Pengaruh Temperature, Pressure Serta Kemurnian Lean Teg Terhadap Pengurangan Water Content Gas Outlet Contactor Pada Proses Dehydration Gas Alam Menggunakan Simulasi Aspen Hysys V. 10

Azlina, Revi (2022) Pengaruh Temperature, Pressure Serta Kemurnian Lean Teg Terhadap Pengurangan Water Content Gas Outlet Contactor Pada Proses Dehydration Gas Alam Menggunakan Simulasi Aspen Hysys V. 10. Other thesis, Universitas Islam Riau.

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Abstract

The problem with this plant is that it contains a lot of water vapor (water content) in natural gas where the H2O content in natural gas components here it reaches 0.3192 from wells, and natural gas components that have experienced chemical separation in the separator is still 0.0019 H2O and the water content is 19.54 Lbs/MMCF. In the industrial world, the permissible water vapor content is < 7 Lbs/MMCF in accordance with pipe specifications and has a selling price to Bayer. Therefore, it is necessary to carry out a gas dehydration process to separate the water vapor content of natural gas with the absorption method usin triethylene glycol (TEG) absorbent where this process is carried out in the contactor or absorber or Glycol Dehidrasi Unit (GDU). This research was conducted for determine the effect of temperature, pressure and purity of TEG on lean glycol on the reduction of water content in this absorption process using Aspen Hysys V. 10 simulation. Based on actual data obtained at temperature lean TEG 100 the total water content is 11.60 Lbs/MMCF while in the simulation it is 10.03 Lbs/MMCF. The amount of water content obtained in dry gas is influenced by temperature, pressure and TEG purity of lean glycol. the sensitivity of the research study, it was obtained that the lean glycol temperature of 99 had the lowest water content of 1,012 Lbs/MMSCF and then at a pressure of 875 Psig is the total water content of 1,170 Lbs/MMSCF and at 99% glycol purity, 0.3316 lbs/MMSCF is obtained. And after combining each parameter that has obtained the lowest amount of water content, then the water content in dry gas is 0.279 lbs/MMSCF.

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