Preparation of Silica Aerogel and Its Adsorption Performance to Organic Molecule
المؤلفون المشاركون
Shi, Hong-xin
Cui, Jing-tao
Shen, Hai-min
Wu, Hong-ke
المصدر
Advances in Materials Science and Engineering
العدد
المجلد 2014، العدد 2014 (31 ديسمبر/كانون الأول 2014)، ص ص. 1-8، 8ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2014-02-20
دولة النشر
مصر
عدد الصفحات
8
الملخص EN
Hydrophobic and lipophilic silica aerogel was prepared from water-glass by gelling, aging, silylation, and drying under atmospheric pressure and characterized by FT-IR and SEM.
The effect of preparation process on aerogel density and the aerogel density on contact angle of water on it were investigated in detail.
pH 6 is most beneficial to shorten gelling time and to obtain the lowest density of silica aerogel.
Increasing TEOS concentration of aging solution to 25 v% could decrease aerogel density to 0.093 g/cm3.
The silica aerogel exhibits good hydrophobicity even though its density is 0.30 g/cm3.
There are few changes in their adsorption capacities after 3 cycles of adsorption-desorption.
The adsorption performance of the silica aerogel to organic solvent in water is different from in pure solvents.
The critical surface tension (γC) of the silica aerogel prepared here is about 30.8 mN/m.
If the surface tension of aqueous solvent solution (γ) is greater than γC, it will wet the aerogel surface partially.
If γ ≤ γC, the solution will wet all aerogel surface and be adsorbed well.
This work delivers us a method to adsorb solvents from their waste water by adjusting the surface tension of the waste water to lower than γC of the adsorbent.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Shi, Hong-xin& Cui, Jing-tao& Shen, Hai-min& Wu, Hong-ke. 2014. Preparation of Silica Aerogel and Its Adsorption Performance to Organic Molecule. Advances in Materials Science and Engineering،Vol. 2014, no. 2014, pp.1-8.
https://search.emarefa.net/detail/BIM-1015885
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Shi, Hong-xin…[et al.]. Preparation of Silica Aerogel and Its Adsorption Performance to Organic Molecule. Advances in Materials Science and Engineering No. 2014 (2014), pp.1-8.
https://search.emarefa.net/detail/BIM-1015885
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Shi, Hong-xin& Cui, Jing-tao& Shen, Hai-min& Wu, Hong-ke. Preparation of Silica Aerogel and Its Adsorption Performance to Organic Molecule. Advances in Materials Science and Engineering. 2014. Vol. 2014, no. 2014, pp.1-8.
https://search.emarefa.net/detail/BIM-1015885
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1015885
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر