US20100294472A1 - 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 system Download PDFInfo
- Publication number
- US20100294472A1 US20100294472A1 US12/739,593 US73959308A US2010294472A1 US 20100294472 A1 US20100294472 A1 US 20100294472A1 US 73959308 A US73959308 A US 73959308A US 2010294472 A1 US2010294472 A1 US 2010294472A1
- Authority
- US
- United States
- Prior art keywords
- max
- phosphoric acid
- stainless steel
- duplex stainless
- heat exchanger
- 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.)
- Abandoned
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims abstract description 129
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims abstract description 56
- 229910001039 duplex stainless steel Inorganic materials 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 28
- 239000000203 mixture Substances 0.000 claims abstract description 24
- 239000012535 impurity Substances 0.000 claims abstract description 20
- 101100129500 Caenorhabditis elegans max-2 gene Proteins 0.000 claims abstract description 8
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000003337 fertilizer Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 23
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 description 43
- 235000011007 phosphoric acid Nutrition 0.000 description 42
- 230000007797 corrosion Effects 0.000 description 39
- 238000012360 testing method Methods 0.000 description 18
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 11
- 239000002253 acid Substances 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 8
- 239000000956 alloy Substances 0.000 description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000002367 phosphate rock Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- 238000005275 alloying Methods 0.000 description 3
- 229910001566 austenite Inorganic materials 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000012085 test solution Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 2
- -1 Fe3+ Chemical class 0.000 description 1
- NPUVYHNDWLTMSW-UHFFFAOYSA-N OS(O)(=O)=O.OS(O)(=O)=O.OS(O)(=O)=O.[AsH3].[AsH3] Chemical compound OS(O)(=O)=O.OS(O)(=O)=O.OS(O)(=O)=O.[AsH3].[AsH3] NPUVYHNDWLTMSW-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 239000001175 calcium sulphate Substances 0.000 description 1
- 235000011132 calcium sulphate Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229910000856 hastalloy Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 229910000391 tricalcium phosphate Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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 Articles (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0702392A SE531593C2 (sv) | 2007-10-26 | 2007-10-26 | Värmeväxlare för fosforsyramiljö |
| SE0702392-2 | 2007-10-26 | ||
| PCT/SE2008/051204 WO2009054799A1 (fr) | 2007-10-26 | 2008-10-24 | Utilisation d'un acier inoxydable duplex dans un système de production d'acide phosphorique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US20100294472A1 true US20100294472A1 (en) | 2010-11-25 |
Family
ID=40579783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US12/739,593 Abandoned US20100294472A1 (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 (fr) |
| EP (1) | EP2215421A4 (fr) |
| SE (1) | SE531593C2 (fr) |
| WO (1) | WO2009054799A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120251407A1 (en) * | 2011-03-31 | 2012-10-04 | Nova Chemicals (International) S.A. | 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 |
| 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 |
| US20060191605A1 (en) * | 2003-06-30 | 2006-08-31 | Kazuhiro Ogawa | Duplex stainless steel |
| US7396421B2 (en) * | 2003-08-07 | 2008-07-08 | Sumitomo Metal Industries, Ltd. | Duplex stainless steel and manufacturing method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU296446A1 (ru) * | 1966-08-04 | 1972-01-07 | Центральный научно исследовательский институт черной металлургии | Нержавеющая сталь |
| JPH03146641A (ja) * | 1989-11-01 | 1991-06-21 | Taiheiyo Tokushu Chuzo Kk | 湿式りん酸製造装置用二相ステンレス鋳鋼 |
| AT397515B (de) * | 1990-05-03 | 1994-04-25 | Boehler Edelstahl | Hochfeste korrosionsbeständige duplex-legierung |
-
2007
- 2007-10-26 SE SE0702392A patent/SE531593C2/sv not_active IP Right Cessation
-
2008
- 2008-10-24 EP EP08841210A patent/EP2215421A4/fr not_active Withdrawn
- 2008-10-24 WO PCT/SE2008/051204 patent/WO2009054799A1/fr active Application Filing
- 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 |
| 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 |
| US20060191605A1 (en) * | 2003-06-30 | 2006-08-31 | Kazuhiro Ogawa | Duplex stainless steel |
| US7396421B2 (en) * | 2003-08-07 | 2008-07-08 | Sumitomo Metal Industries, Ltd. | Duplex stainless steel and manufacturing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| English-hand translation of Japanese patent No. 09209087, "Two-Phase Stainless Steel", Kayo Shiraishi et al., August 12, 1997l * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120251407A1 (en) * | 2011-03-31 | 2012-10-04 | Nova Chemicals (International) S.A. | Furnace coil fins |
| US9132409B2 (en) * | 2011-03-31 | 2015-09-15 | Nova Chemicals (International) S.A. | Furnace coil fins |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2215421A4 (fr) | 2010-10-06 |
| EP2215421A1 (fr) | 2010-08-11 |
| SE0702392L (sv) | 2009-04-27 |
| WO2009054799A1 (fr) | 2009-04-30 |
| SE531593C2 (sv) | 2009-06-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AS | Assignment |
Owner name: SANDVIK INTELLECTUAL PROPERTY AB, SWEDEN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:RONNETEG, SABINA;TERSMEDEN, KNUT;NYSTROM, ANNA-LENA;SIGNING DATES FROM 20100524 TO 20100527;REEL/FRAME:024666/0365 |
|
| STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |