CA1159246A - Produits anticorrosion - Google Patents

Produits anticorrosion

Info

Publication number: CA1159246A
Authority: CA; Canada
Prior art keywords: composition; set forth; ppm; corrosion; mixture
Prior art date: 1980-07-21
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.): Expired

Application number

CA000381755A

Other languages

English (en)

Inventor

Edwin J. Latos

John C. Payne

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Honeywell UOP LLC

Original Assignee

UOP LLC

Priority date (The priority date 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 date listed.)

1980-07-21

Filing date

1981-07-15

Publication date

1983-12-27

1981-07-15 Application filed by UOP LLC filed Critical UOP LLC

1983-12-27 Application granted granted Critical

1983-12-27 Publication of CA1159246A publication Critical patent/CA1159246A/fr

Status Expired legal-status Critical Current

Links

238000005260 corrosion Methods 0.000 title claims abstract description 40
230000007797 corrosion Effects 0.000 title claims abstract description 40
239000003112 inhibitor Substances 0.000 title abstract description 21
239000000203 mixture Substances 0.000 claims abstract description 66
-1 phosphate com-pound Chemical class 0.000 claims abstract description 37
229910052751 metal Inorganic materials 0.000 claims abstract description 28
239000002184 metal Substances 0.000 claims abstract description 28
150000003839 salts Chemical class 0.000 claims abstract description 16
229910019142 PO4 Inorganic materials 0.000 claims abstract description 10
239000010452 phosphate Substances 0.000 claims abstract description 10
235000019832 sodium triphosphate Nutrition 0.000 claims abstract description 10
239000011684 sodium molybdate Substances 0.000 claims abstract description 9
235000015393 sodium molybdate Nutrition 0.000 claims abstract description 9
TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims abstract description 9
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 6
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 5
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 5
229910052804 chromium Inorganic materials 0.000 claims abstract description 5
239000011651 chromium Substances 0.000 claims abstract description 5
229910052750 molybdenum Inorganic materials 0.000 claims abstract description 5
239000011733 molybdenum Substances 0.000 claims abstract description 5
229910052721 tungsten Inorganic materials 0.000 claims abstract description 5
239000010937 tungsten Substances 0.000 claims abstract description 5
QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims abstract description 4
239000012964 benzotriazole Substances 0.000 claims abstract description 4
MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 claims description 5
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
229910052700 potassium Inorganic materials 0.000 claims description 3
239000011591 potassium Substances 0.000 claims description 3
CMGDVUCDZOBDNL-UHFFFAOYSA-N 4-methyl-2h-benzotriazole Chemical group CC1=CC=CC2=NNN=C12 CMGDVUCDZOBDNL-UHFFFAOYSA-N 0.000 claims description 2
YDONNITUKPKTIG-UHFFFAOYSA-N [Nitrilotris(methylene)]trisphosphonic acid Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CP(O)(O)=O YDONNITUKPKTIG-UHFFFAOYSA-N 0.000 claims description 2
230000002265 prevention Effects 0.000 claims description 2
FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 claims description 2
235000019818 tetrasodium diphosphate Nutrition 0.000 claims description 2
DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 claims 1
125000003354 benzotriazolyl group Chemical group N1N=NC2=C1C=CC=C2* 0.000 claims 1
230000002401 inhibitory effect Effects 0.000 abstract description 6
239000002253 acid Substances 0.000 abstract description 3
230000003134 recirculating effect Effects 0.000 abstract description 3
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 23
238000012360 testing method Methods 0.000 description 14
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
150000001875 compounds Chemical class 0.000 description 7
229910052802 copper Inorganic materials 0.000 description 7
239000010949 copper Substances 0.000 description 7
238000012546 transfer Methods 0.000 description 6
238000001816 cooling Methods 0.000 description 5
