MAKHMUDI, NUR (2026) PRA RENCANA PABRIK KALSIUM KLORIDA DARI ASAM KLORIDA DAN KALSIUM KARBONAT DENGAN PROSES NETRALISASI KAPASITAS 85.000 TON/TAHUN. Undergraduate thesis, UNIVERSITAS PEMBANGUNAN NASIONAL "VETERAN" JAWA TIMUR.
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Abstract
The growing demand for calcium chloride as a raw material in the water treatment industry, the food industry, oil and gas drilling, humidity control (as a desiccant), and various other chemical industries has driven the need to build a calcium chloride plant in Indonesia. To date, Indonesia’s demand for calcium chloride is still met through imports, as there are currently no domestic plants producing it on a commercial scale. Therefore, this preliminary design proposes a calcium chloride plant using hydrochloric acid and calcium carbonate as feedstocks, with a capacity of 85,000 metric tons per year, employing a neutralization process. The production process consists of the raw material preparation stage, the calcium chloride formation reaction, and product purification. The main reaction takes place in an acid reactor under operating conditions of 32°C and 1 atm pressure, followed by a neutralization process using a 20% Ca(OH)₂ solution at 40°C and 1 atm pressure. The reaction solution is separated using a rotary drum vacuum filter, then concentrated in an evaporator, crystallized in a crystallizer, separated by a centrifuge, dried in a rotary dryer, and cooled using a cooling conveyor to obtain CaCl₂·2H₂O that meets specifications. Preliminary design results indicate that the neutralization process is feasible because it has relatively simple operating conditions, high conversion rates, abundant domestic raw material supplies, and produces a high-purity product. The plant is planned to be located in the Tuban Industrial Park (KIT), Jenu Subdistrict, Tuban Regency, East Java Province, due to the availability of raw materials, utilities, transportation, and labor. Based on the results of the economic analysis, this plant is feasible to establish because it offers a good profit margin with a payback period that meets the criteria for the chemical industry. The terms for establishing the planned plant are summarized as follows: 1. Capacity: 85,000 metric tons/year 2. Company Type: PT (Limited Liability Company) 3. Organizational Structure: Line and Staff 4. Plant Location: Tuban Industrial Park (KIT), Jenu Subdistrict, Tuban Regency, East Java Province 5. Operating System: Continuous 6. Operating Days: 330 days 7. Number of Employees: 155 people 8. Raw Materials a. Calcium Carbonate (CaCO₃): 8,096.01 kg/hour b. Hydrochloric Acid (HCl 32%): 18,171.19 kg/hour 9. Utilities a. Steam Requirement: 11,661.44 kg/hour b. Electricity Requirement: 1,190.41 kWh c. Water Requirement: 622.07 m³/hour d. Fuel Requirement: 638.37 kg/hour e. Plant Area: 31,900 m² 10. Economic Analysis a. Fixed Capital Investment (FCI): Rp 553,450,317,654 b. Working Capital Investment (WCI): Rp 132,941,221,987 c. Total Capital Investment (TCI): Rp 686,391,539,641 d. Raw Material Costs (1 year): Rp 254,145,229,389 e. Utility Costs (1 year): Rp 11,018,008,802 f. Total Production Cost (TPC): Rp 531,764,887,950 g. Bank Loan Interest: 8% h. Return on Investment (ROI) before taxes: 26.83% i. Return on Investment (ROI) after taxes: 20.13% j. Internal Rate of Return (IRR): 17% k.Break-Even Point (BEP): 34.12% l. Payback Period (PBP): 3 years and 12 months
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > TP Chemical technology > TP155 Chemical engineering | ||||||||
| Divisions: | Faculty of Engineering > Departement of Chemical Engineering | ||||||||
| Depositing User: | Mr Mudi Timur | ||||||||
| Date Deposited: | 23 Jul 2026 07:39 | ||||||||
| Last Modified: | 23 Jul 2026 07:39 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/57793 |
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