With stringent environmental regulations and demand for alternative for carbon black, the PPT silica has an excellent opportunity as a suitable replacement for carbon black in tyre industries.
A process for the preparation of precipitated silica having more than 75% particles finer than 10 mm on 5 kg batch scale has been developed by the central salt and marine chemicals research institute (CSMCRI). In the process neutral grade sodium silicate solution was treated with mineral acid and silica sol in different steps under controlled rate in presence of electrolyte. Expertise is available to produce precipitated silica powder of different grades/ specification for various applications using sodium silicate, siliceous waste materials like kimberlite earth as starting materials, rice husk ash (RHA)
Precipitated silica with fine particle size and narrow particle size distribution finds many applications in polymer/elastomer, thixotropic agent in paints, cosmetics, toothpaste and carrier for insecticide and pesticides. Precipitated silica is used as an alternative to carbon black in the tyre industries.
This is a robust technology with capabilities to use waste and raw material for the preparation of precipitated silica will make the process techno-economically feasible and competitive in the open market.
For further details contact: Director CSMCRI, Ph. No.+091-278-2569496, E-Mail: firstname.lastname@example.org
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