Weird News: We could soon be building houses from cigarette butts - - PressFrom - United Kingdom
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Weird News We could soon be building houses from cigarette butts

15:15  17 june  2016
15:15  17 june  2016 Source:   techly.com.au

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A man discards a cigarette butt after smoking outside a construction site in Central, a business district in Hong Kong in this October 18, 2006 file photograph. © Reuters A man discards a cigarette butt after smoking outside a construction site in Central, a business district in Hong Kong in this October 18, 2006 file photograph. Cigarette butts take years to degrade and contain harmful chemicals like arsenic, cadmium, chromium and lead – all of which find their way to the soil and waterways.

Needless to say, they’re bad news for the environment.

So a team of researchers from RMIT University have come up with a solution to the cigarette butt problem: use them to make bricks!

The study, which was led by Dr Abbas Mohajerani of the School of Engineering, showed that using cigarette butts to make fire bricks not only helped the environment, but also cut down the cost of making bricks.

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Dr Mohajerani and his team discovered that cigarette butts can lower the energy needed to fire up the bricks by up to 58 per cent. Not only that, the bricks with cigarette butts are lighter and have better insulation than regular bricks.

“About 6 trillion cigarettes are produced every year, leading to 1.2 million tonnes of cigarette butt waste,” Dr Mohajerani said.

“These figures are expected to increase by more than 50 per cent by 2025, mainly due to an increase in world population.”

He added, “In Australia alone, people smoke about 25 to 30 billion filtered cigarettes a year and, of these, about 7 billion are littered. This research shows that if just 2.5 per cent of the world’s annual brick production incorporated 1 per cent cigarette butts, we could completely offset annual worldwide cigarette production.”

According to the study, the heavy metals and hazardous chemicals in cigarette butts are trapped and immobilised during firing, so the risk of leaching or contamination is also decreased.

The study was recently published in the Journal of Waste Management (Elsevier).

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Article originally published on techly.com.au

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