Inhibitor is a substance that added to the corrosive media inhibit corrosion rate. Organic inhibitors are preferred inorganic ones since they environmentally friendly. One of organic compounds which rarely reported as inhibitor Myrmecodia Pendans . The can be adsorbed on metal surface and block active reduce rate corrosion. In this study, used pipe was carbon steel API 5L Grade B with 3.5% NaCl solution medium. objective research analyze inhibition mechanism towards in Concentration...

Carbon Capture and Storage (CCS) is one of the global warming mitigation technology systems by reducing CO2 emissions into atmosphere. This system a series implementations processes that are related to each other, starting from separation capture source exhaust (flue gas), transportation captured storage (transportation), safe place (storage). If these released in large quantities, it will certainly cause various problems such as Global Warming. In maritime sector, widely produced ships gas...

An extract from the peels of Citrus aurantifolia (CA) has been investigated as a corrosion inhibitor on API 5L grade B material in acid solution.It was confirmed by FT-IR measurements that CA contained functional groups could favor inhibition.The effectiveness inhibition examined through use electrochemical techniques and scanning electron microscopy.In 1 M H2SO4, (200 mg/L) 99.2% (from PDP measurements) or 99.1% EIS measurement).The Langmuir isotherm model used to examine adsorption...

On off shores conditions, particularly in the field of construction that uses low-carbon steel material, often a metal corrosion due to reaction with its environment. The most effective way prevent is isolate rate happening can be hampered. use green inhibitors are environmentally friendly, biodegradable, and has relatively low price alternative options achieve goal. Sarang semut extract one organic material used as inhibitor on carbon 3.5% NaCl environment variety concentrations was without...

Inhibitor is generally known as one of many alternatives to control corrosion rate. These days, there the rapid development in which finding inhibitor made from natural ingredient that really eco-friendly. This research use type sarang semut, Myrmecodia Pendans (MP), bio with concentrate level for about 0-500 mg/L and also using material carbon steel API 5L Grade B, HCl 1 M such corrosive media. The affectivity through calibration called Weight Loss, Potentiodynamic Polarization Test,...

Koperasi merupakan salah satu pilar dari perekonomi Indonesia dimana tujuannya adalah mensejahterakan anggota-anggotanya. Fungsi koperasi di beragam mulai sebagai tempat simpan pinjam hingga wadah pembinaan usaha mikro kecil dan menengah. Wanita Setia Bhakti Surabaya berdiri sejak 1975 yang memiliki binaan UMKM cukup banyak. Namun kesadaran dimiliki oleh Kopwan SBW terkait sertifikasi halal rendah. Hal tersebut terbukti tenan pujasera lingkungan kantor masih belum NIB sertifikat halal....

The main objective of this research is to investigate the effectiveness Myrmecodia Pendans (MP) wood extract as Eco friendly Corrosion Inhibitor on corrosion material API 5L Grade B in 3,5% NaCl solution using potentiodynamic polarization curve, Gas Chromatography-Mass Spectrometer (GC-MS) and Electrochemical Impedance spectroscopy (EIS). MP usually called sarang semut Indonesia. We analyzed different concentration extract. By 500, 1000, 1500, 2000 2500 ppm. experiment was started by...

The inhibitor is a substance added in small amounts which aims to inhibit the corrosion rate. Organic inhibitors are environmentally friendly inhibitors. Currently organic studied by many researchers. Natural ingredients raw material research on In this research, polarization testing and FTIR have been done. Papaya leaves as of used, while corrosive medium 1 M HCl solution. Based test, rate absence was 21.43 mm/year. This decreased 0.4 Highest efficiency generated 97%. occurs presence 2.5 ml...

The use of Myrmecodia Pendans (MP) extract as mild steel corrosion inhibitor in 3.5% NaCl media was investigated using weight loss and potentiodynamic polarization methods well characteristics analysis the Fourier Transform Infra-Red (FTIR). Obtained data from has shown value inhibition efficiency (% IE) is proportional toadded concentration. Tafel constants indicates that MP can act cathodic anodic inhibitors (type mixed inhibitor). FTIR also demonstrates MPextract. Occured mechanism form...

