Technically known as fillers, these small hydrogel tubes can be made from ... in biodiesel storage tanks — being denser, the water is deposited on the bottom. In the area contiguous with the oil ...

Finally, the new loofah-like material was tested on samples polluted with organic dyes, heavy metals, oil and microplastics. In all of the tests, the gel made the water substantially cleaner.

Researchers have created an inexpensive hydrogel that can filter phosphorus from contaminated surface waters, drinking water ...

but because their molecules stick to the gel, they don't get expelled when the water is released at warmer temps. Droplets of oil pollution don't get drawn in in the first place, as the (then ...

Finally, the new loofah-like material was tested on samples polluted with organic dyes, heavy metals, oil and microplastics. In all of the tests, the gel made the water substantially cleaner. For ...