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Water Conservation and Management with Hydrophobic Encapsulation of Sand

Salem, Mohammed; Al-Zayadneh, Wasef; Cheruth, Abdul - In: Water Resources Management 24 (2010) 10, pp. 2237-2246

Hydrophobic sand (HS) is ordinary beach sand coated with tiny particles of pure silica, which have been exposed to a …

Persistent link: https://www.econbiz.de/10010997766

The role of steam in silica vaporization and ultrafine particulate matter formation during wet oxy-coal combustion

Xu, Yishu; Liu, Xiaowei; Zhou, Zijian; Sheng, Lei; … - In: Applied Energy 133 (2014) C, pp. 144-151

air combustion. Silica (SiO2) is a major component of the mineral impurities in coal and the vaporization of silicon …–condensation mechanism. To investigate the vaporization behavior of silica in wet recycle oxy-coal combustion conditions, synthetic chars … silica. The improved model was developed based on a model built in conventional air combustion conditions and verified by the …

Persistent link: https://www.econbiz.de/10010930638

Multifractal characteristics of silica xerogels gelated in various evaporation conditions

Huang, Wen Lai; Cui, Shi Hua; Yuan, Zhang Fu; Liang, … - In: Physica A: Statistical Mechanics and its Applications 312 (2002) 1, pp. 70-78

An acid-catalyzed TEOS system has gelated under four different solvent evaporation conditions, and the singularity spectra of the resultant xerogels have been determined with image analysis methods and discussed in combination with their mesoporosity values. Generally, larger scale of...

Persistent link: https://www.econbiz.de/10010591477

On the role of the silica-containing catalyst layer for proton exchange membrane fuel cells

Jung, Chi-Young; Yi, Jae-You; Yi, Sung-Chul - In: Energy 68 (2014) C, pp. 794-800

. Herein, we present size-controlled SiO2 (silica) nanoparticles in the CLs (catalyst layers) to provide sufficient water to …

Persistent link: https://www.econbiz.de/10011055805

Phase-change characteristics and thermal performance of form-stable n-alkanes/silica composite phase change materials fabricated by sodium silicate precursor

He, Fang; Wang, Xiaodong; Wu, Dezhen - In: Renewable Energy 74 (2015) C, pp. 689-698

A series of n-alkanes/silica composites as form-stable phase change materials (PCMs) were synthesized in a sol … the n-alkanes/silica composites, and transmission electric micrographs confirm that the n-alkanes have been well … encapsulated by silica. These n-alkanes/silica composites keep a good sharp stability due to the support of silica wall even if the …

Persistent link: https://www.econbiz.de/10011076875