CD Skripsi
Prarancangan Pabrik Ammonia Dari Hidrokarbon Dan Udara Menggunakan Proses Kbr Dengan Disain Alat Utama Reaktor High Temperature Shift Converter
ABSTRACT
Ammonia is raw material for fertilizer industry, refrigerant and textile. The need
for ammonia is increasing due the development of the agricultural industry which
uses ammonia as the main raw material. Ammonia is produced by reacting
hydrogen from natural gas and nitrogen from air. This plant is designed to
produce 350.000 ton ammonia per year, operated continuously for 330 days/year
and 24 hours/day. The main of equipment design in this paper is high temperature
shift converter (HTSC). In HTSC, carbon monoxide is converted into carbon
dioxide with water and Fe-Cu catalyst for easier removal CO2 in the CO2 removal
system. This reactor is operated at temperature 644oK and pressure 30 bar. Type
of this rector is fixed bed multitube with 420 tube and cooling water in shell side.
Fixed capital investment of this plant is Rp 1.237.828.356.614, total production
cost Rp 1.441.431.713.805 and annual net profit Rp 988.881.802.274. From
economical analysis, pay back period of this plant is 1,0102 year, return of
investment 79,9% and break even point 20%.
Keyword: Ammonia, Economic Analysis, Natural Gas, Reactor
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