Results 1 to 10 of about 25,332 (303)
SILICA PURIFICATION FORM MERAPI VOLCANO SAND AS PHOTOVOLTAIC RAW MATERIALS
Jurnal Sains Dasar, 2016 Purification of silica sand volcanic Mount Merapi has been done, for raw material photovoltaic. Leaching purification process is done using aqua regia solution, H2SO4, and HCl.
Sulistiyani Sulistiyani +2 more
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SeparationsTwo aluminum-coated silica adsorbents were evaluated using silica sand and microcrystalline silica as aluminum-oxide-based adsorbents with different crystalline silica base materials.
Kiana Modaresahmadi +2 more
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Results in Physics, 2018 Geothermal clay rich in kaolinite was first prepared into geopolymers in the preparation of alkali-activated cementitious binders (AACBs). Effects of silica sand and steel fiber aggregates on the microstructure and mechanical strength of the geothermal ...
Xing Li +5 more
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Extraction of Silicon From Silica Sand by Carbothermic Reduction in Mini DC-EAF [PDF]
E3S Web of ConferencesThis study explores silicon extraction from silica sand using different carbon sources: graphite powder, coke, and coconut shell charcoal. Experiments were conducted to assess the influence of carbon source variation and briquetting on metallic silicon ...
Tandersen Dale +7 more
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Cyclic Behavior of Calcareous Sand from the South China Sea
Journal of Marine Science and Engineering, 2021 This study examines the cyclic behavior of calcareous sand obtained from the South China Sea. A series of undrained cyclic triaxial tests were performed on the calcareous sand with various relative densities, cyclic stress ratios, and effective confining
Lu Liu +5 more
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International Journal of Concrete Structures and MaterialsEven to date, the excessive mining of natural river sand is an unattempted issue. It is a global problem that impacts the river's ecosystem and the environment.
Mohammad Nadeem Akhtar
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Labeling of silica sand with 99mTc for obtaining a solid radiotracer
Nucleus, 2020 To obtain 99mTc solid radiotracers, new porous supports are currently needed. Previous studies carried out by other authors showed the possibility of 99mTc labeling of sediments from rivers with a high content of aluminosilicates.
Yuri Aguilera Corrales +3 more
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PHYSICAL AND MECHANICAL PROPERTIES LIGHTWEIGHT CONCRETE AND THE USE STYROFOAM SILICA SAND
Journal of Civil EngineeringThe research is motivated rationale for reuse styrofoam waste (wrappers monitor) that is widely available on the ground that this cannot be destroyed or recycled.
Kurdian Suprapto +2 more
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Transport Characteristics of Green-Tea Nano-scale Zero Valent Iron as a Function of Soil Mineralogy
Chemical Engineering Transactions, 2012 The transport characteristics of iron nanoparticles prepared with a green tea, polyphenol-rich solution, were investigated for two granular media, pure silica sand and sand coated with aluminium hydroxide. The GT-nZVI injection caused a sharp decrease in
M. Chrysochoou, M. Mcguire, G. Dahal
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Enhanced Oxygen Mass Transfer in Mixing Bioreactor Using Silica Microparticles
FermentationThis work aimed to improve the oxygen transfer mass coefficient (kLa) in mixing reactors, first evaluating the effect of agitation and aeration and then evaluating the influence of the size and concentration of silica microparticles.
Matheus M. Pereira +5 more
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