Extraction, Characterization of Silica and Immobilized with Amino - Sager, Athra G.;Mohammed Hello, Kasim;Talaq, Mohammad
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this study, silica has been prepared by using in a new three steps method from rice husk. The silica was used as a stationary phase in column chromatography and give interesting results in comparison with the commercial grade silica. This study included functionalized of the prepared silica with 3-chloropropyl (triethoxy)saline to give chlorine end group labeled compound as RHACCl. Sulfamic acid and urea were immobilized onto RHACCl to form heterogeneous catalysts labeled as RHANS and RHAUR respectively. The heterogeneous catalysts were used for hydrolysis of cellulose to glucose.

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Produktbeschreibung
this study, silica has been prepared by using in a new three steps method from rice husk. The silica was used as a stationary phase in column chromatography and give interesting results in comparison with the commercial grade silica. This study included functionalized of the prepared silica with 3-chloropropyl (triethoxy)saline to give chlorine end group labeled compound as RHACCl. Sulfamic acid and urea were immobilized onto RHACCl to form heterogeneous catalysts labeled as RHANS and RHAUR respectively. The heterogeneous catalysts were used for hydrolysis of cellulose to glucose.
Autorenporträt
Dr. Athra G. Sager, Born in Iraq , 20-5-1984. She Completed the Master's degree at Anbar University 2009, and worked as a lecturer at Anbar University - chemistry department.She Completed the PhD study in 2016 at the same university.Now I am teaching at the University of Wasit.