Catalytic combustion of volatile organic compounds using perovskite oxides catalysts—a review

Wang, Shan; Xiao, Ping; Yang, Jie; Carabineiro, Sónia A. C.; Wiśniewski, Marek; Liu, Xinying

doi:10.1007/s11705-023-2324-x

Cited by 8 publications

(1 citation statement)

References 198 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The use of catalysts in chemical reactions was discussed by Wang et al (2023) According to Sanli and Canakci (2008) catalyst amount is estimated based on the oil type. Oils having high fatty acids may require more catalyst by volume, and acid catalysis is beneficial when the FFA is high (Chen et al, 2023).…”

Section: Literature Searchmentioning

confidence: 99%

Impact of ultrasonic mixing on virgin and waste vegetable oils for biodiesel production

Igbax,

Swartling,

ElSawy

et al. 2023

Front. Energy Res.

View full text Add to dashboard Cite

This paper investigates the use of waste vegetable oil (WVO) for production of biodiesel. The study explores the improvement of biodiesel production using ultrasonic mixing to achieve high yields. Different oil streams, including virgin canola oil and WVO, were used as the raw material for the transesterification processes. These oils had different fatty acid contents as a result of environmental or previous processing conditions. The impact of free fatty acid (FFA) content on the resulting yield was assessed. It was demonstrated that the yield was influenced by production parameters such as reaction time, reaction temperature, molar/volume ratios of oil to alcohol, catalyst amount, and mechanical mixing. This was accomplished by automating the biodiesel production from WVO, thereby achieving improved processing and requiring minimal direct human involvement. A biodiesel production apparatus was developed with a Raspberry Pi 3 microcomputer to control the process. The particular choice of these process parameters depended on the particular oil type. This research used mixtures of virgin and waste vegetable oils at different volume ratios (oil to alcohol) of 4:1, 6:1, and 8:1, which was determined by the FFA content of the oil. In addition to mechanical mixing, ultrasonication rated at 500 W, 20 kHz was used to enhance mixing by adding 450 kJ to the process, thereby reducing both the processing time and the amount of methoxide needed to perform a base-catalyzed transesterification. This research demonstrated that optimal yield depends on temperature, catalyst concentration, FFA content of the oil, and the energy introduced by sonication.

show abstract

Section: Literature Searchmentioning

confidence: 99%