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Keywords: hydrochloric acid
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Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12901
... specimens in final condition, only cutting ends were ground to P600 paper. Immersion testing according to ISO 18069 in 1.5 wt-% hydrochloric acid (HCl) at the boiling point and 40 wt-% sulfuric acid (H2SO4) at 50°C was made on flat coupons with the dimension 50 x 20 x 3 mm.6 Three periods of 24, 72 and 72...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12835
..., and enlarges as well as creates new pores by dissolving the rocks and thus increases the oil recovery [1,2]. In acidization process hydrochloric acid (HCl) in the concentration of 15% is most commonly used [3, 4] because of its economical nature. Unfortunately, acid causes the corrosion of the well pipelines...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13330
... corrosion concentration Publication Division acid concentration sulfuric acid passivity permission Pipeline Corrosion well integrity corrosion rate texas 77084 stainless steel hydrochloric acid nickel base material acid Houston manuscript activation test period Effect of Acid...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13376
... in geothermal wells leading to reduced efficiency and sometimes well closure. Hydrochloric acid is used to dissolve carbonate scales and improve efficiency. This acid is very aggressive to the underlying metal, which is typically steel. Corrosion inhibitors are typically added to the acid in order to reduce...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-9052
..., the mixtures of nitric and hydrofluoric acids, diluted and concentrated sulfuric acids and diluted hydrochloric acids. INTRODUCTION N06044 alloy (MC alloy + ) is the nickel-based commercial wrought alloy with the highest chromium content in the world. It is reported 1 that the alloy exhibits excellent...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-9409
..., in individual and mixed acids, to their alloying elements and contents. INTRODUCTION Sulfuric acid (H 2 SO 4 ), hydrochloric acid (HCl) and nitric acid (HNO 3 ) are among the most widely encountered chemicals in the chemical process industries. Sulfuric acid (H 2 SO 4 ) is one of the world's most important...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-9639
... ABSTRACT Nickel alloys, especially the nickel(Ni)-chromium(Cr)-molybdenum(Mo) family, offer excellent resistance to hydrochloric acid. The objective of this paper is to study the corrosion performance of various Ni based alloys in high concentrations of HCl acids below the boiling point...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2016, March 6–10, 2016
Paper Number: NACE-2016-7680
... Abstract Hydrochloric acid (HCl) is an important mineral acid with many uses, including the pickling of steel, acid treatment of oil wells and chemical cleaning and processing. This acid is extremely corrosive and its aggressiveness can change drastically depending on its concentration...
Proceedings Papers
Roberta Q.F. Chimin, Tamires A. Lima, Flora G. Machado, Eustaquio V.R. de Castro, Alexandre O. Gomes, Regina C.L. Guimarães
Publisher: NACE International
Paper presented at the CORROSION 2014, March 9–13, 2014
Paper Number: NACE-2014-4116
... aims at investigating the release process of chlorides by developing a method that allows assessing, comparing, and monitoring the hydrochloric acid generated during oil distillation in order to foresee oil behavior during refining and propose strategies to inhibit hydrolysis reactions and controlling...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2013, March 17–21, 2013
Paper Number: NACE-2013-2760
... steel, and iron alloys. Scales and deposits are treated with strong acids, which may be highly corrosive to the base metals present in the equipment. Corrosion rates can be reduced to reasonable levels upon the addition of acid corrosion inhibitors. Hydrochloric acid (HCl) is commonly employed...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2013, March 17–21, 2013
Paper Number: NACE-2013-2422
... a beneficial effect on super duplex stainless steels in hydrochloric acid and sulfuric acid. However, there have been uncertainties about the magnitude of the claimed effect since the same test method has not been used in all investigations. In this work experimental heats of 25% chromium super duplex...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2012, March 11–15, 2012
Paper Number: NACE-2012-1443
... Summary of Some Nickel Alloys Used in Chemical production Involving Hydrochloric and Sulfuric Acids Larry Paul ThyssenKrupp VDM USA, Inc 1200 Kitty Hawk Suite 204 Peru, IN 46970 ABSTRACT Sulfuric and hydrochloric acids are among the most common chemicals produced and used in the further production...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2011, March 13–17, 2011
Paper Number: NACE-11316
... Pipeline Corrosion well integrity current density Subsurface Corrosion frequency aluminum foil surface materials and corrosion Upstream Oil & Gas hydrochloric acid flowline corrosion riser corrosion triangular waveform morphology peak current density waveform dissolution...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2010, March 14–18, 2010
Paper Number: NACE-10338
... stainless steel corrosion resistance alloy 31 alloy 59 acid crevice corrosion corrosion behavior Corrosion Management corrosion rate hydrochloric acid application nickel-chromium-molybdenum alloy sulphuric acid alloy seawater 2010 REVIEW OF CORROSION ISSUES AND MATERIAL SOLUTIONS IN THE CPI...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2010, March 14–18, 2010
Paper Number: NACE-10336
... in the acids. Key words: New Ni-Mo-Cr alloy, Ni-Cr-Mo, Ni-Mo, iso-corrosion diagrams, hydrochloric acid, sulfuric acid, dissolved oxygen, ferric ions, and cupric ions ©2010 by NACE International. Requests for permission to publish this manuscript in any form, in part or in whole, must be in writing to NACE...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2010, March 14–18, 2010
Paper Number: NACE-10041
...2010 REPAIR OF A 50 FOOT DIAMETER FRP HYDROCHLORIC ACID STORAGE TANK Terry W. Cowley DuPont 140 Cypress Station Drive, Suite 135 Houston, TX 77090 Duane W. Poland DuPont Corpus Christi Site Gregory, TX 78359 ABSTRACT A 50 foot (15.2 m) diameter by 36 foot (11 m) straight shell field erected...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2009, March 22–26, 2009
Paper Number: NACE-09039
... Production Chemistry materials and corrosion riser corrosion Downstream Oil & Gas Pipeline Corrosion Subsurface Corrosion blister Corrosion Management steel coating coating failure lining gulf coast refinery H2S management coating material hydrochloric acid application Corrosion...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2009, March 22–26, 2009
Paper Number: NACE-09381
... Corrosion Management sulfuric acid alloy 27-7mo duplex stainless steel Production Chemistry Upstream Oil & Gas phosphoric acid hydrochloric acid iso-corrosion chart Welding acid iso-corrosion chart stainless steel surface condition 2009 Copyright ©2009 by NACE International. Requests...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2009, March 22–26, 2009
Paper Number: NACE-09366
... resistance zirconium oxide layer heat treatment factor level metals & mining riser corrosion IGA corrosion rate configuration coupon surface condition hydrochloric acid vapor 2 2 0 twenty-eight day vapor 2 2 2 0 edge corrosion stress relief 2009 Copyright ©2009 by NACE International...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2008, March 16–20, 2008
Paper Number: NACE-08190
... important industrial chemicals, hydrochloric acid (HCl) and sulfuric acid (H 2 SO 4 ), provided no oxidants are present. 1-4 The most versatile and widely used corrosion-resistant nickel alloys are those containing chromium and molybdenum (the Ni-Cr-Mo alloys). Together, these elements provide resistance...
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