Assessment of the Physico-Chemical Properties of Waste Cooking Oil and Spent Coffee Grounds Oil for Potential Use as Asphalt Binder Rejuvenators

Recycling of waste is an optional approach across industries to reduce environmental harm and turn it into sustainable and valuable resource alternatives. This paper addresses recycling of food industry waste through exploring potential use to enhance damaged asphalt binder used in roadways. The two...

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Bibliographic Details
Published in:Waste and biomass valorization 2018, Vol.9 (11), p.2125-2132
Main Authors: Jalkh, Rita, El-Rassy, Houssam, Chehab, Ghassan R., Abiad, Mohamad G.
Format: Article
Language:English
Subjects:
Addition polymerization
Asphalt
Chemical properties
Chemical Sciences
Civil Engineering
Coffee
Cooking
Cooking oils
Engineering
Engineering Sciences
Environment
Environmental Engineering/Biotechnology
Fatty acids
Food industry
Food processing industry
Industrial Pollution Prevention
Industrial wastes
Molecular weight
Oil wastes
Organic chemistry
Original Paper
Other
Oxidation
Physicochemical properties
Polymerization
Recycling
Renewable and Green Energy
Roads
Temperature
Viscosity
Waste Management/Waste Technology
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Summary:Recycling of waste is an optional approach across industries to reduce environmental harm and turn it into sustainable and valuable resource alternatives. This paper addresses recycling of food industry waste through exploring potential use to enhance damaged asphalt binder used in roadways. The two wastes, spent coffee grounds and waste cooking oil were subjected to different levels of oxidation after which their physical and chemical properties were analyzed. Results show that oxidation significantly affects the oils by increasing the release of fatty acids and breaking of double bonds. The latter, in addition to polymerization and release of high molecular weight compounds, increases the viscosities of the oils while retaining their Newtonian behavior. As such, oxidation may be able to effectively customize physicochemical properties of oils, namely viscosity, for their reported application as asphalt binder rejuvenators. The rejuvenated binder can then be reused in production of asphalt for low traffic roadways.
ISSN:1877-2641
1877-265X
DOI:10.1007/s12649-017-9984-z