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Scientists transform cigarette butts into biodiesel fuel

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Lithuanian scientists have unveiled an ingenious method of repurposing to create biodiesel in a stride toward sustainable fuel production. This move could significantly reduce production costs and environmental impact. Amidst growing environmental concerns and the quest for cleaner alternatives to fossil fuels, biodiesel has emerged as a promising solution.

Derived from vegetable oils or animal fats, biodiesel offers biodegradability, breaking down up to four times faster than petroleum diesel and presenting a nontoxic alternative. However, the high cost of biodiesel production and potential pollution from biomass sources have hindered its widespread use. Addressing these challenges, researchers at Kaunas University of Technology (KTU) and the Lithuanian Energy Institute (LEI) have found a novel solution by incorporating a by-product of cigarette waste recycling into the production process.

“Triacetin, a key compound used in the is abundant in cigarette filters,” explains Samy Yousef, a chief researcher at KTU Faculty of Mechanical Engineering and Design. The scientists successfully extracted valuable components from cigarette waste through a series of experiments utilizing pyrolysis – a thermal decomposition process. The process, conducted at varying temperatures, yielded oil, char, and gas from the waste, with oil content notably rich in triacetin.

This innovative approach addresses the environmental impact of cigarette waste and harnesses its components for practical applications. The porous char, enriched with calcium, holds potential for fertilizers, wastewater treatment, and energy storage applications. Meanwhile, the gas extracted can be an energy source, contributing to sustainable power generation.

The significance of biodiesel production. One of the most significant breakthroughs lies in the oil extracted from cigarette waste, abundant in triacetin. This oil could be integrated as an additive in , potentially reducing production costs and enhancing efficiency.

With over 6. 5 trillion cigarettes purchased worldwide annually, the staggering volume of cigarette waste presents both a challenge and an opportunity. The team’s innovative approach provides a solution to repurpose this waste and demonstrates the potential for scalable implementation in waste management systems.

While their current focus lies in integrating this breakthrough into circular economy systems, the researchers foresee promising avenues for utilizing cigarette waste further. By harnessing pyrolysis treatment, they envision a comprehensive strategy involving waste collection, , and a transformative approach to repurposing waste. The research marks a significant stride in sustainable fuel production, offering a pioneering solution to address environmental concerns while exploring novel avenues in waste management.

As KTU researcher Yousef emphasizes, the team remains committed to exploring additional possibilities for utilizing cigarette waste, paving the way for a more sustainable future. .


From: interestingengineering
URL: https://interestingengineering.com/science/scientists-transform-cigarette-butts-into-biodiesel-fuel

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