WO2007054536A1 - Inhibition de la corrosion - Google Patents
Inhibition de la corrosion Download PDFInfo
- Publication number
- WO2007054536A1 WO2007054536A1 PCT/EP2006/068291 EP2006068291W WO2007054536A1 WO 2007054536 A1 WO2007054536 A1 WO 2007054536A1 EP 2006068291 W EP2006068291 W EP 2006068291W WO 2007054536 A1 WO2007054536 A1 WO 2007054536A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- thp
- salt
- formulation
- alkylphosphonic acid
- acid
- Prior art date
Links
- 238000005260 corrosion Methods 0.000 title claims abstract description 33
- 230000007797 corrosion Effects 0.000 title claims abstract description 33
- 230000005764 inhibitory process Effects 0.000 title claims description 4
- 238000009472 formulation Methods 0.000 claims abstract description 43
- 239000000203 mixture Substances 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000002253 acid Substances 0.000 claims description 60
- 150000003839 salts Chemical class 0.000 claims description 56
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 23
- 229910052976 metal sulfide Inorganic materials 0.000 claims description 21
- 239000002904 solvent Substances 0.000 claims description 13
- 125000000217 alkyl group Chemical group 0.000 claims description 11
- -1 alkyl phosphonic acid Chemical compound 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 10
- 230000003115 biocidal effect Effects 0.000 claims description 9
- 244000005700 microbiome Species 0.000 claims description 9
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 8
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims description 8
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 230000002401 inhibitory effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 7
- 230000008030 elimination Effects 0.000 claims description 6
- 238000003379 elimination reaction Methods 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 6
- 230000008021 deposition Effects 0.000 claims description 5
- 239000004094 surface-active agent Substances 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 4
- 239000008235 industrial water Substances 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L sulfate group Chemical group S(=O)(=O)([O-])[O-] QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 3
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 3
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 3
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 3
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 claims description 3
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical compound CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 claims description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 3
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 3
- 239000010452 phosphate Substances 0.000 claims description 3
- 229940095064 tartrate Drugs 0.000 claims description 3
- 239000007795 chemical reaction product Substances 0.000 claims description 2
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 12
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 10
- YIEDHPBKGZGLIK-UHFFFAOYSA-L tetrakis(hydroxymethyl)phosphanium;sulfate Chemical compound [O-]S([O-])(=O)=O.OC[P+](CO)(CO)CO.OC[P+](CO)(CO)CO YIEDHPBKGZGLIK-UHFFFAOYSA-L 0.000 description 9
- 239000000243 solution Substances 0.000 description 8
- NJGCRMAPOWGWMW-UHFFFAOYSA-N octylphosphonic acid Chemical compound CCCCCCCCP(O)(O)=O NJGCRMAPOWGWMW-UHFFFAOYSA-N 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000003139 biocide Substances 0.000 description 4
- 239000003112 inhibitor Substances 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 239000005083 Zinc sulfide Substances 0.000 description 3
- 239000004480 active ingredient Substances 0.000 description 3
- 150000003863 ammonium salts Chemical class 0.000 description 3
- 150000001450 anions Chemical class 0.000 description 3
- NFMAZVUSKIJEIH-UHFFFAOYSA-N bis(sulfanylidene)iron Chemical compound S=[Fe]=S NFMAZVUSKIJEIH-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 229910052981 lead sulfide Inorganic materials 0.000 description 3
- 229940056932 lead sulfide Drugs 0.000 description 3
- 229910052952 pyrrhotite Inorganic materials 0.000 description 3
- 229910052984 zinc sulfide Inorganic materials 0.000 description 3
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 3
- 241000607479 Yersinia pestis Species 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VIHKPMPEMDBCOA-UHFFFAOYSA-N P(O)(O)=O.NC Chemical class P(O)(O)=O.NC VIHKPMPEMDBCOA-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000002280 amphoteric surfactant Substances 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- DZQISOJKASMITI-UHFFFAOYSA-N decyl-dioxido-oxo-$l^{5}-phosphane;hydron Chemical compound CCCCCCCCCCP(O)(O)=O DZQISOJKASMITI-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- SVMUEEINWGBIPD-UHFFFAOYSA-N dodecylphosphonic acid Chemical compound CCCCCCCCCCCCP(O)(O)=O SVMUEEINWGBIPD-UHFFFAOYSA-N 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- OLGGYSFJQGDOFX-UHFFFAOYSA-N nonylphosphonic acid Chemical compound CCCCCCCCCP(O)(O)=O OLGGYSFJQGDOFX-UHFFFAOYSA-N 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- XYFCBTPGUUZFHI-UHFFFAOYSA-O phosphonium Chemical compound [PH4+] XYFCBTPGUUZFHI-UHFFFAOYSA-O 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 125000000075 primary alcohol group Chemical group 0.000 description 1
- 150000003856 quaternary ammonium compounds Chemical class 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 150000003509 tertiary alcohols Chemical class 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
-
- 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
-
- 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
- C23F11/167—Phosphorus-containing compounds
-
- 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
- C23F11/167—Phosphorus-containing compounds
- C23F11/1676—Phosphonic acids
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- 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
- C02F2303/00—Specific treatment goals
- C02F2303/20—Prevention of biofouling
Definitions
- the present invention relates to a method for suppressing or mitigating the problems associated with corrosion and new formulations for use in such a process.
