Desain Alat Uji Efisiensi Anoda Korban Paduan Zinc Menggunakan Standar DNVGL-RPB401 dengan Variasi Temperatur Elektrolit

Sitorus, Grace Aghata (2023) Desain Alat Uji Efisiensi Anoda Korban Paduan Zinc Menggunakan Standar DNVGL-RPB401 dengan Variasi Temperatur Elektrolit. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Korosi merupakan degradasi material yang terjadi secara alami dan pasti terjadi. Korosi sering menyebabkan kerugian terlebih pada struktur bangunan offshore. Dalam menanggulangi korosi, maka digunakan salah satu metode pencegahan korosi yaitu proteksi katodik dengan standar DnVGL-RPB401. Standar ini digunakan untuk mengetahui efisiensi anoda pada proteksi katodik. Pada penelitian ini, dilakukan perancangan ulang alat uji efisiensi anoda korban sesuai standar DnVGL-RPB401, dan selanjutnya dilakukan pengujian menggunakan variasi temperatur elektrolit, yaitu 20°C, 25°C, 30°C, dan 35°C. Desain alat uji efisiensi yang telah dirancang sudah di kalibrasi dengan alat uji PT. Indocast Fransasia Sejahtera dengan nilai error sebesar 0.99% dengan perbandingan efisiensi anoda korban di PT. Indocast Fransasia Sejahtera mendapatkan nilai efisiensi sebesar 91.96% sedangkan hasil pengujian yang dilakukan dengan menggunakan alat uji dari laboratorium korosi ITS didapatkan nilai efisiensi sebesar 92.95%. Pengaruh dari meningkatnya temperatur larutan elektrolit terhadap nilai dari efisiensi anoda korban adalah semakin menurun. Pada variasi temperatur elektrolit, nilai efisiensi anoda dari yang paling tinggi ke yang paling rendah ada pada temperatur 20°C, 25°C, 30°C, dan 35°C dengan efisiensi anoda korban 92.95%, 90.39%, 88.15%, dan 77.24%.
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Corrosion is a material degradation that occurs naturally and inevitably occurs. Corrosion often causes losses, especially for offshore structures. In tackling corrosion, one of the corrosion prevention methods is used, namely cathodic protection with the DnVGL-RPB401 standard. This standard is used to determine the efficiency of the anode in cathodic protection. In this study, the sacrificial anode efficiency test equipment was redesigned according to the DnVGL-RPB401 standard, and then tested using variations in electrolyte temperature, namely 20°C ,25°C, 30°C, and 35°C. The design of the efficiency test equipment that has been designed has been calibrated with the PT. Indocast Fransasia Sejahtera with an error value of 0.99% with a comparison of the efficiency of the sacrificial anode at PT. Indocast Fransasia Sejahtera obtained an efficiency value of 91.96% while the results of tests carried out using test equipment from the ITS corrosion laboratory obtained an efficiency value of 92.95%. The effect of increasing the temperature of the electrolyte solution on the value of the efficiency of the sacrificial anode is decreasing. At various electrolyte temperatures, the anode efficiency values from highest to lowest were at temperatures of 20°C, 25°C, 30°C, and 35°C with sacrificial anode efficiencies of 92.95%, 90.39%, 88.15%, and 77.24 %.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Anode Efficiency, DnVGL-RPB401, Temperature, Efisiensi Anoda, Temperatur
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) > TA418.74 Corrosion and anti-corrosives T Technology > TA Engineering (General). Civil engineering (General) > TA418.75 Corrosion-resistant materials T Technology > TA Engineering (General). Civil engineering (General) > TA462 Metal Corrosion and protection against corrosion T Technology > TA Engineering (General). Civil engineering (General) > TA467 Iron and Steel Corrosion and protection against corrosion
Divisions:	Faculty of Industrial Technology and Systems Engineering (INDSYS) > Material & Metallurgical Engineering > 28201-(S1) Undergraduate Thesis
Depositing User:	Grace Aghata Sitorus
Date Deposited:	18 Jul 2023 07:30
Last Modified:	18 Jul 2023 07:30
URI:	http://repository.its.ac.id/id/eprint/98556

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