Researchers believe South Africa can extract raw materials for manufacturing computer chips and solar panel cells from farming waste.
— has shown that the ash of sugarcane bagasse offers one of the cheapest sources of silica production, comparing favourably with, for instance, mining the substance from sand.Silica is stored abundantly in soils and is absorbed in large amounts by plants. This is not harmful and,In sugarcane, silica is stored in the plants shoots — which will eventually be among the bagasse. And it’s from this that researchers are working to extract silica for conversion into silicon.
It’s not a simple process. The ash generated in these industrial processes typically has a high impurity content and is laced with metals like iron and aluminium oxides. This hinders the process of obtaining silica that is pure enough for use.most recent research . We used organic materials which are both eco-friendly and easy to handle, and found this was an effective way to extract silica from the sugarcane bagasse.
Some further fine-tuning is needed: there were still small impurities that will need to be weeded out if this method is to produce silica of high quality and meet the necessary standards for industrial applications. Overall, our approach could help to further lower the costs of extracting silica from sugarcane bagasse and is a good way to manage what might otherwise be little more than waste.
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