DE3240780A1 - Verfahren zur kesselspeisewasser-aufbereitung und hierfuehr geeignetes mittel - Google Patents
Verfahren zur kesselspeisewasser-aufbereitung und hierfuehr geeignetes mittelInfo
- Publication number
- DE3240780A1 DE3240780A1 DE19823240780 DE3240780A DE3240780A1 DE 3240780 A1 DE3240780 A1 DE 3240780A1 DE 19823240780 DE19823240780 DE 19823240780 DE 3240780 A DE3240780 A DE 3240780A DE 3240780 A1 DE3240780 A1 DE 3240780A1
- Authority
- DE
- Germany
- Prior art keywords
- polymer
- ppm
- water
- soluble
- vinyl
- 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.)
- Granted
Links
Classifications
-
- 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
- C02F5/12—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 nitrogen
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Supply & Treatment (AREA)
- General Chemical & Material Sciences (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Cookers (AREA)
- Paper (AREA)
- Removal Of Specific Substances (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
25
10
% aktives | MG | C.V.* | Mo !ver | |
Produkt | Mittel | 292 | 347 | hältnis |
EDTA | 100 | 191 | 541 | 1,01 |
NTA | 100 | 192 | 392 | 1,03 |
Citronensäure | 100 | 0,75 | ||
1,2,4-Tricarboxy- | 256 | 610 | ||
2-phosphono-butan | 50 | 1,56 | ||
Amino-tri-(methylen- | 299 | 559 | ||
phosphonsäure) | 50 | 1,67 | ||
Diethylen-triamin- | ||||
penta(methylen- | 573 | 701 | ||
phosphonsäure) | 50 | 4,01 | ||
23 | 492 | 75 | 282 | 1,39 |
60 | 206 | 6 " " | 961 | 1,98 |
00 | 368 | _ | 553 | 1,4 |
25, | 5 1000-5000 | 479 | 13,9 | |
(i.M. 2300) | ||||
50 | 2500-7500 | 374 | 19,1 | |
(i.M. 5100) | ||||
00 | 1000-2000 | 294 | 4,7 | |
(i.M. 1600) | ||||
25 | 2500-7500 | 386 | 18,9 | |
(i.M. 4900) | ||||
65 | 1000-3000 | 300 | 6,3 | |
(i.M. 2100) | ||||
50 | nicht bekannt | 300 | - | |
22, | 291 | - | ||
31, | 252 | - | ||
145 |
IA-56 63 | 9 | Tabelle | 1 (Forts.) | I 1 I I |
% aktives Mittel MG |
e.V.* | : Molver hältnis |
||
Produkt | - | 105 19 |
- | |
Polymer Polymer |
J K |
|||
i.M.= im Mittel
Produkt | % aktives Mittel | MG | C.V.* | MolVerhältnis | Ä-56 63 9 |
EDTA Säure | 100 | 292 | 345 | 1,01 | |
NTA Säure | 100 | 191 | 461 | 0,83 | |
Citronensäure | 100 | 192 | 762 | 1,46 | |
Polymer A | 25,5 | — | 910 | __ | I V |
Polymer B | 50 | 2500-7500 (i.M. 5100) |
691 | 35 | 3 I |
Polymer C** | 100 | 1000-2000 (i.M. 1600) |
281 | 4,5 | |
Polymer D | 2 5 | 2500-7500 (i.M. 4900) |
603 | 29,5 | |
Polymer E | 65 | 1000-3000 (i.M. 2100) |
527 | 9,5 | |
Polymer F | 50 | -- | 607 | __ | |
Polymer G | 22,75 | — | 291 | -- | |
Polymer H | 31,6 | 493 | —"" |
i.M. = im Mittel
Versuch 1
Zusatzver | % entferntes | 16 | % entferntes | |
Zusatz | hältnis* | Ca | 41 | Mg |
Masse I | 0,53 | 75 | Spuren | |
1,05 | 40 | 6 | ||
2,1 | 129 | 47 | ||
3,15 | 66 | 33 | ||
6,3 | 84 | 141 | ||
Masse III | 4,8 | 106 | 44 | |
6,72 | 73 | |||
8,64 | 104 |
118
101
IA-56 63 9 | Zusatzver hältnis |
% entferntes ' Ca |
% entferntes Mg |
Zusatz | 8,64 | 122 | 114 |
Masse II | 4,2 | 90 | 78 |
Masse I | 5,25 | 96 | 89 |
6,3 | 107 | 107 | |
7,25 | 109 | 117 | |
8,09 | 107 | 112 | |
9,03 | 104 | 109 | |
8,64 | 102 | 105 | |
Masse III | 9,6 | 99 | 106 |
8,64 9,6 |
101 102 |
102 108 |
|
Masse III + 1 ppm Masse VII |
8,64-9,5 | 127 | 118 |
Masse VI | 8,64 | 82 | 120 |
Masse V | 8,64 | 112 | 105 |
Masse IV | |||
Zusatzver | % entferntes | 104 | % entferntes | |
Zusatz | hältnis | Ca | 87 | Mg |
