FI97627B - Komposition och förfarande för inhibering av korrosion - Google Patents
Komposition och förfarande för inhibering av korrosion Download PDFInfo
- Publication number
- FI97627B FI97627B FI931612A FI931612A FI97627B FI 97627 B FI97627 B FI 97627B FI 931612 A FI931612 A FI 931612A FI 931612 A FI931612 A FI 931612A FI 97627 B FI97627 B FI 97627B
- Authority
- FI
- Finland
- Prior art keywords
- salts
- oxygen
- composition
- salt
- sodium
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000000203 mixture Substances 0.000 title claims abstract description 20
- 230000007797 corrosion Effects 0.000 title claims description 13
- 238000005260 corrosion Methods 0.000 title claims description 13
- 230000002401 inhibitory effect Effects 0.000 title 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000001301 oxygen Substances 0.000 claims abstract description 33
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 33
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 claims abstract description 27
- 150000003839 salts Chemical class 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229940123973 Oxygen scavenger Drugs 0.000 claims abstract description 16
- -1 alkali metal salts Chemical class 0.000 claims description 26
- 229910052783 alkali metal Inorganic materials 0.000 claims description 12
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 229910021645 metal ion Inorganic materials 0.000 claims description 7
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 239000011734 sodium Substances 0.000 claims description 6
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- OFCZUBZXJNUXBT-PSRPMNHMSA-M sodium;(3s,4r,5r)-3,4,5,6-tetrahydroxy-2-oxohexanoate Chemical group [Na+].OC[C@@H](O)[C@@H](O)[C@H](O)C(=O)C([O-])=O OFCZUBZXJNUXBT-PSRPMNHMSA-M 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 125000005907 alkyl ester group Chemical group 0.000 claims description 4
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 150000003946 cyclohexylamines Chemical class 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- MZVQCMJNVPIDEA-UHFFFAOYSA-N [CH2]CN(CC)CC Chemical group [CH2]CN(CC)CC MZVQCMJNVPIDEA-UHFFFAOYSA-N 0.000 claims description 2
- 239000012736 aqueous medium Substances 0.000 claims description 2
- 159000000000 sodium salts Chemical group 0.000 claims description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims 2
- OFCZUBZXJNUXBT-UHFFFAOYSA-M sodium;3,4,5,6-tetrahydroxy-2-oxohexanoate Chemical group [Na+].OCC(O)C(O)C(O)C(=O)C([O-])=O OFCZUBZXJNUXBT-UHFFFAOYSA-M 0.000 claims 2
- VBUYCZFBVCCYFD-JJYYJPOSSA-M 2-dehydro-D-gluconate Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)C(=O)C([O-])=O VBUYCZFBVCCYFD-JJYYJPOSSA-M 0.000 claims 1
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- 239000012267 brine Substances 0.000 abstract 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 abstract 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- RGHNJXZEOKUKBD-KKQCNMDGSA-N D-gulonic acid Chemical class OC[C@@H](O)[C@H](O)[C@@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-KKQCNMDGSA-N 0.000 description 8
- 239000007864 aqueous solution Substances 0.000 description 7
- VBUYCZFBVCCYFD-JJYYJPOSSA-N 2-dehydro-D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)C(=O)C(O)=O VBUYCZFBVCCYFD-JJYYJPOSSA-N 0.000 description 6
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 230000003635 deoxygenating effect Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 159000000001 potassium salts Chemical class 0.000 description 4
- BFSVOASYOCHEOV-UHFFFAOYSA-N 2-diethylaminoethanol Chemical compound CCN(CC)CCO BFSVOASYOCHEOV-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 235000010350 erythorbic acid Nutrition 0.000 description 3
- 230000003472 neutralizing effect Effects 0.000 description 3
- CIWBSHSKHKDKBQ-DUZGATOHSA-N D-araboascorbic acid Natural products OC[C@@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-DUZGATOHSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- RGHNJXZEOKUKBD-UHFFFAOYSA-N Isohexonic acid Chemical class OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 235000010323 ascorbic acid Nutrition 0.000 description 2
- 239000011668 ascorbic acid Substances 0.000 description 2
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 description 2
- 239000004318 erythorbic acid Substances 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 229940026239 isoascorbic acid Drugs 0.000 description 2
