Zobrazeno 1 - 10
of 159
pro vyhledávání: '"coal-based solid waste"'
Autor:
Jing Zhou, Lang Liu, Yuan Zhao, Mengbo Zhu, Dengdeng Zhuang, Yuanyuan Zhao, Weiji Sun, Yongzhe Lyu
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 2140-2148 (2024)
Fly ash exhibits volcanic ash activity and can be utilized as a cementitious material to reduce filling costs. The limited flow characteristics of mine solid waste filling slurry can impact backfill efficiency. Instead of using a large amount of ceme
Externí odkaz:
https://doaj.org/article/d0875afa89dd408cbb78d4bb09573861
Autor:
Shuangming WANG, Lang LIU, Mengbo ZHU, Baoning WEI, Dengdeng ZHUANG, Huisheng QU, Wei HE, Chengcheng SHAO, Lei XIA, Jing ZHOU
Publikováno v:
Meitan xuebao, Vol 49, Iss 8, Pp 3291-3315 (2024)
The situation of coal as the stabilizer guarantee the energy safety in China cannot be changed in the short term, and it will continue to face the problems of coal resource protection and the low utilization rate of coal-based solid waste. Through in
Externí odkaz:
https://doaj.org/article/89971838d0ff42c090deb34e8c108a2f
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 5, Pp 301-315 (2024)
With the overconsumption of fossil carbon resources, resulting in a large amount of CO2 and other greenhouse gas emissions, caused by global climate change has become one of the major challenges facing all mankind. At the same time, the development a
Externí odkaz:
https://doaj.org/article/0caf812d62eb49178f03b3b6a3339d01
Autor:
Ke YANG, Shuxin HE, Xiang HE, Mo CHU, Wei ZHOU, Ning YUAN, Denghong CHEN, Peng GONG, Yuanchun ZHANG
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 4, Pp 69-82 (2024)
The construction of 14 large-scale coal bases and 89 demonstration bases for the comprehensive utilization of bulk solid waste in China marks that the utilization of bulk solid waste in mining areas has been incorporated into the national strategic d
Externí odkaz:
https://doaj.org/article/9491893da1ce4d3d9ea7f3675e01a6bc
Publikováno v:
Meikuang Anquan, Vol 55, Iss 4, Pp 134-142 (2024)
In order to study the consolidation bearing capacity of coal-based solid waste paste backfill in deep high ground temperature environment of coal mine, uniaxial compression and acoustic emission tests were used to test the strength and failure charac
Externí odkaz:
https://doaj.org/article/c079950a74684ef383cb1cf273d35b71
Autor:
Haidong Zhao, Jiqing Chang, Zifeng Miao, Hongjie Kang, Jianbing Ji, Yu Luan, Zhen Lu, Yong Guo
Publikováno v:
Heliyon, Vol 10, Iss 17, Pp e37095- (2024)
In this paper, coal-based solid waste, including fly ash, desulfurization gypsum, furnace bottom slag, and coal washing sludge in the ratio of 3:2:3:2 with a total of 200 tons/0.07 hm2, were used as the specialized main material for restoring the sal
Externí odkaz:
https://doaj.org/article/fd57a02d23934c6d9479c65367bed054
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e03125- (2024)
Artificial construction backfilling columns underground based on coal-based solid waste materials is an important method to slow down surface subsidence and reduce the environmental pollution caused by coal gangue hills and fly ash. Taking the Xinyan
Externí odkaz:
https://doaj.org/article/2983ad0f39024935bec7cabc450d46aa
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract The mix proportion of multi-source coal-based solid waste (CSW) for underground backfilling affects transportation and support performance of backfill materials, and even the backfilling cost. In this study, the optimal mix proportion of des
Externí odkaz:
https://doaj.org/article/859d894d5aff4b4ca63d10a6f37be35f
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 2, Pp 309-328 (2024)
The goal of “carbon peak and carbon neutrality” is China’s responsibility as a major country to maintain global ecological security, and it is also an important way to achieve high-quality development and ecological civilization construction. C
Externí odkaz:
https://doaj.org/article/5d0d392f8dcd4fe2a0f5d737de4908ff
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 2924-2934 (2024)
The backfilling mining technology for multi-source coal-based solid waste (MCSW) aligns with the key challenges and emerging paradigms in the coal industry, aiming at intelligent and cleaner coal mining, high efficiency, and low carbon utilization. T
Externí odkaz:
https://doaj.org/article/2d8adddc02d4426c9b43abce6c17c20e