Rahmawati, Eka Amilia (2016) Pengaruh Metode Ekstraksi Kulit Pisang Candi (Musa Spp.) Sebagai Green Corrosion Inhibitor Terhadap Laju Korosi Baja API 5 L Grade B Pada Lingkungan 3.5% Nacl. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Inhibitor kulit pisang candi memiliki potensi untuk
dijadikan Green Corrosion Inhibitor karena mengandung
antioksidan seperti tanin. Untuk mengolah kulit pisang candi
menjadi inhibitor dapat dilakukan dengan beberapa metode
ekstraksi. Dalam penelitian ini memiliki tujuan untuk
menganalisa pengaruh metode ekstraksi (maserasi, reflux dan
Infudasi) terhadap kualitas hasil ekstrak dan pengaruhnya saat
diaplikasikan sebagai inhibitor pada larutan elektrolit 3,5% NaCl,
serta menentukan metode mana yang paling efektif untuk
diaplikasikan dalam produksi skala industri. Untuk menganalisa
pengaruh penambahan inhibitor hasil dari beberapa metode
ekstraksi tersebut, maka dilakukan beberapa pengujian seperti uji
spektrofotometri, FTIR, weight loss, Tafel, dan EIS. Hasil
ekstraksi dari setiap metode menghasilkan ekstrak sebanyak
14,37 gr metode maserasi, 14,40 gr metode reflux dan 14,28 gr
metode infudasi. Kandungan tanin dari setiap metode ekstrasi
sebesar 1,19% metode maserasi, 1,29% metode reflux dan 1,30
metode infudasi. Effisien tertinggi yang diperoleh dari pengujian
weight loss dari setiap metode sebesar 42,06% metode maserasi,
49,04% metode reflux dan 57,45% metode infudasi. Sedangkan
dari pengujian Polarisasi Potensiodinamik didapat efisiensi
tertinggi dari setiap metode sebesar 84,87% metode maserasi,
91,71% metode reflux dan 72,61% metode infudasi. Ditinjau dari
hasil pengujian yang telah dilakukan, metode yang paling efektif
diterapkan dalam mengekstrak kulit pisang candi adalah metode
infudasi dengan kandungan tanin dan effisien tertinggi. Serta
waktu yang tidak lama yaitu 2 jam dan biaya yang tidak terlalu
mahal, karena instrumen yang digunakan dapat diganti dengan
instrumen konvensional.
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Inhibitors of banana skin has the potential to be a Green
Corrosion Inhibitor because it contains antioxidants such as
tannins. To cultivate the banana skin into inhibitor can be done
by several methods of extraction. This study has the objective to
analyze the influence of variations in methods of extraction
(maceration, reflux and infuse) on the quality of the extract and
its effect when applied as an inhibitor in the electrolyte solution
of 3.5% NaCl, and determine which method is most effective for
application in industrial-scale production , To analyze the effect
of adding the inhibitor results of some of the extraction method,
there will be some test. Test spectrophotometry, FTIR, weight
loss, Tafel and EIS . The results of each method produces extract
as much as 14.37 g for maceration method, 14.40 grams for
reflux method and 14.28 grams for infuse method. Tannin content
of each extraction from maceration,reflux, and infusemethod are
1.19%, 1.29% and 1.30. The highest efficient obtained from the
testing of each method of weight loss are 42.06% for maceration
method, 49.04% for reflux method, and 57.45% infuse method.
The result from potentiodynamic polarization testing obtained the
highest efficiency from maceration, reflux, and infuse method are
84.87%, 91.71% and 72.61%. From the results of tests that have
been carried out, the most effective method for making banana
peel extract is infuse method because it has the highest content of
tannins ,can be done in short time and the cost is not too
expensive, because the instruments used may be replaced with a
conventional instrument.
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Additional Information: | RSMt 620.112 23 Rah p |
| Uncontrolled Keywords: | baja karbon rendah; inhibitor organik; NaCl 3,5%; Kulit Pisang; low carbon steel; organic inhibitor; banana skin |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) > TA418.74 Corrosion and anti-corrosives T Technology > TN Mining engineering. Metallurgy > TN752.I5 Steel--Heat treatment |
| Divisions: | Faculty of Industrial Technology > Material & Metallurgical Engineering > 28201-(S1) Undergraduate Thesis |
| Depositing User: | Anis Wulandari |
| Date Deposited: | 15 Jun 2017 07:05 |
| Last Modified: | 27 Dec 2018 06:44 |
| URI: | http://repository.its.ac.id/id/eprint/41699 |
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