RO72405A - Procedeu de recuperare a fierului - Google Patents
Procedeu de recuperare a fieruluiInfo
- Publication number
- RO72405A RO72405A RO7789940A RO8994077A RO72405A RO 72405 A RO72405 A RO 72405A RO 7789940 A RO7789940 A RO 7789940A RO 8994077 A RO8994077 A RO 8994077A RO 72405 A RO72405 A RO 72405A
- Authority
- RO
- Romania
- Prior art keywords
- recovery procedure
- fire recovery
- fire
- procedure
- recovery
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/14—Sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compounds Of Iron (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/675,094 US4036941A (en) | 1976-04-08 | 1976-04-08 | Preparation of ferric sulfate solutions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO72405A true RO72405A (ro) | 1981-08-30 |
Family
ID=24709029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7789940A RO72405A (ro) | 1976-04-08 | 1977-04-06 | Procedeu de recuperare a fierului |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4036941A (ro) |
| JP (1) | JPS52125497A (ro) |
| AU (1) | AU504209B2 (ro) |
| CA (1) | CA1094812A (ro) |
| DE (1) | DE2714658A1 (ro) |
| ES (1) | ES457127A1 (ro) |
| FI (1) | FI770721A7 (ro) |
| FR (1) | FR2347446A1 (ro) |
| GB (1) | GB1554681A (ro) |
| IT (1) | IT1086862B (ro) |
| RO (1) | RO72405A (ro) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4222872A (en) * | 1979-02-27 | 1980-09-16 | Dravo Corporation | Reclamation of molybdenum or other heavy metals from wastewater treatment skimmings |
| SE521847C2 (sv) * | 2002-04-04 | 2003-12-09 | Kemira Kemi Ab | Sätt att behandla restsyra |
| US7387770B2 (en) * | 2005-08-26 | 2008-06-17 | General Chemical Performance Products Inc. | Method for ferric sulfate manufacturing |
| CN102107911B (zh) * | 2011-03-04 | 2012-07-04 | 大连海事大学 | 溶液放电等离子体诱导铁泥还原制备硫酸亚铁的方法 |
| GB2567655B (en) | 2017-10-18 | 2020-05-20 | Industrial Chemicals Group Ltd | Polyferric sulphate solution |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR619035A (fr) * | 1926-06-12 | 1927-03-25 | Harris | Perfectionnements à la fabrication du sulfate ferrique |
| US1644250A (en) * | 1926-06-12 | 1927-10-04 | Hart Bertram | Manufacture of ferric sulphate |
| US2173144A (en) * | 1936-03-31 | 1939-09-19 | Monsanto Chemicals | Method of preparing normal ferric sulphate |
| US3953306A (en) * | 1973-10-03 | 1976-04-27 | Dart Environment And Services Company | Metal recovery from waste treatment sludges |
| US3954953A (en) * | 1974-07-31 | 1976-05-04 | Cities Service Company | Energy conserving process for manufacturing ferric sulfate |
-
1976
- 1976-04-08 US US05/675,094 patent/US4036941A/en not_active Expired - Lifetime
-
1977
- 1977-02-25 CA CA272,652A patent/CA1094812A/en not_active Expired
- 1977-02-28 GB GB8425/77A patent/GB1554681A/en not_active Expired
- 1977-02-28 AU AU22766/77A patent/AU504209B2/en not_active Expired
- 1977-03-07 FI FI770721A patent/FI770721A7/fi not_active Application Discontinuation
- 1977-03-17 IT IT48528/77A patent/IT1086862B/it active
- 1977-03-23 ES ES457127A patent/ES457127A1/es not_active Expired
- 1977-04-01 DE DE19772714658 patent/DE2714658A1/de not_active Withdrawn
- 1977-04-06 JP JP3860577A patent/JPS52125497A/ja active Pending
- 1977-04-06 RO RO7789940A patent/RO72405A/ro unknown
- 1977-04-07 FR FR7710655A patent/FR2347446A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| IT1086862B (it) | 1985-05-31 |
| ES457127A1 (es) | 1978-08-16 |
| CA1094812A (en) | 1981-02-03 |
| AU504209B2 (en) | 1979-10-04 |
| GB1554681A (en) | 1979-10-24 |
| AU2276677A (en) | 1978-09-07 |
| DE2714658A1 (de) | 1977-10-20 |
| US4036941A (en) | 1977-07-19 |
| FR2347446A1 (fr) | 1977-11-04 |
| JPS52125497A (en) | 1977-10-21 |
| FI770721A7 (ro) | 1977-10-09 |
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