CA1114595A - Traitement anticorrosion des eaux de chaudiere - Google Patents

Traitement anticorrosion des eaux de chaudiere

Info

Publication number: CA1114595A
Authority: CA; Canada
Prior art keywords: acid; acid polymer; organic acid; phosphate; ppm
Prior art date: 1979-04-02
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

CA332,878A

Other languages

English (en)

Inventor

Joseph J. Schuck

Irene T. Godlewski

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.)

GE BetzDearborn Canada Co

Original Assignee

Betz Laboratories Ltd

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.)

1979-04-02

Filing date

1979-07-31

Publication date

1981-12-22

1979-07-31 Application filed by Betz Laboratories Ltd filed Critical Betz Laboratories Ltd

1981-12-22 Application granted granted Critical

1981-12-22 Publication of CA1114595A publication Critical patent/CA1114595A/fr

Status Expired legal-status Critical Current

Links

XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 40
238000005260 corrosion Methods 0.000 title claims abstract description 26
230000007797 corrosion Effects 0.000 title claims abstract description 26
238000011282 treatment Methods 0.000 title claims abstract description 26
239000003112 inhibitor Substances 0.000 title description 5
229910019142 PO4 Inorganic materials 0.000 claims abstract description 58
239000010452 phosphate Substances 0.000 claims abstract description 50
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 49
150000001412 amines Chemical class 0.000 claims abstract description 29
150000007524 organic acids Chemical class 0.000 claims abstract description 29
238000009826 distribution Methods 0.000 claims abstract description 6
230000001502 supplementing effect Effects 0.000 claims abstract 2
YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 claims description 32
239000003518 caustics Substances 0.000 claims description 23
PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 claims description 23
229920000642 polymer Polymers 0.000 claims description 23
238000000034 method Methods 0.000 claims description 22
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 10
229920002845 Poly(methacrylic acid) Polymers 0.000 claims description 9
150000001735 carboxylic acids Chemical class 0.000 claims description 8
229920001577 copolymer Polymers 0.000 claims description 8
ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims description 7
229920002125 Sokalan® Polymers 0.000 claims description 6
SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 5
NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 5
239000007864 aqueous solution Substances 0.000 claims description 4
CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical compound CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 claims description 3
230000015572 biosynthetic process Effects 0.000 claims description 2
LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims 3
239000000243 solution Substances 0.000 description 49
235000021317 phosphate Nutrition 0.000 description 43
239000011734 sodium Substances 0.000 description 32
238000012360 testing method Methods 0.000 description 20
BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 15
229940113083 morpholine Drugs 0.000 description 15
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 11
239000000523 sample Substances 0.000 description 11
229910052708 sodium Inorganic materials 0.000 description 11
239000000126 substance Substances 0.000 description 10
235000019801 trisodium phosphate Nutrition 0.000 description 10
239000002253 acid Substances 0.000 description 9
150000001875 compounds Chemical class 0.000 description 8
MCWXGJITAZMZEV-UHFFFAOYSA-N dimethoate Chemical compound CNC(=O)CSP(=S)(OC)OC MCWXGJITAZMZEV-UHFFFAOYSA-N 0.000 description 8
239000000203 mixture Substances 0.000 description 8
239000000047 product Substances 0.000 description 8
239000001488 sodium phosphate Substances 0.000 description 8
230000000153 supplemental effect Effects 0.000 description 8
230000003472 neutralizing effect Effects 0.000 description 7
RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical class [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 7
239000002270 dispersing agent Substances 0.000 description 6
230000000694 effects Effects 0.000 description 6
239000003795 chemical substances by application Substances 0.000 description 5
239000007858 starting material Substances 0.000 description 5
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
230000004907 flux Effects 0.000 description 4
XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
238000012423 maintenance Methods 0.000 description 4
239000000463 material Substances 0.000 description 4
230000007935 neutral effect Effects 0.000 description 4
150000003009 phosphonic acids Chemical class 0.000 description 4
150000003013 phosphoric acid derivatives Chemical class 0.000 description 4
229920000193 polymethacrylate Polymers 0.000 description 4
238000011160 research Methods 0.000 description 4
AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 4
235000011008 sodium phosphates Nutrition 0.000 description 4
159000000000 sodium salts Chemical class 0.000 description 4
239000011550 stock solution Substances 0.000 description 4
SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 description 3
230000000052 comparative effect Effects 0.000 description 3
-1 disodium hydrogen Chemical class 0.000 description 3
150000002500 ions Chemical class 0.000 description 3
235000005985 organic acids Nutrition 0.000 description 3
RLZZZVKAURTHCP-UHFFFAOYSA-N phenanthrene-3,4-diol Chemical compound C1=CC=C2C3=C(O)C(O)=CC=C3C=CC2=C1 RLZZZVKAURTHCP-UHFFFAOYSA-N 0.000 description 3
229910000162 sodium phosphate Inorganic materials 0.000 description 3
239000007787 solid Substances 0.000 description 3
239000013589 supplement Substances 0.000 description 3
229910000406 trisodium phosphate Inorganic materials 0.000 description 3
