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Water treatment

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430379
EISBN: 978-1-62708-253-2
... and describes the effect 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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430343
EISBN: 978-1-62708-253-2
...Abstract Abstract This chapter examines boiler tube failures attributed to operation-related causes. It discusses failures due to rapid start-ups, excessive load swing, excessive heat inputs, poor water chemistry control, and water-treatment methods. boiler tubes operation-related...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410151
EISBN: 978-1-62708-280-8
.... It provides information on some of the processes involved in post-casting operations, namely de-coring and de-gating. The key design aspects for consideration in water quenching during the T6 heat treatment are reviewed. The chapter also provides information on two critical cycle events important...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430147
EISBN: 978-1-62708-253-2
... problems Rapid start-ups Excessive load swing Excessive heat inputs Failures due to poor water chemistry control Water-treatment-related failures Conventional treatment All volatile treatment (AVT) Lack of quality control or improper quality control: Failures attributed...
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 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430204
EISBN: 978-1-62708-253-2
... of the magnetite layer is that, once formed, it protects the tube from subsequent corrosion. In other words, it acts as a passive layer and therefore is desired for longer life of the tube. Treatment of boiler feedwater (BFW) with water treatment chemicals such as hydrazine helps to promote the formation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780001
EISBN: 978-1-62708-268-6
... targeting system could not meet its accuracy requirements. All of the parts in this system conformed to their engineering requirements. No parts failed, but the system did not meet its requirements. A large municipal water treatment system designed to remove arsenic from public drinking water lowered...
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 inhibitors is favored in closed systems where the necessary concentration of inhibitor is more readily maintained. The increased use of cooling towers stimulated the development of new inhibitor/ water-treatment packages to control corrosion and biofouling. Inhibitors can be incorporated in a protective...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030045
EISBN: 978-1-62708-282-2
... with decaying organic matter and a source of SRB Water treatment Heat exchangers and piping Sewage handling and treatment Concrete and reinforced-concrete structures Highway maintenance Culvert piping Buildings and stoneworks Ancient and modern limestones, marbles, sandstones, granites...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030209
EISBN: 978-1-62708-282-2
... to corrosion and effectively treated with process additives. Discussion of a few of the processes helps in the understanding of corrosion inhibitors that are used in a typical refinery environment. Corrosion inhibitors are also applied in numerous water treatment processes within a refinery, such as in cooling...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030089
EISBN: 978-1-62708-282-2
..., it is a factor in acidic environments but less so in neutral or alkaline conditions. On this basis, it is proposed that water treatments ensuring alkaline conditions should be less likely to induce HAZ corrosion, but even at a pH near 8, hydrogen ion (H + ) reduction can account for approximately 20...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910363
EISBN: 978-1-62708-250-1
... treatment to control MIC is an option, but it is not straightforward. The treatment must be done with care and be compatible with the materials of the system, other water-treatment chemicals, and the surrounding environment. Biocides are chemicals that kill or control microorganisms. A list of biocides used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230493
EISBN: 978-1-62708-298-3
... with lime and sent to final water treatment prior to discharge. Fig. 27.4 McCabe-Thiele diagram for diethyl hexyl phosphoric acid and 1 g/L of beryllium at pH 1.0. Concentration of Be is in aqueous solution on x -axis and in organic solution on y -axis. Source: Emly 1994 A typical...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140175
EISBN: 978-1-62708-335-5
.... Specimen: 1.125 diam × 12 in. rod. Treatment: 12 h at 960 °F, boiling water quench Fig. D2.4 Growth and hardness curves for aluminum alloy 295.0-F, permanent mold. Specimen: 1.125 diam × 12 in. rod Fig. D2.5 Growth curves for aluminum alloy 295.0-T4, permanent mold. Specimen: 1.125 diam...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870191
EISBN: 978-1-62708-299-0
... – 30 Water Staining Mechanical Damage Types of Cleaning General Recommendations Applications Types of Chromate Treatments Specifications Organic-Based Coatings Rare Earth Metals Manganese-Base Treatments for Aluminum and Aluminum Alloys Trivalent Cobalt Corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910193
EISBN: 978-1-62708-250-1
... systems; oil and gas handling systems, particularly in those environments soured by sulfate reducing bacteria (SRB), from produced sulfides Underground pipeline industry Water-saturated clay-type soils of near-neutral pH with decaying organic matter and a source of SRB Water treatment industry...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030200
EISBN: 978-1-62708-282-2
.... , Applied Water Technology , Campbell Petroleum Series , 1986 46. Case L.C. , Oxygen Traces May Be Corroding Your Waterflood Piping , Oil Gas J. , Vol 62 , Jan 1964 47. Carlberg B.L. , “ Vacuum Deaeration—A New Unit Operation for Waterflood Treatment Plants ,” Paper 6096...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120055
EISBN: 978-1-62708-269-3
... water quenched after holding for time indicated. (c) As determined by Leitz-Wetzler dilatometer. (d) Calculated from curve. (e) Specimen taken in transverse direction Selected stress-relief heat treatments for titanium and titanium alloys Table 8.3 Selected stress-relief heat...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140193
EISBN: 978-1-62708-335-5
... of stabilized hysteresis loops. The curves given indicate the occurrence of cyclic hardening. Fig. D3.1 201.0-T6 aluminum casting, tensile stress-strain curves, various casting processes Effect of casting process. Heat treatment: 2 h at 504–521 °C (940–970 °F), 14 h at 529 °C (985 °F), water quench, 24...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820203
EISBN: 978-1-62708-339-3
... of the existing equipment. Coupons often are used to monitor inhibitor programs in, for example, water treatment or refinery overhead streams. With retractable coupon holders, the coupons can be extracted from the process without having to shut down in order to determine the corrosion rate. Some forms...