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fouling organisms

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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
...-ground facilities or submerged structures that receive sunlight. For closed systems and buried facilities, microbial metabolism is based on energy derived from oxidation reduction (redox) reactions. Under aerobic conditions, reduction of oxygen to water complements the metabolic oxidation of organic...
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
... of the material. The following key criteria should be considered when choosing an additive package ( Ref 3 ): Additives should have good miscibility with the polymer or prepolymer. Additives should be efficient and cost-effective in their function. Additives should be nontoxic, with no foul odor...
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
... in oral cavity were due to bacterial activity [ 9 ]. Besides, calcium accumulation was also noticed in hot spring [ 10 ]. Mixed fouling of microorganism and other minerals existing in various water systems take place when the water flows through equipment and pipes. It decreases the performance...
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
... in the examination that the fracture involved hydrogen stress cracking. However, the nature of the corrosive attack suggested an interaction between the threaded coupling and biological organisms living in the freshwater environment of the pump shaft. The organisms had colonized on the coupling, changing the local...
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
... microorganisms can be involved in corrosion scenarios. This is a rapidly evolving area. The introduction of new, cost-effective methods for the analysis of trace genetic material in the form of DNA and RNA molecules extracted from field samples made it possible, in principle, to identify all the organisms...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001816
EISBN: 978-1-62708-180-1
..., and fouling, and fabrication defects, which include most incidents of poor workmanship, improper material, and defective material, together account for more than 75% of all failures of steam-power-plant equipment. Most steam-generator failures occur in pressurized components, that is, the tubing, piping...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006825
EISBN: 978-1-62708-329-4
..., manufacturing and materials defects, and so on. The incidents of overheating, corrosion, and fouling account for more than 75% of all failures of steam power plant equipment. The first step during investigation of the root-cause of failure of boiler tubes is to correctly identify the active damage mechanism...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006812
EISBN: 978-1-62708-329-4
... information such as material properties, mandatory rules, technical basis, and additional information. Figure 2 provides a flowchart with the organization of the current editions of API STD 579-1/ASME FFS-1. Based on the information provided by the FFSJC, the fourth edition is expected to be released...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003555
EISBN: 978-1-62708-180-1
... to 140 ppm HCl ( Ref 38 ). Municipal wastes were characterized as having a 0.5% halide dry content, of which 60% was derived from organic, polymer sources ( Ref 39 ). Chloride salts have melting temperatures as low as 175 °C (350 °F), which can act as a fluxing agent that dissolves protective oxide films...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006834
EISBN: 978-1-62708-329-4
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001810
EISBN: 978-1-62708-180-1
... of rotating ring Fouling or rubbing on housing or shoulder during operation Fractured flange on ring of roller bearing Mounting pressure unevenly distributed around flange; hammer blows during mounting Crack or fracture at root of cage tongues or across cage pocket In bearings generally: insufficient...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006787
EISBN: 978-1-62708-295-2
... to 140 ppm HCl ( Ref 29 ). Municipal wastes are characterized as having a 0.5% halide dry content, of which 60% is derived from organic polymer sources ( Ref 30 ). Chloride salts have melting temperatures as low as 175 °C (350 °F), which can serve as a fluxing agent that dissolves protective oxide films...