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Biocide treatment

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030045
EISBN: 978-1-62708-282-2
... nutrients for the microbes to use as food, and often, in shielding the organisms from the toxic effect of biocides. The slime film can influence corrosion by trapping or complexing heavy-metal ions near the surface. It can also act as a diffusion barrier for chemical species migrating to or from a metal...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050335
EISBN: 978-1-62708-311-9
... desired. This includes the quenchant speed, desired operating temperature range, and additives. Some biocide additives contain chlorine, which can combine with alkaline glycol to form cholorethyl. End users can also specify nitrate-or non-nitrate-based polymer quenchants to avoid the formation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030200
EISBN: 978-1-62708-282-2
... ) and sodium ferrocyanide, were used in early days to inhibit carbon dioxide (CO 2 ) corrosion in oil wells, but the treatment frequency and effectiveness were not satisfactory. This led to the development of many organic chemical formulations that frequently incorporated film-forming amines and their salts...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050025
EISBN: 978-1-62708-311-9
... of cooling need to be used, such as adding makeup water or using refrigerated coolers for supplemental cooling. The line water sources may need to have biocides added to prevent biological contamination, and filters may be needed to keep out solids such as leaves and wind-blown debris. In the wintertime...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390100
EISBN: 978-1-62708-459-8
... and should be easy to apply to the workpiece and/or die (and even to a hot die) in a controlled manner and should be readily removable. Disposal . Preferably, it should be possible to reclaim the lubricant and, after appropriate treatment, return it to the process. Otherwise, it should be possible...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910193
EISBN: 978-1-62708-250-1
... corrosion monitoring for the presence of MIC causing bacteria. Monitoring should include water and biofilm sampling to determine bacterial counts and biofilm development on surfaces. Providing periodic cleaning to ensure unimpeded fluid flow and to prevent crevice corrosion Applying biocide treatments...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910363
EISBN: 978-1-62708-250-1
.... The purpose of the organic coating and lining is to promote, enhance, and maintain a passive or protective layer on the reactive metal substrate. A coating system often is composed of multiple layers or multiple components within layers. The system can comprise a metal surface treatment, for example...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430379
EISBN: 978-1-62708-253-2
... of impurities and feedwater parameters on high-pressure boiler components. It discusses deposition and scaling, types of corrosion, and carryover, a condition that occurs when steam becomes contaminated with droplets of boiler water. The chapter also covers water treatment procedures, including filtration...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030247
EISBN: 978-1-62708-282-2
... the production tubing, the sulfanes dissociate and elemental sulfur precipitates. Production environments with H 2 S and sulfur have been found to be more severe from the corrosion and EAC standpoint than environments with H 2 S alone. Various solvent treatments are used to avoid plugging by such sulfur...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940271
EISBN: 978-1-62708-302-7
... and cause corrosion problems. The long-time high-temperature heat treatments required to make castings uniform in composition are usually not feasible in industrial practice. Therefore, if a corrosion problem exists for a given alloy, the solution to the corrosion problem may require a change in alloy...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050293
EISBN: 978-1-62708-311-9
... of the cooling water systems must be maintained. If the cooling systems are closed systems, such as deionized systems with automatic control of the water resistivity, a neutral pH of 7 together with recommended biocide levels should be maintained. General operating specifications are discussed in Chapter 3...
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
... in conjunction with the use of biocides. Molybdates are typically combined with other inhibitors for optimal treatment. An oxidizing agent such as oxygen is required to form a protective film. Molybdates are generally most effective in the range of 5.5 to 8.5 pH. Phosphates also require the presence...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.9781627083027
EISBN: 978-1-62708-302-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.9781627082532
EISBN: 978-1-62708-253-2
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910099
EISBN: 978-1-62708-250-1
... by the following: Regular cleaning to remove deposits Design changes. Deposition caused by settling of suspended particulate may be reduced by increasing flow. Dead legs, stagnant areas, and other low-flow regions should be eliminated if possible. Water treatments, such as removing suspended solids...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310027
EISBN: 978-1-62708-286-0
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.9781627082860
EISBN: 978-1-62708-286-0
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290035
EISBN: 978-1-62708-319-5
... for easier jetting and may also require humectants or biocides to improve long-term stability. For die compaction, usually a lubricant phase is present (stearates are common). For die compaction, powder-binder mixtures are loaded into rigid tooling and pressed from the top and bottom. The compacted...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390456
EISBN: 978-1-62708-459-8
..., this aspect becomes very important in grinding. A further complication, ignored in the above treatment, is spread of the material, resulting in the formation of a collar. This collar increases the effective depth...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390173
EISBN: 978-1-62708-459-8
... will be on flat rolling, and builds upon material presented in introductory treatments [ 1 , 2 ] or more advanced sources [ 3 , 4 ]. 8.1 The Rolling Process All flat products are made in a fairly standard sequence of operations: The starting material is an individually or continuously cast slab...