Food Waste To Be Used In Construction Projects

Nowadays, “one man’s trash is another man’s treasure” has never been truer. We’re turning garbage into anything from furniture to vodka, and it seems we can push the limits even further. Engineering group Arup is proving just that, proposing the use of food waste in building materials.

The report aims “at demonstrating that a different paradigm for materials in construction is possible.” This could be done by diverting, in part, organic waste that is traditionally managed through landfill, incineration and composting to become a resource for the creation of construction engineering and architecture products.

According to Arup, bananas can produce textiles, while mushrooms can grow actual towers. It seems, with food waste, it’s best to let one’s imagination run wild — and for good reasons.

Using food waste for building materials would help create a circular economy where organic waste, instead of being disposed, is the main resource… This would help ameliorate rising levels of waste and shortfalls of raw material, as well as providing the industry with cheap, low carbon materials.

Looking to renovate your home? No need for concrete fillers — just use rice!

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Bike Path Is Made Of Reprocessed Toilet Paper

As one of the world’s most in-demand resources, paper has a massive carbon footprint. Because of the waste it creates, many are recycling or seeking paper alternatives. Startup MOO produces business cards made with fabric waste, while Paper Saver is a no-new-paper journal. Now, a Dutch province is recycling tons of toilet paper into a 1km bike path for cyclists.

The bicycle path uses what’s called tertiary cellulose, extracted from waste streams, says Erik Pijlman, director at KNN Cellulose, one of the partners on the project. “We take the cellulose out of these streams and once again make it into a [raw material],”

But not to worry — you won’t be seeing any remnants of used tissues on the bike path. The process includes sifting paper fibers, which are then cleaned, sterilized, bleached, and dried. To say the technique is doing fine is an understatement — it’s taking over Dutch roads.

“What we did is not only create technology and prove that it works, but we also have a market that is willing to take in the material,” Pijlman says. “And that’s really the next step in this kind of development.”

The fiber can also be used in creating filters, biofuel, and textiles, among other things. Of course, while in theory it’s useful in creating other products, we’ll keep it away from direct human contact. No one wants a stinky pillow case.

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