Singaporean researchers have developed biodegradable sponges. Singapore’s Nanyang Technological University researchers worked in a similar way to soap production.
Due to the increasing use of plastic and waste accumulation all over the world, many studies are carried out on the development of environmentally friendly alternatives for frequently used products. Now, Singaporean researchers have developed biodegradable sponges.
Researchers from Singapore’s Nanyang Technological University (NTU) in Singapore and South Korea’s Sungkyunkwan University institution came together and worked in a similar way to soap production.
Scientists obtained pollen from sunflowers and the pollen grains were exposed to an alkaline environment for 3 days. Thus, separation of the seeds with dry matter was achieved, leaving the gel-like structure behind.
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The researchers then freeze dried the gel-like structures and heated to 200 ° C to stabilize the structures. Finally, the corresponding structures were treated with stearic acid.
As a result of the studies, sponges with a diameter of 5 cm were obtained. It is stated that the sponges, which are hydrophobic as a result of the added stearic acid, will only absorb oil in water contaminated with oil or oil and will not become saturated with water.
It should be noted that although new sponges give positive results in laboratory tests, these sponges can be used by squeezing 10 times. Let’s also add that bayonets are biodegradable in nature. If new research can be developed further, contaminated water can be cleaned from waste oils.