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크리스티나

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2 years ago
Photo by 크리스티나 on October 03, 2024.
Photo by 크리스티나 on October 03, 2024.
Photo by 크리스티나 on October 03, 2024.
Photo by 크리스티나 on October 03, 2024.
Photo by 크리스티나 on October 03, 2024.
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Posted On: October 3rd 2024, 07:42 pm

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These are fenugreek seeds, normally something you’d find in a spice aisle, but in this video I show that you can use them to make a water cleaning flocculant! Soaking the seeds in water releases galactomannan, a giant sugar-based polymer, which forms long polymer chains that are good at grabbing onto tiny suspended particles and clumping together into flocs. The best part is that this kind of process can be used to remove microplastics from water, and research has shown that fenugreek derived polymers are remarkably effective at that. Plus, fenugreek seeds are biodegradable and this method is an excellent example of how we can look to nature for sustainable ways to tackle environmental problems. So where one person may see a spice, I see a microplastic-fighting slime! That’s green chemistry for the win! #chemteacherphil #acs #greenchemistry
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