Masse IV | 0,15 | 41 | Spuren | |
0,3 | 94 | Spuren | ||
0,6 | 87 | Spuren | ||
1,2 | 120 | '.8 | ||
2,4 | 41 | |||
4,8 | 132 |
IA-56 63 9 | Zusatzver | - &- | 67 | % entferntes |
hältnis | % entferntes | 55 | Mg | |
Zusatz | 0,15 | Ca | 42 | Spuren |
Masse III | 0,3 | 73 | Spuren | |
0,6 | 53 | Spuren | ||
1,2 | 93 | 4 | ||
2,4 | 64 | 29 | ||
4,8 | 57 | 90 | ||
0,15 | 42 | Spuren | ||
Masse VI | 0,3 | 72 | Spuren | |
0,6 | 67 | Spuren | ||
1,2 | 104 | Spuren | ||
2,4 | 53 | 32 | ||
4,8 | 54 | 86 | ||
0,3 | 114 | Spuren | ||
Masse VIII | 4,8 | Spuren | ||
25,0 | 16 | |||
IA-56 639 | Zugabe- menge |
- 2* - | % entferntes Mg |
Zugabe | 15,75 | % entferntes Ca |
105 |
Masse I | 21,0 | 89 | 108 |
26,25 | 99 | 107 | |
99 | |||
172,5 N/cm2 ergaben sich keine Probleme mit der Wasserhärte, wenn eine Wärmestromdichte von 358,6 kW/m2 eingehalten wurde.
42,6 ppm Na„SO., 10 ppm NaCl, 5 ppm SiC>2 , 1 ppm Fe und ausreichend NaHCO, für eine Alkalinität M= 40 im Speise
Zugabe menge |
% Ca | % Mg | Entfernung % SiO2 |
% Fe | % Na2SO4 |
5,04 | 116 | 87 | 101 | 94 | 113 |
10,08 | 113 | 107 | 95 | 95 | 111 |
20,16 | 115 | 122 | 92 | 96 | 109 |
IA-56 63 9 | % Ca | % Mg | - VT- | % Fe | % Na3SO4 |
Zugabe- menge |
113 | 57 | % SiO2 | 96 | 107 |
3,78 | 112 | 79 | 83 | 91 | 116 |
7,56 | 113 | 136 | 88 | 85 | 116 |
15,12 | 99 | ||||
Mg | SiO2 | Entfernung | % Mg | % SiO0 | Fe | durch | durch | |
Ca | ppm | ppm | % Ca | ppm | AA | Titration | ||
ppm | 0,5 | 0,5 | 112 | 102 | 0,5 | 17,2 | 16,6 | |
1,0 | 1,0 | 1,0 | 116 | 66 | 62 | 0,4 | 20,7 | 19,5 |
2,0 | 0,5 | 1,0 | 70 | 102 | 97 | 0,3 | 16,2 | |
1,0 | 2,5 | 2,5 | 111 | 32 | 45 | 0,3 | 27,2 | 26,5 |
5,0 | 0,5 | 0,5 | 39 | 128 | 134 | 0,1 | 18,1 | |
1,0 | 116 | |||||||
Zugabe | Zugabe verhältnis |
Ca/Mg/SiO«, ppm im Speisewasser |
Entfernung % Ca % Mg |
114 |
Masse II | 8,64 | 1/0,5/0,5 | 122 | 101 |
6,72 | 1/0,5/0,5 | 118 | 87 | |
6,72 | 0,5/1/0,5 | 146 | 82 | |
6,72 | 0,5/1/2,0 | 147 | 107 | |
Masse IV | 8,64 | 1,0/0,5/0,5 | 132 | 95 |
8,46 | 0,5/1/0,5 | 109 | 81 | |
8,64 | 0,5/1/2,0 | 94 | 84 | |
17,28 | 2/1/1 | 91 |
Zugabe verhältnis |
Entfernung | % SiO2 | Fe ppm | Gesamt-Harte | durch Titration |
% Ca | % Mg | 112 | Spuren | durch AA |
12,8 |
3,93 88 | 71 | 104 | Spuren | 12,7 | 17,8 |
7,88 140 | 183 | 156 | 0,6 | 21,2 | 24,6 |
15,75 168 | 218 | 27,7 | |||
Versuch 2 |
angenommener
Härte von Ca
1 ppm) ppm
23, | 63 |
47, | 25 |
70, | 88 |
PO | 7 | durch | 4 | durch | 4 |
ppm | 2 | AA | 9 | 1 | |
10, | 1 | 23, | 7 | .Titration | 3 |
12, | 35, | 23, | |||
16, | 46, | 24, | |||
44, | |||||
nach | Ca ppm | Mg ppm | SiO2 ppm | Fe ppm |
Tagen | 3,6 | 5,0 | 11,5 | 5,8 |
0 | 1,8 | 1/7 | 2,9 | 1,3 |
5 | 1,7 | 1,4 | 1,5 | 1,4 |
6 | 2,1 | 1,4 | 1,1 | 0,9 |
7 | 2,2 | 1,3 | 0,5 | 1,2 |
8 | ||||
Zugabemenge | 88 |
7, | 5 |
10, | 12 |
13, |
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31866581A | 1981-11-05 | 1981-11-05 | |
US06382567 US4457847B2 (en) | 1981-11-05 | 1982-05-28 | Carboxylate polymers for internal scale control agents in boiler systems |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3240780A1 true DE3240780A1 (de) | 1983-05-11 |
DE3240780C2 DE3240780C2 (de) | 1989-08-31 |
Family
ID=26981609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19823240780 Granted DE3240780A1 (de) | 1981-11-05 | 1982-11-04 | Verfahren zur kesselspeisewasser-aufbereitung und hierfuehr geeignetes mittel |
Country Status (10)
Country | Link |
