coal gangue, and provided a basis for the research of coal gangue and environmental protection.
How to solve this environment pollution and effectively utilize the coal gangue is a main subject and difficult problem faced at present. In this paper, we performed a comprehensive analysis of the development about comprehensive utilization of coal gangue, and provided a basis for the research of coal gangue and environmental protection.
The invention discloses a comprehensive utilization method of coal gangue, relating to the technical field of coal gasification. On the premise of effectively and comprehensively utilizing the coal gangue, the method can avoid slag formation in the gasification technique, ensure the continuous and stable operation of the gasification process and widen the coal type
Comprehensive Utilization of Coal Gangue in Shanxi Province ,,
Coal gangue is one of the largest industrial solid wastes in China; the comprehensive utilization of coal gangue has important social, economic and environmental benefits. In this paper, the coal gangue and comprehensive utilization have been discussed in detail. Through the survey results, expounds the development of the use of coal gangue and improve work with practical
The production line is a comprehensive utilization project of coal based solid waste jointly developed by Kunming University of Science and Technology and Guizhou Zisenyuan Group. Currently, it can process 5,000 tons of coal gangue annually.
The invention provides a gangue comprehensive utilization method. The method comprises the steps that: gangue is grinded into particles with a particle size smaller than or equal to 10mm; combustion is carried out in a fluidized bed roaster, and heat generated by combustion is used for civil use or industrial heat supply; additives are added to white inorganic ash after combustion;
How to solve this environment pollution and effectively utilize the coal gangue is a main subject and difficult problem faced at present. In this paper, we performed a comprehensive analysis of the development about comprehensive utilization of coal gangue, and provided a basis for the research of coal gangue and environmental protection.
The invention provides a gangue comprehensive utilization method. The method comprises the steps that: gangue is grinded into particles with a particle size smaller than or equal to 10mm; combustion is carried out in a fluidized bed roaster, and heat generated by combustion is used for civil use or industrial heat supply; additives are added to white inorganic ash after combustion;
Gangue to discharge and pile stock the heaviest one. If does not utilize, pile up it in the earth's surface for a long time, not only takes a large amount of land, influence the natural landscape, des The comprehensive utilization of strengthening the gangue energetically is to protect the environment and implement the requiring doubly of
Coal gangue account for about 10 percent to 20 percent of raw coal's mass.The comprehensive utilization rate of domestic coal gangue is around 62.2 percent.To better utilize coal gangue,based on the analysis of coal gangue emission reduction technologies,direct and modified use technologies,utilization of heat energy and residue generated by coal gangue burning
2021 5 27 Many people from coal enterprises said that the use of coal gangue for underground filling is regarded as the most thorough disposal method, but it often costs 100 yuan / ton, and the filling cost is prohibitive Small and medium sized coal gangue comprehensive utilization power plant and coal gangue brick plant have produced certain effects. In recent 10 years, with the
How to solve this environment pollution and effectively utilize the coal gangue is a main subject and difficult problem faced at present. In this paper, we performed a comprehensive analysis of the development about comprehensive utilization of coal gangue, and provided a basis for the research of coal gangue and environmental protection.
2021 5 27 Many people from coal enterprises said that the use of coal gangue for underground filling is regarded as the most thorough disposal method, but it often costs 100 yuan / ton, and the filling cost is prohibitive Small and medium sized coal gangue comprehensive utilization power plant and coal gangue brick plant have produced certain effects. In recent 10 years, with the
CN 210979879 U chemical patent summary.
Comprehensive utilization and environmental . 01/12/2019 In addition, the composition of coal gangue is closely associated with coal mining process At present, the comprehensive utilization of coal gangue is mainly selected according to the carbon content and calorific value Coal gangue with a high carbon content >20% is commonly used for power generation and heating
An important way gangue comprehensive utilization of coal gangue power with that, not only can save a good coal, coal power to ease tensions, but the ash can also produce building materials, eliminating secondary pollution, is a item green project, its social and environmental benefits are very significant. But gangue
Coal gangue account for about 10 percent to 20 percent of raw coal's mass.The comprehensive utilization rate of domestic coal gangue is around 62.2 percent.To better utilize coal gangue,based on the analysis of coal gangue emission reduction technologies,direct and modified use technologies,utilization of heat energy and residue generated by coal gangue burning
2012 5 1 The annual emissions of coal gangue in China is about 150 200 million tons. Coal gangue causes solid, liquid and gas pollution, which not only wastes resources, energy and occupies a large amount
2021 5 27 Many people from coal enterprises said that the use of coal gangue for underground filling is regarded as the most thorough disposal method, but it often costs 100 yuan / ton, and the filling cost is prohibitive Small and medium sized coal gangue comprehensive utilization power plant and coal gangue brick plant have produced certain effects. In recent 10 years, with the
2019 12 1 Comprehensive Utilization of Coal Gangue. Zuo Peng fei. Economics, Engineering. 2009. The coal gangue is a kind of solid wastes from coal mining and separating,which is also a kind of grey black rock harder than coal,characterized by low content of carbon and association with coal. 20.
