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1
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Ochrona Powietrza i Problemy Odpadów
2005 Vol. 39 nr 4 117-123
PL W pracy przedstawiono wpływ składu chemicznego na własności sorpcyjne kamieni wapiennych, które potencjalnie mogą być stosowane jako sorbenty SO2. Przedstawiono wyniki badań wskaźnika reaktywności i stopnia konwersji dla różnych wapieni pochodzących z różnych złóż Polski. Na podstawie długofalowych [...]
EN The paper describes the influence of the chemical content on sorption properties of limestone that can be applied as a potential SO2 sorbent. Research data on the reactivity index and conversion degree for limestone originating from different deposits in Poland have been presented. Based on a long-t[...]
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Materiały Ceramiczne
PL Przedmiotem artykułu jest porównanie czasu dekarbonatyzacji wapienia jurajskiego ze złoża w Morawicy, wapienia prekambryjskiego Biała Marianna i wapienia triasowego pochodzącego z Tarnowa Opolskiego. Kryterium wyboru wapieni stanowiło jak największe zróżnicowanie ich właściwości, a w szczególności p[...]
EN The comparison of the calcination time of the Jurassic limestone from Morawica, the Pre-Cambrian marble called Biała Marianna and the Trias limestone from the region of Tarnów Opolski is the subject of the paper. The differentiation of the properties, especially the porosity, was the basic criterion[...]
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Acta Geologica Polonica
EN Devonian conodonts and ammonoids occurring in association in the Ouidane Chebbi section of the eastern Tafilalt (Anti-Atlas, Morocco) are described and analysed in terms of stratigraphy. The excellently exposed sequence spans the entire Devonian; it includes open-marine carbonates and shales deposit[...]
4
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Ochrona Powietrza i Problemy Odpadów
2005 Vol. 39 nr 6 199-205
PL W pracy przedstawiono wpływ składu frakcyjnego na własności sorpcyjne kamieni wapiennych, które potencjalnie mogą być używane jako sorbenty SO2. Przedstawiono wyniki badań stopnia konwersji dla różnych rozmiarów ziaren oraz wyniki testów przemysłowych stosowania drobnych sorbentów do odsiarczania sp[...]
EN The paper presents the impact of the grain size distribution on the sorption properties of limestone that can be used as a potential SO2 sorbent. Research data on conversion degree of different grain sizes of sorbents are presented alongside with the results of an industrial test of desulphurization[...]
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Geology, Geophysics and Environment
EN The objective of the present paper is to show clues which are provided for understanding the development and paleogeographic significance of the Lower Cretaceous carbonate platform sequences in different localities. The results are based mainly on the study of previous works and also on the prelimin[...]
6
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Geology, Geophysics and Environment
2016 Vol. 42, no. 1 109--110
EN The Mendeleev Rise (or Mendeleev Ridge) is a part of Central Arctic Uplifts domain that extends from the Eastern Siberian Shelfto the central areas of the ocean, where it is adjacent to the Alpha Ridge bisecting the Amerasian Basin. The crust of Mendeleev Rise belongs to the continental type (Poselo[...]
7
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Geology, Geophysics and Environment
2016 Vol. 42, no. 1 120--121
EN The Zalas quarry is located in the southern, marginal part of the Silesian-Cracovian Monocline. Permian rhyodacite laccolith has been exploited here for over 70 years. The intrusion was formed about 260–280 Ma during the Early Permian transtensional, sinistral tectonic regime predominating in centra[...]
8
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Geology, Geophysics and Environment
EN The Great Pyramid in Giza is the most researched and most recognisable object from the ancient world (Arnold 1991, Raynaud et al. 2008). Observations of its walls showed difference in colour of some limestone blocks used for building its core. Different colour of blocks results from the amount of fo[...]
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Geology, Geophysics and Environment
EN A sequence of the Jurassic-Cretaceous beds of the Manín Unit was exposed in the Manín Straits in the area of Middle Váh Valley (Strážovské Vrchy Mts.), east of the Považská Teplá village. Hettangian-Bajocian sandy crinoidal strata are uncovered at the beginning of the section which continues with th[...]
