In Australia, scientists have come up with a proposal to insulate homes by using recycled cigarette butts. It is planned to add the latter to bricks, writes Materials.
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According to the scientists' idea, the cigarette butts will be pre-crushed and subsequently incorporated into the clay. The latter will go to the production of bricks. Even if cigarette butts account for only 1% in clay, thus it will be possible to reduce energy costs associated with firing building material by 20 billion mJ. As a result, bricks created using this technology will be lighter than ordinary bricks, but their thermal conductivity will be lower.
To rid the unburned cigarette residue of bacteria and unpleasant tobacco odor, it is planned to treat it with ozone coupled with ultraviolet light. This approach is also useful in that it will allow you to dispose of tons of waste.