POTENTIAL OF USING PLANT EXTRACTS AS GREEN CORROSION INHIBITORS IN THE PETROLEUM INDUSTRY
| Autor: | Lidia Hrnčević, Gordana Bilić, Katarina Žbulj, Katarina Simon |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Carbon steel
Potentiodynamic polarization Dandelion engineering.material Electrochemistry Corrosion Corrosion inhibitor chemistry.chemical_compound Brining CO2 corrosion petroleum industry carbon steel plan extracts green corrosion inhibitors Water Science and Technology Tafel equation QE1-996.5 Mining engineering. Metallurgy Chemistry CO2 korozija naftna industrija ugljični čelik biljni ekstrakti zeleni inhibitori korozije TN1-997 Geology Geotechnical Engineering and Engineering Geology General Energy engineering General Earth and Planetary Sciences Nuclear chemistry |
| Zdroj: | Rudarsko-geološko-naftni Zbornik, Vol 36, Iss 5, Pp 131-139 (2021) Rudarsko-geološko-naftni zbornik Volume 36 Issue 5 |
| ISSN: | 1849-0409 0353-4529 |
| Popis: | In this paper, preliminary studies of ten different plant extracts as potential corrosion inhibitors of carbon steel were examined. For each extract, the concentration range in which it shows anti-corrosion action was first determined, and then the most effective concentration was determined for each extract. The tests were performed in a brine solution saturated with CO2 at room temperature. The aim of this study was to isolate extracts with high effectiveness and subsequent electrochemical and surface methods to determine the mechanism of inhibitory action. For this purpose, potentiodynamic polarization was performed with Tafel extrapolation. Among all the tested extracts, lady’s mantle (92.17%) and dandelion root (95.07%) stood out with their effectiveness. Both tested extracts showed the behaviour of a mixed corrosion inhibitor with a dominant influence on the anode process. U ovome radu provedena su preliminarna ispitivanja deset različitih biljnih ekstrakata kao potencijalnih korozijskih inhibitora ugljičnoga čelika. Za svaki ekstrakt najprije je određen raspon koncentracija u kojemu pokazuje antikorozijsko djelovanje, a potom je za svaki ekstrakt određena najdjelotvornija koncentracija. Ispitivanja su provedena u sintetskoj slojnoj vodi zasićenoj s CO2 pri sobnoj temperaturi. Cilj rada bio je izdvojiti ekstrakte s visokim djelotvornostima te naknadnim elektrokemijskim i površinskim metodama utvrditi mehanizam inhibitorskoga djelovanja. U tu svrhu provedena je potenciodinamička polarizacija s Tafelovom ekstrapolacijom. Od svih ispitanih ekstrakata sa svojim djelotvornostima izdvajaju se vrkuta (92,17 %) i korijen maslačka (95,07 %). Oba ispitana ekstrakta pokazala su ponašanje mješovitoga korozijskog inhibitora s dominantnim utjecajem na anodni proces. |
| Databáze: | OpenAIRE |
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