---|---|
AT (1) | AT386594B (de) |
AU (1) | AU555892B2 (de) |
CA (1) | CA1198027A (de) |
DE (1) | DE3240780A1 (de) |
ES (1) | ES8500192A1 (de) |
FR (1) | FR2515631B1 (de) |
GB (1) | GB2110659B (de) |
IT (1) | IT1149113B (de) |
MX (1) | MX160592A (de) |
SE (1) | SE450954B (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4936987A (en) * | 1983-03-07 | 1990-06-26 | Calgon Corporation | Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers |
CA1258963A (en) * | 1983-03-07 | 1989-09-05 | Bennett P. Boffardi | Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers |
US4640793A (en) * | 1984-02-14 | 1987-02-03 | Calgon Corporation | Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers |
GB8506615D0 (en) * | 1985-03-14 | 1985-04-17 | British Petroleum Co Plc | Scale inhibitors |
US4717543A (en) * | 1986-08-04 | 1988-01-05 | Calgon Corporation | Method of inhibiting the corrosion of copper and copper alloys |
US4719082A (en) * | 1986-08-15 | 1988-01-12 | Nalco Chemical Company | Vinyl sulfonic acid - methacrylic acid copolymer passivators for high pressure boilers |
US4898677A (en) * | 1986-11-10 | 1990-02-06 | National Starch And Chemical Corporation | Process for inhibiting scale formation and modifying the crystal structure of barium sulfate and other inorganic salts |
US5135661A (en) * | 1989-03-21 | 1992-08-04 | Suresh Patel | Process for treating water or aqueous systems |
US4937002A (en) * | 1989-06-12 | 1990-06-26 | National Starch And Chemical Investment Holding Corporation | Interpolymers for barium sulphate inhibition |
GB2236314A (en) * | 1989-09-06 | 1991-04-03 | Grace W R & Co | Inhibition of deposition in aqueous systems. |
AU5667394A (en) * | 1993-11-11 | 1995-05-29 | Marathon Oil Company | Inhibition of scale growth utilizing a dual polymer composition |
CN114262072A (zh) * | 2019-01-31 | 2022-04-01 | 陈建华 | 一种煤气化黑灰水自适应降硬型灰水阻垢分散剂和应用 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2327302A (en) * | 1940-07-13 | 1943-08-17 | Du Pont | Soap composition |
GB772775A (en) * | 1954-06-04 | 1957-04-17 | Monsanto Chemicals | A process for treating hard water |
US3117577A (en) * | 1960-02-04 | 1964-01-14 | Jeanette Elaine J Mosier | Sanitary napkin and holder |
US3285886A (en) * | 1961-07-17 | 1966-11-15 | Grace W R & Co | Threshold treatment of water with water dispersible complexing polymers |
DE2405192A1 (de) * | 1973-02-14 | 1974-08-29 | Ciba Geigy Ag | Verfahren zur behandlung von wasser |
US3879288A (en) * | 1970-07-01 | 1975-04-22 | Frederick Herman Siegele | Process of inhibiting scale formation on walls of structures containing an aqueous system |
US3904685A (en) * | 1973-07-20 | 1975-09-09 | Celanese Corp | Polyacrylic acid having high chelation value and its production |
DE2802709A1 (de) * | 1978-01-23 | 1979-07-26 | American Cyanamid Co | Verfahren zur bekaempfung der ablagerung von haftendem kesselstein und mittel zu seiner durchfuehrung |
DE3022924A1 (de) * | 1979-06-19 | 1981-01-22 | Kurita Water Ind Ltd | Verfahren zur entfernung von kesselstein |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB724683A (en) * | 1952-05-16 | 1955-02-23 | Goodrich Co B F | Improvements in or relating to a boiler water treating composition |
US2980610A (en) * | 1956-07-13 | 1961-04-18 | Monsanto Chemicals | Process for treating water |
NL7400160A (de) * | 1973-01-08 | 1974-07-10 | ||
