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All Journal Agitasi: Jurnal Teknik Kimia
Ainul Rahman
Universitas Pendidikan Muhammadiyah Sorong
Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Engineering

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EVALUASI NERACA MASSA TOTAL DESAIN DAN AKTUAL DI WATER TRATMENT PLANT (WTP) PT. X Franklin Sahuburua; Indar Putria; Ainul Rahman; Firmanullah Fadlil
AGITASI: Jurnal Teknik Kimia Vol 1 No 1 (2025): Agitasi : Jurnal Teknik Kimia
Publisher : Universitas Pendidikan Muhammadiyah Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36232/jurnalagitasi.v5i1.3327

Abstract

ABSTRACT The utilities unit, particularly the Water Treatment Plant (WTP), plays an important role in supporting the crude oil processing at PT. X. The performance of this unit can be evaluated through a mass balance calculation, which ensures that the quantity of materials entering, accumulating, and leaving the system is in accordance with the law of conservation of mass. This study aims to calculate and compare the total design and actual mass balance values to assess operational efficiency. The results indicate a discrepancy of 51.56 m³/h between the design and actual values, as well as a 10.83 m³/h difference between actual input and output values. These findings highlight the importance of intensive monitoring and control of operational parameters to minimize losses and optimize the performance of the utilities unit at PT. X.
STUDI AWAL: ANALISIS BIJI BUAH BINTANGUR (Calophyllum inophyllum) PAPUA BARAT DAYA SEBAGAI BIODIESEL MENGGUNAKAN KATALIS NAOH Muthmainnah Ely; Barselina Rumboi; Yohanis Brayen Kamisopa; Yusnita La Goa; Ainul Rahman; Firmanullah Fadlil
AGITASI: Jurnal Teknik Kimia Vol 1 No 1 (2025): Agitasi : Jurnal Teknik Kimia
Publisher : Universitas Pendidikan Muhammadiyah Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36232/jurnalagitasi.v5i1.3622

Abstract

The high use of fossil fuels to the point of a spike, is a sign that fuel is needed by the community. Currently, alternative energy in the form of biodiesel has been developed as one solution to this problem. Biodiesel is a substitute for diesel fuel made from renewable sources such as vegetable oils or animal fats through a transesterification process, so that the fuel becomes more environmentally friendly. In this study, seeds from bintangur fruit (Calophyllum inoopyhllum) were used as biodiesel feedstock by going through a degumming process for oil separation and impurities, esterification to reduce free fatty acid (FFA) levels, transesterification to make biodiesel, and analysis of characteristics in the form of density, viscosity, FFA (free fatty acid) levels, and water content. Based on the results obtained, transesterification results 1 on Bintang Tanjung for density of 1.0898 gr/cm3, viscosity 0.575 mm2/s, moisture content 5.412%, and transesterification results 1 on Bintang Misool for density of 1.033 gr/cm3, viscosity 0.6381 mm2/s, moisture content 4.473%. And the results of transesterification 2 at Bintang Tanjung for density of 0.8837 gr/cm3, viscosity 8.99 mm2/s, FFA content 3.63%, moisture content 0.26%, and transesterification 2 results in Bintang Misool for density of 0.8416 gr/cm3, viscosity 8.99 mm2/s, FFA content 7%, moisture content 8.79%. Thus, it can be concluded that neither Tanjung star nor Misool can be used as biodiesel.
Penentuan Laju Korosi dan Remaining Service Life (RSL) Pipa Carbon Steel API 5L Grade B Elton Mendy Simon; Ainul Rahman; Firmanullah Fadlil
AGITASI: Jurnal Teknik Kimia Vol 1 No 1 (2025): Agitasi : Jurnal Teknik Kimia
Publisher : Universitas Pendidikan Muhammadiyah Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36232/jurnalagitasi.v5i1.3763

Abstract

Corrosion is one of the main causes of material degradation in piping systems, which has a direct impact on safety and operational efficiency. The corrosion process, influenced by the environment, material type, and operational conditions, leads to the thinning of pipe walls over time. Therefore, evaluation of the corrosion rate is crucial in determining the remaining service life of pipes, allowing for mitigation measures to be planned before system failure occurs. This study aims to analyze the corrosion rate using a quantitative approach based on inspection data and to predict the remaining service life using a time-based degradation method. The pipe material examined in this study is API 5L Grade B with a maximum carbon content of 0.30%. The types of corrosion occurring in the internal piping of natural gas are erosion corrosion and crevice corrosion. The reduction of pipe thickness by 0.43 mm is caused by the natural gas content from the gas flow activities that contain hydrocarbon and non-hydrocarbon compounds. The corrosion rate of 0.165 mm/year results in a remaining service life of the pipe being 45 years. This corrosion rate shows a relatively good resistance to corrosion. The results of this study are expected to provide technical recommendations for the sustainable management of pipeline assets.
Study Awal Pengelolaan Food Waste terhadap Global Warming (Pemanasan Global) di Kota Sorong Firmanullah Fadlil; Ainul Rahman; Yusnita Goa; Yusron Difinubun
AGITASI: Jurnal Teknik Kimia Vol 1 No 1 (2025): Agitasi : Jurnal Teknik Kimia
Publisher : Universitas Pendidikan Muhammadiyah Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36232/jurnalagitasi.v5i1.3887

Abstract

Landfill merupakan pengelolaan sampah utama di tempat pemrosesan akhir (TPA) Makbon Kota Sorong. Landfill menghasilkan gas metana yang menyebabkan pemanasan global dan memicu perubahan iklim. Pertambahan penduduk memperbanyak sampah yang perlu diolah di TPA dan dapat memperparah dampak lingkungan yang ditimbulkan. Tujuan penelitian ini adalah menilai dampak lingkungan dari pengelolaan sampah eksisting di TPA Makbon Kota Sorong beserta skenario alternatifnya menggunakan Life Cycle Assessment (LCA). Terdapat satu skenario eksisting dan tiga skenario alternatif pengelolaan sampah yaitu landfill, pengomposan, dan Anaerobic Digestion (AD). Ruang lingkup studi meliputi pengangkutan sampah, pengelolaan sampah dengan cara pengomposan, Anaerobic Digestion (AD), dan landfill. Satuan fungsional yang digunakan yakni ton sampah yang diolah per tahun. Dampak lingkungan yang dipelajari adalah pemanasan global (Global Warming). Dampak lingkungan skenario eksisting menunjukkan nilai tertinggi terutama pada pemanasan global ( 17.627,63 CO2eq/tahun) dan kerugian pada kesehatan manusia ( 0,01635844 DALY). 3 skenario lain memberikan nilai yang sama yaitu 4.296,249 CO2eq/tahun untuk pemanasan global dan 0,01635844 DALY untuk kerugian pada kesehatan manusia namun tetap masih lebih rendah dibandingkan skenario eksisting.
Co-Authors Barselina Rumboi Elton Mendy Simon Firmanullah Fadlil Franklin Sahuburua Indar Putria Muthmainnah Ely Yohanis Brayen Kamisopa Yusnita Goa Yusnita La Goa Yusron Difinubun