PYSGFFTXMUWEOT-UHFFFAOYSA-N 3-(dimethylamino)propan-1-ol Chemical compound CN(C)CCCO PYSGFFTXMUWEOT-UHFFFAOYSA-N 0.000 description 2
CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
238000010304 firing Methods 0.000 description 2
239000007789 gas Substances 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
239000002184 metal Substances 0.000 description 2
150000007530 organic bases Chemical class 0.000 description 2
238000002360 preparation method Methods 0.000 description 2
239000000377 silicon dioxide Substances 0.000 description 2
241000894007 species Species 0.000 description 2
150000003460 sulfonic acids Chemical class 0.000 description 2
239000008399 tap water Substances 0.000 description 2
235000020679 tap water Nutrition 0.000 description 2
RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
229920002126 Acrylic acid copolymer Polymers 0.000 description 1
101100352919 Caenorhabditis elegans ppm-2 gene Proteins 0.000 description 1
101100037762 Caenorhabditis elegans rnh-2 gene Proteins 0.000 description 1
QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical compound [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 1
241000233866 Fungi Species 0.000 description 1
239000004115 Sodium Silicate Substances 0.000 description 1
LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
238000009825 accumulation Methods 0.000 description 1
238000010306 acid treatment Methods 0.000 description 1
230000002378 acidificating effect Effects 0.000 description 1
230000001464 adherent effect Effects 0.000 description 1
230000002411 adverse Effects 0.000 description 1
229910021529 ammonia Inorganic materials 0.000 description 1
150000008064 anhydrides Chemical class 0.000 description 1
150000001450 anions Chemical class 0.000 description 1
239000002518 antifoaming agent Substances 0.000 description 1
238000013459 approach Methods 0.000 description 1
OJLLMZTZDWYXMZ-UHFFFAOYSA-L calcium sodium sulfite Chemical compound [Ca+2].S(=O)([O-])[O-].[Na+] OJLLMZTZDWYXMZ-UHFFFAOYSA-L 0.000 description 1
DTYCRHCCLVCUDT-UHFFFAOYSA-J calcium;magnesium;tetrachloride Chemical compound [Mg+2].[Cl-].[Cl-].[Cl-].[Cl-].[Ca+2] DTYCRHCCLVCUDT-UHFFFAOYSA-J 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
239000012141 concentrate Substances 0.000 description 1
238000009833 condensation Methods 0.000 description 1
230000005494 condensation Effects 0.000 description 1
230000007423 decrease Effects 0.000 description 1
230000008021 deposition Effects 0.000 description 1
238000005137 deposition process Methods 0.000 description 1
IUNMPGNGSSIWFP-UHFFFAOYSA-N dimethylaminopropylamine Chemical compound CN(C)CCCN IUNMPGNGSSIWFP-UHFFFAOYSA-N 0.000 description 1
230000009977 dual effect Effects 0.000 description 1
NFDRPXJGHKJRLJ-UHFFFAOYSA-N edtmp Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CCN(CP(O)(O)=O)CP(O)(O)=O NFDRPXJGHKJRLJ-UHFFFAOYSA-N 0.000 description 1
238000005187 foaming Methods 0.000 description 1
238000009472 formulation Methods 0.000 description 1
239000013505 freshwater Substances 0.000 description 1
125000000524 functional group Chemical group 0.000 description 1
238000005227 gel permeation chromatography Methods 0.000 description 1
239000011521 glass Substances 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
229920001519 homopolymer Polymers 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
238000007654 immersion Methods 0.000 description 1
238000009434 installation Methods 0.000 description 1
238000011835 investigation Methods 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
229910052943 magnesium sulfate Inorganic materials 0.000 description 1
235000019341 magnesium sulphate Nutrition 0.000 description 1
229920003145 methacrylic acid copolymer Polymers 0.000 description 1
229940117841 methacrylic acid copolymer Drugs 0.000 description 1
125000005395 methacrylic acid group Chemical group 0.000 description 1
XJRBAMWJDBPFIM-UHFFFAOYSA-N methyl vinyl ether Chemical compound COC=C XJRBAMWJDBPFIM-UHFFFAOYSA-N 0.000 description 1
229910000403 monosodium phosphate Inorganic materials 0.000 description 1
235000019799 monosodium phosphate Nutrition 0.000 description 1
229910000069 nitrogen hydride Inorganic materials 0.000 description 1
239000002674 ointment Substances 0.000 description 1
239000006174 pH buffer Substances 0.000 description 1
238000012856 packing Methods 0.000 description 1
DPBLXKKOBLCELK-UHFFFAOYSA-N pentan-1-amine Chemical compound CCCCCN DPBLXKKOBLCELK-UHFFFAOYSA-N 0.000 description 1
125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
QVLTXCYWHPZMCA-UHFFFAOYSA-N po4-po4 Chemical compound OP(O)(O)=O.OP(O)(O)=O QVLTXCYWHPZMCA-UHFFFAOYSA-N 0.000 description 1
229920000141 poly(maleic anhydride) Polymers 0.000 description 1
229920001467 poly(styrenesulfonates) Polymers 0.000 description 1
239000004584 polyacrylic acid Substances 0.000 description 1
229920001515 polyalkylene glycol Polymers 0.000 description 1
230000001376 precipitating effect Effects 0.000 description 1
239000002243 precursor Substances 0.000 description 1
239000005297 pyrex Substances 0.000 description 1
150000004760 silicates Chemical class 0.000 description 1
229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
235000019795 sodium metasilicate Nutrition 0.000 description 1
VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Inorganic materials [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 1
NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
229910052911 sodium silicate Inorganic materials 0.000 description 1
229940091252 sodium supplement Drugs 0.000 description 1
150000003440 styrenes Chemical class 0.000 description 1
SOBHUZYZLFQYFK-UHFFFAOYSA-K trisodium;hydroxy-[[phosphonatomethyl(phosphonomethyl)amino]methyl]phosphinate Chemical compound [Na+].[Na+].[Na+].OP(O)(=O)CN(CP(O)([O-])=O)CP([O-])([O-])=O SOBHUZYZLFQYFK-UHFFFAOYSA-K 0.000 description 1
239000012498 ultrapure water Substances 0.000 description 1
229920002554 vinyl polymer Polymers 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

