Organic–inorganic hybrid gels for the selective absorption of oils from water

详细信息    查看全文

• 作者：Gulsah Ozan Aydin ; Hayal Bulbul Sonmez
• 刊名：Environmental Science and Pollution Research
• 出版年：2016
• 出版时间：June 2016
• 年：2016
• 卷：23
• 期：12
• 页码：11695-11707
• 全文大小：2,689 KB
• 刊物类别：Earth and Environmental Science
• 刊物主题：Environment
  Environment
  Atmospheric Protection, Air Quality Control and Air Pollution
  Waste Water Technology, Water Pollution Control, Water Management and Aquatic Pollution
  Industrial Pollution Prevention
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1614-7499
• 卷排序：23

文摘

Organic–inorganic hybrid gels were synthesized by the condensation of a linear aliphatic diol (1,8-octanediol) and altering the chain length of the alkyltriethoxysilanes (from ethyltriethoxysilane to hexadecyltrimethoxysilane) through a bulk polymerization process without using any initiator, activator, catalyst, or solvent for the selective removal of oils from water. Fourier transform infrared spectroscopy (FTIR) and solid-state 13C and 29Si cross-polarization magic-angle spinning nuclear magnetic resonance (CPMAS NMR) were used for the structural analysis of hybrid gels. Thermal properties of the hybrid gels were determined by thermogravimetric analysis (TGA). Oil absorbency of organic–inorganic hybrid gels was determined by oil absorption tests. The results showed that hybrid gels have high and fast absorption capacities and excellent reusability. Good selectivity, high thermal stability, low density, and excellent recyclability for the oil removal give the material potential applications.KeywordsHybrid gelAlkyltriethoxysilanesOil absorbencyCrude oilAbsorption kineticDesorption kineticSelectivityReusability