CD Skripsi
Executive Summary Rancangan Pabrik Akrolein Proses Oksidasi Propena Dengan Desain Alat Utama Kolom Distilasi Akrolein (T-302)
Abstract
The acrolein factory is designed with a production capacity of 30,000 tons/year. The raw
materials used are propene and oxygen with the help of a bismuth-molybdate catalyst through
an oxidation reaction. The oxidation reaction produces acrolein as the main product and acrylic
acid as a side product. The average import of acrolein in Indonesia is 38.000 ton/year (BPS,
2023), it is hoped that the construction of an acrolein factory can reduce dependence on acrolein
imports and can be used as an export commodity. The acrolein factory will be built in
Ciwandan District, Cilegon City, Banten Province. The raw materials required for the acrolein
factory are available domestically, namely in the Cilegon industrial area, so they do not need to
be imported.
The propene oxidation reaction process occurs in a fixed bed multitube reactor with a hitec
salt cooling flow. The reactor output will be separated and purified in an absorber column and
distillation column. The acrolein factory requires power of 971,7 kW/hour, steam of 89.480,18
Kg/hour, and the total water requirement of the acrolein factory is 116.460,49 Kg/hour.
Acrolein factory waste consists of liquid waste and gas waste. The liquid waste from the
acrolein factory was 92,179.12 Kg/hour, the liquid waste was processed using waste water
treatment. Acrolein factory waste gas is handled with a flare system. Every tool in the acrolein
factory uses a control system to maintain the process variable value to be the same as the set
point value and for safety uses valve and alarm controls.
The acrolein factory profitability analysis is determined based on the net present value
(NPV), internal rate of return (IRR), breakeven point (BEP), and payback period (PBP). The
calculation of the net present value (NPV) of the acrolein factory is IDR.2.611.920.060.511
with discount rate 18%. The internal rate of return (IRR) calculation for the acrolein factory
obtained 24,66%. Calculation of breakeven point (BEP) for acrolein factory at 36,52%
production capacity. Calculation of the payback period (PBP) for the acrolein factory for 2.86
years. Profitability analysis shows that the acrolein plant for the propene oxidation process is
feasible to set up and is an attractive investment.
Keywords : Acrolein, Economic Analysis, Oxidation Reaction, Propene Oxidation.
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