CA1153726A - Process for scale inhibition in evaporative desalination units - Google Patents
Process for scale inhibition in evaporative desalination unitsInfo
- Publication number
- CA1153726A CA1153726A CA000331471A CA331471A CA1153726A CA 1153726 A CA1153726 A CA 1153726A CA 000331471 A CA000331471 A CA 000331471A CA 331471 A CA331471 A CA 331471A CA 1153726 A CA1153726 A CA 1153726A
- Authority
- CA
- Canada
- Prior art keywords
- copolymer
- water
- scale
- desalination units
- acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 19
- 230000005764 inhibitory process Effects 0.000 title abstract description 13
- 229920001577 copolymer Polymers 0.000 claims abstract description 29
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- UIIIBRHUICCMAI-UHFFFAOYSA-N prop-2-ene-1-sulfonic acid Chemical compound OS(=O)(=O)CC=C UIIIBRHUICCMAI-UHFFFAOYSA-N 0.000 claims abstract description 13
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000011976 maleic acid Substances 0.000 claims abstract description 12
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims abstract description 11
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000002401 inhibitory effect Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 22
- 235000010216 calcium carbonate Nutrition 0.000 description 11
- 229910000019 calcium carbonate Inorganic materials 0.000 description 11
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 10
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 10
- 239000000347 magnesium hydroxide Substances 0.000 description 10
- 235000012254 magnesium hydroxide Nutrition 0.000 description 10
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 10
- 229960000816 magnesium hydroxide Drugs 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 7
- 229960003563 calcium carbonate Drugs 0.000 description 6
- 239000011777 magnesium Substances 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 239000001530 fumaric acid Substances 0.000 description 5
- 229910052749 magnesium Inorganic materials 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000003643 water by type Substances 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 229960005069 calcium Drugs 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 235000001055 magnesium Nutrition 0.000 description 3
- 229940091250 magnesium supplement Drugs 0.000 description 3
- 230000003405 preventing effect Effects 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical group [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- -1 alkali metal salts Chemical class 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- MFMNADOFNGXVAW-UHFFFAOYSA-N 2-[carboxymethyl(dodecyl)amino]acetic acid Chemical compound CCCCCCCCCCCCN(CC(O)=O)CC(O)=O MFMNADOFNGXVAW-UHFFFAOYSA-N 0.000 description 1
- JBQLEOVLESZWKQ-KTKRTIGZSA-N 2-[carboxymethyl-[(z)-octadec-9-enyl]amino]acetic acid Chemical compound CCCCCCCC\C=C/CCCCCCCCN(CC(O)=O)CC(O)=O JBQLEOVLESZWKQ-KTKRTIGZSA-N 0.000 description 1
- JHUFGBSGINLPOW-UHFFFAOYSA-N 3-chloro-4-(trifluoromethoxy)benzoyl cyanide Chemical compound FC(F)(F)OC1=CC=C(C(=O)C#N)C=C1Cl JHUFGBSGINLPOW-UHFFFAOYSA-N 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
- 229910019142 PO4 Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 241001237728 Precis Species 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 235000012206 bottled water Nutrition 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 229940000425 combination drug Drugs 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-M ethenesulfonate Chemical compound [O-]S(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-M 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002455 scale inhibitor Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/042—Prevention of deposits
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
Landscapes
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US94566178A | 1978-09-25 | 1978-09-25 | |