- 150000004702 methyl esters Chemical class 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 230000002000 scavenging effect Effects 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- CDAWCLOXVUBKRW-UHFFFAOYSA-N 2-aminophenol Chemical class NC1=CC=CC=C1O CDAWCLOXVUBKRW-UHFFFAOYSA-N 0.000 description 1
- FAXDZWQIWUSWJH-UHFFFAOYSA-N 3-methoxypropan-1-amine Chemical compound COCCCN FAXDZWQIWUSWJH-UHFFFAOYSA-N 0.000 description 1
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 229940072107 ascorbate Drugs 0.000 description 1
- 229960005070 ascorbic acid Drugs 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 1
- 229910000335 cobalt(II) sulfate Inorganic materials 0.000 description 1
- 229910000336 copper(I) sulfate Inorganic materials 0.000 description 1
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 229910000366 copper(II) sulfate Inorganic materials 0.000 description 1
- WIVXEZIMDUGYRW-UHFFFAOYSA-L copper(i) sulfate Chemical compound [Cu+].[Cu+].[O-]S([O-])(=O)=O WIVXEZIMDUGYRW-UHFFFAOYSA-L 0.000 description 1
- 229940026231 erythorbate Drugs 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 1
- 229910000357 manganese(II) sulfate Inorganic materials 0.000 description 1
- KPHIBLNUVRGOGU-WDCZJNDASA-N methyl (3s,4r,5r)-3,4,5,6-tetrahydroxy-2-oxohexanoate Chemical compound COC(=O)C(=O)[C@@H](O)[C@H](O)[C@H](O)CO KPHIBLNUVRGOGU-WDCZJNDASA-N 0.000 description 1
- 150000002780 morpholines Chemical class 0.000 description 1
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 1
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
- C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
- C23F11/12—Oxygen-containing compounds
- C23F11/124—Carboxylic acids
- C23F11/126—Aliphatic acids
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
- C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Removal Of Specific Substances (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Gas Separation By Absorption (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Telephonic Communication Services (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Claims (11)
1. Komposition för inhibering av korrosion som be-ror pä närvaron av syre i vattenhaltiga system, k ä n - 5 netecknad därav, att vattenhaltiga systemet har en temperatur frän ca. 65 eC tili ca. 175 °C ooh kom-positionen omfattar en desoxiderande, effektiv mängd av ett desoxidationsmedel, vilket valts bland alkalime-tallsalter och aminsalter av keto-glukonsyra, alkalime-10 tallsalter och aminsalter av stereoisomerer därav, och C^-alkylestrar av salterna av nämnda keto-glukonsyra och av stereoisomerer därav, varvid kompositionen även har ett pH överstigande 7.
2. Komposition enligt patentkravet 1, k ä n n e -15 tecknad därav, att det vattenhaltiga systemet är matarvattnet tili en boiler.
3. Komposition enligt patentkravet 1, k ä n netecknad därav, att den ytterligare omfattar en tillsatt metalljon, vilken valts bland koppar, järn, ko- 20 bolt, nickel och mangan, jämte kombinationer av dessa.
4. Komposition enligt patentkravet 1, k ä n netecknad därav, att saltet av keto-glukonsyra är natrium-2-ketoglukonat.
• 5. Komposition enligt patentkravet 1, k ä n n e - 25 tecknad därav, att saltet av stereoisomeren är nat- • · « rium-2-ketogulonat.
• · ...# 6. Förfarande för inhibering av korrosion som beror • « *..! pa närvaron av syre i ett vattenhaltigt system, varvid det • · · • · · * vattenhaltiga systemet befinner sig vid ett pH fran ca. 8 30 tili ca. 11 och vid en temperatur frän ca. 65 °C tili ca. 175 eC, kännetecknat därav, att i det vatten- • · · ·.* · haltiga systemet tillsätts en desoxiderande effektiv mängd av ett desoxidationsmedel, vilket valts bland alkalime-tallsalter och aminsalter av keto-glukonsyra, alkalime-35 tallsalter och aminsalter av stereoisomerer därav, och II 97627 C1.4-alkylestrar av salterna av keto-glukonsyran, och av stereoisomerer därav.
7. Förfarande enligt patentkravet 6, känne-t e c k n a t därav, att det vattenhaltiga systemet är 5 matarvattnet tili en boiler.
8. Förfarande enligt patentkravet 6, känne-t e c k n a t därav, att alkalimetallsaltet är natrium-saltet och att aminsaltet valts bland morfolin-, trieta-nolamin-, dietylaminoetyl- och cyklohexylaminsalter. 10
9. Förfarande enligt patentkravet 6, känne- t e c k n a t därav, att det ytterligare omfattar till-sättning av en lämplig metall, vilken valts bland koppar, järn, kobolt, nickel och mangan samt kombinationer därav.
