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corrosion inhibitors

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030200
EISBN: 978-1-62708-282-2
... Abstract This chapter provides a detailed account of corrosion inhibitors for oil and gas production. It begins by discussing some of the demands of competitive industry on inhibitor formulations. It then describes the varying characteristics of oil wells, gas wells, water injection systems...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030209
EISBN: 978-1-62708-282-2
... Abstract This chapter describes various units and process streams that are often susceptible corrosion inhibitors in crude oil refineries, discusses the types and applications of corrosion inhibitors, and provides some information on corrosion monitoring techniques used at refineries...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910363
EISBN: 978-1-62708-250-1
..., and laser processing. The last section focuses on nonmetallic inorganic coatings including ceramic coating materials, conversion coatings, and anodized coatings. corrosion control protective coatings corrosion inhibitors organic coatings metallic coatings nonmetallic inorganic coatings...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060369
EISBN: 978-1-62708-261-7
..., and selective leaching. It discusses the use of corrosion inhibitors, cathodic and anodic protection, pH control, and Pourbaix diagrams. corrosion mitigation crevice corrosion pitting corrosion stray current corrosion Pourbaix diagrams THE WORD CORRODE is derived from the Latin corrodere , which...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940127
EISBN: 978-1-62708-302-7
... and current densities, polarization characteristics, and physical variables such as anode-to-cathode area ratios and fluid velocity. It also discusses the effect of corrosion inhibitors, galvanic coupling, and external currents, making extensive use of polarization curves. chemical kinetics corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030165
EISBN: 978-1-62708-282-2
... that it becomes the cathode (cathodic protection). This chapter briefly reviews these methods of corrosion protection. The factors affecting corrosion behavior are covered. In addition, the chapter provides information on coatings and inhibitors, which are used in corrosion protection. corrosion protection...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030247
EISBN: 978-1-62708-282-2
... as encountered in applications involving oil and gas exploration and production. This is followed by a section reviewing the methods of corrosion control, namely the proper selection of materials, protective coatings, cathodic protection systems, use of inhibitors, use of nonmetallic materials, and control...
Image
Published: 01 July 2000
Fig. 7.35 Effect of NaNO 2 concentration as an inhibitor for the corrosion of low carbon steel in water. Exposure was two months at room temperature. More
Image
Published: 01 December 2015
Fig. 14 Corrosion rate during inhibitor injection on/off cycle in a sour gas pipeline. Note: Measured corrosion rate with default B value and measured B value from harmonic distortion analysis. Source: Ref 60 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910001
EISBN: 978-1-62708-250-1
... of the corroded metal. It discusses five primary methods of corrosion control, namely, material selection, coatings, inhibitors, cathodic protection, and design. Examples of the opportunities in corrosion control and the means to implement a program to capitalize on those opportunities are presented in a table...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240323
EISBN: 978-1-62708-251-8
... in the direction of flow. Erosion-corrosion can be prevented, or reduced, through improved design, such as increasing the diameter and using streamlined bends in pipes, by altering the environment by deaeration or the addition of inhibitors, and by using hard and tough protective coatings. 18.2.6 Cavitation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610501
EISBN: 978-1-62708-303-4
... through steel will corrode rapidly in an electrolyte. Similarly, copper rivets in steel plate may be satisfactory, but steel rivets through copper plate will corrode rapidly in an electrolyte. In a closed system, it may be possible to use corrosion inhibitors in the electrolyte. This is the principle...
Image
Published: 01 December 2015
Fig. 2 Real-time monitoring of chemical injection in a cooling-water system with online corrosion rate and pitting tendencies (localization index). October 10—Chemical treatment program transition: Inhibitor was turned off, acid addition was stopped, blowdown was increased, and dispersant More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030039
EISBN: 978-1-62708-282-2
... of inhibitors, and potential control methods. crevice corrosion stainless steel nickel alloys aluminum alloys titanium alloys corrosion control methods corrosion inhibitors corrosion resistance CREVICE CORROSION, corrosion in occluded regions, is one of the most damaging forms of material...
Image
Published: 01 January 2000
Fig. 30 Effect of an anodic inhibitor and a mixed inhibitor on the anodic and cathodic polarization curves and corrosion rate of iron in sulfuric acid. Dashed lines, before addition of inhibitor; solid lines, after addition of inhibitor More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030292
EISBN: 978-1-62708-282-2
... 2 ). For example, process temperatures can be decreased, hydrocarbon streams dried up, or additives such as inhibitors or neutralizers injected in order to reduce potential corrosion problems with carbon steel ( Ref 3 ). In refineries, fractionation towers, separator drums, heat-exchanger shells...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870191
EISBN: 978-1-62708-299-0
... and is drawn between the sheets by capillary action. Aluminum should not be stored at temperatures or under atmospheric conditions conducive to condensation. When such conditions cannot be avoided, the metal sheets or parts should be separated and coated with oil or suitable corrosion inhibitor. Once formed...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480331
EISBN: 978-1-62708-318-8
...) instead of the normal mm/yr (mils/yr). Two types of additions that reduce the corrosive effects in very dilute HF acid solutions are an oxidizing agent (e.g., HNO 3 ) and complexing metal-ion corrosion inhibitors. The complexing metal ion takes the detrimental F - ion out of the environment...
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Published: 01 December 2015
Fig. 1 Schematic showing that the influence microorganisms can have on corrosion ranges from sole causative agent to inhibitor. The most usual influence, however, is to change the mode of corrosion from general to localized and increase the rate of penetration. Source: Ref 6 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910497
EISBN: 978-1-62708-250-1
... in the absence of the corrosive environment. corrosion fatigue strength. The maximum repeated stress that can be endured by a metal without failure under definite conditions of cor- rosion and fatigue and for a specific number of stress cycles and a specified period of time. corrosion inhibitor. See inhibitor...