Results 21 to 30 of about 307,701 (295)
ACI Avances en Ciencias e Ingenierías, 2010 This work presents the preparation of mesoporous aluminum silicates from condensation of xerogel obtained from Tetraethyl orthosilicate (TEOS) and other aluminum precursos from various sources.
Alexis Hidrobo +2 more
doaj +1 more source
Geophysical Monograph Series, Page 97-104., 2020 This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.
Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions
Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Daniele Cherniak +2 more
wiley +8 more sources
Experimental study of lead (II) removal using polymorphous silica adsorbents [PDF]
International Journal of Mining and Geo-Engineering, 2019 Adsorption of lead(II) as a major heavy metal pollutant onto nano-adsorbents of Andalusite, Kyanite and Sillimanite was studied in a batch system.
Saleh Nosrati +2 more
doaj +1 more source
Speciation of selected trace and major elements in lignite used in "Nikola Tesla A" power plant (Obrenovac, Serbia) [PDF]
Journal of the Serbian Chemical Society, 2005 Four samples of milled lignite used in the "Nikola Tesla A" power plant located in Obrenovac near Belgrade, were subjected to a five-step sequential extraction, comprising of the following phases: distilled water, 1M ammonium acetate, 0.2M ammonium ...
Popović Aleksandar R. +1 more
doaj +3 more sources
Ядерна фізика та енергетика, 2019 Using the X-ray diffraction method, the phase content of brown ceramics of lava-like fuel-containing materials of the “New Safe Confinement – Shelter Object” Complex was investigated.
S. V. Gabielkov +6 more
doaj +1 more source
Metals, 2017 A novel technique was developed for the recovery of lithium and aluminum from coal fly ash using a combination of pre-desilication and an intensified acid leaching process. The main components of the high-aluminum fly ash were found to be Al2O3 and SiO2,
Shenyong Li +5 more
doaj +1 more source
Reviews on Advanced Materials Science, 2020 The present review paper focuses on the current state of the art of the alumina-silicate ceramics and surface modifications of ceramics dedicated as fillers in composites with carbon fiber. The use of aluminum-silicates in the form of a cenosphere due to
Nakonieczny Damian S. +2 more
doaj +1 more source
Geosciences, 2020 The main objectives of the present study were to (i) investigate the effects of mineralogy and solid-phase distribution on element bioaccessibility and (ii) perform a risk assessment to calculate the risks to human health via the ingestion pathway ...
Amélia P. Marinho-Reis +7 more
doaj +1 more source
Molecules, 2023 This paper reports the synthesis and structural analysis of mesoporous silica materials with the use of aluminum phyllosilicate clay (bentonite) as an alternative silica source.
Malgorzata Zienkiewicz-Strzalka +4 more
doaj +1 more source
Understanding the biochar's role in ameliorating soil acidity
Journal of Integrative Agriculture, 2019 Extensive acidic soils, which suffer from accelerated soil acidification, are found in southern China. Soil acidity, aluminum toxicity, and nutrient deficiencies severely limited crop productivity in acidic soils.
Ren-yong SHI +3 more
doaj +1 more source