Preparation and characteristics of biosilica derived from marine diatom biomass of Nitzschia closterium and Thalassiosira

In this study, biosilica of high purity was successfully prepared from marine diatom （Nitzschia closterium and Thalassiosira） biomass using an optimized novel method with acid washing treatment followed by thermal treatment of the biomass. The optimal condition of the method was 2% diluted HCl washi...

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