1-20 of 29 Search Results for

phosphoric acid fuel cells

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910193
EISBN: 978-1-62708-250-1
...+ Fungi Cladosporium resinae 3–7 10–45 (best at 30–35) … Aluminum alloys Produces organic acids in metabolizing certain fuel constituents Sulfate-Reducing Bacteria (SRB) Sulfate-reducing bacteria (SRB) are the organisms most often cited as the causative agents of MIC for several...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910363
EISBN: 978-1-62708-250-1
... /h) using 7.94 mm ( 5 16 in.) nozzle SP8 Pickling … Hydrochloric acid, sulfuric acid with inhibitors, or phosphoric acid with a final phosphate treatment A shop method of surface preparation for removal of rust and mill scale from structural shapes, beams, and plates where...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910237
EISBN: 978-1-62708-250-1
... austenitic cast irons, commonly referred to as Ni-Resists, contain large percentages of nickel (18 to 36%) and copper and are fairly resistant to concentrated sulfuric (H 2 SO 4 ) and phosphoric (H 3 PO 4 ) acids at slightly elevated temperatures, hydrochloric acid (HCl) at room temperature, and organic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.9781627082860
EISBN: 978-1-62708-286-0
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030338
EISBN: 978-1-62708-282-2
... aerobic bacteria consume the oxygen. An example is shown in Fig. 3 . In the case of underground pipelines, the most aggressive attack has been associated with acid-producing bacteria in such bacterial communities ( Ref 5 ). Fig. 3 Iron-related bacteria creating a differential oxygen and pH cell...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820043
EISBN: 978-1-62708-339-3
... of high-alloy steels that exhibit a high degree of resistance to chloride SCC, pitting, and crevice corrosion are 904L (N08904), JS700 (N08700), Sanicro 28 (N08028), and 20Mo-4 (N08024). Such alloys are used in production of phosphoric acids (Sanicro 28 was specifically developed for phosphoric acid...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870191
EISBN: 978-1-62708-299-0
... frequently or for special purposes, use sulfuric-oxalic, phosphoric, oxalic, boric, sulfosalicylic, or sulfophthalic acid solutions. Except for those produced by hard anodizing processes, most anodic coatings range in thickness from 5 to 18 μm (0.2 to 0.7 mil); hardcoat anodized coatings are normally about...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230105
EISBN: 978-1-62708-351-5
... (<0.5 vol%), but process control must be rigorous. Where the furnace atmosphere is derived from burnt fuel gas, care should be taken to ensure that the source hydrocarbon is free of sulfur. Nickel alloys are embrittled by even small quantities of sulfur, stemming from the formation of nickel sulfide...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240547
EISBN: 978-1-62708-251-8
..., and to localized attack such as pitting and crevice corrosion. The alloy is especially resistant to sulfuric and phosphoric acids. It is used for chemical processing, pollution control equipment, oil and gas well piping, nuclear fuel reprocessing, acid production, and pickling equipment. 29.3.2 Specialty Nickel...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350125
EISBN: 978-1-62708-315-7
... of service. Special enamel compositions are available to resist most acids, except for hydrofluoric or concentrated phosphorics, to temperatures of 230 °C (450 °F). These compositions also resist alkali concentration to pH 12 at 93 °C (200 °F). Applications in which porcelain enamels are used...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030247
EISBN: 978-1-62708-282-2
... oil and gas transportation oil and gas refinery oil and gas exploration materials selection protective coatings cathodic protection systems corrosion inhibitors nonmetallic materials THE PRODUCTION of oil and gas, its transportation and refining, and its subsequent use as fuel and raw...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030215
EISBN: 978-1-62708-282-2
... Fe 3+ ) Boiling Chromic acid 10 Boiling Oxalic acid 10 (plus Fe 3+ ) Boiling Phosphoric acid 60–85 Boiling Hydrofluoric acid 2 (plus Fe 3+ ) 77 (170) Ferric chloride 5 Boiling 25 Room Acetic acid/anhydride mixture Unknown 100–110 (212–230) Maleic anhydride...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820143
EISBN: 978-1-62708-339-3
... Behavior of Aluminum Alloy Weldments Galvanic Effects The resistance to corrosion of weldments in aluminum alloys is affected by the alloy being welded and by the filler alloy and welding process used. Galvanic cells that cause corrosion can be created because of corrosion potential differences...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820177
EISBN: 978-1-62708-339-3
.... These operations should be followed by acid pickling and water rinsing. Acid pickling will remove any traces of zinc that may have been smeared into the stainless steel surface by mechanical cleaning operations. Suitable acid pickling solutions include 5 to 10% nitric acid, phosphoric acid, or weak sulfuric acid...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060429
EISBN: 978-1-62708-261-7
... Glossary A hardened by cooling in air in fairly large sec- tions, about 50 mm (2 in.) or more in diame- acid. A chemical substance that yields hydrogen ter. Same as self-hardening steel. ions (H+) when dissolved in water. Compare alclad. Composite wrought product comprised with base. (2) A term applied...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.9781627082617
EISBN: 978-1-62708-261-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.9781627082976
EISBN: 978-1-62708-297-6
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2023
DOI: 10.31399/asm.tb.ceeg.t59370021
EISBN: 978-1-62708-447-5
..., good control of the amount of return sand delivered for each cycle is important. Dosing controls the amount of return sand that is delivered into the muller; this is achieved in one of two ways: Varying the speed of the feed belt Dosing the hopper with a load cell for weight control 3.1.1...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230401
EISBN: 978-1-62708-298-3
... be chemically etched with a 5% solution of hydrofluoric acid and deionized water. A slight tendency for pitting may occur. An alternative cleaning solution that has a lesser tendency for pitting is a solution of 70% phosphoric acid, 25% sulfuric acid, and 25% nitric acid. Care must be taken that the filler wire...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 September 2023
DOI: 10.31399/asm.tb.stmflw.t59390325
EISBN: 978-1-62708-459-8
... develops near the edges, and the hydrostatic zone is limited to the center. It has also been observed that boundary additives such as stearic acid play no role in the first few strokes, but a subsequently developed stearate and aluminum stearate transfer film develops in plane-strain compression...