Herlisya, Brilliana Ayu Putri and Khoirunnisa, Tsabitah Zuhro (2026) Desain Pabrik Garam Industri dari Garam Rakyat Menggunakan Proses Pencucian. Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Kebutuhan garam industri di Indonesia terus meningkat seiring dengan perkembangan sektor industri kimia, pangan, farmasi, dan pengolahan air. Namun, produksi garam industri dalam negeri belum mampu memenuhi kebutuhan nasional sehingga impor garam industri masih dilakukan dalam jumlah besar. Di sisi lain, Indonesia memiliki potensi besar berupa garam rakyat yang melimpah, namun kualitasnya masih belum memenuhi spesifikasi garam industri. Oleh karena itu, diperlukan pengolahan lebih lanjut untuk meningkatkan kadar natrium klorida (NaCl) dan menurunkan kandungan pengotor. Perancangan pabrik garam industri berbahan baku garam rakyat menggunakan proses pencucian (washing) dengan larutan brine. Pemilihan proses dilakukan dengan membandingkan tiga alternatif teknologi, yaitu metode pencucian, rekristalisasi dengan Mechanical Vapour Recompression (MVR), dan rekristalisasi dengan pemurnian. Proses produksi meliputi tahapan pre-treatment dengan pengecilan ukuran bahan baku, pencucian dua tahap menggunakan larutan brine untuk menghilangkan pengotor, pemisahan kristal garam dan larutan brine, pengeringan dan pendinginan untuk menurunkan kadar air dan suhu produk, penyaringan untuk memperoleh ukuran produk sesuai spesifikasi, serta pengolahan dan daur ulang brine melalui proses pengendapan pengotor.Pabrik dirancang dengan kapasitas produksi sebesar 300.000 ton garam industri per tahun yang ditujukan untuk menggantikan sekitar 10% kebutuhan impor garam industri nasional. Diperlukan total biaya Fixed Capital Investment (FCI) sebesar Rp 513.565.180.330; Working Capital Investment sebesar Rp 90.629.149.470; Total Capital Investment (TCI) Rp 604.194.329.799; Total Production Cost (TPC) Rp 1.108.929.925.591. Nilai estimasi penjualan pada tahun pertama diperoleh sebesar Rp 864.000.000.000 dan pada tahun kedua hingga seterusnya sebesar Rp 1.440.000.000.000 diperoleh nilai IRR sebesar 17.5% dengan waktu Pay Out Time (POT) selama 4,36 tahun, dan NPV sebesar Rp 295.711.417.320 yang menunjukkan bahwa pabrik garam industri ini layak untuk didirikan.
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The demand for industrial salt in Indonesia continues to increase in line with the development of the chemical, food, pharmaceutical, and water treatment industries. However, domestic industrial salt production has not been able to meet national demand, resulting in large quantities of industrial salt still being imported. On the other hand, Indonesia has great potential in the form of abundant traditional salt, but its quality still does not meet industrial salt specifications. Therefore, further processing is needed to increase the sodium chloride (NaCl) content and reduce the impurity content. The design of an industrial salt factory using traditional salt as raw material employs a washing process with a brine solution. The process selection was made by comparing three alternative technologies, namely the washing method, recrystallization with Mechanical Vapor Recompression (MVR), and recrystallization with purification. The production process includes pre-treatment stages with raw material size reduction, two-stage washing using brine solution to remove impurities, separation of salt crystals and brine solution, drying and cooling to reduce the water content and temperature of the product, filtering to obtain the product size according to specifications, as well as brine processing and recycling through the impurity precipitation process. The factory is designed with a production capacity of 300,000 tons of industrial salt per year, which is intended to replace approximately 10% of the national industrial salt import requirements. The total Fixed Capital Investment (FCI) required is IDR 513.565.180.330; Working Capital Investment of IDR 90.629.149.470; Total Capital Investment (TCI) of IDR 604.194.329.799; Total Production Cost (TPC) of IDR 1.108.929.925.591. The estimated sales value in the first year is Rp 864.000.000.000 and in the second year onwards is Rp 1.440.000.000.000. with an IRR of 17,5% and a Pay Out Time (POT) of 4,36 years, and an NPV of IDR 295.711.417.320, indicating that this industrial salt factory is feasible to establish.
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | Brine, Garam Industri, Garam Rakyat, Washing, Brine, Industrial Salt, Local Salt, Washing |
| Subjects: | T Technology > T Technology (General) T Technology > TP Chemical technology T Technology > TP Chemical technology > TP155.5 Chemical plants--Design and construction |
| Divisions: | Faculty of Industrial Technology and Systems Engineering (INDSYS) > Chemical Engineering > 24201-(S1) Undergraduate Thesis |
| Depositing User: | Brilliana Ayu Putri Herlisya |
| Date Deposited: | 30 Jul 2026 03:09 |
| Last Modified: | 30 Jul 2026 03:09 |
| URI: | http://repository.its.ac.id/id/eprint/137551 |
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