DE2643422A1 (de) * | 1976-09-21 | 1978-03-30 | Kurita Water Ind Ltd | Wasserbehandlungsmittel und verfahren zur behandlung von wasser |
US4072607A (en) * | 1976-10-26 | 1978-02-07 | American Cyanamid Company | Preparation of anionic polymers for use as scale inhibitors and anti-precipitants |
US4048066A (en) * | 1976-11-17 | 1977-09-13 | Chemed Corporation | Method of inhibiting scale |
DE3230291A1 (de) * | 1981-08-18 | 1983-03-03 | Dearborn Chemicals Ltd., Widnes, Cheshire | Zusammensetzung zur verhinderung von kesselstein in waessrigen systemen |
-
1982
- 1982-10-20 AU AU89636/82A patent/AU555892B2/en not_active Ceased
- 1982-10-28 FR FR828218095A patent/FR2515631B1/fr not_active Expired
- 1982-10-29 GB GB08231071A patent/GB2110659B/en not_active Expired
- 1982-11-04 CA CA000414941A patent/CA1198027A/en not_active Expired
- 1982-11-04 ES ES517116A patent/ES8500192A1/es not_active Expired
- 1982-11-04 DE DE19823240780 patent/DE3240780A1/de active Granted
- 1982-11-04 IT IT49421/82A patent/IT1149113B/it active
- 1982-11-04 SE SE8206274A patent/SE450954B/sv not_active IP Right Cessation
- 1982-11-04 MX MX195054A patent/MX160592A/es unknown
- 1982-11-05 AT AT0405082A patent/AT386594B/de not_active IP Right Cessation
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2327302A (en) * | 1940-07-13 | 1943-08-17 | Du Pont | Soap composition |
GB772775A (en) * | 1954-06-04 | 1957-04-17 | Monsanto Chemicals | A process for treating hard water |
US3117577A (en) * | 1960-02-04 | 1964-01-14 | Jeanette Elaine J Mosier | Sanitary napkin and holder |
US3285886A (en) * | 1961-07-17 | 1966-11-15 | Grace W R & Co | Threshold treatment of water with water dispersible complexing polymers |
US3879288A (en) * | 1970-07-01 | 1975-04-22 | Frederick Herman Siegele | Process of inhibiting scale formation on walls of structures containing an aqueous system |
DE2405192A1 (de) * | 1973-02-14 | 1974-08-29 | Ciba Geigy Ag | Verfahren zur behandlung von wasser |
US3904685A (en) * | 1973-07-20 | 1975-09-09 | Celanese Corp | Polyacrylic acid having high chelation value and its production |
DE2802709A1 (de) * | 1978-01-23 | 1979-07-26 | American Cyanamid Co | Verfahren zur bekaempfung der ablagerung von haftendem kesselstein und mittel zu seiner durchfuehrung |
DE3022924A1 (de) * | 1979-06-19 | 1981-01-22 | Kurita Water Ind Ltd | Verfahren zur entfernung von kesselstein |
Non-Patent Citations (4)
Title |
---|
"Hawaiian Sugar Technologists", 1966 Reports, 25·t··h· Amual Conference, S. 16-18 * |
"Water-Formed Scale Deposits", Gulf Publishing Company, 1976, S. 285 * |
Industrial Water Enginuring, Dez. 1967, S. 22-25 * |
VGB Kraftwerkstechnik 58, 1978, 5, S. 378-381 * |
Also Published As
Publication number | Publication date |
---|---|
FR2515631A1 (fr) | 1983-05-06 |
ATA405082A (de) | 1988-02-15 |
ES517116A0 (es) | 1984-10-01 |
SE8206274D0 (sv) | 1982-11-04 |
AU8963682A (en) | 1983-05-12 |
SE450954B (sv) | 1987-08-17 |
CA1198027A (en) | 1985-12-17 |
DE3240780C2 (de) | 1989-08-31 |
GB2110659A (en) | 1983-06-22 |
AT386594B (de) | 1988-09-12 |
SE8206274L (sv) | 1983-05-06 |
ES8500192A1 (es) | 1984-10-01 |
FR2515631B1 (fr) | 1989-12-08 |
IT8249421A0 (it) | 1982-11-04 |
IT1149113B (it) | 1986-12-03 |
AU555892B2 (en) | 1986-10-16 |
GB2110659B (en) | 1985-09-04 |
MX160592A (es) | 1990-03-27 |
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8363 | Opposition against the patent | ||
8331 | Complete revocation | ||
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