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Showing 1 to 3 of 3 for “"Coal geology"”.
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Effects of physical and chemical properties of bright and dull coal lithotypes on the formation of char particles
… from bituminous, subbituminous and lignitic coals to determine physical and chemical properties that may lead to the formation of different charforms, and consequently, fine and sticky ash that is problematic in coal-fired combustion systems. </p><p>Proximate and ultimate, maceral, and energy …
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Petrology of the Beulah-Zap lignite bed, Sentinel Butte Formation (Paleocene), Mercer County, North Dakota
… follow patterns similar to those of bituminous coals. Coal petrology, the study of maceral and lithotype occurrence and I distribution, was applied to determine: 1) mode of coalification, and 2) depositional environment of the Beulah-Zap lign1te.</p> <p>The lignite seams were divided into …
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Τυρφογένεση και εξελικτική πορεία τυρφώνων στην Ελλάδα
Στην παρούσα διατριβή διερευνώνται οι διεργασίες που λαμβάνουν χώρα στο τυρφογενές στρώμα, έτσι ώστε να ανιχνευθούν οι μεταβολές των φυσικών, πετρογραφικών και χημικών χαρακτηριστικών των οργανικών ιζημάτων συναρτήσει των παραμέτρων τυρφογένεσης, όπως το κλίμα και οι τοπικές γεωλογικές συνθήκες. …