Waste lubricating oil is considered to be a hazardous waste and has tremendous impact on
human health and environment. The present review elaborates on the lubricant demand and …

Herein, biochar from biomass residues is demonstrated as active materials for the catalytic
cracking of waste motor oil into diesel-like fuels. Above all, alkali-treated rice husk biochar …

Capturing dibutyl phthalate (DBP) impurities from transformer oils and purifying them is
crucial for maintaining long-term sustainable transformer operation. Furthermore, this …

This study focuses on the environmental and economic aspects of sustainability by
establishing a supply chain including the collector, cleaner, and recycler for recycling PET …

Lubricating oil disposal is considered hazardous waste and has adverse effects on the
environment and human health. It is crucial to implement tight measures to regulate and …

The oil and gas (O&G) industry has recently faced market headwinds due to high
environmental impacts generated. Therefore, this study proposes to develop a circular …

Herein, we present a process for recovering used locomotive engine oil using ultrasound-
assisted extraction and sustainable organic solvents. We evaluated the quality of the oil …

Purpose: In this research, a recyclable waste is used to manufacture a specific product. For
this reason, a supply chain is considered containing manufacturer, recycler, and waste …

The rapid growth of population with increased facilities for comfort nowadays leads to a
drastic depletion of natural resources. The present work emphasizes the re-refining process …

The Guerbet reaction is a possible way for transformation of ethanol to 1-butanol (important
for many kinds of industries), which consists of four steps: dehydrogenation, aldol …