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Bio-based silica from rice husk
Solvay plans to launch the company’s first unit of circular highly dispersible silica (HDS), made with bio-based sodium silicate derived from rice husk ash.
The company will gradually replace its existing Zeosil portfolio of high surface silicas with circular HDS
More about this interesting development from here.
For those curious to know more about rice husk, of which over 100 million tons are available in worldwide hundreds of millions of tons annually, here is an interesting primer.