Laporan Magang Industri PT. Pertamina Geothermal Energy Area Karaha

Trinova, Itsar Aristo (2025) Laporan Magang Industri PT. Pertamina Geothermal Energy Area Karaha. Project Report. [s.n.]. (Unpublished)

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Abstract

Emisi Non-Condensable Gas (NCG) berupa Hidrogen Sulfida (H2S) dan Karbon Dioksida (CO2) pada fasilitas pembangkit listrik tenaga panas bumi menimbulkan dampak negatif terhadap lingkungan dan memicu kerusakan material, seperti korosi biogenik pada beton menara pendingin dan korosi agresif pada sistem perpipaan. Untuk memitigasi permasalahan operasional dan lingkungan tersebut, diperlukan upaya pemurnian gas pembuangan melalui metode absorpsi kimia. Studi troubleshooting ini bertujuan untuk menganalisis pengaruh variasi laju alir berbagai jenis pelarut terhadap efisiensi penyisihan (removal) gas H2S dan CO2, serta menentukan kondisi operasi yang paling optimal untuk kinerja absorber. Penelitian ini dilakukan menggunakan metode simulasi komputasi dengan perangkat lunak perancangan proses industri kimia. Proses pemisahan disimulasikan di dalam kolom absorber dengan menetapkan parameter operasi termodinamika dan spesifikasi desain kolom secara konstan. Pengujian difokuskan dengan memvariasikan besaran laju alir dari dua jenis pelarut absorben yang berbeda sifat kimianya, guna melihat perbandingan efektivitas penyerapan gas asam.
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Non-Condensable Gas (NCG) emissions in the form of Hydrogen Sulfide (H2S) and Carbon Dioxide (CO2) in geothermal power plant facilities cause negative environmental impacts and trigger material damage, such as biogenic corrosion in cooling tower concrete and aggressive corrosion in piping systems. To mitigate these operational and environmental issues, exhaust gas purification efforts through chemical absorption methods are required. This troubleshooting study aims to analyze the effect of varying flow rates of different types of solvents on the removal efficiency of H2S and CO2 gases, as well as to determine the most optimal operating conditions for absorber performance. This research was conducted using computational simulation methods with chemical industrial process design software. The separation process was simulated in an absorber column by keeping the thermodynamic operating parameters and column design specifications constant. The testing focused on varying the flow rates of two types of absorbent solvents with different chemical properties to observe the comparison of acid gas absorption effectiveness.

Item Type:	Monograph (Project Report)
Uncontrolled Keywords:	Absorpsi kimia, Aspen HYSYS, Hidrogen Sulfida (H2S), Karbon Dioksida (CO2), Laju alir pelarut, MDEA, NaOH.Chemical absorption, Hydrogen Sulfide, Carbon Dioxide, Solvent flow rate, Gas purification, Process simulation
Subjects:	T Technology > TP Chemical technology > TP155.7 Chemical processes.
Divisions:	Faculty of Vocational > 24305-Industrial Chemical Engineering Technology
Depositing User:	Itsar Aristo Trinova
Date Deposited:	23 Jul 2026 07:55
Last Modified:	23 Jul 2026 07:55
URI:	http://repository.its.ac.id/id/eprint/136574

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