PREPARATION OF ACTIVATED CARBON-ZEOLITE COMPOSITES FROM RICE HUSK ASH
نویسندگان
چکیده
Rice husk (RH) is a biomass resource that contains about 20 mass% silica. In Southeast Asia countries, RH used as fuel for thermal power plants, and it produces large amount of ash (Rice Husk Ash: RHA), industrial waste. Furthermore, our research group has reported consolidated zeolite A could be prepared from RHA raw material. Zeolite hydrophilic micropore in the structure adsorption builder detergent. From processing point view, remaining carbon must removed before synthesizing A. However, utility not been studied sufficiently. present study, therefore, possibility usage both silica material was investigated high value-added application RHA. Before synthesis zeolite, activation treatment carried out under specific conditions to make become porous. The surface area measured by BET activated Additionally, hydrothermal treatments were attempted after adjusting composition materials preparation composites zeolite. For obtained specimens, XRD analysis SEM conducted characterizations confirm crystalline phases microstructures respectively. Activation made larger. As time temperature increased, crystallized cristobalite reactivity decreased. phase recognized specimens with an appropriate composition. homogenous particles size smaller than 1 μm also observed. Therefore, carbon-zeolite synthesized
منابع مشابه
Preparation of Activated Carbon from Pyrolyzed Rice Husk by Leaching out Ash Content after CO2 Activation
To prepare activated carbons with a high porosity and low ash content from pyrolyzed rice husk, the method of KOH or K2CO3 solution leaching after CO2 activation was investigated. The effects of KOH or K2CO3 concentration and leaching time on the yield, ash content, and textural properties of the activated carbon were studied, and the activated carbon prepared under the best conditions was char...
متن کاملPreparation of porous bio-char and activated carbon from rice husk by leaching ash and chemical activation
Preparation porous bio-char and activated carbon from rice husk char study has been conducted in this study. Rice husk char contains high amount silica that retards the porousness of bio-char. Porousness of rice husk char could be enhanced by removing the silica from char and applying heat at high temperature. Furthermore, the char is activated by using chemical activation under high temperatur...
متن کاملSpotlights: Application of rice husk and rice husk ash in organic reactions
Mohaddeseh Seddighi was born in Rasht, Guilan, I. R. Iran (1985). She received B.Sc. in applied chemistry from Isfahan University of Technology (IUT) (2007) and his M.Sc. in organic chemistry from Isfahan University of Technology (2010) under the direction of Professor Abdol. R. Hajipour. She began her Ph.D. studies at University of Guilan under supervision of Professor Farhad Shirini from 2011...
متن کاملSpotlights: Application of rice husk and rice husk ash in organic reactions
Mohaddeseh Seddighi was born in Rasht, Guilan, I. R. Iran (1985). She received B.Sc. in applied chemistry from Isfahan University of Technology (IUT) (2007) and his M.Sc. in organic chemistry from Isfahan University of Technology (2010) under the direction of Professor Abdol. R. Hajipour. She began her Ph.D. studies at University of Guilan under supervision of Professor Farhad Shirini from 2011...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: ASEAN Engineering Journal
سال: 2021
ISSN: ['2586-9159']
DOI: https://doi.org/10.11113/aej.v10.16604