Pra-Desain Pabrik Pupuk NPK dengan Metode Mixed Acid Route
Submission Date: 2020-08-18 08:06:35
Accepted Date: 2021-02-01 10:33:29
Abstract
Sebagai negara agraris dengan ketersediaan lahan pertanian yang luas, Indonesia diharapkan mampu mandiri berswasembada pangan. Dalam usaha untuk mewujudkannya perlu ditunjang oleh sektor lain yang mendukung sektor pertanian, antara lain industri pupuk. Pupuk merupakan material yang ditambahkan pada tanaman untuk mencukupi kebutuhan hara. Unsur N, P, dan K adalah unsur tambahan yang paling dibutuhkan oleh tanaman melalui pupuk. Pada penelitian ini dilakukan perancangan pabrik pupuk NPK dengan kapasitas produksi 360.000 ton/tahun. Perancangan pupuk NPK ini dimaksudkan untuk memenuhi 10% kebutuhan pupuk NPK yang diperkirakan akan meningkat sebesar 3.552.579 ton/tahun pada tahun 2022. Pabrik direncanakn berdiri berlokasi di Kecamatan Ujung Pangkah, Kabupaten Gresik dengan pertimbangan kesediaan bahan baku dan utlitas yang memadahi. Tahap produksi pupuk NPK terdiri dari persiapan bahan baku padat, persiapn slurry, granulasi, pengeringan, penyaringan, pendinginan, dan pelapisan. Untuk mendirikan pabrik pupuk NPK diperlukan modal tetap (FCI) sebesar Rp 332.846.240.119,00 dan modal kerja (WCI) sebesar Rp 58.737.571.786,00. Dari perhitungan analisa ekonomi didapatkan niai Pay Out Time (POT) 4,03 tahun dengan Break Event Point (BEP) sebesar 51.01 % dan Internal Rate of Return sebesar 23,4%/tahun. Secara keseluruhan dari segi teknis dan ekonomis pabrik pupuk NPK dengan metode mixed acid route layak untuk didirikan.
Keywords
Pupuk; NPK; Nitrogen; Phosphor; Kalium.
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