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All Journal JAST : Jurnal Aplikasi Sains dan Teknologi Walisongo Journal of Chemistry ALKIMIA : Jurnal Ilmu Kimia dan Terapan CHEDS: Journal of Chemistry, Education, and Science Jurnal Ilmu Multidisplin HYPOTHESIS : MULTIDISCIPLINARY JOURNAL OF SOCIAL SCIENCES
Mariyamah, Mariyamah
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Public Health Social Sciences Other

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Journal : HYPOTHESIS : MULTIDISCIPLINARY JOURNAL OF SOCIAL SCIENCES

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PENGARUH FLY ASH TERHADAP KADAR SO3 DAN WAKTU IKAT SEMEN Rahayu, Putri; Mariyamah, Mariyamah; Anase, Novadri; Safaruddin, Safaruddin
HYPOTHESIS : Multidisciplinary Journal Of Social Sciences Vol 4 No 1 (2025): HYPOTHESIS : Multidisciplinary Journal Of Social Sciences
Publisher : Pusat Studi Ekonomi Publikasi Ilmiah dan Pengembangan SDM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62668/hypothesis.v4i1.1458

Abstract

Cement is the main material in construction which is produced from various raw materials such as limestone, iron sand, clay, silica sand, and gypsum. One of the additives often used in cement production is fly ash, which is the residue of burning coal which has the main content of SiO?, Al?O?, and Fe?O?. This study aims to review the effect of using several fly ash on SO? content and cement binding time, in order to optimise the use of fly ash as an environmentally friendly additive while improving cement quality. The results of the analysis The use of different fly ash with a percentage of 10% and 15% of the lowest SO3 content is PLTU bukit asam and the highest is PT Priamanaya The use of fly ash with a percentage of 10% and 15% of different types also affects the binding time. The difference in binding time in different types of fly ash is caused by several factors, namely the particle size of fly ash also affects the binding time. Fly ash with larger or coarser particles tends to slow down the binding time. and Different Chemical composition Fly ash consists of oxides such as silica (SiO?), alumina (Al?O?), calcium (CaO), and iron (Fe?O?). The longest binding time of acid hill power plant and the fastest binding time of PT Priamanaya
Co-Authors Ade Oktasari Ahsanunnisa, Riska Al Jabar, Jauharuddin Luthfi Anase, Novadri Andika, Hari Budaya, Annisa Widya Dwi Fitriyani, Dwi Erviana, Desti Fitria Wijayanti, Fitria Fitria, Nadyatul Herdianto, Monek Kasful Anwar Khoirunisa, Nia KHOLIDAH, NURUL Leni Legasari Lias Hasibuan Nurwijayanti Rahayu, Putri Rahman, Fachtur Rohmatullaili, Rohmatullaili sagita, hariyun Satrio SITI MARIYAH siti rodiah