- THP + salts tetrakis (hydroxyorgano) phosphonium
- THPS tetrakis (hydroxymethyl) phosphonium sulfate
- THP + salts can cause corrosion problems, particularly corrosion of ferrous surfaces, when used in aqueous systems at high concentrations.
- THPS tetrachlorosulfate
- an ammonium salt to improve performance.
- this combination of THPS and an ammonium salt added at the high temperatures that can be encountered in oilfield applications, can be corrosive, for example for mild steel and other components. metal.
- WO 2005/040050 formulations comprising a THP + salt and a primary, secondary or tertiary alcohol having an acetylenic bond in the carbon skeleton have been described to be used in order to avoid this problem, by allowing inhibition at both metal sulphide deposition and corrosion.
- WO 2004/083131 also discloses formulations for use in the treatment of corrosion and deposition of metal sulfides in aqueous systems, which formulations comprise a THP + salt and a thio-substituted compound.
- alkylphosphonic acid reduces or prevents the corrosive effect of a THP + salt.
- the Alkylphosphonic acids are not specialized acidic inhibitors, and therefore this effect would not have been anticipated.
- the invention thus proposes, in a first aspect, a formulation for the treatment of aqueous systems comprising a THP + salt (as defined above) and an alkylphosphonic acid.
- THP + salt acts conventionally, e.g. as a biocide or to dissolve / disperse a metal sulfide, while alkylphosphonic acid controls the corrosive effect of the THP + salt.
- Such formulations are also beneficial because the presence of alkylphosphonic acid surprisingly increases the effectiveness of the THP + salt as a biocide.
- alkyl phosphonic acid is an acid (alkyl to C 30) phosphonic acid, preferably an acid (C 2 -C 2 5) phosphonic acid, more preferably an acid (alkyl C 3 -C 2 o) phosphonic acid, most preferably an acid (C 5 to C 5) phosphonic acid, for example an acid (alkyl Ce to Ci 2) phosphonic acid, such as an acid (C 7, Cg, C9, or Cio) phosphonic acid.
- the alkyl group may be an unsubstituted or substituted alkyl group.
- the alkyl group is substituted, one or more, for example two or more, such as three or more, hydrogens of the alkyl moiety are substituted with a functional group.
- the substituent groups may be the same or different.
- the substituent functional group may be any suitable group but may be, for example, a halogeno group (e.g., fluoro, chloro or bromo).
- the alkyl group may be a straight or branched chain.
- alkylphosphonic acid examples include octylphosphonic acid, nonylphosphonic acid, decylphosphonic acid and dodecylphosphonic acid.
- the alkylphosphonic acid is octylphosphonic acid.
- the anion of the THP + salt must be compatible with the aqueous system.
- the anion must render the THP + salt water soluble.
- Preferred anions for the THP + salt include sulfate, chloride, phosphate, bromide, fluoride, carbonate, citrate, lactate, tartrate, borate, silicate, formate and acetate. Sulphate is particularly preferred.
- the ratio of THP + to alkylphosphonic acid in the formulation is typically in the range of from 1: 1 to 750: 1, preferably from 10: 1 to 500: 1, more preferably from 15: 1 to 300: 1, such as From 20: 1 to 100: 1, for example from 25: 1 to 75: 1, most preferably from 30: 1 to 60: 1, for example from 35: 1 to 55: 1, as from 40: 1 to 50: 1.
