Technologies for biodiesel production from used cooking oil — A review

Recent research focuses on new biodiesel production and purification technologies that seek a carbon-neutral footprint, as well as cheap, renewable and abundant raw materials that do not compete with the demand for food. Then, many attractive alternatives arise due to their availability or low-cost, such as used cooking oil, Jatropha oil (non-edible) or byproducts of vegetable oil refineries. Due to their composition and the presence of moisture, these oils may need a pretreatment to reach the established conditions to be used in the biodiesel production process so that the final product complies with the international quality standards. In this work, a solid catalyst based on 10 wt % sodium oxide supported on mesoporous silica SBA-15, was employed in the transesterification of different feedstocks (commercial sunflower and soybean oil, used cooking oil, acid oil from soapstock and Jatropha hieronymi oil) with absolute methanol in the following reaction conditions—2–8 wt % catalyst, 14:1 methanol to oil molar ratio, 60 °C, vigorous magnetic stirring and 5 h of reaction. In this way, first- and second-generation biodiesel was obtained through heterogeneous catalysis with methyl ester yields between 52 and 97 wt %, depending on the free fatty acid content and the moisture content of the oils.

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

International Journal of Scientific Research in Science and Technology ◽

10.32628/ijsrst196414 ◽

2019 ◽

pp. 116-123

Author(s):

Fiona Rachma Annisa ◽

Indang Dewata ◽

Hary Sanjaya ◽

Latisma Dj ◽

Ananda Putra ◽

...

Keyword(s):

Flow Rate ◽

Acid Value ◽

Waste Cooking Oil ◽

Biodiesel Production ◽

Tetrahedral Coordination ◽

Cooking Oil ◽

Used Cooking Oil ◽

Ftir Characterization ◽

Density Flow

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 1st and 2nd 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 50oC 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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KRITERIA RUMAH MAKAN SUPPLIER MINYAK JELANTAH DALAM RANGKA PERENCANAAN BAHAN BAKU BIODIESEL

Jurnal Agro Fabrica ◽

10.47199/jaf.v1i1.25 ◽

2019 ◽

Vol 1 (1) ◽

pp. 27-33

Author(s):

D.U.M. Susilo ◽

Th. Candra Wasis A.S. ◽

Zakwan .

Keyword(s):

Raw Materials ◽

Waste Cooking Oil ◽

Raw Material ◽

Biodiesel Production ◽

Analytic Hierarchy ◽

Cooking Oil ◽

Used Cooking Oil ◽

A Value ◽

Many Sources ◽

The City

The using of biodiesel as an environmentally friendly fuel has received attention from consumers to producers. So, a lot of research was done on the potential raw material to become biodiesel. One of the raw materials for biodiesel was waste cooking oil. Pontianak City have many sources including waste cooking oil from restaurants. Therefore restaurants in the city of Pontianak might be used as suppliers of waste cooking oil in biodiesel production. This study aims to determine the priority of criteria and sub-criteria for restaurants as suppliers and determine good restaurants as suppliers of used cooking in Pontianak City . Purposive technique sampling using a sample of 61 house dining, interviewed to obtain alternative data suppliers. Expert survey questionnaire contains priority weighting of criteria and supplier criteria, analyzed using AHP ( Analytic Hierarchy Process ). Grouping of restaurants based on alternative supplier values is used to determine good restaurants to be suppliers. The priority criteria for restaurants as consecutive suppliers are experience (0.289), quality (0.279), capacity (0.231), service (0.148) and price (0.053). Sub-criteria priority of restaurants as suppliers in a row is the time span of used cooking oil sold(0.161), length of time used cooking oil (0.155), income (0.129), type of cooking oil (0.107), type of fried food products (0.092), volume of cooking oil (0.090), frying volume (0.085), transaction convenience (0.082), subject to used cooking oil (0.056), used cooking oil price (0.030) and ease of payment (0.013). A value of ≥ 0.325 is a dining value that shows a very better priority as a supplier. The number of restaurants as suppliers is 8 % of the population of restaurants in the city of Pontianak..

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Biodiesel production from used cooking oil with assisted sun light and Fresnel solar concentrator

10.1063/1.5140893 ◽

2020 ◽

Author(s):

Widayat ◽

Abdullah ◽

Setia Budi Sasongko ◽

Dyah Hesti Wardhani ◽

Agus Hadiyarto ◽

...

Keyword(s):

Biodiesel Production ◽

Solar Concentrator ◽

Cooking Oil ◽

Used Cooking Oil ◽

Sun Light

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Circular Bioeconomy in Action: Collection and Recycling of Domestic Used Cooking Oil through a Social, Reverse Logistics System

Recycling ◽

10.3390/recycling4020016 ◽

2019 ◽

Vol 4 (2) ◽

pp. 16 ◽

Cited By ~ 7

Author(s):

Michael Loizides ◽

Xenia Loizidou ◽

Demetra Orthodoxou ◽

Demetra Petsa

Keyword(s):

Knowledge Base ◽

Reverse Logistics ◽

Green Infrastructure ◽

Biodiesel Production ◽

Social Benefits ◽

Social Aspect ◽

Valuable Resource ◽

Logistics System ◽

Cooking Oil ◽

Used Cooking Oil

The inappropriate disposal of millions of tons of domestically produced used cooking oil (UCO), either down domestic household drains or in landfill, causes significant detrimental effects on the environment but also constitutes the loss of a valuable resource, since used cooking oil is a sought-after feedstock for biodiesel production. This paper presents findings from a social reverse logistics system, called InnovOleum, for collecting and recycling domestic used cooking oil through schools. The disruptive, social aspect of InnovOleum derives from the provision of funds from the sale of the collected used cooking oil to be invested within the participating schools in ongoing environmental education and green infrastructure and technology. To date, over 200,000 Euros have been distributed to schools for this purpose. No other schemes with similar potential to fully harness the environmental and social benefits from the collection and conversion of domestically produced used cooking oil have been found in literature. This publication can therefore significantly contribute to the knowledge base and facilitate the transfer of this scheme elsewhere.

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Biodiesel Synthesis from Used Cooking Oil Using Red Mud as Heterogeneous Catalyst

Materials Science Forum ◽

10.4028/www.scientific.net/msf.991.144 ◽

2020 ◽

Vol 991 ◽

pp. 144-149

Author(s):

Arif Hidayat ◽

Galih Kholifatu Roziq ◽

Faiz Muhammad ◽

Winarto Kurniawan ◽

Hirofumi Hinode

Keyword(s):

Red Mud ◽

Heterogeneous Catalysts ◽

Gas Adsorption ◽

Economic Feasibility ◽

Raw Material ◽

Biodiesel Production ◽

Mass Ratio ◽

Cooking Oil ◽

Used Cooking Oil ◽

Biodiesel Synthesis

The problem associated with biodiesel production is economic feasibility. The biodiesel cost will reduce when the low cost feedstock was used as feedstock. Used Cooking Oil (UCO) is a promising candidate as raw material for biodiesel synthesis. In this study, the investigation of biodiesel synthesis from UCO was studied using red mud as heterogeneous catalysts. The catalyst was prepared by impregnating Potassium metals on red mud. The catalyst physico-characteristics were determined using Nitrogen gas adsorption, FT-IR, XRD, and XRF. The catalyst was tested to synthesize biodiesel from UCO. The reaction temperatures, methanol to oil mass ratio, and amount of catalyst were varied to examine their effects on biodiesel synthesis. The optimum reaction conditions were obtained at 60°C of reaction temperature, 10:1 of methanol to oil mass ratio, and 10% of catalyst amount. The highest biodiesel yield of 94.4% was obtained.

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