10. Förfarande enligt patentkravet 6, känne-15 tecknat därav, att saltet av en keto-glukonsyra är natrium-2-keto-D-glukonat.
11. Förfarande enligt patentkravet 6, känne-tecknat därav, att stereoisomeren är natrium-2-ke-togulonat. • « I » « • · · : · : • · • · · • i * • · · ' # · • * · • · · • · · • · · • · · « · | I I I • « f »
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/595,530 US5114618A (en) | 1990-10-11 | 1990-10-11 | Oxygen removal with keto-gluconates |
| US59553090 | 1990-10-11 | ||
| US9106508 | 1991-09-16 | ||
| PCT/US1991/006508 WO1992007108A1 (en) | 1990-10-11 | 1991-09-16 | Oxygen removal with keto-gluconates |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI931612L FI931612L (sv) | 1993-04-08 |
| FI931612A0 FI931612A0 (sv) | 1993-04-08 |
| FI97627B true FI97627B (sv) | 1996-10-15 |
| FI97627C FI97627C (sv) | 1997-01-27 |
Family
ID=24383604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI931612A FI97627C (sv) | 1990-10-11 | 1993-04-08 | Komposition och förfarande för inhibering av korrosion |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5114618A (sv) |
| EP (1) | EP0552242B1 (sv) |
| JP (1) | JPH0774467B2 (sv) |
| AT (1) | ATE173514T1 (sv) |
| AU (1) | AU646114B2 (sv) |
| CA (1) | CA2091563C (sv) |
| DE (1) | DE69130507D1 (sv) |
| FI (1) | FI97627C (sv) |
| IE (1) | IE913553A1 (sv) |
| PT (1) | PT99180B (sv) |
| WO (1) | WO1992007108A1 (sv) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5293942A (en) * | 1992-02-24 | 1994-03-15 | Pfizer Inc. | Oil well acidizing with iron chelating derivatives of aldohexoses and aldopentoses such as a salt or acid of 2-ketogluconate |
| JP4543951B2 (ja) * | 2005-02-07 | 2010-09-15 | 栗田工業株式会社 | 脱酸素剤及び脱酸素方法 |
| WO2008021054A2 (en) | 2006-08-07 | 2008-02-21 | The University Of Montana | Method for the preparation of organic acids via oxidization using nitric acid |
| US20090250653A1 (en) | 2006-08-07 | 2009-10-08 | Kiely Donald E | Hydroxycarboxylic Acids and Salts |
| EP2209835A2 (en) | 2007-11-15 | 2010-07-28 | The University Of Montana | Hydroxypolyamide gel forming agents |
| MX344828B (es) * | 2010-11-11 | 2017-01-05 | Rivertop Renewables Inc | Composición inhibidora de la corrosión. |
| EP2699660B1 (en) | 2011-04-21 | 2015-08-12 | Rivertop Renewables, Inc. | Calcium sequestering composition |
| WO2014085262A1 (en) | 2012-11-28 | 2014-06-05 | Rivertop Renewables | Corrosion inhibiting, freezing point lowering compositions |
| WO2014159694A1 (en) | 2013-03-13 | 2014-10-02 | Rivertop Renewables, Inc. | Improved nitric acid oxidation processes |
| US9346736B2 (en) | 2013-03-13 | 2016-05-24 | Rivertop Renewables, Inc. | Oxidation process |
| US9670124B2 (en) | 2013-03-13 | 2017-06-06 | Rivertop Renewables, Inc. | Nitric acid oxidation process |
| DE102015120722B4 (de) * | 2015-11-30 | 2017-07-27 | Areva Gmbh | Kernkraftwerk und Verfahren zum Betreiben eines Kernkraftwerks |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB534746A (en) * | 1938-12-24 | 1941-03-17 | Pfizer Charles & Co | Improvements in or relating to the preparation of salts or esters of 2-keto aldonic acids |
| US2938911A (en) * | 1957-05-09 | 1960-05-31 | Universal Oil Prod Co | Condensation products of sugar acid lactones with aromatic hydrocarbons |
| US2926174A (en) * | 1957-06-18 | 1960-02-23 | Universal Oil Prod Co | Condensation of aromatic carboxylic acids with carbohydrates and related materials |
| US3454501A (en) * | 1965-02-12 | 1969-07-08 | Pabst Brewing Co | Aldonic acid and aldonate compositions and production thereof |
| US4067690A (en) * | 1976-05-04 | 1978-01-10 | Chemed Corporation | Boiler water treatment |