- the formulation may include a surfactant.
- the surfactant is preferably a cationic surfactant, for example a quaternary ammonium compound, an N-alkylated heterocyclic compound or a quaternized amido-amine.
- anionic, amphoteric or nonionic surfactants can be used.
- Aminomethane phosphonates can replace ammonium salts in the aqueous system.
- the formulation may include a solvent.
- the solvent may be aqueous or organic.
- solvents examples include water, dimethylsulfoxide (DMSO), alkylene glycols, glycol ethers and tetrahydrofuran (THF).
- DMSO dimethylsulfoxide
- alkylene glycols examples include polyethylene glycols, polypropylene glycols, polystyrene (PS), polystyrene (PS), polystyrene (PS), polystyrene (PS), polysulfate, polysulfate, polysulfate, polysulfate, polysulfate, poly(ethylene glycol) ethoxysilyl)
- THF tetrahydrofuran
- the solvent is a glycolic solvent, particularly an alkylene glycol.
- the alkylene glycol may be a monoalkylene glycol, a dialkylene glycol, a trialkylene glycol or a polyalkylene glycol.
- the solvent is an alkylene glycol wherein the alkyl group is a C 2 -C 12 alkyl group, preferably a C 2-8 alkyl group, more preferably a C 2-5 alkyl group such as ethylene, propylene or butylene.
- the solvent may preferably be ethylene glycol, diethylene glycol, triethylene glycol, polyethylene glycol or propylene glycol.
- the solvent is ethylene glycol.
- the present invention also provides, in a second aspect, a formulation consisting essentially of the reaction product of a THP + salt and an alkylphosphonic acid, wherein the ratio of said THP + salt to said alkylphosphonic acid is from 1: 1 to 750: 1.
- the ratio of THP + to alkylphosphonic acid is preferably from 10: 1 to 500: 1, more preferably from 15: 1 to 300: 1, as from 20: 1 to 100: 1, for example from 25: 1 to 75: 1, most preferably from 30: 1 to 60: 1, for example from 35: 1 to 55: 1, as from 40: 1 to 50: 1.
- the alkylphosphonic acid may suitably be as described above with respect to the first aspect.
- the THP + salt may suitably be as described above with respect to the first aspect.
- the formulations according to the first and second aspects of the invention are particularly useful for preventing the corrosion of ferrous materials (eg, mild steel), copper and aluminum.
- Such formulations may be suitably used to treat a metal sulphide deposit, for example an iron sulphide deposit.
- the iron sulfide may be troilite (FeS) or pyrite (FeS2).
- the iron sulfide may be mackinawite (Fe 9 S 8 ) or pyrrhotite (Fe 7 S 8 ).
- the metal sulfide to be treated may be suitably lead sulfide or zinc sulfide, or a combination thereof.
- Such formulations can also be used as biocides, for treat pests.
- the present invention also provides, in a third aspect, a method for treating an aqueous system while simultaneously inhibiting corrosion of surfaces in contact with said aqueous system, which method comprises simultaneous, sequential or separate addition of an effective amount.
- a THP + salt and an alkylphosphonic acid are simultaneous, sequential or separate addition of an effective amount.
- the treatment may be a treatment to reduce or dissolve a metal sulphide deposit. Therefore, the aqueous system can be a system containing, or in contact with, or sensitive to, a metal sulfide deposit.
- the metal sulphide deposit may be any metal sulphide deposit but, appropriately, it may be iron sulphide.
- the iron sulfide may be troilite (FeS) or pyrite (FeS 2 ).
- the iron sulfide may be mackinawite (FegSg) or pyrrhotite (Fe 7 Sg).
- the metal sulfide may be lead sulfide or zinc sulfide, or a combination thereof.
- the treatment may alternatively or additionally be a biocidal treatment. Therefore, the aqueous system can be a system containing, or in contact with, or sensitive to, harmful microorganisms.
- the alkylphosphonic acid may suitably be as described above with respect to the first aspect.
- the THP + salt may suitably be as described above with respect to the first aspect.
- sufficient alkylphosphonic acid is added to reduce or eliminate corrosion of the surfaces in contact with said aqueous system.
- THP + salt is added to obtain the desired treatment of the aqueous system, e.g. an amount sufficient to reduce or eliminate pests or an amount sufficient to reduce or eliminate metal sulphide deposition.
