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ITS » Paper and Presentation » Teknik Material
Posted by tondoindra@gmail.com at 29/10/2015 14:47:58  •  1023 Views


PEMANFAATAN GREEN INHIBITOR DAUN PANDAN WANGI TERHADAP LAJU KOROSI PADA BAJA API 5L GRADE B DI LINGKUNGAN NACL 35 DAN H2SO4 1M

UTILIZATION OF GREEN INIHIBITOR FRAGNANT PANDAN LEAVES ON THE CORROSION RATE OF STEEL API 5L GRADE B 35 NaCl AND 1M H2SO4

Author :
RAHARDI, ANDHI ( 2710100073 )




ABSTRAK

Korosi merupakan fenomena alam yang sering terjadi pada dunia industri minyak dan gas. Pada lingkungan industri khususnya pada bagian konstruksi instalasi saluran transportasi terkandung unsur-unsur yang mampu mempercepat terjadinya reaksi oksidasi pada suatu material. Inhibitor dapat menghambat atau memperlambat suatu reaksi kimia atau dengan kata lain mampu memperlambat laju korosi. Tujuan dari penelitian ini adalah untuk mempelajari pengaruh ekstrak daun pandan wangi Pandanus amaryllifolius Roxb. yang mengandung antioksidan sebagai inhibitor dalam media korosif NaCl dan H2SO4. Dalam penelitian ini digunakan baja karbon API 5L Grade B dengan media korosif H2SO4 1 M dan NaCl 35 dengan variasi konsentrasi dari ekstrak daun pandan wangi 0 mgL 100 mgL 200 mgL 300 mgL 400 mgL dan 500 mgL. Pada hasil pengujian menunjukkan adanya senyawa flavonoid pada ekstrak daun pandan wangi dan laju korosi turun seiring dengan penambahan inhibitor. Laju korosi menurun pada larutan NaCl 35 yaitu sebesar 1038 mpy. Untuk larutan H2SO4 1M laju korosi menurun sebesar 901048 mpy. Efisiensi inhibitor tertinggi yang didapatkan di larutan NaCl 35 yaitu sebesar 75101 . Untuk di larutan H2SO4 1M efisiensi inhibitor tertinggi yaitu sebesar 60365 .


ABSTRACT

Corrosion is a natural phenomenon that often occurs in the oil and gas industry. In industrial environments especially in the construction installation transport channels contained elements that are able to accelerate the oxidation reaction on a material. Inhibitors can inhibit or slow down a chemical reaction or in other words able to slow the rate of corrosion. The purpose of this research is to study the effect of leaves extract fragrant pandan Pandanus amaryllifolius Roxb.. That contain antioxidants as inhibitors in the corrosive medium NaCl and H2SO4. This study used carbon steel API 5L Grade B with corrosive media H2SO4 1 M NaCl and 3.5 with variation of concentration of fragrant pandan leaf extract 0 mg L 100 mg L 200 mg L 300 mg L 400 mg L and 500 mg L. In the test results indicate the presence of flavonoid compounds in fragrant pandan leaves extract and corrosion rate decrease with the addition of inhibitors. Corrosion rate decreased to 3.5 NaCl solution is equal to 1.038 mpy. To a solution of 1M H2SO4 corrosion rate decreased by 901.048 mpy. The highest inhibitor efficiency obtained in 3.5 NaCl solution that is equal to 75.101. 1M H2SO4 solution for at the highest inhibitor efficiency is equal to 60.365.



KeywordsPandanus amaryllifolius Roxb., antioksidan, media korosif
 
Subject:  Korosi dan anti karat
Contributor
  1. Prof. Dr. Ir. Sulistijono, DEA
Date Create: 29/10/2015
Type: Text
Format: PDF
Language: Indonesian
Identifier: ITS-paper-28121150008023
Collection ID: 28121150008023
Call Number: RSMt 620.112 23 Rah p


Source
Paper and Presentation of Material And Metalurgy Engineering RSMt 620.112 2 Far p , 2015

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