One of the efforts to control corrosion rate used is add inhibitors. Corrosion a decrease in quality material (metal) caused by chemical reaction between metal and its environment. The purpose this study analyze effect temperature on corrosive medium presence plant, Myrmecodia Pendans extracts as an organic inhibitor. This type carbon steel APT 5L Grade B with 30°C, 40°C, 50°C. Corrosive was 1M HCl varying concentrations plant 100 500 mg I L. Maceration method for extracting plants, Pendans....

In this study, the corrosion process was done by potentiodynamic polarization method on API 5L Grade B. Variations media used were NaCl 3,5%, HCl 1 M and H2SO4 M. Organic Inhibitors are plant Myrmecodia Pendans, while concentration of extract 100-500 mg / L (multiples 100 L). mechanism adsorption equation model is Langmuir. This study aims to determine appropriate corrosive followed Langmuir isotherm when added extracts Pendans as a inhibitor. The value free energy system have obtained from...

In previous studies, mango peel skin can be used as raw material an organic corrosion inhibitor. This research is a continuation of research. The materials by with leather extract concentration are improved so that the optimized efficiency more optimal. tests have been done in this polarization test, electrochemical and SEM. was 2-6 ml, while solution HCl 1 M. From measurement results, it found rate decreased to 1.774 mm/year. highest inhibitory result 81.77%. Electrochemical test results...

GC-MS is a test that has been done to determine the compounds contained from material. In this study, we analyzed characteristics of inhibitory process mango peel skin as an organic inhibitor. extract, characteristic testing was using GC-MS. SEM measurement and polarization are supporting test. Polarization measurements tests were performed at concentrations 0 6 ml. The selection these based on highest efficiency generated in previous studies. results extract showed Methylamine-D2...

Corrosion is the process of natural changes in nature a material due to influence or reaction with surrounding environment. One way control it by adding inhibitors. In this study, seeds from guava (Psidium Guajava) were used as organic The test API 5L grade B steel. For corrosive media, solution 1 M H 2 SO 4 used. experiments variations concentration extracts 0, 2, 3, 4, 5 and 6 ml. results showed decrease corrosion rate when there additional This supported experimental Potentiodynamic...

The main objective of this research is to investigate the effectiveness Myrmecodia Pendans (MP) wood extract as Eco friendly Corrosion Inhibitor on corrosion material API 5L Grade B in 3,5% NaCl solution using potentiodynamic polarization curve, Gas Chromatography-Mass Spectrometer (GC-MS) and Electrochemical Impedance spectroscopy (EIS). MP usually called sarang semut Indonesia. We analyzed different concentration extract. By 500, 1000, 1500, 2000 2500 ppm. experiment was started by...

In research carried out measurements of weight loss with API 5L grade B material in a solution HCl 1 M. Extract Myrmecodia Pendans is used as corrosion inhibitor. Immersion time was 2 hours, while the temperature variations are 30, 40 and 50°C. Extracts ants 100-500 mg / L (multiples 100 L). this study will also be analyzed some models adsorption mechanisms, including Langmuir, Freundlich, Temkin. This aimed to determine appropriate method isotherms on each system. Adsorption equations model...

Abstract Biomaterials are materials used to replace parts of living systems. 316 L stainless steel has long been as a substitute material for bone dislocation victims. This research aims implant with Cr-Ni coated ST 41 carbon which immersed varying time-intensity Simulated Body Fluid. Material testing uses the method potentiodynamic polarization, electrochemical impedance spectroscopy, and Scanning Electron Microscope. The results this study in form comparison corrosion rate surface...

Corrosion is a natural process that converts carbon steel into more chemically stable form such as oxide. In general corrosion unavoidable but the rate can be slowed down. The of gradual destruction materials on metals by chemical or electrochemical reactions with its environment. Various ways are used to harm damage metal objects exposed weather, brine, acids But in practice environmentally unfriendly prevention material so harmful this study, it aims determine effect eichhornia crasipes...