SE8204843L - Reningsforfarande - Google Patents
ReningsforfarandeInfo
- Publication number
- SE8204843L SE8204843L SE8204843A SE8204843A SE8204843L SE 8204843 L SE8204843 L SE 8204843L SE 8204843 A SE8204843 A SE 8204843A SE 8204843 A SE8204843 A SE 8204843A SE 8204843 L SE8204843 L SE 8204843L
- Authority
- SE
- Sweden
- Prior art keywords
- metal
- purification process
- glass
- chelant
- passivation
- Prior art date
Links
- 238000000746 purification Methods 0.000 title 1
- 239000002184 metal Substances 0.000 abstract 3
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 abstract 2
- 239000011521 glass Substances 0.000 abstract 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 abstract 1
- 239000013522 chelant Substances 0.000 abstract 1
- 239000002270 dispersing agent Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 238000002161 passivation Methods 0.000 abstract 1
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
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/19—Iron or steel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Detergent Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US34023182A | 1982-01-18 | 1982-01-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8204843D0 SE8204843D0 (sv) | 1982-08-24 |
SE8204843L true SE8204843L (sv) | 1983-07-19 |
Family
ID=23332438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8204843A SE8204843L (sv) | 1982-01-18 | 1982-08-24 | Reningsforfarande |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS58123000A (de) |
CA (1) | CA1199550A (de) |
DE (1) | DE3232263A1 (de) |
ES (1) | ES8402884A1 (de) |
FR (1) | FR2521159B1 (de) |
GB (1) | GB2113254B (de) |
IT (1) | IT1157343B (de) |
SE (1) | SE8204843L (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3377642D1 (en) * | 1983-04-12 | 1988-09-15 | Chemed Corp | Method of removing scale |
US4726907A (en) * | 1983-08-10 | 1988-02-23 | Nuclear Technology Corp | Hydrazides of amino-polyacetic acids as chelants |
US4775491A (en) * | 1983-08-10 | 1988-10-04 | Nuclear Technology Corp. | Hydrazides of amino-polyacetic acids as chelants |
US4708805A (en) * | 1986-11-24 | 1987-11-24 | Muhala Thomas F D | Barium sulfate removal and anti-deposition compositions and process of use therefor |
US5264041A (en) * | 1986-12-01 | 1993-11-23 | Siemens Aktiengesellschaft | Method for cleaning a vessel |
DE3771859D1 (de) * | 1986-12-01 | 1991-09-05 | Siemens Ag | Verfahren zum reinigen eines behaelters. |
EP0299166A1 (de) * | 1987-07-17 | 1989-01-18 | Mitsubishi Jukogyo Kabushiki Kaisha | Verfahren zur Entfernung von Ablagerungen auf Innenflächen von Dampfkesselrohrteilen |
GB9000028D0 (en) * | 1990-01-02 | 1990-03-07 | Shell Int Research | Cleaning of equipment used in a liquid phase oxidation process |
US5575858A (en) * | 1994-05-02 | 1996-11-19 | United Technologies Corporation | Effective cleaning method for turbine airfoils |
JP2007020402A (ja) * | 2005-07-12 | 2007-02-01 | Nitto Shokuhin Kk | 納豆の製造方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1076979A (en) * | 1963-08-13 | 1967-07-26 | William Russell Tedeschi | Surface treating composition |
AT281541B (de) * | 1966-08-02 | 1970-05-25 | Beratherm Ag | Verfahren zum Beizen von metallischen Innenflächen geschlossener Gefäße |
US3522093A (en) * | 1967-02-27 | 1970-07-28 | Chem Cleaning & Equipment Serv | Processes of cleaning and passivating reactor equipment |
-
1982
- 1982-08-24 SE SE8204843A patent/SE8204843L/ unknown
- 1982-08-31 DE DE19823232263 patent/DE3232263A1/de not_active Withdrawn
- 1982-10-15 CA CA000413558A patent/CA1199550A/en not_active Expired
- 1982-11-12 JP JP57197870A patent/JPS58123000A/ja active Pending
- 1982-12-14 IT IT24722/82A patent/IT1157343B/it active
-
1983
- 1983-01-17 GB GB08301192A patent/GB2113254B/en not_active Expired
- 1983-01-17 FR FR8300626A patent/FR2521159B1/fr not_active Expired
- 1983-01-17 ES ES519043A patent/ES8402884A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS58123000A (ja) | 1983-07-21 |
GB2113254B (en) | 1985-09-11 |
FR2521159A1 (fr) | 1983-08-12 |
IT8224722A0 (it) | 1982-12-14 |
ES519043A0 (es) | 1984-03-01 |
SE8204843D0 (sv) | 1982-08-24 |
IT1157343B (it) | 1987-02-11 |
FR2521159B1 (fr) | 1987-04-03 |
CA1199550A (en) | 1986-01-21 |
DE3232263A1 (de) | 1983-07-28 |
ES8402884A1 (es) | 1984-03-01 |
GB2113254A (en) | 1983-08-03 |
GB8301192D0 (en) | 1983-02-16 |
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