Zobrazeno 1 - 10
of 849
pro vyhledávání: '"Coal waste"'
Publikováno v:
Kuangchan zonghe liyong, Vol 45, Iss 2, Pp 81-88 (2024)
This is an article in the field of ceramics and composites.To explore the feasibility of using coal waste to replace cement for concrete preparation, the activated coal slag powder and coal gangue powder were used to replace cement at a ratio of 0%,
Externí odkaz:
https://doaj.org/article/dc53d0f0c28747e986896e80ca6ade35
Autor:
Jorge Espinha Marques, Aracelis Narayan, Patrícia Santos, Joana Ribeiro, Sara C. Antunes, Armindo Melo, Fernando Rocha, Deolinda Flores, Catarina Mansilha
Publikováno v:
Hydrology, Vol 11, Iss 5, p 62 (2024)
Coal mining often produces severe environmental effects, including impacts on the soil system and, specifically, on hydropedological conditions that control the leaching of significant ions and Potentially Toxic Elements (PTEs). The research objectiv
Externí odkaz:
https://doaj.org/article/1b0c7c11401748508f252222e7e2ab92
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 2, Pp 412-421 (2023)
Spontaneous combustion of coal waste dumps is a huge challenge in land reclamation and ecological environment protection in mining areas. Advance and timely monitoring and early warning in spontaneous combustion process are crucial, and have always b
Externí odkaz:
https://doaj.org/article/499e5b2784a64c2a9a512268e30be06e
Publikováno v:
International Journal of Electrical, Energy and Power System Engineering, Vol 5, Iss 3, Pp 61-66 (2022)
In coal mining, to check the pH content of the water in the liquid waste from coal mining, most of the mining workers use conventional methods, namely by measuring using a digital pH meter or litmus paper periodically. Manual pH reading system makes
Externí odkaz:
https://doaj.org/article/8b9f36545d294b978065594d223642c7
Publikováno v:
Remote Sensing, Vol 16, Iss 5, p 881 (2024)
Frequent spontaneous combustion activities restrict ecological restoration of coal waste dumps after reclamation. Effective monitoring of vegetation restoration is important for ensuring land reclamation success and preserving the ecological environm
Externí odkaz:
https://doaj.org/article/d1505ab8408d4ac3bba5e428a1313333
Akademický článek
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Publikováno v:
Journal of Degraded and Mining Lands Management, Vol 9, Iss 4, Pp 3595-3603 (2022)
Topsoil in post-mined land generally has a low fertility level. Its availability is not always in sufficient quantities to meet minimal needs for mine reclamation, so substitute materials and ameliorants are needed to increase its quantity and qualit
Externí odkaz:
https://doaj.org/article/cd5bc83dd7d84d85a123c2f7c83a97c5
Autor:
Andiswa Kaleni, Sifiso Innocent Magagula, Mary Tholwana Motloung, Mokgaotsa Jonas Mochane, Teboho Clement Mokhena
Publikováno v:
eXPRESS Polymer Letters, Vol 16, Iss 7, Pp 735-759 (2022)
Energy and environmental protection are two major problems that are faced by the current generation. Coal has been utilized traditionally as a source of electricity globally. However, more ash is generated from the combustion of coal which is carried
Externí odkaz:
https://doaj.org/article/1f0fe83172dc46b0811804df188ff894
Autor:
Jairo José Zocche, Luci Mari Sehn, Jéssica Goulart Pillon, Carlos Henrique Schneider, Eduarda Fraga Olivo, Fabiano Raupp-Pereira
Publikováno v:
Cleaner Engineering and Technology, Vol 13, Iss , Pp 100618- (2023)
This study assessed the viability of the combined use of coal processing waste (CPW), rice processing waste (RPW), poultry agro-industry sludge (PAS), synthetic gypsum (SG), topsoil (TS), and B horizon soil (BH) to reclaim areas degraded by coal mini
Externí odkaz:
https://doaj.org/article/051deb3d8cb04042abb84605de910199