TY - GEN
T1 - Influence of roasting-quenching pretreatment on the rice husk silica prepared by calcination method
AU - Maksum, Ahmad
AU - Rustandi, Andi
AU - Permana, Sulaksana
AU - Soedarsono, Johny Wahyuadi
N1 - Publisher Copyright:
© 2017 Author(s).
PY - 2017/3/17
Y1 - 2017/3/17
N2 - Calcination is a simple method to produce silica from rice husk (RH). One of the key to obtain higher purity silica from rice husk by calcination method is the effectiveness of impurities removal, especially potassium, from RH surface before calcination process. So, in the present study, an attempt has been made to produce high purity silica powder by using calcination method with the combination of roasting-quenching and acid leaching as a pretreatment to eliminate metal impurities, especially potassium, detected by using inductively coupled plasma mass spectrometry (ICP-MS). Finally, the high purity silica, 99.928% was obtained by roasting and calcination temperature of 300°C and 650°C, respectively. However, by considering less energy usage and silica purity achievement, the combination of 300°C roasting-quenching, 1M hydrochloric acid leaching, and calcination at the temperature of 600°C was the best route.
AB - Calcination is a simple method to produce silica from rice husk (RH). One of the key to obtain higher purity silica from rice husk by calcination method is the effectiveness of impurities removal, especially potassium, from RH surface before calcination process. So, in the present study, an attempt has been made to produce high purity silica powder by using calcination method with the combination of roasting-quenching and acid leaching as a pretreatment to eliminate metal impurities, especially potassium, detected by using inductively coupled plasma mass spectrometry (ICP-MS). Finally, the high purity silica, 99.928% was obtained by roasting and calcination temperature of 300°C and 650°C, respectively. However, by considering less energy usage and silica purity achievement, the combination of 300°C roasting-quenching, 1M hydrochloric acid leaching, and calcination at the temperature of 600°C was the best route.
UR - http://www.scopus.com/inward/record.url?scp=85017505836&partnerID=8YFLogxK
U2 - 10.1063/1.4978082
DO - 10.1063/1.4978082
M3 - Conference contribution
AN - SCOPUS:85017505836
T3 - AIP Conference Proceedings
BT - International Conference on Chemistry, Chemical Process and Engineering, IC3PE 2017
A2 - Fatimah, Is
A2 - Purwiandono, Gani
PB - American Institute of Physics Inc.
T2 - International Conference on Chemistry, Chemical Process and Engineering, IC3PE 2017
Y2 - 15 November 2016 through 16 November 2016
ER -