Reusability test of Silica - Titania Catalyst on Biodiesel Production from Waste Cooking Oil in Various Temperatures

Fiona Rachma Annisa; Indang Dewata; Hary Sanjaya; Latisma Dj; Ananda Putra; Rita Sundari; Umar Kalmar Nizar

doi:10.32628/IJSRST196414

Authors

Fiona Rachma Annisa Chemistry Department, Universitas Negeri Padang, Jl. Prof Hamka, Air Tawar, Padang, West Sumatra, Indonesia
Indang Dewata Chemistry Department, Universitas Negeri Padang, Jl. Prof Hamka, Air Tawar, Padang, West Sumatra, Indonesia
Hary Sanjaya Chemistry Department, Universitas Negeri Padang, Jl. Prof Hamka, Air Tawar, Padang, West Sumatra, Indonesia
Latisma Dj Chemistry Department, Universitas Negeri Padang, Jl. Prof Hamka, Air Tawar, Padang, West Sumatra, Indonesia
Ananda Putra Chemistry Department, Universitas Negeri Padang, Jl. Prof Hamka, Air Tawar, Padang, West Sumatra, Indonesia
Rita Sundari Mechanical Engineering Department, Universitas Mercu Buana, Jakarta, Indonesia
Umar Kalmar Nizar Chemistry Department, Universitas Negeri Padang, Jl. Prof Hamka, Air Tawar, Padang, West Sumatra, Indonesia

DOI:

https://doi.org//10.32628/IJSRST196414

Keywords:

Biodiesel, Temperature, Reused Silica-Titania Catalyst, Properties of Biodiesel.

Abstract

This work has investigated the reusability of silica-titania in various temperatures (50 – 70°C) of biodiesel production from waste cooking oil. The reused silica-titania catalyst collected from silica-titania catalyst waste produced from the process of separating the catalyst from biodiesel products from palm oil and used cooking oil at various temperatures. The 1^st and 2^nd reused SiO₂-TiO₂ were characterized by DR UV-Vis and the spectra were deconvoluted for calculate the fraction of titanium in tetrahedral coordination. In addition the biodiesel products were characterized using FTIR, and several properties of biodiesel such as density, flow rate and acid value were analyzed in order to get the information about catalytic activity reused SiO₂-TiO₂. The results show the titanium tetrahedral fraction in reused catalyst (1st) and (2nd) are found to be 24,98% and 24.65%, respectively. The FTIR characterization of biodiesel products and waste cooking oil are almost similar. The analysis of waste cooking oil converted to biodiesel shows an optimum temperature of 50^oC that at this temperature the lowest density or highest flow rate gave highest conversion of 47.82% using BCR1 and 39.13% using BCR2.

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