July 2020

Synthesis and characterization of hemp and flax fiber reinforced geopolymer composites

Reinforced Ordinary Portland Cement (OPC) has for a long time been a viable binder until the realization of its huge contribution to the excess carbon dioxide emitted in the atmosphere during its fabrication. The aim of this research work is to synthesize and characterize Collie fly ash based geopolymer composites reinforced with flax and hemp fibers. It was shown in this work that fiber reinforced geopolymer composites...

Author(s): Elvis Sikapizye and Adrian Habanyama  

October 2020

Characterization of rice husk ash prepared by open air burning and furnace calcination

Rice husk (RH) is an agricultural waste, and easily available in rice growing areas. The husk is mostly burnt as a way of getting rid of it. The ash obtained after burning or calcination may have economic application, mainly dependent on its properties. These properties in turn depend on the calcination method. However, for commercial viability, and for many applications, the calcination method should not only be as...

Author(s): Kaleli Mbinda Jonathan, Kamweru Paul Kuria, Gichumbi Joel Mwangi and Ndiritu Francis Gichuki,