The effectiveness of the VPCI for the petroleum chemical industry has been reported. Several types of corrosion inhibitors were tested at the concentration range of 5O to 200 ppm in an electrolyte and electrolyte-hydrocarbon mixture in the presence of carbon dioxide (C02) and hydrogen sulfide (H2S) with and without flow modifiers. The different combinations of corrosion inhibitors and drag reducers provide systems with improved water flow and corrosion protection for pipelines carrying water or a mixture of hydrocarbon and water. Dynamic tests were performed using the same electrolyte and hydrocarbon mixture as in the static tests, with continuous purging of CO2 at a temperature of 70 deg C. VPCI A and VPCI B are effective corrosion inhibitors in sweet/sour electrolyte-containing hydrocarbons.
Effectiveness of petroleum industry corrosion inhibitors under various flow conditions
Effektivität von Korrosionsinhibitoren in der Erdölindustrie bei verschiedenen Strömungsbedingungen
Materials Performance ; 48 , 9 SUPPL. ; 13-17
2009
5 Seiten, 9 Quellen
Aufsatz (Zeitschrift)
Englisch
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