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Title: Utilization of Rice Husk, an Abundant and Inexpensive Biomass in Porous Ceramic Membrane Preparation: A Crucial Role of Firing Temperature
Authors: Tran Thi Ngoc Dung
Vu Nang Nam
Tran Thi Nhan
Bui Nguyen Hoang
Do Le Thanh Hung
Dang Viet Quang
Issue Date: 2021
Publisher: Journal of Nanomaterials
Abstract: The influence of firing temperature on characteristics and bacterial filtration of the porous ceramic membrane prepared from rice husk (20 wt%) and kaolin has been investigated. As firing temperatures increased from 900 to 1100°C, the compressive strength of membrane increased from 555.3 N/cm2 to 2992.3 N/cm2, whereas the porosity decreased from 49.4 to 30.2% due to structural condensation and mullite formation. The condensation caused pore contraction that finally improved bacterial removal efficiency from ~90% to 99%. The results suggested that the porous ceramic membrane prepared from rice husk and kaolin should be fired at ~1050°C to attain both strength and filtration efficiency.
URI: https://www.hindawi.com/journals/jnm/2021/8688238/
https://dlib.phenikaa-uni.edu.vn/handle/PNK/2863
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