Zobrazeno 1 - 10
of 141
pro vyhledávání: '"Herbert PÖLLMANN"'
Publikováno v:
ACS Omega, Vol 9, Iss 14, Pp 15781-15803 (2024)
Externí odkaz:
https://doaj.org/article/58e058c7c4404712bc586cf41c7f4d31
Autor:
Harald G. Dill, Andrei Buzatu, Christopher Kleyer, Sorin-Ionut Balaban, Herbert Pöllmann, Martin Füssel
Publikováno v:
Minerals, Vol 12, Iss 9, p 1118 (2022)
The “natural GMS laboratory” (granulometry-morphometry-situmetry) is located within the Variscan Basement in SE Germany (Fichtelgebirge Mts.), which is uplifted relative to its Permo-Mesozoic foreland along a deep-seated lineamentary fault zone.
Externí odkaz:
https://doaj.org/article/c595bc6a8454451290b262870cc538a3
Autor:
Uwe König, Herbert Pöllmann
Publikováno v:
Minerals, Vol 12, Iss 7, p 902 (2022)
The shift towards lower grade ore deposits, sustainable energy, CO2 reduction, volatile market conditions and digitalization has pushed the mining and minerals industry towards predictive, sustainable and agile analytical solutions to improve safety
Externí odkaz:
https://doaj.org/article/9cc22a530aaa464c80f5bfe4e021e0d5
Autor:
Herbert Pöllmann, Uwe König
Publikováno v:
Minerals, Vol 11, Iss 10, p 1058 (2021)
Lithium plays an increasing role in battery applications, but is also used in ceramics and other chemical applications. Therefore, a higher demand can be expected for the coming years. Lithium occurs in nature mainly in different mineralizations but
Externí odkaz:
https://doaj.org/article/9179936a5fcb4a98acfe55069e30415e
Publikováno v:
Minerals, Vol 11, Iss 7, p 677 (2021)
Mineralogical appraisal is an important tool for both mining and industrial processes. X-ray powder diffraction analysis (XRPD) can deliver fast and reliable mineralogical quantification results to aid industrial processes and improve ore recoveries.
Externí odkaz:
https://doaj.org/article/721867cb24cc45a9aa003659bedd690a
Autor:
Woshington S. Brito, André L. Mileo Ferraioli Silva, Rozineide A. A. Boca Santa, Kristoff Svensson, José Antônio da Silva Souza, Herbert Pöllmann, Humberto Gracher Riella
Publikováno v:
Advances in Materials Science and Engineering, Vol 2018 (2018)
Sustainable civil construction in the future, besides having low energy consumption and greenhouse gas emissions, must also adopt the principle of reusing wastes generated in the production chain that impact the environment. The aluminum production c
Externí odkaz:
https://doaj.org/article/dc0d7e91f72a4bd9bf17e365ecebc2dd
Publikováno v:
Applied Sciences, Vol 9, Iss 6, p 1259 (2019)
The reaction of wollastonite with CO2 accompanied by SO2 and NO2 in the presence of a chloride-rich brine (230 g/L NaCl, 15 g/L CaCl2, 5 g/L MgCl2) at temperatures relevant to injection conditions (333 K) in carbon capture and storage (CCS) were inve
Externí odkaz:
https://doaj.org/article/1989b907466f4eb585d90b8885e5bc34
Publikováno v:
Applied Sciences, Vol 8, Iss 2, p 304 (2018)
The reaction of wollastonite (CaSiO3) with CO2 in the presence of aqueous solutions (H2O) and varied temperature conditions (296 K, 323 K, and 333 K) was investigated. The educts (CaSiO3) and the products (CaCO3 and SiO2) were analyzed by scanning el
Externí odkaz:
https://doaj.org/article/e5d836fa82444bd6b9781a2011fdfb15
Autor:
Marcondes Lima da COSTA, Anna Cristina Resque Lopes da SILVA, Rômulo Simões ANGÉLICA, Herbert PÖLLMANN, Walter SCHUCKMANN
Publikováno v:
Acta Amazonica, Vol 32, Iss 3, Pp 431-431 (2002)
Os muiraquitãs são artefatos líticos com formas batraquianas confeccionados principalmente em pedra verde, tipo jade, utilizados pelos povos Tapajó/Santarém e Conduri do Baixo Amazonas, dizimados pelos colonizadores europeus. Eram utilizados com
Externí odkaz:
https://doaj.org/article/9f2ffd86187149cfa4e823a1c6e0b19a
Autor:
Herbert Pöllmann
Aside from water the materials which are used by mankind in highest quantities arecementitious materials and concrete. This book shows how the quality of the technical product depends on mineral phases and their reactions during the hydration and str
