Mercado, S., Santoyo, E., Gamino, H., Lopez-Rubalcaba, H. (1985) Colloidal silica removal from geothermal waters using ultrafiltration systems. In: Proc. Int. Symp. on Geothermal Energy, Geothermal Resources Council, Transactions 9, Part II: 263-267....
Colloidal silica is either polymerised silicon with multiple units of silicon dioxide, or silicon that has formed loose bonds with organic compounds or other complex inorganic compounds such as calcium oxide and aluminium silicate. From: Membrane Technology and Engineering for Water Purification (Second...
when introduced directly into groundwater from landfills, they can form as emulsions of small droplets from free-phase hydrocarbons or other immiscible liquids. The most frequently occurring subsurface colloids are inorganic nanoparticles (clay minerals, metal oxides or oxyhydroxides, silica, carbonates),...
5aiv, when pure pentaerythritol tetraacrylate (PTTA) is used as precursor, a solid film with while-blue color (normally come from the Mie scattering of disorderly-arranged nanoparticles33) was obtained. This is probably because silica nanoparticles cannot be homogeneously dispersed in the hydrophobic ...
Scanning electron microscopy of specimen heat treated at 200 °C reveals that the removal of water and copolymer from the as-printed material leads to a glass-like microstructure of densely packed silica particles without long-range order (Fig. 3c). The colloidal glass obtained indicates that ...
内容提示: EUROPEAN PHARMACOPOEIA 7.0Silica, colloidal anhydrousB. 1,1,1,3,3,3-hexafluoro-2-methoxypropane,C. 1,1,1,3,3,3-hexafluoropropan-2-ol.01/2008:1149SHELLACLaccaDEFINITIONPurified material obtained from the resinous secretion of thefemale insect Kerria lacca (Kerr) Lindinger (Laccifer ...
With PEA as the core and silica as the shell, each resultant hollow particle had a hydrophobic cavity and an amphiphilic surface, thus serving as a good colloidal collector for hydrophobic contaminants in water. 展开 关键词: Nanofluid Nanosuspension Rheology Rheometry Viscosity Pressure Electrorheology...
内容提示: EUROPEAN PHARMACOPOEIA 7.0 Silica, colloidal anhydrous B. 1,1,1,3,3,3-hexafluoro-2-methoxypropane, C. 1,1,1,3,3,3-hexafluoropropan-2-ol. 01/2008:1149 SHELLAC Lacca DEFINITION Purified material obtained from the resinous secretion of the female insect Kerria lacca (Kerr) ...
After removal of water, the solution was cooled to 70 °C and 0.09 g tin (II) dioctoate as catalyst was added to facilitate the reaction. At this stage, 9.44 g of 3-isopropenyl-α,α-dimethylbenzyl isocyanate (m-TMI) was injected to the flask, and the mixture was allowed to reflux ...
However, there are few studies on the synergistic effect of compound surfactants on the removal of colloidal silica particles. In this study, an alkaline cleaning solution based on FA/OII system was developed for the removal of SiO2 particles remaining after copper CMP. The effect of non-ionic ...