2022 3 5 The northwest region is characterized by wide land area and rich resources, and is also the region for important development at the end of this century and f
2019 8 25 The high value utilization of coal gangue in the typical mining area Jungeer mining area is analyzed. The alumina is extracted by one step acid dissolution method, and the valuable elements such as gallium, germanium and lithium are extracted synergistically. The high value utilization of coal gangue in typical mining areas is given.
2021 5 5 The coal gangue filling bearing capacity reached at least 350 kPa after being improved by dynamic compaction with a tamping energy greater than 3000kN.m. Xiong F. 1995 . Current situation and counter measures of comprehensive utilization of coal gangue in china, China Energy,12,23 25 in Chinese . View Article Google Scholar
2015 10 18 9.The Comprehensive Utilization and Evaluation of Gangue Resource in Guangyuan Tangjiahe 10.Analysis of Gangue Characteristics and Comprehensive Utilization in Bijie Prefecture, Guizhou Province
Coal gangue account for about 10 percent to 20 percent of raw coal's mass.The comprehensive utilization rate of domestic coal gangue is around 62.2 percent.To better utilize coal gangue,based on the analysis of coal gangue emission reduction technologies,direct and modified use technologies,utilization of heat energy and residue generated by coal gangue burning
The coal gangue is the largest source of industrial solid waste in our country,while it is also the second potential use of resources.The comprehensive utilization of coal gangue is not only the necessary of social needs but also an urgent requirement for the environment.Based on the analysis of composition,source and hazard of coal gangue,the article introduced several
2019 8 7 Comprehensive utilization and environmental risks of coal gangue: A review Journal of Cleaner Production IF 9.297 Jiayan Li,Jinman Wang The amount of coal gangue, a by product of coal mining and washing, is rapidly increasing with the growing trend of energy consumption.
2022 3 5 The northwest region is characterized by wide land area and rich resources, and is also the region for important development at the end of this century and f
Development of circular economy is a certain choice for economic sustainable development, to establish a circular eco industrial park for comprehensive utilization of coal gangue in coal enterprise is a new exploration for circular economy. In order to make vast and efficient use of existing and newly increased coal gangue to resolve the serious environmental and ecological
2019 8 7 Comprehensive utilization and environmental risks of coal gangue: A review Journal of Cleaner Production IF 9.297 Jiayan Li,Jinman Wang The amount of coal gangue, a by product of coal mining and washing, is rapidly increasing with the growing trend of energy consumption.
The invention discloses a comprehensive utilization method of coal gangue, relating to the technical field of coal gasification. On the premise of effectively and comprehensively utilizing the coal gangue, the method can avoid slag formation in the gasification technique, ensure the continuous and stable operation of the gasification process and widen the coal type
The invention relates to a method for comprehensive utilization of coal gangue. The method comprises the following steps: coal gangue crushing, pyrolyzing and activating, acid dissolving, residue filtering for supplying a carbon source, compressing and molding, reacting at a high temperature, crushing to obtain silicon carbide. According to the invention, the method for
The coal gangue is the largest source of industrial solid waste in our country,while it is also the second potential use of resources.The comprehensive utilization of coal gangue is not only the necessary of social needs but also an urgent requirement for the environment.Based on the analysis of composition,source and hazard of coal gangue,the article introduced several
The production line is a comprehensive utilization project of coal based solid waste jointly developed by Kunming University of Science and Technology and Guizhou Zisenyuan Group. Currently, it can process 5,000 tons of coal gangue annually.
According to the method provided by the invention, a technical route of complete utilization of the gangue is provided, and the technical route has great significance for methods and means of
2019 8 25 The high value utilization of coal gangue in the typical mining area Jungeer mining area is analyzed. The alumina is extracted by one step acid dissolution method, and the valuable elements such as gallium, germanium and lithium are extracted synergistically. The high value utilization of coal gangue in typical mining areas is given.
The production line is a comprehensive utilization project of coal based solid waste jointly developed by Kunming University of Science and Technology and Guizhou Zisenyuan Group. Currently, it can process 5,000 tons of coal gangue annually.
Coal gangue is a kind of solid waste which is discharged from coal mining and coal washing. Dumped gangues do not only take a large land occupation but also pollute air and water. Treatment and utilizing of coal gangues has become the major issue for the coal industry to resolve. As major experimental material in this study, the coal gangue from Dawukou,