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Preventing Corrosion Or Incrustation Of Metals (AREA)

CA332,878A 1979-04-02 1979-07-31 Traitement anticorrosion des eaux de chaudiere Expired CA1114595A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US2627379A	1979-04-02	1979-04-02
US026,273		1987-03-16

Publications (1)

Publication Number	Publication Date
CA1114595A true CA1114595A (fr)	1981-12-22

Family

ID=21830852

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA332,878A Expired CA1114595A (fr)	1979-04-02	1979-07-31	Traitement anticorrosion des eaux de chaudiere

Country Status (5)

Country	Link
EP (1)	EP0018083B1 (fr)
AU (1)	AU532452B2 (fr)
CA (1)	CA1114595A (fr)
DE (1)	DE3070190D1 (fr)
NZ (1)	NZ193147A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4303568A (en) *	1979-12-10	1981-12-01	Betz Laboratories, Inc.	Corrosion inhibition treatments and method
CA1217691A (fr)	1983-04-15	1987-02-10	William M. Hann	Detartrage aux polymeres de faible masse moleculaire pour systemes aqueux
US4814406A (en) *	1986-02-28	1989-03-21	Katayama Chemical Works Ltd.	Scale inhibitor
US5273773A (en) *	1987-07-06	1993-12-28	Katayama Chemical Works Co., Ktd.	Protein partial degradation products
US5274079A (en) *	1987-07-27	1993-12-28	Katayama Chemical Works Co., Ltd.	Protein partial degradation products that are useful as surface active agents and dispersing agents
US5141716A (en) *	1989-10-25	1992-08-25	Betz Laboratories, Inc.	Method for mitigation of caustic corrosion in coordinated phosphate/ph treatment programs for boilers
US5019342A (en) *	1989-10-25	1991-05-28	Betz Laboratories, Inc.	Method for mitigation of caustic corrosion in coordinated phosphate/ph treatment programs for boilers
US5864596A (en) *	1996-07-10	1999-01-26	Commonwealth Edison Company	Polymer dispersants and methods of use in a nuclear steam generator
AU7872598A (en) *	1996-12-23	1998-07-17	Combustion Engineering Inc.	Feedwater pH control for steam generators
JP2011174173A (ja) *	2010-01-28	2011-09-08	Kurita Water Ind Ltd	ボイラ用防食剤

