Server maintenance is scheduled for Saturday, December 21st between 6am-10am CST.

During that time, parts of our website will be affected until maintenance is completed. Thank you for your patience.

Menu
Search
Filters
Close
Menu

10326 Effect of Corrosion Inhibitor Active Components on Corrosion Inhibition in a Sweet Environment

Picture for 10326 Effect of Corrosion Inhibitor Active Components on Corrosion Inhibition in a Sweet Environment
Available for download
Product Number: 51300-10326-SG
ISBN: 10326 2010 CP
Author: Kenny Tsui, Jennifer E. Wong and Neil Park
Publication Date: 2010
$0.00
$20.00
$20.00
In sweet corrosion, corrosion scales such as iron carbonate are formed on the internal surfaces of oil and gas production and transport systems. Depending on the type of corrosion inhibition program and the age of production system before chemical treatment is implemented, the presence of corrosion scale could affect the performance of the inhibitor. Previous work completed by the authors’ company investigated the interaction of iron carbonate and three inhibitor actives - quaternary amine, imidazoline, and phosphate ester. This study is a continuation and examines two more generic compounds: quaternary amine dimer and alkyl pyridine quaternary amine. Linear Polarization Resistance (LPR), Electrochemical Impedance Spectroscopy (EIS) were used to measure corrosion rates and to monitor the active-scale interaction. Scanning Electron Microscopy (SEM) was used to observe the morphology of the iron scale layer.

The second part of this paper explores aggregate formation for several generic inhibitor actives. Most actives are surfactants which form micelles above the Critical Micelle Concentrations (CMC). In theory, maximum inhibition should be observed around the CMC since additional surfactant molecules lead to the formation of micelles and do not contribute to inhibition. This concept is discussed and the relationship between surfactant concentration, adsorption and inhibition is analyzed.

KEYWORDS: corrosion inhibition, iron carbonate, quaternary amine, alkyl pyridine, linear polarization resistance, electrochemical impedance spectroscopy, scanning electron microscopy, surfactant, critical micelle concentration
In sweet corrosion, corrosion scales such as iron carbonate are formed on the internal surfaces of oil and gas production and transport systems. Depending on the type of corrosion inhibition program and the age of production system before chemical treatment is implemented, the presence of corrosion scale could affect the performance of the inhibitor. Previous work completed by the authors’ company investigated the interaction of iron carbonate and three inhibitor actives - quaternary amine, imidazoline, and phosphate ester. This study is a continuation and examines two more generic compounds: quaternary amine dimer and alkyl pyridine quaternary amine. Linear Polarization Resistance (LPR), Electrochemical Impedance Spectroscopy (EIS) were used to measure corrosion rates and to monitor the active-scale interaction. Scanning Electron Microscopy (SEM) was used to observe the morphology of the iron scale layer.

The second part of this paper explores aggregate formation for several generic inhibitor actives. Most actives are surfactants which form micelles above the Critical Micelle Concentrations (CMC). In theory, maximum inhibition should be observed around the CMC since additional surfactant molecules lead to the formation of micelles and do not contribute to inhibition. This concept is discussed and the relationship between surfactant concentration, adsorption and inhibition is analyzed.

KEYWORDS: corrosion inhibition, iron carbonate, quaternary amine, alkyl pyridine, linear polarization resistance, electrochemical impedance spectroscopy, scanning electron microscopy, surfactant, critical micelle concentration
Product tags
Also Purchased
Picture for 10332 Sour and Sweet Corrosion of Carbon Steel: General or Pitting or Localized or All of the Above?
Available for download

10332 Sour and Sweet Corrosion of Carbon Steel: General or Pitting or Localized or All of the Above?

Product Number: 51300-10332-SG
ISBN: 10332 2010 CP
Author: Sankara Papavinasam, Alex Doiron, Jian Li, Dong-Yeob Park, and Pei Liu
Publication Date: 2010
$20.00

Analysis of corrosion of carbon steel in sour and sweet environments. Non-classical nature of localized pitting corrosion of carbon steel in sour and sweet environments explained. Description of a model to predict internal pitting corrosion of carbon steel under sour and sweet environments,
Picture for 08345 Effect of Corrosion Inhibitor Active Components on the Growth of the Iron Carbonate Scale Unde
Available for download

08345 Effect of Corrosion Inhibitor Active Components on the Growth of the Iron Carbonate Scale Under CO2 Conditions

Product Number: 51300-08345-SG
ISBN: 08345 2008 CP
Author: Jennifer E. Wong and Neil Park
Publication Date: 2008
$20.00
Picture for 09569 Further Investigation on the Effect of Corrosion Inhibitor Actives on the Formation of Iron Ca
Available for download

09569 Further Investigation on the Effect of Corrosion Inhibitor Actives on the Formation of Iron Carbonate on Carbon Steel

Product Number: 51300-09569-SG
ISBN: 09569 2009 CP
Author: Jennifer E. Wong and Neil Park
Publication Date: 2009
$20.00
Categories
Industry
Recently viewed
Popular tags
View all

Association for Materials Protection and Performance

© AMPP All Rights Reserved.
Membership Terms of Content Use
Contact Customer Support