Results 61 to 70 of about 4,150 (219)
Gong-kuang zidonghua, 2014 An automatic identification system of coal and gangue for fullly-mechanized coal caving working face based on vibration signal was proposed, structure and working principle of the system were introduced and design schemes of software and hardware of coal
ZHANG Liang +3 more
doaj +1 more source
A Study of Multispectral Technology and Two-Dimension Autoencoder for Coal and Gangue Recognition
IEEE Access, 2020 Coal is one of the main sources of human energy. In the process of coal mining, separating gangue from coal has great significance for environmental protection and energy conservation.
Wenhao Lai +4 more
doaj +1 more source
Research on Recognition of Coal and Gangue Based on Laser Speckle Images
Sensors, 2023 Coal gangue image recognition is a critical technology for achieving automatic separation in coal processing, characterized by its rapid, environmentally friendly, and energy-saving nature.
Hequn Li +5 more
doaj +1 more source
The Chemical Record, EarlyView.Geopolymers are presented as a chemically programmable platform whose properties emerge from activation chemistry, nanoscale disorder, and interfacial design. The review highlights sustainability challenges, the shift toward nanoengineered and hybrid systems, and the rise of halloysite‐based architectures enabling tunable structures across scales for ...
Martina Maria Calvino +4 more
wiley +1 more source
Research progress on in-situ intelligent sorting and filling technology of coal gangue underground [PDF]
Coal gangue needs to be transported to the ground for further treatment in traditional underground mines, which not only occupies land spaces, but also causes atmospheric and environmental pollutions due to spontaneous combustion and rainwater leaching ...
Fengqi GUO +4 more
core +1 more source
Technology and engineering test of filling goaf with coal gangue slurry
Scientific Reports, 2023 Based on the greening and low interference disposal requirements of coal gangue in high-yield and high-efficiency mines in Inner Mongolia and Shaanxi, and by integrating the existing theories and technologies such as underground filling technology of ...
Shengrong Xie +7 more
doaj +1 more source
Road Performance Evaluation of Unburned Coal Gangue in Cold Regions
, 2023 At present, the cumulative storage of coal gangue in China exceeds 7 billion tons, covering an area of approximately 70 km2. The engineering application of unburned coal gangue is mainly utilized as concrete aggregate or cement production after the ...
Xiaohe Chai +5 more
core +1 more source
Toward Carbon Neutrality: Pathways and Challenges in Green Steel Production
cScience, Volume 2, Issue 2, June 2026.ABSTRACT Steel, a cornerstone of modern civilization and economic growth, has experienced exponential production growth, resulting in substantial carbon emissions owing to reliance on fossil‐based reducing agents and fuels. Although conventional steelmaking methods have improved, achieving the climate targets outlined in the Paris Agreement requires ...
Xianfeng Hu +3 more
wiley +1 more source
能源环境保护, 2023 Coal gangue has been the biggest industrial solid waste discharged in our country, with the cumulative stockpile of more than 7 billion tons. The accumulation and discharge of coal gangue occupy a large amount of land, pollute the soil, air and water ...
WU Changliang +3 more
doaj +1 more source
cScience, Volume 2, Issue 2, June 2026.ABSTRACT The conversion of waste materials into solid CO2 adsorbents is a promising strategy for carbon capture and waste management. In this review, we discuss recent advances in the preparation and modification of waste‐derived CO2 adsorbents, including carbon‐based materials, zeolites, metal–organic frameworks, layered double hydroxides, CaO, and ...
Han Zhang +3 more
wiley +1 more source