PRA-RANCANGAN PABRIK PABRIK ALUMINIUM HIDROKSIDA DARI BAUXITE DAN NATRIUM HIDROKSIDA DENGAN PROSES DOUBLE DIGESTING

Elleonore Noverieza Rochadiana, RR. Jasmine Nadya (2025) PRA-RANCANGAN PABRIK PABRIK ALUMINIUM HIDROKSIDA DARI BAUXITE DAN NATRIUM HIDROKSIDA DENGAN PROSES DOUBLE DIGESTING. Undergraduate thesis, Universitas Pembangunan Nasional "Veteran" Jawa Timur.

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Abstract

Pabrik Aluminium Hidroksida berkapasitas 60.000 ton/tahun ini berlokasi di Kawasan Industri Kendawangan, Ketapang, Kalimantan Barat, menggunakan bahan baku bauksit dari PT. Well Harvest Winning Alumina Refinery dan NaOH dari PT. Pakerin Indonesia. Proses produksi menggunakan metode Double Digesting, di mana bauksit direaksikan dua tahap dengan larutan NaOH 48% dan spent liquor untuk memperoleh konversi natrium aluminat 91%, kemudian dipresipitasi menjadi aluminium hidroksida. Pabrik berbentuk Perseroan Terbatas dengan sistem garis dan staf, beroperasi kontinyu 330 hari/tahun, mempekerjakan 200 orang, dan bertujuan memenuhi kebutuhan dalam negeri serta mengurangi impor. Total investasi sebesar Rp 785,13 miliar, biaya produksi tahunan Rp 953,56 miliar, dengan ROI 26,85% (sebelum pajak), IRR 16,7%, Pay Back Period 3 tahun 5 bulan, dan Break Even Point 31,24%.

Item Type: Thesis (Undergraduate)
Contributors:
ContributionContributorsNIDN/NIDKEmail
Thesis advisorPujiastuti, M. T., Ir. Caecilia19630305 198803 2 001caecilia.tk@upnjatim.ac.id
Subjects: Q Science > QA Mathematics
Q Science > QC Physics
Q Science > QD Chemistry
Divisions: Faculty of Engineering > Departement of Chemical Engineering
Depositing User: Jasmine Nadya Elleonore
Date Deposited: 04 Nov 2025 04:53
Last Modified: 04 Nov 2025 04:53
URI: https://repository.upnjatim.ac.id/id/eprint/45970

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