Results 41 to 50 of about 74,904 (220)

Assessing the effectiveness of Hyparrhenia hirta in the rehabilitation of the ecosystem of a gold mine dump [PDF]

E3S Web of Conferences, 2020
The mining of gold is associated with several environmental challenges such as acid mine drainage, release of toxic metals which are associated to tailing sediments and have adversely impacted human health and the ecosystem.
Okereafor G.U, Makhatha M.E, Mekuto L, Mavumengwana V   +3 more
doaj   +1 more source

A review of the management of the mining and metallurgical engineering discipline of the NSFC in 2023

工程科学学报
This paper summarizes the application, review, and award of research funding in the Mining and Metallurgical Engineering discipline in the topics of petroleum engineering, mining engineering, safety science and engineering, and metallurgy and material ...
Xibo WANG, Hongyan MIAO, Junheng GAO, Hangyu LI, Jiaxu JIN, Jinwen BAI   +5 more
doaj   +1 more source

The impact of coal ash and slag dump on the quality of surface and ground waters - a case study [PDF]

Journal of the Serbian Chemical Society, 2019
This paper presents the assessment of the impact of coal ash and slag from the “Maljevac” dump on the quality of water of Paleški Creek, Montenegro. The obtained results confirm the negative influence of surface and groundwater from the dump on the water
Ćipranić Ivana, Marković Radmila, Đorđievski Stefan, Stevanović Zoran, Stevanović Marija   +4 more
doaj   +1 more source

Impact assessment of mine drainage water and municipal wastewater on the surface water in the vicinity of Bor [PDF]

Hemijska Industrija, 2015
Mining and copper production in Bor, in the past hundred years, had a huge impact on the environment of town, but also in a wide region. In the area of Bor, in the zone of Mining and Smelting Company (RTB) activity, over 29,000 ha of land under ...
Gardić Vojka R., Petrović Jelena V., Đurđevac-Ignjatović Lidija V., Kolaković Srđan R., Vujović Svetlana R.   +4 more
doaj   +1 more source

Laser‐Based Solidification of Cermets/Cemented Carbides: Processing‐Microstructure‐Property Relationships

Advanced Materials Technologies, EarlyView.
Recent research on laser‐processed cermets and cemented carbides highlights significant advancements, yet a notable paucity of studies and persistent challenges remain. Efforts are increasingly focused on developing low‐cost, environmentally friendly cermets as alternatives to conventional materials.
Himanshu Singh Maurya, Farid Akhtar, Konda Gokuldoss Prashanth   +2 more
wiley   +1 more source

Hierarchically Porous Nitrogen‐Doped Carbon with High Conductivity for Rapid and Efficient Cr(VI) Reduction

Advanced Science, EarlyView.
The d‐PNC(1100, 10%) catalyst, synthesized via a zinc‐based ionic liquid self‐sacrificing pore‐forming strategy to create a defect‐rich, hierarchical, nitrogen‐doped porous structure, enhances conductivity, promotes rapid mass transfer and synergistic catalytic activity, driving efficient Cr(VI) reduction in OA solution to generate Cr(III)‐OA complexes.
Danyan Lin, Jie Yang, Fengfeng Chen, Xishi Tai, Zhongshan Chen, Xinrong Guo, Xiangke Wang, Wen Yao   +7 more
wiley   +1 more source

Stage‐Specific Roles of Deep Eutectic Solvents in Recycling of Spent Lithium‐Ion Batteries

Advanced Energy Materials, EarlyView.
Deep eutectic solvents (DESs) offer tunable acidity, redox, and coordination properties for selective recycling of spent lithium‐ion battery cathodes. Through co‐dissolution, single‐ and two‐metal separations, DESs enable sustainable recovery of critical metals for closed‐loop regeneration of battery‐grade materials, advancing a circular economy for ...
Jingxiu Wang, Yan Wang, Yanqiu Lyu, Jianfeng Mao, Zaiping Guo   +4 more
wiley   +1 more source

Improvement of the stoping technology in mining magnetite quartzite by underground methods [PDF]

E3S Web of Conferences
The ore deposits in Kryvyi Rih iron ore basin are mined using bulk ore and overlying rocks caving systems. These mining systems have a significant drawback, namely a 2 – 5% reduction in the iron content of the mined ore mass when mining rich ores and up ...
Pysmennyi Serhii, Fedko Mykhaylo, Peremetchyk Andrii, Chukharev Serhii, Pilchyk Volodymyr, Mutambo Victor   +5 more
doaj   +1 more source

Roadmap on Artificial Intelligence‐Augmented Additive Manufacturing

Advanced Intelligent Systems, EarlyView.
This Roadmap outlines the transformative role of artificial intelligence‐augmented additive manufacturing, highlighting advances in design, monitoring, and product development. By integrating tools such as generative design, computer vision, digital twins, and closed‐loop control, it presents pathways toward smart, scalable, and autonomous additive ...
Ali Zolfagharian, Liuchao Jin, Qi Ge, Wei‐Hsin Liao, Andrés Díaz Lantada, Francisco Franco Martínez, Tianyu Zhang, Tao Liu, Charlie C. L. Wang, Mohammad Hossein Mosallanejad, Reza Ghanavati, Abdollah Saboori, Alejandro De Blas De Miguel, William Solórzano‐Requejo, Yi Cai, Xiangyang Dong, Huangyi Qu, Najmeh Samadiani, Guangyan Huang, Austin Downey, Yanzhou Fu, Lang Yuan, Tsz‐Kwan (Glory) Lee, Arbind Agrahari Baniya, Eisha Waseem, Abdul Rahman Sani, Abbas Z. Kouzani, Yijia Wu, Markus P. Nemitz, Masoud Shirzad, Dageon Oh, Seung Yun Nam, Amedeo Franco Bonatti, Irene Chiesa, Gabriele Maria Fortunato, Giovanni Vozzi, Carmelo De Maria, Mahdi Bodaghi   +37 more
wiley   +1 more source

Investigating the effects of porosity on the strength and mechanical behaviors of geo-materials’ specimens [PDF]

Analytical and Numerical Methods in Mining Engineering
Porosity plays a crucial role in both natural and man-made materials, serving as a fundamental microstructural characteristic that has a significant impact on their physical properties.
Abolfazl Dalirnasab, Mohammad Fatehi Marji, Hamid Reza Nejati, Mohsen Mohebbi   +3 more
doaj   +1 more source