NL6511587A - - Google Patents
Info
- Publication number
- NL6511587A NL6511587A NL6511587A NL6511587A NL6511587A NL 6511587 A NL6511587 A NL 6511587A NL 6511587 A NL6511587 A NL 6511587A NL 6511587 A NL6511587 A NL 6511587A NL 6511587 A NL6511587 A NL 6511587A
- Authority
- NL
- Netherlands
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
-
- 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
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- 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
- C02F5/125—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 combined with inorganic substances
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- 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)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Removal Of Specific Substances (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US399397A US3235324A (en) | 1964-09-25 | 1964-09-25 | Boiler protection |
Publications (1)
Publication Number | Publication Date |
---|---|
NL6511587A true NL6511587A (xx) | 1966-03-28 |
Family
ID=23579347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6511587A NL6511587A (xx) | 1964-09-25 | 1965-09-06 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3235324A (xx) |
DE (1) | DE1517411A1 (xx) |
GB (1) | GB1063978A (xx) |
NL (1) | NL6511587A (xx) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3368969A (en) * | 1965-06-25 | 1968-02-13 | Shell Oil Co | Method of monitoring and controlling water hardness |
US3971734A (en) * | 1973-08-28 | 1976-07-27 | Nl Industries, Inc. | Sulfite compositions, aqueous sulfite solutions and method of decreasing their rate of oxidation |
US4019859A (en) * | 1976-09-20 | 1977-04-26 | Betz Laboratories, Inc. | Triethylene tetramine stabilization of cobalt catalyzed sulfite solutions and use thereof in controlling oxygen corrosion in boiler water systems |
US4132526A (en) * | 1976-11-12 | 1979-01-02 | Betz Laboratories, Inc. | Process for protecting asbestos-cement bearing surfaces in recirculating cooling water systems |
GB2008081B (en) * | 1977-10-05 | 1982-06-09 | Otsuka Chemical Co Ltd | Process for disoxidating gas or water |
GR75031B (xx) * | 1980-09-10 | 1984-07-12 | Robert H Elliott Jr | |
US4454046A (en) * | 1982-09-07 | 1984-06-12 | The Dow Chemical Company | Boiler scale prevention employing an organic chelant |
JP3172744B2 (ja) * | 1992-12-25 | 2001-06-04 | 栗田工業株式会社 | ボイラ用薬剤 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2396938A (en) * | 1944-01-22 | 1946-03-19 | Martin Dennis Company | Method of treating boilers |
-
1964
- 1964-09-25 US US399397A patent/US3235324A/en not_active Expired - Lifetime
-
1965
- 1965-08-31 DE DE19651517411 patent/DE1517411A1/de active Pending
- 1965-09-06 NL NL6511587A patent/NL6511587A/xx unknown
- 1965-09-22 GB GB40450/65A patent/GB1063978A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1063978A (en) | 1967-04-05 |
US3235324A (en) | 1966-02-15 |
DE1517411A1 (de) | 1969-04-30 |