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Biocide treatment

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Published: 15 January 2021
Fig. 9 Friction factors for flow through test lines under biocide treatment in an oilfield produced-water system indicate the extent of biofouling. In this case, biocide A loses control of microbial fouling after 60 days relative to biocide B. More
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Published: 01 January 2002
Fig. 8 Friction factors for flow through instrumented sidestreams under biocide treatment in an oilfield-produced water system can indicate biofouling. In this case, biocide “A” loses control of microbial fouling after 80 days, relative to biocide “B,” in a comparison carried out in a field More
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001273
EISBN: 978-1-62708-215-0
... steel is not a suitable material for this application, and materials that resist SCC, such as Inconel, should be considered. Biocide treatment Water chemistry 304 UNS S30400 Stress-corrosion cracking Background Four hanger rods removed from a cooling tower at a southeastern utility...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003556
EISBN: 978-1-62708-180-1
... controlled by targeted biocide addition ( Ref 48 ). This problem of conflicting effects by different additives is a common issue in the design of cost-effective chemical treatment programs. As environmental concerns push treatment chemical suppliers to less toxic, biodegradable materials (see Ref 49...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006788
EISBN: 978-1-62708-295-2
... pipelines, pulp and paper mills, and so on but not in steam systems where temperatures are high. Fig. 9 Friction factors for flow through test lines under biocide treatment in an oilfield produced-water system indicate the extent of biofouling. In this case, biocide A loses control of microbial...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001064
EISBN: 978-1-62708-214-3
... for an extended period, until the process plant comes “on stream.” In the case of mild steel pipework, hydrotest/storage waters are commonly treated with acorrosion-preventative hydrotest package that contains an oxygen scavenger, a biocide, and, frequently, a corrosion inhibitor. Such treatments...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001683
EISBN: 978-1-62708-234-1
... that it is desirable to know what bacteria and fungi are present before specifying the biocides for use in cleaning up the problem. Iron and manganese oxidizers are definitely present. However, sulfate reducers are also in the water stream and any treatment of the oxidizers must take account of chemical changes which...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006939
EISBN: 978-1-62708-395-9
... converts the linear molecules of PAN-based precursor to a cyclic structure ( Ref 21 – 23 ). After this treatment, the fibers are graphitized at 2000 °C (3630 °F) under an inert atmosphere. During the graphitization process, dehydrogenation and denitrogenating take place. In addition, a change in molecular...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001648
EISBN: 978-1-62708-234-1
...) shown seated at flanged end of section of pump housing The operating environment for the pump shaft was fresh water. The water was untreated, with the exception of a biocide used to control freshwater mussels and inhibit fouling of the water delivery and distribution system. The active ingredient...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001769
EISBN: 978-1-62708-241-9
... on biomineralization in scale formation of heat exchanger tubes. As the identification of calcium precipitating bacteria (CPB) in heat exchangers of cooling water system appears lacking, this study would be useful for the selection of suitable biocides/inhibitors in the control of CPB on scale in cooling water system...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003549
EISBN: 978-1-62708-180-1
... in the environment; change in the alloy or heat treatment; change in design; use of galvanic protection; use of inhibitors; use of nonmetallic coatings and liners; application of metallic coatings; use of surface treatments, thermal spray, or other surface modifications; corrosion monitoring; and preventive...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006782
EISBN: 978-1-62708-295-2
... ) for the treatment of data that appear inconsistent with the bulk of the findings. Environmental- and Corrosion-Related Failure Analysis Examples of Environmental and Corrosion Failures Example 1: Failure of a SiF<sub>4</sub> Transport Hose. A polytetrafluoroethylene (PTFE) hose reinforced with a dual...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006813
EISBN: 978-1-62708-329-4
..., surface treatment, electrochemical protection, and so on Maintaining clean heat-exchanger surfaces and fluids Causes of Failures in Heat Exchangers Adverse impacts during manufacturing and operation ultimately lead to heat-exchanger failures. A number of examples and case studies are presented...