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Journal : Al-Kimia

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Mechanism and inhibition efficiency of biomass Tetraselmis chuii sp. on carbon steel corrosion in the environment under the conditions of oil wells Yayan - Sunarya; Heli Siti H; Munawaroh Munawaroh; Gun Gun Gumilar
Al-Kimia Vol 8 No 1 (2020): JUNE
Publisher : Study Program of Chemistry - Alauddin State Islamic University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/al-kimia.v8i1.7230

Abstract

Corrosion control on petroleum pipe wells can only be done through the addition of corrosion inhibitors. In this study, the corrosion inhibitors studied were sourced from marine microorganisms, namely the type of microalgae Tetraselmis chuii sp. The aim to be achieved in this study was to determine the mechanism and efficiency of inhibition of the extraction of microalgae biomass in corrosion of carbon steel in an environment of petroleum conditions. To achieve this goal, a potentiodynamic polarization method (Tafel extrapolation) was used and the Electrochemistry Impedance Spectroscopy (EIS) method used the galvanostat-potentiostat device (Voltalab 40, PGZ 301). The results obtained from this study indicate that API 5L X65 carbon steel in the petroleum environment is very significantly corroded, caused by acidic media derived from acetic acid and dissolved CO2. The inhibition ability of the Tetraselmis chuii sp. Biomass extract. in line with the increasing extraction concentration reaching optimum at a concentration of 250 ppm with inhibition efficiency reaching 70%. The mechanism of inhibition takes place through the formation of a protective layer adsorbed on the surface of carbon steel. The protective membrane formed is uneven and tends to be porous.
Co-Authors Achmad Hanafi Achmad Ilham S Achmad Muzaki Adi Saputra Ahmad Khafid Ainur Rohmah Ajeng Rakhma Sejati Anisah Saadah Arief Rachmawan Assegaf Arief Syaf Safrianto Arry Dwi Syahputra Aryati Aryati Ayu Nuryani Citra Pradani P Cut Fatma Anwar Daffa Satria Maulana Danial Danial Desyano Fachri Ramdhani Deuis Nurpala Dhistianti Mei Rahmawantari Diajeng Reztrianti Didik Puji Wahyono Dimas Nur Achmada Dini Yuniarita Dwi Mayangsari Dwi Susilowati Eka Lestari Elok Zubaidah Esti Dwi Rahmawati Fahimul Amri Fathur Rhesa Pradana Fatmi Fatimah Zahra Febbie Rosiana Dewi Gun Gun Gumilar Habibie, Dian Harry Indra Hartini Hartini Heli Siti Halimatul heri aryadi Imam Wibowo Indra Bayu Siregar Inge Chintia Intan Chania Putri Ismail Razak Iwan Kurniawan Iwan Kurniawan Subagja Jamhari Jamhari Junita Putri Rajana Harahap Kavin Fathul Adzim Laksmi Evasufi Widi Fajari Lina Susilowati Lina Susilowati Lutfi Sadewo M Epril Fany M Reza Laila M. Kausar Maulana Margo Utomo Meisya Wulandari Milawati Valantia Mishelei Loen Muhammad Harri Muhammad Noer Fadlan Muhammad Prasetya Utama Muhammad Zainuddin Afas Mu’tasim Biamrillah Niki Ratama Nino Nopriandi Saleh Nuridin Nuridin Nur’ain Harahap PURWO ATMOJO Putri Alfitriani Putri Wijayanti Kusuma Putri, Risma Aliviani Rasidi Rasidi Rayhan Gunaningrat Reza Inung Maulana Rico, Rico Sandi Aji Rita Nataliawati Rosdiana Rosdiana Rosy Rostiawaty Sandi Hardiansyah Satriawaty Migang Septiyanitha Dwi Maharani Putri Setyani, Nanik Sri Shanti Nugroho Sulistyowati SITI AISAH Siti Helmyati Sri Rahayu Sunarya, Yaya Tatag Herbayu Latukismo Taufik Nur Muftiyanto Tri Ardyati Tukimin Tukimin Umalihayati Umalihayati Wahyu Kristiningrum Wisnawati Loeis Wiwik Saraswati, Wiwik Yanzil Azizil Yudaruddin Yuaniko Paramitra Yulia Effrisanti Zakaria, Hadi Ziad Nazila Hakil Udhma Zulfikar -