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All Journal International Journal of Eco-Innovation in Science and Engineering (IJEISE)
Shanti Larissa
Chemical Engineering Department, Engineering Faculty, Universitas Pembangunan Nasional “Veteran” Jawa Timur. Jalan Raya Rungkut Madya Gunung Anyar, Surabaya, Indonesia, 60249
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Optimization of Neutralize Crude Gypsum (NCG) Quality through Flash Dryer Utilization at Plant IIIA PT. Petrokimia Gresik Rensa Arnas Yunarwan; Shanti Larissa; Rohmad Taufiqi; Rachmad Ramadhan Yogaswara
International Journal of Eco-Innovation in Science and Engineering (IJEISE) Vol. 4 No. 1 (2023): IJEISE
Publisher : International Journal of Eco-Innovation in Science and Engineering (IJEISE)

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Abstract

Neutralized Crude Gypsum (NCG) is produced as by-product from phosphoric acid plant at Plant IIIA PT. Petrokimia Gresik. The aims of this study are finding main cause and solution from Neutralized Crude Gypsum (NCG) quality reduction at PT. Petrokimia Gresik Plant IIIA. This research is done by qualitative analysis in order to collect the data of gypsum quality every month. Gypsum characteristics is observed by some instrument analysis such as spectrophotometry UV-Vis, atomic absorption spectrometry (AAS), and gravimetry technique. NCG was taken at different point on gypsum disposal land and different times to analyze its quality change. NCG sample shows decreased quality having higher moisture content at September that does not comply the SNI 715:2016 about gypsum minimum quality. Flash dryer is designed in this study to reduce the water concentration inside the surface of gypsum particle. Flash dryer design can lower the H2O content based on material balance analysis at finishing sector Plant IIIA unit.
Co-Authors Rachmad Ramadhan Yogaswara Rensa Arnas Yunarwan Rohmad Taufiqi