EP2215421A4 - Use of a duplex stainless steel in a phosphoric acid production system - Google Patents
Use of a duplex stainless steel in a phosphoric acid production systemInfo
- Publication number
- EP2215421A4 EP2215421A4 EP08841210A EP08841210A EP2215421A4 EP 2215421 A4 EP2215421 A4 EP 2215421A4 EP 08841210 A EP08841210 A EP 08841210A EP 08841210 A EP08841210 A EP 08841210A EP 2215421 A4 EP2215421 A4 EP 2215421A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- stainless steel
- phosphoric acid
- production system
- acid production
- duplex stainless
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 title 1
- 229910001039 duplex stainless steel Inorganic materials 0.000 title 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/082—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys
- F28F21/083—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys from stainless steel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0702392A SE531593C2 (en) | 2007-10-26 | 2007-10-26 | Heat exchanger for phosphoric acid environment |
PCT/SE2008/051204 WO2009054799A1 (en) | 2007-10-26 | 2008-10-24 | Use of a duplex stainless steel in a phosphoric acid production system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2215421A1 EP2215421A1 (en) | 2010-08-11 |
EP2215421A4 true EP2215421A4 (en) | 2010-10-06 |
Family
ID=40579783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08841210A Withdrawn EP2215421A4 (en) | 2007-10-26 | 2008-10-24 | Use of a duplex stainless steel in a phosphoric acid production system |
Country Status (4)
Country | Link |
---|---|
US (1) | US20100294472A1 (en) |
EP (1) | EP2215421A4 (en) |
SE (1) | SE531593C2 (en) |
WO (1) | WO2009054799A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2746285C (en) * | 2011-03-31 | 2018-01-23 | Nova Chemicals Corporation | Furnace coil fins |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3338745A (en) * | 1963-07-03 | 1967-08-29 | Grace W R & Co | Method for cleaning evaporator tubes |
JPH03146641A (en) * | 1989-11-01 | 1991-06-21 | Taiheiyo Tokushu Chuzo Kk | Duplex stainless cast steel for manufacturing apparatus for wet type phosphoric acid |
EP0455625A1 (en) * | 1990-05-03 | 1991-11-06 | BÖHLER Edelstahl GmbH | High strength corrosion-resistant duplex alloy |
US20030086808A1 (en) * | 2001-09-02 | 2003-05-08 | Ann Sundstrom | Duplex stainless steel alloy |
US20030133823A1 (en) * | 2001-09-02 | 2003-07-17 | Ann Sundstrom | Use of a duplex stainless steel alloy |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU296446A1 (en) * | 1966-08-04 | 1972-01-07 | Центральный научно исследовательский институт черной металлургии | STAINLESS STEEL |
EP1645650A4 (en) * | 2003-06-30 | 2007-07-25 | Sumitomo Metal Ind | Duplex stainless steel |
US7396421B2 (en) * | 2003-08-07 | 2008-07-08 | Sumitomo Metal Industries, Ltd. | Duplex stainless steel and manufacturing method thereof |
-
2007
- 2007-10-26 SE SE0702392A patent/SE531593C2/en not_active IP Right Cessation
-
2008
- 2008-10-24 WO PCT/SE2008/051204 patent/WO2009054799A1/en active Application Filing
- 2008-10-24 EP EP08841210A patent/EP2215421A4/en not_active Withdrawn
- 2008-10-24 US US12/739,593 patent/US20100294472A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3338745A (en) * | 1963-07-03 | 1967-08-29 | Grace W R & Co | Method for cleaning evaporator tubes |
JPH03146641A (en) * | 1989-11-01 | 1991-06-21 | Taiheiyo Tokushu Chuzo Kk | Duplex stainless cast steel for manufacturing apparatus for wet type phosphoric acid |
EP0455625A1 (en) * | 1990-05-03 | 1991-11-06 | BÖHLER Edelstahl GmbH | High strength corrosion-resistant duplex alloy |
US20030086808A1 (en) * | 2001-09-02 | 2003-05-08 | Ann Sundstrom | Duplex stainless steel alloy |
US20030133823A1 (en) * | 2001-09-02 | 2003-07-17 | Ann Sundstrom | Use of a duplex stainless steel alloy |
Non-Patent Citations (2)
Title |
---|
AGARWAL, D.C.: "Duplex Stainless Steels, the cost effective Answer to Corrosion Problems of major Industries", KEY ENGINEERING MATERIALS, vol. 20-28, 1988, Trans Tech Publications, Switzerland, pages 1677 - 1692 * |
JAQUES CHARLES, BRUNO VINCENT: "Duplex stainless steels for chemical tankers", DUPLEX STAINLESS STEELS 97 - 5TH WORLD CONFERENCE, 1997, Retrieved from the Internet <URL:http://www.stainless-steel-world.net/pdf/D97_018.pdf> [retrieved on 20100830] * |
Also Published As
Publication number | Publication date |
---|---|
SE531593C2 (en) | 2009-06-02 |
WO2009054799A1 (en) | 2009-04-30 |
SE0702392L (en) | 2009-04-27 |
US20100294472A1 (en) | 2010-11-25 |
EP2215421A1 (en) | 2010-08-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IL253038B (en) | Digestive enzymes for use in manufacture of a disinfectant | |
EP2415871A4 (en) | Polyion complex of double-stranded ribonucleic acid | |
HK1137486A1 (en) | Microbiological production of 3-hydroxyisobutyric acid | |
EP2177634A4 (en) | Process for production of duplex stainless steel tubes | |
EP2280090A4 (en) | Ferritic stainless steel | |
EP2377088A4 (en) | Determination of implied orders in a trade matching system | |
PL2289960T3 (en) | Use of metallic salts of a carboxylic acid in the production of polyurethane systems | |
HK1165831A1 (en) | A process for the identification and preparation of a (r)-specific omega- transaminase (r)-- | |
EP2602351A4 (en) | Ferritic stainless steel | |
EP2195348A4 (en) | Production of hyaluronic acid | |
HK1169648A1 (en) | Novel acetylsalicylic acid salts | |
EP2519755A4 (en) | Face coupling | |
EP2438568A4 (en) | Inter-gallery trading system for artworks | |
IL218757A0 (en) | Preventing or reducing scale in wet-process phosphoric acid production | |
ZA200905851B (en) | Method for the production of acrylic acid | |
EP2473961A4 (en) | System for volume-weighted average price trading | |
AP2495A (en) | Use of gamma-aminobutyric acid as a depigmentationagent | |
EP2636664A4 (en) | Catalyst and production method for acrylic acid | |
PL2520731T3 (en) | Brick coupling system | |
EP2416700A4 (en) | Real-time microdialysis system | |
PL2138393T3 (en) | Modular floating system and a method of its manufacture | |
EP2644734A4 (en) | Nickel-free stainless steel stent | |
EP2478477A4 (en) | Online transaction system | |
EP2215421A4 (en) | Use of a duplex stainless steel in a phosphoric acid production system | |
EP2440415A4 (en) | Alignment of dies |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20100526 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL BA MK RS |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20100907 |
|
17Q | First examination report despatched |
Effective date: 20100920 |
|
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20160607 |