| dc.description.abstract | Pre-design Aluminum Sulfate plant with a capacity of 130,000 tons /year is
planned to be established in Duri, Riau Province, with a land area of14,050 m2. This
factory is planned to operate within 330 days/year or 24 hours a day with a totalof
126 employees.
Bauxite as much as 965.4215 kg/ hour andas much as acid sulfate 15,051.3692 kg/
hour. Take as raw materials the production process will operate at a temperature of
ll(fC, pressure of 1 aim with a total conversion of 61%. Utilities need supply
59,795.1847 kg / hour of water, 2513.5861 kg / hour of steam, and electricity
1092.191OKwh.
From the results of economic analysis Aluminum Factory Pre-Draft Sulfate
obtainedfixed capital of Rp 52.9 billion, working capital of Rp 19 billion profit
before tax of USD 37.7 billion, andprofit after tax USD22.6 billion, percent return
on investment (ROI) before taxes 35.53% and 21.32% after tax, pay-out time (POT)
before taxes 2.19 years and 3.19 years after the tax, break even point (BEP) of
41.61% and shut down point (SDP) of 20.25%. Based on economic calculations it
can be concludedthataluminum sulfateplant wasfeasible to be set up. | en_US |
