Aluminum Sulfate is commonly known as alum, can be used as a control pH of the waterudtreatment, precipitating materials, adhesive paper and tanning animal skin by removing fatsudand oils contained in the skin. Within five years of aluminum sulphate has increased,udespecially in the export product, this signifies that the needs of Aluminium Sulphate is notudonly needed by the factories in the country, and even overseas factories need productsudAluminium sulphate.udAluminium sulphate is obtained by reacting sulfuric acid and kaolin. The reaction occursudat a temperature of 90 ° C at a pressure of 1 atm. Aluminum sulfate products produced asudmuch as 2525.252 kg / hour, to produce the products according to the calculation, theudrequired raw materials as much sulfuric acid 3797.603 kg / h and kaolin as much as 1317.536udkg / hour. Process support unit (utility) covers the supply of cooling water 17161.093 kg /udhour, the water to steam demand of 522.750 kg / hour produced from boilers with diesel fueludamounted to 148.730 L / h, water for sanitation amounted to 2059.260 kg / hour , Aluminumudsulphate factory needs electricity amounted to 466.580 kW obtained from PLN and provideduda generator set as a backup. Compressed air requirement of 30 m3 / h. The factory is plannedudto set up in Purwakarta, West Java in 2020 with a land area of 9,869 m2 and requireudemployees 150 people.udAluminum sulphate factory uses fixed capital of USD 183 447 950 599 and workingudcapital of Rp 25,465,339,428. From the economic analysis of this plant demonstrates profitudbefore and after tax was Rp 64,353,544,264 and Rp 48,265,158,198. Return on Investmentud(ROI) before and after tax, 35.1% and 26.3%. Pay Out Time (POT) before and after taxes, forud2.22 years and 2.75 years. Break Even Point (BEP) amounted to 49.71%, Shut Down Pointud(SDP) amounted to 28.21%, Discounted Cash Flow (DCF) accounted for 40.83%. Feasibilityudanalysis of the data it can be concluded that the plant is feasible to set.
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