CD Skripsi
Executive Summary Rancangan Pabrik Sikloheksanol Dari Sikloheksena Proses Asahi Kasei Dengan Desain Alat Utama Reaktor Dehidrogenasi Sikloheksana (R-101)
ABSTRACT
Global demand for cyclohexanol continues to rise, driven by growth in the textile, plastic, coating, and automotive industries. Despite this demand, Indonesia currently possesses no domestic cyclohexanol production capability and remains reliant on imports to fulfill its needs. This presents a significant opportunity for the establishment of a local manufacturing facility to reduce import dependency and enhance national industrial competitiveness. The global cyclohexanol market was valued at USD 7,946.9 million in 2022 and is projected to expand at a Compound Annual Growth Rate (CAGR) of 4.58% through 2032. Cyclohexanol is synthesized via a two-step process, the dehydrogenation of cyclohexane to cyclohexene, followed by its conversion to cyclohexanol. The proposed plant is strategically located in Bangsal Aceh, Dumai City, Riau, selected for its proximity to port facilities for raw material import and product export, coupled with the reliable availability of essential utilities.
The production process initiates with the catalytic dehydrogenation of cyclohexane to cyclohexene in a fixed-bed multitubular reactor (R-101), employing a nickel-based catalyst which achieves a conversion yield of 91%. Subsequent separation and purification are conducted using a flash drum and distillation columns. The resulting cyclohexene is then reacted with water through a direct hydration process in a reactive distillation column, achieving a conversion rate of 99%. Process water is sourced from the Mesjid River in Dumai and is demineralized to meet plant specifications. The total calculated power requirement for the facility is 2,068.79 kW, incorporating a 20% over-design factor. Effluents generated include wastewater and gaseous streams, primarily hydrogen (H₂), which are subjected to appropriate treatment prior to environmental discharge. The plant employs comprehensive instrumentation and control systems, including sensors, indicators, controllers, alarms, and recorders for monitoring critical process variables such as temperature, flow rate, pressure, and liquid level.
An economic analysis demonstrates strong project viability. Key profitability indicators Net Present Value (NPV), Return on Investment (ROI), Payback Period (PBP), Internal Rate of Return (IRR), and Break-Even Point (BEP) were evaluated under fluctuating raw material and product pricing scenarios, yielding results of IDR 9.72 trillion; 19.91%; 3.57 years; 25.35%, and 56.64%, respectively. The calculated PBP is deemed favorable as it falls below the 4.2 year threshold. The operation becomes profitable above 56.64% of production capacity. The ROI value resides within the acceptable range for a medium-risk project (16-24%). Consequently, the establishment of this cyclohexanol production facility is economically justified and recommended.
Keywords: Import, Reactive Distillation, Dumai, Profitability Analysis, Cyclohexanol.
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