An experimental different shape of lightweight palm oil fuel ash cement brick microwave absorber characterization

The research on green technology to produce a useful product from dumping of these wastes is conducted. The alternative material to reduce the decline of the surround environment must perform studied on biomass reused. Thus, the composition outcome of cement brick absorber using biomass material has been investigated. The combination of biomass from palm oil with other element such as cement, foam and water were used to produce palm oil biomass cement brick absorber (POBCBA). The achievement of the electromagnetic wave absorption is improved with the increase of thickness. For the simulation, modeling and analysis of the properties of biomass cement brick absorber are using software, Computer Simulation Technology (CST) Microwave. The parameter such as dielectric and reflectivity properties used in this project. The measurement of absorber measured by using Arch Method Measurement for absorption performance from different thicknesses of brick with 3 cm, 6 cm, 9 cm, 12 cm and from different shape of brick which are semi-pyramidal hollow in cement brick and wedge pyramidal hollow in cement brick at frequency range 8-12 GHz. Among all of the prototype, the wedge pyramidal hollow gives a better absorption.