Experimental measurements for torrefied biomass Co-combustion in a 1 MWth pulverized coal-fired furnace
Sign Up to like & getrecommendations! Published in 2020 at "Journal of The Energy Institute"
DOI: 10.1016/j.joei.2019.07.008
Abstract: Abstract Biogenic residues upgraded by torrefaction are well suited for co-firing in existing thermal power plants due to their increased net calorific value, their improved grindability and their good characteristics regarding storage and transport. In… read more here.
Keywords: mwth pulverized; hard coal; pulverized coal; biomass ... See more keywords
The role of plants and soil properties in the enzyme activities of substrates on hard coal mine spoil heaps
Sign Up to like & getrecommendations! Published in 2021 at "Scientific Reports"
DOI: 10.1038/s41598-021-84673-0
Abstract: Knowledge about biotic (plant species diversity, biomass) and/or abiotic (physicochemical substrate parameters) factors that determine enzyme activity and functional diversity of the substrate on hard coal spoil heaps is limited. Spontaneously developed vegetation patches dominated… read more here.
Keywords: diversity; hard coal; soil; activity ... See more keywords
Hard Coal Production Competitiveness in Poland
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Mining Science"
DOI: 10.1134/s1062739120026806
Abstract: An analysis of the competitiveness of the Polish hard coal mining sector was performed. The most important conditions in which it operates were presented—the size of the resource base, the current organizational structure, and operating… read more here.
Keywords: coal production; production competitiveness; hard coal; competitiveness poland ... See more keywords
Content of Heavy Metals in Reclaimed Soil Material and Hard Coal Ash 15 Years after the Experiment
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Ecological Engineering"
DOI: 10.12911/22998993/134177
Abstract: The paper the results obtained during hard coal ash reclamation. This model was created by covering the ash surface with the layers consisting of ash, organic by-products and mineral fertilizers. The aim of the studies,… read more here.
Keywords: years experiment; coal ash; hard coal; heavy metals ... See more keywords
How Miners and Other Professional Groups Perceive the Benefits and Risks of Hard Coal Mining: A Study on the Role of the Affect Heuristic
Sign Up to like & getrecommendations! Published in 2021 at "Frontiers in Psychology"
DOI: 10.3389/fpsyg.2021.656960
Abstract: The problems that are inherent in the green shift of the energy sectors are particularly visible in countries where the hard coal mining industry plays an important role in the economy and society. For any… read more here.
Keywords: hard coal; affect heuristic; coal mining; role ... See more keywords
The Influence of Temperature on the Expansion of a Hard Coal-Gas System
Sign Up to like & getrecommendations! Published in 2018 at "Energies"
DOI: 10.3390/en11102735
Abstract: This paper presents experimental results of the sorption-dilatometric kinetics of methane and carbon dioxide on a sample of hard coal from one of the coal mines in the Upper Silesian Coal Basin. The experiment included… read more here.
Keywords: temperature; expansion; gas; hard coal ... See more keywords
Dynamic Tensile Strength of Dry and Saturated Hard Coal under Impact Loading
Sign Up to like & getrecommendations! Published in 2020 at "Energies"
DOI: 10.3390/en13051273
Abstract: To evaluate the influence of water content on the hard coal dynamic behavior, the dynamic tensile properties of saturated coal Brazilian disk (BD) samples were studied using a split Hopkinson pressure bar system, and dry… read more here.
Keywords: tensile strength; saturated coal; hard coal; dynamic tensile ... See more keywords
Application of Remote Sensing, GIS and Machine Learning with Geographically Weighted Regression in Assessing the Impact of Hard Coal Mining on the Natural Environment
Sign Up to like & getrecommendations! Published in 2020 at "Sustainability"
DOI: 10.3390/su12229338
Abstract: Mining operations cause negative changes in the environment. Therefore, such areas require constant monitoring, which can benefit from remote sensing data. In this article, research was carried out on the environmental impact of underground hard… read more here.
Keywords: machine; machine learning; coal mining; remote sensing ... See more keywords
Quantifying CH4 emissions from hard coal mines using mobile sun-viewing Fourier transform spectrometry
Sign Up to like & getrecommendations! Published in 2019 at "Atmospheric Measurement Techniques"
DOI: 10.5194/amt-12-5217-2019
Abstract: Abstract. Methane (CH4) emissions from coal production amount to roughly one-third of European anthropogenic CH4 emissions in the atmosphere. Poland is the largest hard coal producer in the European Union with the Polish side of… read more here.
Keywords: hard coal; fourier transform; sun viewing; ch4 emissions ... See more keywords