235000021317 phosphate Nutrition 0.000 description 5
239000000243 solution Substances 0.000 description 5
UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 5
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
229910000831 Steel Inorganic materials 0.000 description 4
239000003518 caustics Substances 0.000 description 4
239000010959 steel Substances 0.000 description 4
ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 3
239000002270 dispersing agent Substances 0.000 description 3
230000000694 effects Effects 0.000 description 3
238000002474 experimental method Methods 0.000 description 3
239000011777 magnesium Substances 0.000 description 3
UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical class [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 description 3
239000007787 solid Substances 0.000 description 3
WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
239000002519 antifouling agent Substances 0.000 description 2
229910052792 caesium Inorganic materials 0.000 description 2
TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 2
239000011575 calcium Substances 0.000 description 2
DKPHLYCEFBDQKM-UHFFFAOYSA-H hexapotassium;1-phosphonato-n,n-bis(phosphonatomethyl)methanamine Chemical compound [K+].[K+].[K+].[K+].[K+].[K+].[O-]P([O-])(=O)CN(CP([O-])([O-])=O)CP([O-])([O-])=O DKPHLYCEFBDQKM-UHFFFAOYSA-H 0.000 description 2
229910052742 iron Inorganic materials 0.000 description 2
229910052744 lithium Inorganic materials 0.000 description 2
229910052749 magnesium Inorganic materials 0.000 description 2
229920000193 polymethacrylate Polymers 0.000 description 2
229910052701 rubidium Inorganic materials 0.000 description 2
IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 2
XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 description 2
239000000126 substance Substances 0.000 description 2
WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
QLOKJRIVRGCVIM-UHFFFAOYSA-N 1-[(4-methylsulfanylphenyl)methyl]piperazine Chemical compound C1=CC(SC)=CC=C1CN1CCNCC1 QLOKJRIVRGCVIM-UHFFFAOYSA-N 0.000 description 1
AMFYRKOUWBAGHV-UHFFFAOYSA-N 1h-pyrazolo[4,3-b]pyridine Chemical compound C1=CN=C2C=NNC2=C1 AMFYRKOUWBAGHV-UHFFFAOYSA-N 0.000 description 1
VGFPJJWUVBXOMB-UHFFFAOYSA-N 2-(4-bromophenyl)-7-methylimidazo[1,2-a]pyrimidine Chemical compound N1=C2N=C(C)C=CN2C=C1C1=CC=C(Br)C=C1 VGFPJJWUVBXOMB-UHFFFAOYSA-N 0.000 description 1
PMJNEQWWZRSFCE-UHFFFAOYSA-N 3-ethoxy-3-oxo-2-(thiophen-2-ylmethyl)propanoic acid Chemical compound CCOC(=O)C(C(O)=O)CC1=CC=CS1 PMJNEQWWZRSFCE-UHFFFAOYSA-N 0.000 description 1
LRUDIIUSNGCQKF-UHFFFAOYSA-N 5-methyl-1H-benzotriazole Chemical compound C1=C(C)C=CC2=NNN=C21 LRUDIIUSNGCQKF-UHFFFAOYSA-N 0.000 description 1
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
239000005977 Ethylene Substances 0.000 description 1
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 description 1
229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
239000004793 Polystyrene Substances 0.000 description 1
OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
150000001253 acrylic acids Chemical class 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 description 1
239000011609 ammonium molybdate Substances 0.000 description 1
235000018660 ammonium molybdate Nutrition 0.000 description 1
229940010552 ammonium molybdate Drugs 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
150000007514 bases Chemical class 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
BROHICCPQMHYFY-UHFFFAOYSA-N caesium chromate Chemical compound [Cs+].[Cs+].[O-][Cr]([O-])(=O)=O BROHICCPQMHYFY-UHFFFAOYSA-N 0.000 description 1
229910052791 calcium Inorganic materials 0.000 description 1
239000001110 calcium chloride Substances 0.000 description 1
229910001628 calcium chloride Inorganic materials 0.000 description 1
239000003093 cationic surfactant Substances 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
230000008602 contraction Effects 0.000 description 1
230000008021 deposition Effects 0.000 description 1
AGNOBAWAZFBMMI-UHFFFAOYSA-N dicesium dioxido(dioxo)molybdenum Chemical compound [Cs+].[Cs+].[O-][Mo]([O-])(=O)=O AGNOBAWAZFBMMI-UHFFFAOYSA-N 0.000 description 1
JQVALDCWTQRVQE-UHFFFAOYSA-N dilithium;dioxido(dioxo)chromium Chemical compound [Li+].[Li+].[O-][Cr]([O-])(=O)=O JQVALDCWTQRVQE-UHFFFAOYSA-N 0.000 description 1
