STUDI PEMANFAATAN FLY ASH PEMBANGKIT LISTRIK TENAGA UAP (PLTU) BATUBARA MENJADI BATAKO

Taufiqurrahman Hafiizh, Dr. Ir. Yunita Ismail Masjud, M.Si

Abstract


Abstract. Coal-Fired Power Plant (CFPP) owned by PT. XYZ is located in Babelan , Bekasi Regency. Coal for CFPP is expected to continue to increase every year, so that the amount of fly ash produced will also increase. Fly ash are sources that have the potential to have a negative impact on the surrounding environment. Utilization or processing of fly ash can have a positive impact, including being used as a supplement in the production of concrete, both for mortar and mortar mixes. Objectives: The Objective of this research is how the composition of fly ash influences in the manufacture of bricks on the dimensions of, compressive strength and water absorption and whether they meet the quality requirements of bricks based on SNI 03-0439-1989. Methods and Results: The method applied in this study was make 5 different treatments of bricks with different compositions, making bricks using a manual brick molding tool for hollow bricks, then from the results of the molded bricks made and then dried until 28 days old and continued with dimension measurements, compressive strength, and water absorption capacity The findings indicated that the dimensions of the fly ash bricks remained within.the acceptable tolerance limit. Among the fly ash bricks tested, one exhibited the.highest compressive strength at 80.48 Kg/Cm2, coupled with the highest water absorption capacity recorded at 7.43%. Conclusion: It is recommended that during the mixing process, great care should be taken to ensure the mixture achieves homogeneity, ensuring thorough and even mixing It is advisable to employ a hydraulic machine to facilitate this process, leading to denser brick molding outcomes.


Keywords


Fly Ash; Power Plant; Coal; Concrete Brick; SNI 03-0349-1989

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DOI: http://dx.doi.org/10.33021/jenv.v9i1.4763

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Journal of Environmental Engineering and Waste Management Published by PresUniv Press, in collaboration with IESA and APIK Indonesia Network