| US945,661 | 1978-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1153726A true CA1153726A (en) | 1983-09-13 |
Family
ID=25483394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000331471A Expired CA1153726A (en) | 1978-09-25 | 1979-07-10 | Process for scale inhibition in evaporative desalination units |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0009304B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JPS5544390A (cg-RX-API-DMAC7.html) |
| CA (1) | CA1153726A (cg-RX-API-DMAC7.html) |
| DE (1) | DE2962953D1 (cg-RX-API-DMAC7.html) |
| ES (1) | ES484289A1 (cg-RX-API-DMAC7.html) |
| IL (1) | IL57742A (cg-RX-API-DMAC7.html) |
| MX (1) | MX151528A (cg-RX-API-DMAC7.html) |
| ZA (1) | ZA793301B (cg-RX-API-DMAC7.html) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4600524A (en) * | 1983-12-08 | 1986-07-15 | W. R. Grace & Co. | Composition and method for inhibiting scale |
| US4631131A (en) * | 1983-12-08 | 1986-12-23 | R. W. Grace & Co. | Method for inhibiting scale |
| GB2152919B (en) * | 1983-12-08 | 1987-08-26 | Dearborn Chemicals Co | Method of controlling scale in pressurised boilers |
| ATE81111T1 (de) * | 1988-08-01 | 1992-10-15 | Calgon Corp | Verfahren zur kesselsteinbekaempfung mittels allylsulfonat-maleinsaeureanhydridpolymeren. |
| SE9502198L (sv) * | 1995-06-16 | 1996-12-17 | Eka Chemicals Ab | Upplösning av inkruster vid indunstning av surt och alkaliskt avloppsvatten |
| FI20096408L (fi) * | 2009-12-30 | 2011-07-01 | Kemira Oyj | Dispersioainekoostumus, sen käyttö ja sitä käsittävä päällystyskoostumus ja menetelmä päällystyskoostumuksen tai lietteen viskositeettiominaisuuksien parantamiseksi |
| WO2021117134A1 (en) | 2019-12-10 | 2021-06-17 | Kurita Water Industries Ltd. | Copolymers suitable for reducing the formation of magnesium hydroxide containing scale |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3879288A (en) * | 1970-07-01 | 1975-04-22 | Frederick Herman Siegele | Process of inhibiting scale formation on walls of structures containing an aqueous system |
| US3706717A (en) * | 1970-07-01 | 1972-12-19 | American Cyanamid Co | Copolymers of fumaric acid and allyl sulfonic acid |
-
1979
- 1979-07-03 ZA ZA793301A patent/ZA793301B/xx unknown
- 1979-07-08 IL IL57742A patent/IL57742A/xx not_active IP Right Cessation
- 1979-07-10 CA CA000331471A patent/CA1153726A/en not_active Expired
- 1979-07-11 DE DE7979301363T patent/DE2962953D1/de not_active Expired
- 1979-07-11 EP EP79301363A patent/EP0009304B1/en not_active Expired
- 1979-07-27 MX MX178666A patent/MX151528A/es unknown
- 1979-09-19 ES ES484289A patent/ES484289A1/es not_active Expired
- 1979-09-20 JP JP12022679A patent/JPS5544390A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| EP0009304B1 (en) | 1982-05-26 |
| ES484289A1 (es) | 1980-04-01 |
| MX151528A (es) | 1984-12-13 |
| EP0009304A1 (en) | 1980-04-02 |
| IL57742A0 (en) | 1979-11-30 |
| DE2962953D1 (en) | 1982-07-15 |
| ZA793301B (en) | 1980-06-25 |
| IL57742A (en) | 1983-02-23 |
| JPS5544390A (en) | 1980-03-28 |
| JPS6224160B2 (cg-RX-API-DMAC7.html) | 1987-05-27 |
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| US3879288A (en) | Process of inhibiting scale formation on walls of structures containing an aqueous system | |
| US4342652A (en) | Process for scale inhibition in evaporative desalination units | |
| US3706717A (en) | Copolymers of fumaric acid and allyl sulfonic acid | |
| US4671888A (en) | Polyelectrolyte and surfactant compositions for controlling alkaline earth metal scales | |
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| DE3445314C2 (de) | Zusammensetzung zur Unterdrückung der Kesselsteinbildung und Verwendung derselben | |
| US5000856A (en) | Method for controlling scale deposition in aqueous systems using allyl sulfonate/maleic anhydride polymers | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |