Synthesis of Silica Gel from Waste Glass Bottles and Its Application for the Reduction of Free Fatty Acid (FFA) on Waste Cooking Oil

被引：6

作者：

Sudjarwo, Wisnu Arfian A. ^{[1
]}

Bee, Mei Magdayanti F. ^{[1
]}

机构：

[1] Univ Setia Budi, Engn Fac, Jl Letjen Sutoyo Mojosongo Surakarta, Surakarta 57127, Indonesia

来源：

GREEN PROCESS, MATERIAL, AND ENERGY: A SUSTAINABLE SOLUTION FOR CLIMATE CHANGE | 2017年 / 1855卷

关键词：

FRYING OIL;

D O I：

10.1063/1.4985464

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Synthesis of silica gel from waste glass bottles was conducted with aims to characterize the product and to analyze its application forthe reduction of free fatty acid (FFA) on waste cooking oil. Silica source taken from waste glass bottles was synthesized into silica gel by using the sol-gel method. Several types of silica gel were produced with three different weight ratios of waste glass and sodium hydroxide as an extractor. They were: 1:1, 1:2, and 1:3. The results indicated that synthesized silica possessed morphology innano-sizedranging from 85 nm to 459 nm. Adsorption performance was investigated by a batch system atthe temperature between 70 degrees C and 110 degrees C by a range of 10 degrees C in an hour. Analysis of the adsorption characteristic showed that the highest efficiency value of FFA reduction of 91% was obtained by silica gel with ratiosof 1:1 (SG 1) and 1:3 (SG 3). Their performances were also followed by the decline of the refractive index and the density of waste cooking oil.

引用

页数：6

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