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Geology, Geophysics and Environment
2015 Vol. 41, no. 1 106--107
EN Palynological material was obtained from Upper Visean deposits in the borehole No 39 that is located on the left bank of the Oka River, on 105 km to the south-east of the Moscow in the Serpukhov district. The lithological sequence of the borehole generally consist of the limestones, stigmarian limes[...]
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Materiały Ceramiczne
2005 R. 57, nr 3 129-132
PL W artykule przedstawiono wyniki badań czasu dekarbonatyzacji, stopnia dysocjacji termicznej w funkcji czasu dekarbonatyzacji i przepuszczalności właściwej wapienia triasowego z okolic Tarnowa Opolskiego. W wapieniu tym obecny jest dolomit. W badaniach stwierdzono, że obecność dolomitu w wapieniu pow[...]
EN The results of the investigations of limestone calcination time, the conversion vs. calcination time and the specific permeability of the calcination product layer are shown in the paper. The investigations were performed using the Triassic limestone cylindrical samples from Tarnów Opolski. It was s[...]
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Geology, Geophysics and Environment
2014 Vol. 40, no. 1 133--134
EN Limestone and other carbonate rocks are commonly used as sorbents for removing sulfur oxides from coal combustion flue gases. The process is based on chemical reaction between calcium oxide CaO and sulfur dioxide SO2, which results in formation of anhydrite CaSO4. CaO required for the reaction is pr[...]
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Geology, Geophysics and Environment
2014 Vol. 40, no. 1 143--144
EN In the whole Upper Jurassic succession in the vicinity of Cracow area gravity mass flow deposits are observed. They are represented mainly by debris-flows, grain-flows, and other gravity-flows, and were noted by Felisiak (1983), Koszarski (1995), Matyszkiewicz & Krajewski (1996), Matyszkiewicz (1996[...]
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Technical Issues
2016 nr 1 66--73
EN Efficiency of Flue Gas Desulfurization System (FGD) is affected by numerous technical parameters like: proper fuel preparation, quantity and quality of fuel, combustion conditions in furnace chamber, quality of flue gas corresponding to the operating conditions of FGD system, design quantity and qua[...]
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Studia Quaternaria
2013 Vol. 30, Nr 2 115--123
EN Saqqara is one of the famous archaeological sites in the world. There is the oldest stone pyramid built by pharaoh Djoser from the Third Dynasty (around 4600 yrs BP). The components of his funerary complex were constructed of a characteristic creamish-white limestone of relatively great solidity, co[...]
16
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Acta Geologica Polonica
EN Based on the evidence of a regression in the Late Turonian (Cretaceous) scupini Zone of the Munsterland Cretaceous Basin (Westphalia), the exposures Nettlingen and Gross-Flothe are investigated in order to discover whether or not a comparable event can be observed in Lower Saxony. The lithological a[...]
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Geotourism / Geoturystyka
2014 nr 2 13--20
EN A development project of the Zalew Balaton area is being presently carried out. One of the project assumptions is to create a geological path across the object. However, detailed data about the geological structure of this place is not available. For this reason, the author has researched and update[...]
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Acta Geologica Polonica
EN The Turonian/Coniacian boundary succession in the United States Western Interior is characterized by the same inoceramid faunas as recognized in Europe, allowing the application of the same zonal scheme in both regions; Mytiloides scupini and Cremnoceramus waltersdorfensis zones in the tompost Turon[...]
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Acta Geophysica
EN Ground-penetrating radar (GPR) is a non-destructive geophysical technique to obtain information about shallow subsurface by transmitting electromagnetic waves into the ground and registering signals reflected from objects or layers with different dielectric properties. The present GPR study was cond[...]
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Machine Dynamics Research
EN This paper is about laboratory tests of crushing schemes of brittle materials. Tests were carried out in two stages. First stage involved tests of uniaxial compression of limestone using different types of punches. Second stage involved cutting limestone (same as used in first stage) using cutting t[...]
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