- the method may include adding a formulation according to the first aspect as described above.
- the aqueous system can be any aqueous system in which the application of a THP + salt can cause corrosion.
- the aqueous system is an improved aqueous oil extraction system.
- the aqueous system can be an aqueous system for industrial water or an aqueous papermaking system.
- the THP + salt is preferably added in an effective amount of up to 30% by weight, preferably from 5% to 30%, for example from 10% to 25% by weight, as from 15% to 20% by weight. weight.
- the alkylphosphonic acid is preferably added in an effective amount of 0.1 to 100000 ppm, based on the volume of the treated system, more preferably from 1 to 10,000 ppm, such as from 10 to 10,000 ppm, for example from 100 to 100 ppm. 1000 ppm.
- Surfaces in contact with said aqueous system may suitably include any metallic material but may include, in particular, ferrous materials (eg, mild steel), copper and / or aluminum.
- the present invention also provides, in a fourth aspect, the use of an alkylphosphonic acid to reduce or prevent the corrosive effect of a THP + salt.
- the alkylphosphonic acid is suitably as described above with respect to the first aspect.
- the THP + salt may suitably be as described above with respect to the first aspect.
- the alkylphosphonic acid may be used in combination with the THP + salt by the use of a formulation according to the first or second aspect of the invention.
- the alkylphosphonic acid can be suitably used in combination with a THP + salt in the form of a solution.
- the solvent may suitably be as described above with respect to the first aspect.
- the use may involve the simultaneous, sequential or separate addition of an alkylphosphonic acid and a THP + salt to a system to be treated.
- the use can be properly applied to the treatment of aqueous systems.
- the use may be in the context of the treatment of an aqueous system containing or in contact with a metal sulphide deposit.
- the use may be in the context of the treatment of an aqueous system containing or in contact with harmful microorganisms.
- the use may adequately involve inhibiting the corrosion of surfaces in contact with the aqueous system.
- Surfaces in contact with said aqueous system may suitably include any metallic material but may include, in particular, ferrous materials (eg, mild steel), copper and / or aluminum.
- the present invention also proposes, in a fifth aspect, the use of a formulation according to the first or second aspect of the invention for the reduction, elimination or prevention of metal sulphide deposition and reduction, elimination or prevention of corrosion.
- the alkylphosphonic acid may suitably be as described above with respect to the first aspect.
- the THP + salt may suitably be as described above with respect to the first aspect.
- the use can be properly applied to the treatment of aqueous systems.
- the use may be in the context of the treatment of an aqueous system containing or in contact with a metal sulphide deposit.
- the use may adequately involve inhibiting the corrosion of surfaces in contact with the aqueous system.
- Surfaces in contact with said aqueous system may suitably include any metallic material but may include, in particular, ferrous materials (eg, mild steel), copper and / or aluminum.
- the use may be to treat an aqueous system containing or in contact with a metal sulphide deposit while simultaneously inhibiting the corrosion of surfaces in contact with said aqueous system.
- the aqueous system can be any aqueous system in which the application of a THP + salt can cause corrosion.
- the aqueous system is an improved aqueous oil extraction system.
- the aqueous system can be an aqueous system for industrial water or an aqueous papermaking system.
- the metal sulphide deposit may be any metal sulphide deposit but, appropriately, it may be iron sulphide.
- the iron sulfide may be troilite (FeS) or pyrite (FeS 2 ).
- the iron sulfide may be mackinawite (Fe 9 S 8 ) or pyrrhotite (Fe 7 S 8 ).
- the metal sulfide may be suitably lead sulfide or zinc sulfide, or a combination thereof.
- the present invention also proposes, in a sixth aspect, the use of a formulation according to the first or second aspect of the invention for the reduction, elimination or prevention of harmful microorganisms and the reduction, elimination or prevention of corrosion.
- the alkylphosphonic acid may suitably be as described above with respect to the first aspect.
- the THP + salt may suitably be as described above with respect to the first aspect.
- the use can be properly applied to the treatment of aqueous systems.
- the use may be in the context of the treatment of an aqueous system containing or in contact with harmful microorganisms.
- the use may adequately involve inhibiting the corrosion of surfaces in contact with the aqueous system.
- Surfaces in contact with said aqueous system may suitably include any metallic material but may include, in particular, ferrous materials (eg, mild steel), copper and / or aluminum.
