CD Skripsi
Prarancangan Pabrik Sodium Hydroxide Dari Garam Industri Teknologi Diaphragm-Type Electrolyzers Dengan Desain Alat Utama Reaktor Presipitasi (R-101)
The Sodium Hydroxide plant, known as PT. CASORAN, is designed with a capacity of 45,000 tons per year using the main equipment design of the Precipitation Reactor (R-101). Sodium Hydroxide or NaOH has a wide range of applications in the chemical industry as a raw material in organic chemical industries, inorganic chemical industries, pulp & paper, textiles, and other industries. The process consists of three stages: the raw material preparation stage, which involves industrial salt (NaCl) dissolved in water (H2O); the product formation stage that occurs in the Diaphragm Cell (DC-101) where the salt solution forms NaOH, Cl2, and H2 through a process called electrolysis; and the purification stage where the NaOH exiting the diaphragm cell is directed to an evaporator to be concentrated to 50%. The Sodium Hydroxide plant is planned to operate continuously for 24 hours a day with a production time of 330 days per year. The Sodium Hydroxide plant from industrial salt has a Payback Period (PBP) of approximately 3.6 years (≈ 4 years), an internal rate of return of 22.74%, a return on investment of 7.21%, and a break-even point of 33.56%. Based on the description above, both technically and economically, the Sodium Hydroxide plant from industrial salt (NaCl) is deemed feasible for establishment.
Keywords: Sodium Hydroxide, Diaphragm Cell, Electrolysis, Industrial Salt.
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