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL242077A (fr) *	1958-03-27
US3837803A (en) *	1972-07-11	1974-09-24	Betz Laboratories	Orthophosphate corrosion inhibitors and their use
US3992318A (en) *	1973-10-09	1976-11-16	Drew Chemical Corporation	Corrosion inhibitor

1979
- 1979-07-31 CA CA332,878A patent/CA1114595A/fr not_active Expired
1980
- 1980-03-12 AU AU56366/80A patent/AU532452B2/en not_active Ceased
- 1980-03-17 NZ NZ19314780A patent/NZ193147A/xx unknown
- 1980-03-18 DE DE8080300809T patent/DE3070190D1/de not_active Expired
- 1980-03-18 EP EP19800300809 patent/EP0018083B1/fr not_active Expired

Also Published As

Publication number	Publication date
EP0018083B1 (fr)	1985-02-20
AU532452B2 (en)	1983-09-29
DE3070190D1 (en)	1985-03-28
NZ193147A (en)	1982-05-31
AU5636680A (en)	1980-10-09
EP0018083A1 (fr)	1980-10-29

Legal Events

Date	Code	Title	Description
1998-12-22	MKEX	Expiry

Publication	Publication Date	Title
AU635102B2 (en)	1993-03-11	Methods of controlling scale formation in aqueous systems
JP2916000B2 (ja)	1999-07-05	ある種のホスホノメチルアミン類を用いる水性系における腐食の抑制
US4303568A (en)	1981-12-01	Corrosion inhibition treatments and method
US3890228A (en)	1975-06-17	Polyacrylate-polyphosphonic acid treatment in aqueous systems
KR100342269B1 (ko)	2003-01-24	산소 소거제 및 보일러수 처리용 화학물질
CA1114595A (fr)	1981-12-22	Traitement anticorrosion des eaux de chaudiere
KR0153475B1 (ko)	1998-11-16	보일러의 물처리제 및 물처리방법
US3959167A (en)	1976-05-25	Method and composition of inhibiting scale
JPH03254898A (ja)	1991-11-13	ある種のホスホノメチルアミン類を用いる水性系におけるスケールの抑制
NZ237800A (en)	1992-01-29	Treatment of water to control deposits and corrosion by adding carbon dioxide together with other corrosion and scale inhibitors
EP0437722B1 (fr)	1994-09-14	Contrôle de la corrosion dans des systèmes aqueux par certains oxydes d'amine phosphonométhylés
CA1219511A (fr)	1987-03-24	Methode et produit d'inhibition de l'entartrage
US3666664A (en)	1972-05-30	Compositions and methods for controlling scale
US10287199B2 (en)	2019-05-14	Use of phosphotartaric acid and the salts thereof for the treatment of water in water-conducting systems
AU623559B2 (en)	1992-05-14	N,n-bis-phosphonomethyl taurine n-oxide and water soluble salts thereof
JP3112956B2 (ja)	2000-11-27	ある種のホスホノメチルアミンオキシド類を用いる水性系におけるスケールの抑制
EP0538969A2 (fr)	1993-04-28	Composition et procédé pour inhiber l'incrustation et la corrosion, utilisant des acides naphthylamine polycarboxyliques
AU649149B2 (en)	1994-05-12	Inhibition of scale formation and corrosion by sulfonated organophosphonates
US5096595A (en)	1992-03-17	Control of scale in aqueous systems using certain phosphonomethyl amine oxides
CA2075243C (fr)	2000-12-12	Methode de dispersion de fer
IT8322635A1 (it)	1985-02-24	Composizione e metodo per impedire la formazione di incrostazioni
CA2065201A1 (fr)	1992-10-09	Methode de prevention/reduction de la formation de tartre, de la corrosion et de la proliferation de micro-organismes dans des reseaux d'eau
EP0309049A1 (fr)	1989-03-29	Procédé pour le réglage de dépôts de carbonate de calcium dans des systèmes aqueux à haut pH utilisant des polymères carboxyliques/sulfoniques
RU2519685C1 (ru)	2014-06-20	Способ получения ингибитора коррозии
EP0046078A1 (fr)	1982-02-17	Inhibition de l'entartrage