- the use may be to treat an aqueous system containing or in contact with harmful microorganisms while simultaneously inhibiting the corrosion of surfaces in contact with said aqueous system.
- the aqueous system can be any aqueous system in which the application of a THP + salt can cause corrosion.
- the aqueous system is an improved aqueous oil extraction system.
- the aqueous system can be an aqueous system for industrial water or an aqueous papermaking system.
- the present invention provides, in a seventh aspect, the use of an alkylphosphonic acid in combination with a THP + salt to improve the biocidal efficacy of THP + salt.
- the alkylphosphonic acid may suitably be as described above with respect to the first aspect.
- the THP + salt may suitably be as described above with respect to the first aspect.
- the alkylphosphonic acid may be used in combination with the THP + salt by the use of a formulation according to the first or second aspect of the invention.
- the use adequately concerns the treatment of an aqueous system containing or in contact with harmful microorganisms.
- the microorganisms may in particular be general heterotrophic bacteria.
- the use may involve the simultaneous, sequential or separate addition of an alkylphosphonic acid and a THP + salt to a system to receive a biocidal treatment.
- the alkylphosphonic acid can be suitably used in combination with a THP + salt in the form of a solution.
- the solvent may suitably be as described above with respect to the first aspect.
- the alkylphosphonic acid may be suitably used in combination with a THP + salt for contacting a system containing or in contact with harmful microorganisms.
- the THP + acid and salt may be contacted with the system for any suitable duration, for example 10 seconds or more, such as 30 seconds or more, preferably 45 seconds or more, more preferably one minute or more, for example from one minute to four minutes or more, preferably one and a half minutes or more, for example from two minutes to three minutes or more.
- Aqueous solutions of THPS were tested on mild steel specimens at 50 ° C. for 24 hours to evaluate the corrosion control effect of various agents, which included compounds generally known as inhibitors and alkylphosphonic acid.
- Each solution included an active solution of THPS at 50% by weight plus 1% by weight of a "potential corrosion control agent". The effect of corrosion on mild steel specimens was measured.
- Example 2 A solution of THPS and octylphosphonic acid (OPA) in ethylene glycol was tested on mild steel specimens at 50 0 C for 24 hours to evaluate the effect of corrosion control. The effect of corrosion on mild steel specimens was measured.
- OPA octylphosphonic acid
- THPS octylphosphonic acid
- OPA octylphosphonic acid
- the experiment was repeated to establish a control by not using active ingredient in the aqueous solution in contact.
- the experiment was also repeated for a comparative test, using an aqueous solution of THPS and a surfactant (250 ml / l of active ingredient).
- an alkylphosphonic acid is surprisingly effective in increasing the biocidal effect of a THP + salt, a solution of a THP + salt and an acid. alkylphosphonic acid allowing a greater reduction of bacteria than a solution of a THP + salt and a surfactant.
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- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Agronomy & Crop Science (AREA)
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Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06819368A EP1966097A1 (fr) | 2005-11-10 | 2006-11-09 | Inhibition de la corrosion |
US12/093,319 US8404181B2 (en) | 2005-11-10 | 2006-11-09 | Corrosion inhibition |
BRPI0618461-8A BRPI0618461A2 (pt) | 2005-11-10 | 2006-11-09 | formulação para o tratamento de sistemas aquosos, processo que visa tratar um sistema aquoso enquanto inibe simultaneamente a corrosão de superfìcies em contato com o referido sistema e utilização de um ácido aquilfosfÈnico |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0522943A GB2432154B (en) | 2005-11-10 | 2005-11-10 | Corrosion inhibition |
GB0522943.0 | 2005-11-10 |
