3
No Pembahasan 1 2 3 4 Isotherms for metoprolol were determined for the competitive sorption under the influence of single inorganic cations (Na+, NH4+ , Ca2+, Mg2+) as well as for the combined effect of two cation types. Furthermore, the contribution of oxidic surfaces (amorphous SiO2) for further potentially occurring sorption processes (e.g., hydrogen bonding, hydrophobic interactions) can be elucidated. As a result, sorption on silica surfaces can be studied separately and valuable implications for more complex natural or technical systems may be derived. This is because many silanolbearing materials, such as quartz and further minerals (Nyfeler and Armbruster, 1998), are essential components of natural sorbents. Porous silica has been extensively used in industry due to its low cost and the different pore structure with multi-scale controlled pore size Silica has a quite reactive surface due to the presence of silanol groups, capable of adsorbing organic and inorganic species and this property can be enhanced when silica is shaped as colloidal particles Silica is a polymer of silicic acid consisting of interlinked SiO4 units in a tetrahedral fashion with the general formula SiO2 the sol–gel technique [19,21-23] is the most common method for silica synthesis. It involves simultaneous hydrolysis and condensation reaction. In this process, a sol of sodium silicate or silicon alkoxide or halide gets converted into a polymeric network of gel. During silica synthesis by sol–gel process under certain conditions like restriction of gel growth, silica gets precipitated. In such preparation, the steps involved are coagulation and precipitation from silica solution

Silika Resume

Embed Size (px)

DESCRIPTION

just resume

Citation preview

Sheet1NoPembahasanJudulJurnalPengarang1Isotherms for metoprolol were determined for the competitive sorption under the influence of single inorganic cations (Na+, NH4+ , Ca2+, Mg2+) as well as for the combined effect of two cation types. Furthermore, the contribution of oxidic surfaces (amorphous SiO2) for further potentially occurring sorption processes (e.g., hydrogen bonding, hydrophobic interactions) can be elucidated. As a result, sorption on silica surfaces can be studied separately and valuable implications for more complex natural or technical systems may be derived. This is because many silanolbearing materials, such as quartz and further minerals (Nyfeler and Armbruster, 1998), are essential components of natural sorbents.Sorption of the organic cation metoprolol on silica gel from its aqueous solution considering the competition of inorganic cationswater research 54 (2014) 273-283Susann Kutzner, Mario Schaffer, Hilmar Bornick, Tobias Licha, Eckhard Worch2Porous silica has been extensively used in industry due to its low cost and the different pore structure with multi-scale controlled pore sizeLow-cost and effective phenol and basic dyes trapper derived from the porous silica coated with hydrotalcite gelJournal of Colloid and Interface Science 358 (2011) 554561Yu Fei Tao, Wei Gang Lin, Ling Gao, Jin Yang, Yu Zhou, Jia Yuan Yang, Feng Wei, Ying Wang, Jian Hua Zhu3Silica has a quite reactive surface due to the presence of silanol groups, capable of adsorbing organic and inorganic species and this property can be enhanced when silica is shaped as colloidal particlesSilica nanoparticles assisted photodegradation of acridine orange in aqueous suspensionsApplied Catalysis B: Environmental 168-169 (2015) 363369Roberta Selvaggi, Luigi Tarpani, Alessia Santuari, Stefano Giovagnoli, Loredana Latterini4Silica is a polymer of silicic acid consisting of interlinked SiO4 units in a tetrahedral fashion with the general formula SiO2Synthesis of silica nanoparticles from Vietnamese rice husk by solgel methodNanoscale Research Letters 2013, 8:58Van Hai Le, Chi Nhan Ha Thuc and Huy Ha Thucthe solgel technique [19,21-23] is the most common method for silica synthesis. It involves simultaneous hydrolysis and condensation reaction. In this process, a sol of sodium silicate or silicon alkoxide or halide gets converted into a polymeric network of gel. During silica synthesis by solgel process under certain conditions like restriction of gel growth, silica gets precipitated. In such preparation, the steps involved are coagulation and precipitation from silica solution

Sheet2

Sheet3