| US4419237A (en) * | 1977-08-09 | 1983-12-06 | Esmond William G | Pleated kidney |
| US4278635A (en) * | 1979-10-12 | 1981-07-14 | Chemed Corporation | Method for deoxygenation of water |
| US4366076A (en) * | 1980-06-11 | 1982-12-28 | Ciba-Geigy Corporation | Corrosion inhibited compositions |
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| US4289645A (en) * | 1980-07-14 | 1981-09-15 | Betz Laboratories, Inc. | Hydroquinone and mu-amine compositions |
| US4350606A (en) * | 1980-10-03 | 1982-09-21 | Dearborn Chemical Company | Composition and method for inhibiting corrosion |
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| US4419327A (en) * | 1981-12-22 | 1983-12-06 | Nalco Chemical Company | Method of scavenging dissolved oxygen in steam generating equipment using ammonia or amine neutralized erythorbic acid |
| US4524015A (en) * | 1982-08-09 | 1985-06-18 | Mitsubishi Gas Chemical Company, Inc. | Oxygen absorbent |
| US4539122A (en) * | 1984-02-21 | 1985-09-03 | Halliburton Company | Corrosion inhibitor for heavy brines |
| US4627921A (en) * | 1985-04-29 | 1986-12-09 | L A Water Treatment Corporation | Treatment of water to lower the oxygen and the total organic carbon within the same |
| US4681737A (en) * | 1985-09-17 | 1987-07-21 | Calgon Corporation | Stabilized sodium erythorbate boiler corrosion inhibitor compositions and methods |
| GB8630783D0 (en) * | 1986-12-23 | 1987-02-04 | British Petroleum Co Plc | Removal of oxygen from liquids |
| JPS63166980A (ja) * | 1986-12-27 | 1988-07-11 | Miura Co Ltd | ボイラ−用水系複合清缶剤 |
| US4891141A (en) * | 1987-12-11 | 1990-01-02 | Dubois Chemicals, Inc. | Oxygen scavenger for boiler water and method of use |
| JPH01212781A (ja) * | 1988-02-18 | 1989-08-25 | Kurita Water Ind Ltd | ボイラ水系用腐食防止剤 |
| US4851130A (en) * | 1988-11-30 | 1989-07-25 | Pfizer Inc. | Oxygen removal with carbon catalyzed erythorbate or ascorbate |
-
1990
- 1990-10-11 US US07/595,530 patent/US5114618A/en not_active Expired - Fee Related
-
1991
- 1991-09-16 EP EP91918402A patent/EP0552242B1/en not_active Expired - Lifetime
- 1991-09-16 AT AT91918402T patent/ATE173514T1/de not_active IP Right Cessation
- 1991-09-16 WO PCT/US1991/006508 patent/WO1992007108A1/en not_active Ceased
- 1991-09-16 CA CA002091563A patent/CA2091563C/en not_active Expired - Fee Related
- 1991-09-16 AU AU88506/91A patent/AU646114B2/en not_active Ceased
- 1991-09-16 DE DE69130507T patent/DE69130507D1/de not_active Expired - Lifetime
- 1991-09-16 JP JP3517857A patent/JPH0774467B2/ja not_active Expired - Lifetime
- 1991-10-09 PT PT99180A patent/PT99180B/pt not_active IP Right Cessation
- 1991-10-16 IE IE355391A patent/IE913553A1/en unknown
-
1993
- 1993-04-08 FI FI931612A patent/FI97627C/sv active
Also Published As
| Publication number | Publication date |
|---|---|
| ATE173514T1 (de) | 1998-12-15 |
| FI931612L (sv) | 1993-04-08 |
| IE913553A1 (en) | 1992-04-22 |
| AU646114B2 (en) | 1994-02-10 |
| CA2091563C (en) | 1997-09-30 |
| CA2091563A1 (en) | 1992-04-12 |
| JPH05506889A (ja) | 1993-10-07 |
| DE69130507D1 (de) | 1998-12-24 |
| WO1992007108A1 (en) | 1992-04-30 |
| FI97627C (sv) | 1997-01-27 |
| FI931612A0 (sv) | 1993-04-08 |
| PT99180A (pt) | 1992-09-30 |
| EP0552242A1 (en) | 1993-07-28 |
| EP0552242B1 (en) | 1998-11-18 |
| US5114618A (en) | 1992-05-19 |
| AU8850691A (en) | 1992-05-20 |
| JPH0774467B2 (ja) | 1995-08-09 |
| PT99180B (pt) | 1999-04-30 |
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Legal Events
| Date | Code | Title | Description |
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| BB | Publication of examined application | ||
| GB | Transfer or assigment of application |
Owner name: CULTOR OY |