Publications (1)
Publication Number | Publication Date |
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WO2007054536A1 true WO2007054536A1 (fr) | 2007-05-18 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/EP2006/068291 WO2007054536A1 (fr) | 2005-11-10 | 2006-11-09 | Inhibition de la corrosion |
Country Status (6)
Country | Link |
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US (1) | US8404181B2 (fr) |
EP (1) | EP1966097A1 (fr) |
AR (1) | AR058183A1 (fr) |
BR (1) | BRPI0618461A2 (fr) |
GB (1) | GB2432154B (fr) |
WO (1) | WO2007054536A1 (fr) |
Families Citing this family (5)
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DE102007029836A1 (de) * | 2007-06-28 | 2009-01-02 | Siemens Ag | Zusatz für Kühlwasserkreisläufe in Kraftwerken sowie Verfahren zum Korrisionsschutz in Kühlwasserkreisläufen von Kraftwerken |
GB2488768A (en) | 2011-03-07 | 2012-09-12 | Rhodia Operations | Treatment of hydrocarbon-containing systems |
WO2015017705A1 (fr) | 2013-08-02 | 2015-02-05 | Ecolab Usa Inc. | Compositions de biocide |
GB201400299D0 (en) | 2014-01-08 | 2014-02-26 | Rhodia Operations | Corrosion inhibitors |
US11021642B2 (en) | 2017-03-23 | 2021-06-01 | Baker Hughes Holdings Llc | Formulation and method for dissolution of metal sulfides, inihibition of acid gas corrosion, and inhibition of scale formation |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002008127A1 (fr) * | 2000-07-20 | 2002-01-31 | Rhodia Consumer Specialties Limited | Traitement de dépôts de sulfure de fer |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1209486A (en) * | 1966-12-16 | 1970-10-21 | Monsanto Co | Phosporus-containing organic compounds |
US4052160A (en) * | 1975-07-23 | 1977-10-04 | Ciba-Geigy Corporation | Corrosion inhibitors |
US4303568A (en) * | 1979-12-10 | 1981-12-01 | Betz Laboratories, Inc. | Corrosion inhibition treatments and method |
US4374733A (en) * | 1981-04-01 | 1983-02-22 | Betz Laboratories, Inc. | Method for treating aqueous mediums |
IN166861B (fr) * | 1985-08-06 | 1990-07-28 | Albright & Wilson | |
US4752443A (en) * | 1986-05-09 | 1988-06-21 | Nalco Chemical Company | Cooling water corrosion inhibition method |
US4923634A (en) * | 1986-05-09 | 1990-05-08 | Nalco Chemical Company | Cooling water corrosion inhibition method |
EP0302007B1 (fr) * | 1987-07-14 | 1992-05-13 | Ciba-Geigy Ag | Acides hydroxy-éther-carboxyliques et leur lactones, procédé pour les produire et leur utilisation comme inhibiteurs de corrosion |
GB9024470D0 (en) * | 1990-11-10 | 1991-01-02 | Ciba Geigy Ag | Corrision inhibition |
EP1133450A1 (fr) * | 1998-10-14 | 2001-09-19 | Rhodia Consumer Specialties Limited | Sels metalliques divalents de lessivage |
US6214777B1 (en) * | 1999-09-24 | 2001-04-10 | Ecolab, Inc. | Antimicrobial lubricants useful for lubricating containers, such as beverage containers, and conveyors therefor |
GB0321276D0 (en) * | 2003-09-11 | 2003-10-08 | Rhodia Consumer Specialities L | Treatment of iron sulphide deposits |
US20090170917A1 (en) * | 2007-12-03 | 2009-07-02 | Seung-Yub Lee | Acid Mimic Compounds for the Inhibition of Isoprenyl-S-Cysteinyl Methyltransferase |
-
2005
- 2005-11-10 GB GB0522943A patent/GB2432154B/en not_active Expired - Fee Related
-
2006
- 2006-11-09 EP EP06819368A patent/EP1966097A1/fr not_active Withdrawn
- 2006-11-09 BR BRPI0618461-8A patent/BRPI0618461A2/pt not_active IP Right Cessation
- 2006-11-09 US US12/093,319 patent/US8404181B2/en not_active Expired - Fee Related
- 2006-11-09 WO PCT/EP2006/068291 patent/WO2007054536A1/fr active Application Filing
- 2006-11-10 AR ARP060104936A patent/AR058183A1/es unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002008127A1 (fr) * | 2000-07-20 | 2002-01-31 | Rhodia Consumer Specialties Limited | Traitement de dépôts de sulfure de fer |
Also Published As
Publication number | Publication date |
---|---|
GB0522943D0 (en) | 2005-12-21 |
AR058183A1 (es) | 2008-01-23 |
EP1966097A1 (fr) | 2008-09-10 |
US20090170817A1 (en) | 2009-07-02 |
BRPI0618461A2 (pt) | 2012-05-08 |
GB2432154A (en) | 2007-05-16 |
US8404181B2 (en) | 2013-03-26 |
GB2432154B (en) | 2010-12-29 |
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