REKWWOFUJAJBCL-UHFFFAOYSA-L dilithium;hydrogen phosphate Chemical compound [Li+].[Li+].OP([O-])([O-])=O REKWWOFUJAJBCL-UHFFFAOYSA-L 0.000 description 1
XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 description 1
235000011180 diphosphates Nutrition 0.000 description 1
ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 description 1
AAQNGTNRWPXMPB-UHFFFAOYSA-N dipotassium;dioxido(dioxo)tungsten Chemical compound [K+].[K+].[O-][W]([O-])(=O)=O AAQNGTNRWPXMPB-UHFFFAOYSA-N 0.000 description 1
BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
230000001747 exhibiting effect Effects 0.000 description 1
239000011521 glass Substances 0.000 description 1
239000013529 heat transfer fluid Substances 0.000 description 1
230000005764 inhibitory process Effects 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
239000007788 liquid Substances 0.000 description 1
NMHMDUCCVHOJQI-UHFFFAOYSA-N lithium molybdate Chemical compound [Li+].[Li+].[O-][Mo]([O-])(=O)=O NMHMDUCCVHOJQI-UHFFFAOYSA-N 0.000 description 1
229910001629 magnesium chloride Inorganic materials 0.000 description 1
VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
239000011976 maleic acid Substances 0.000 description 1
150000002689 maleic acids Chemical class 0.000 description 1
238000005259 measurement Methods 0.000 description 1
229910021645 metal ion Inorganic materials 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
238000000034 method Methods 0.000 description 1
QNHNSPNFZFBEQR-UHFFFAOYSA-N n'-(3-trihydroxysilylpropyl)ethane-1,2-diamine Chemical compound NCCNCCC[Si](O)(O)O QNHNSPNFZFBEQR-UHFFFAOYSA-N 0.000 description 1
239000002736 nonionic surfactant Substances 0.000 description 1
125000006353 oxyethylene group Chemical group 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
229940070721 polyacrylate Drugs 0.000 description 1
229920000768 polyamine Polymers 0.000 description 1
239000001205 polyphosphate Substances 0.000 description 1
235000011176 polyphosphates Nutrition 0.000 description 1
229920002223 polystyrene Polymers 0.000 description 1
229920005614 potassium polyacrylate Polymers 0.000 description 1
OSFBJERFMQCEQY-UHFFFAOYSA-N propylidene Chemical group [CH]CC OSFBJERFMQCEQY-UHFFFAOYSA-N 0.000 description 1
229940048084 pyrophosphate Drugs 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
239000011734 sodium Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000011780 sodium chloride Substances 0.000 description 1
NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
229910052938 sodium sulfate Inorganic materials 0.000 description 1
235000011152 sodium sulphate Nutrition 0.000 description 1
239000007858 starting material Substances 0.000 description 1
125000001424 substituent group Chemical group 0.000 description 1
239000004094 surface-active agent Substances 0.000 description 1
239000012085 test solution Substances 0.000 description 1
UWZMLGXPWOHKMO-UHFFFAOYSA-J tetracesium;phosphonato phosphate Chemical compound [Cs+].[Cs+].[Cs+].[Cs+].[O-]P([O-])(=O)OP([O-])([O-])=O UWZMLGXPWOHKMO-UHFFFAOYSA-J 0.000 description 1
MVGWWCXDTHXKTR-UHFFFAOYSA-J tetralithium;phosphonato phosphate Chemical compound [Li+].[Li+].[Li+].[Li+].[O-]P([O-])(=O)OP([O-])([O-])=O MVGWWCXDTHXKTR-UHFFFAOYSA-J 0.000 description 1
RYCLIXPGLDDLTM-UHFFFAOYSA-J tetrapotassium;phosphonato phosphate Chemical compound [K+].[K+].[K+].[K+].[O-]P([O-])(=O)OP([O-])([O-])=O RYCLIXPGLDDLTM-UHFFFAOYSA-J 0.000 description 1
VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 description 1
LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 1
RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 1
230000004580 weight loss Effects 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
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/086—Condensed phosphates
- 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
- C23F14/00—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes
- C23F14/02—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes by chemical means
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/023—Water in cooling circuits
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/08—Corrosion inhibition
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
- C02F5/145—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus combined with inorganic substances

