Results 91 to 100 of about 353,530 (338)
Synthesis of carbon‐zeolite porous composite from tailings solvent recovery units. Abstract Millions of metric tonnes of tailings solvent recovery units (TSRU) stream are produced annually by the oil sands mining industries and stored in the tailing ponds.
Umang Patel+2 more
wiley +1 more source
Energy and precious fuels requirements of fuel alcohol production. Volume 4: Appendices G and H, methanol from coal [PDF]
Coal mine location, mining technology, energy consumption in mining, coal transport, and potential availability of coal are discussed.
Back, G., Reddy, T. S., Weinblatt, H.
core +1 more source
Socioeconomic Impacts of Potential Wishbone Hill Coal Mining Activity [PDF]
The purpose of this study is to assess some of the significant socioeconomic effects of potential coal mining activity at Wishbone Hill. The analysis scenario assumes a 16-year period of startup and mine production using two known deposits that are ...
Colt, Steve, Schwörer, Tobias
core
Corn cob pyrolysis: A systematic literature review of methods and applications
Mapping the research landscape of corn cob pyrolysis. Abstractas The agricultural sector is experiencing a surge in waste generation due to population growth, creating an urgent need to convert byproducts into value‐added products. Maize (Zea mays L.), a leading global crop, produces significant byproducts, such as corn cob, which are often undervalued.
Vilmar Steffen+5 more
wiley +1 more source
Coal pillar burst mechanism and prevention based on local mine stiffness (LMS) criterion
The frequent occurrence of coal burst seriously threatens the safe and efficient recovery of coal resources. The research on the mechanism of coal burst is the basis of prediction and disaster prevention.
Fuqiang GAO+7 more
doaj +1 more source
Research on intelligent conveying technology of 500 m ultra-long face scraper
In the field of medium and thick coal seam mining, intelligent mining of ultra-long face is the development trend of coal mining technology, and intelligent transportation is an important part of it.Based on the summary of the problems of the scraper ...
Weixiu CUI+3 more
doaj +1 more source
Tri‐reforming of Methane over a Hydroxyapatite‐Supported Nickel Catalyst Prepared by Cation Exchange
A hydroxyapatite‐supported nickel catalyst containing 1 wt% nickel loading is successfully prepared by ion exchange, showing excellent catalytic performance in the trireforming of methane reaction at 800 °C and 1.4 bar. Catalytic steam reforming of methane is a major process to produce synthetic gas (syngas), deployed at a large industrial scale ...
Xuan‐Huynh Pham+2 more
wiley +1 more source
This paper analyzes the current situation and existing problems of coal roadway driving technologies and equipment, introduces the new mode, technology, equipment of coal roadway rapid driving with integrated drilling and anchoring and its underground ...
Hongpu KANG+13 more
doaj +1 more source
THE NIGERIAN COAL CORPORATION: AN EVALUATION OF PRODUCTION PERFORMANCE(1960 1987) [PDF]
COAL WAS DISCOVERED IN NIGERIA IN 1909 AND COAL MINING STARTED WITH A DRIFT MINE AT OGBETE, ENUGU IN 1915. SINCE 1958/59, WHEN COAL PRODUCTION REACHED ITS PEAK, THERE HAS BEEN A PERSISTENT FLUCTUATION IN THE AMOUNT OF COAL PRODUCED IN SUBSEQUENT YEARS ...
DR. GODWIN CHUKWUDUM NWAOBI
core
ABSTRACT This rapid scoping review examines the interplay between public administration and community resilience during the COVID‐19 pandemic, focusing on the type of research conducted, emerging themes in resilience studies, and key lessons learned. The findings show that research in the Global North has primarily examined resilience at the city level,
Daniela Gröschke
wiley +1 more source