Waste Cooking Oil as Bio Asphalt Binder: A Critical Review

Abstract

The modification of binder with waste cooking oil (WCO) for paving materials indicates the implementation of recycling practice with environmental issues concern, thus improving the proper management of this waste product. This paper presents a critical review of the WCO utilisation as a modifier to enhance binder properties. The review was focuses on the evaluation of WCO in asphalt binder modification and asphaltic concrete mixture. Basically, oil-based modification by using WCO in paving material provides a promising waste material potential in improving the engineering value in terms of rheological and mechanical performance for modified binder and asphalt mixture. It is expected that the addition of this modifier in binder gives superior performance and is comparable with the conventional binder.

Palm Oil Fuel Ash, Garnet Waste and Sawdust as Modified Asphalt Mixture: A Critical Review

“…Arising issues in pavement performance, one efficient way to solve the problem is using asphalt modification. Numerous studies had been explored for asphalt modification using waste materials, bio-oil, and other recycling sources [6,7,8]. The next section will expand on the previous researchers using POFA, garnet waste, and sawdust in asphalt modification.…”

“…Table 1 shows the POFA's chemical IOP Publishing doi:10.1088/1755-1315/1296/1/012004 3 composition from earlier studies that perform a very rich content of silica oxide (SiO2), followed by aluminium oxide (Al2O3) and ferum oxide (Fe2O3). The high content of silica can increase the stability and durability of modified asphalt mixture [6,7,8]. Based on the findings of the chemical composition of POFA, the high content of this oxide suggests the overall performance of asphalt by providing increased resistance to rutting, cracking, and fatigue.…”

Carbon Sequestration via Bituminous Composites Containing Recycled High-Density Polyethylene

“…The second rejuvenator used in this research was oleic acid. Chemically, oleic acid is a fatty acid [57]. The composition of waste cooking oil (WCO) contains over 43% oleic acid [58].…”

Waste Cooking Oil as a Sustainable Bio Modifier for Asphalt Modification: A Review

“…Yet the agriculture and animal-based oils are subjected to time-consuming and expensive refining procedures, such as pyrolysis and hydrothermal liquefaction [3,11]. In this way, the current implementation of bio-oil to modify asphalt binder is mainly focused on plant-based oil such as waste cooking oil/waste vegetable oil, as these soft oils are a ready substrate with lower production cost [3,[12][13][14].…”

“…On the other hand, hightemperature properties of WCO-modified binder are still compromised, as WCO can soften the binder, which causes higher penetration and lower softening. Thus, it is believed that soft binders cannot withstand high-temperature exposure and lead to poor rutting resistance [12,[26][27][28]. The quality of WCO, which includes acid value as a quality assessment parameter, influenced the high-temperature performance of the modified asphalt binder.…”