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Metallurgy (AREA)
Mechanical Engineering (AREA)
Materials Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
Water Supply & Treatment (AREA)
Environmental & Geological Engineering (AREA)
Hydrology & Water Resources (AREA)
Preventing Corrosion Or Incrustation Of Metals (AREA)

CA000381755A 1980-07-21 1981-07-15 Produits anticorrosion Expired CA1159246A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US17037580A	1980-07-21	1980-07-21
US170,375		1980-07-21

Publications (1)

Publication Number	Publication Date
CA1159246A true CA1159246A (fr)	1983-12-27

Family

ID=22619624

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000381755A Expired CA1159246A (fr)	1980-07-21	1981-07-15	Produits anticorrosion

Country Status (4)

Country	Link
JP (1)	JPS5741381A (fr)
AU (1)	AU7344981A (fr)
CA (1)	CA1159246A (fr)
PH (1)	PH18729A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NZ212126A (en) *	1984-06-26	1988-05-30	Betz Int	Copper-corrosion inhibitor composition and use in water cooling systems
GB2184109A (en) *	1985-10-29	1987-06-17	Grace W R & Co	The treatment of aqueous systems
US5008153A (en) *	1988-12-08	1991-04-16	Ppg Industries, Inc.	Corrosion inhibitive pretreatment for "copper-free" mirrors
US5141675A (en) *	1990-10-15	1992-08-25	Calgon Corporation	Novel polyphosphate/azole compositions and the use thereof as copper and copper alloy corrosion inhibitors

1981
- 1981-07-15 CA CA000381755A patent/CA1159246A/fr not_active Expired
- 1981-07-20 PH PH25940A patent/PH18729A/en unknown
- 1981-07-21 JP JP56113066A patent/JPS5741381A/ja active Pending
- 1981-07-24 AU AU73449/81A patent/AU7344981A/en not_active Abandoned

Also Published As

Publication number	Publication date
AU7344981A (en)	1982-01-28
PH18729A (en)	1985-09-11
JPS5741381A (en)	1982-03-08

Legal Events

Date	Code	Title	Description
2000-12-27	MKEX	Expiry

Publication	Publication Date	Title
US4409121A (en)	1983-10-11	Corrosion inhibitors
US3935125A (en)	1976-01-27	Method and composition for inhibiting corrosion in aqueous systems
US3960576A (en)	1976-06-01	Silicate-based corrosion inhibitor
EP0538970B1 (fr)	1997-12-29	Inhibition de la corrosion à l'aide de chélates de terres rares solubles dans l'eau
KR102453174B1 (ko)	2022-10-12	부식 저해를 위한 조성물 및 방법
CA1113238A (fr)	1981-12-01	Substance anti-corrosive
AU639835B2 (en)	1993-08-05	Novel polyphosphate/azole compositions and the use thereof as copper and copper alloy corrosion inhibitors
US6200529B1 (en)	2001-03-13	Corrosion inhibition method suitable for use in potable water
US5192447A (en)	1993-03-09	Use of molybdate as a cooling water corrosion inhibitor at higher temperatures
US5376331A (en)	1994-12-27	Method and composition for inhibiting general and pitting corrosion in cooling tower water
EP0396243A1 (fr)	1990-11-07	Inhibition de la corrosion dans des systèmes aqueux
KR102506078B1 (ko)	2023-03-07	부식 및 스케일을 억제하기 위한 조성물 및 방법
JPH0141705B2 (fr)	1989-09-07
JP2592822B2 (ja)	1997-03-19	金属腐蝕抑制と燐酸カルシウム沈澱防止のためのホスホン酸／燐酸塩混合物
CA2107791C (fr)	2002-03-12	Methode et composition pour inhiber la corrosion par piqures et la corrosion en general dans un refroidisseur d'eau
JP5559629B2 (ja)	2014-07-23	水系金属防食方法
US6416712B2 (en)	2002-07-09	Corrosion inhibition method suitable for use in potable water
JPS6296683A (ja)	1987-05-06	水系における金属類のスケ−ル抑制を兼ねた腐食防止剤
JPH062170A (ja)	1994-01-11	カチオン性アルキルホスホニウム塩の開放再循環系における腐食防止剤としての使用
JPH0447033B2 (fr)	1992-07-31
KR100470107B1 (ko)	2005-02-04	밀폐형 난방 시스템용 설비 보호제 조성물
JPS63242399A (ja)	1988-10-07	水系のマンガンによるスケール形成と腐食のアミノホスホン酸の使用による防止法
JP2004315914A (ja)	2004-11-11	腐食抑制剤及び腐食抑制方法
CA1052087A (fr)	1979-04-10	Methode et compose de repression de la corrosion
CA2070622A1 (fr)	1992-12-07	Utilisation du molybdate comme inhibiteur de corrosion dans un traitement a eau de refroidissement du zinc-phosphonate