JPS50121163A - - Google Patents
Info
- Publication number
- JPS50121163A JPS50121163A JP50020442A JP2044275A JPS50121163A JP S50121163 A JPS50121163 A JP S50121163A JP 50020442 A JP50020442 A JP 50020442A JP 2044275 A JP2044275 A JP 2044275A JP S50121163 A JPS50121163 A JP S50121163A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/488—Treatment of water, waste water, or sewage with magnetic or electric fields for separation of magnetic materials, e.g. magnetic flocculation
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/01—Waste acid containing iron
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/01—Waste acid containing iron
- Y10S423/02—Sulfuric acid
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Treatment Of Sludge (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US445315A US3927173A (en) | 1974-02-22 | 1974-02-22 | Treatment of acid waste waters to produce ferromagnetic sludges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS50121163A true JPS50121163A (US08177716-20120515-C00003.png) | 1975-09-22 |
Family
ID=23768446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50020442A Pending JPS50121163A (US08177716-20120515-C00003.png) | 1974-02-22 | 1975-02-20 |
Country Status (11)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5328954A (en) * | 1976-08-31 | 1978-03-17 | Takada Kenkiyuushiyo Yuugen | Treating of drainage obtained from acid washing of steel |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2556406A1 (de) * | 1975-12-15 | 1977-06-16 | Bayer Ag | Verfahren zur kontinuierlichen herstellung von eisenoxidhydroxid |
| CA1149582A (en) * | 1979-02-09 | 1983-07-12 | Pfizer Limited | Synthetic rhombohedrol magnetite pigment |
| US4382822A (en) * | 1979-09-14 | 1983-05-10 | Pfizer Inc. | Synthetic rhombohedral magnetite pigment |
| US4655839A (en) * | 1983-09-06 | 1987-04-07 | E. I. Du Pont De Nemours And Company | Landfillable composition from iron chloride waste treatment in molten salt |
| JPS60206481A (ja) * | 1984-03-30 | 1985-10-18 | Kawasaki Steel Corp | ステンレス鋼酸洗廃液の回収処理方法 |
| FR2808018B1 (fr) * | 2000-04-21 | 2002-07-12 | Sarp Ind | Procede de traitement d'effluents contenant des sulfates metalliques mettant en oeuvre une etape d'addition d'ammoniac |
| WO2003097539A1 (en) * | 2002-05-15 | 2003-11-27 | Water Research Commission | Treatment of metal containing water by the addition of magnetite |
| DE10232069A1 (de) * | 2002-07-16 | 2004-02-05 | Sachtleben Chemie Gmbh | Verfahren zur Herstellung von Eisenhydroxid, Eisenoxidhydrat oder Eisenoxid aus Filtersalzen der Dünnsäurerückgewinnung |
| CN101172727B (zh) * | 2007-10-16 | 2010-05-19 | 中冶南方工程技术有限公司 | 盐酸废液净化处理工艺 |
| CN105540937A (zh) * | 2016-02-04 | 2016-05-04 | 卢玉柱 | 钢铁加工废弃危险化学品处理方法及产物钙基氢氧化亚铁 |
| CN112978994A (zh) * | 2021-02-25 | 2021-06-18 | 南京农业大学 | 一种不锈钢酸洗废水处理及同步合成次生铁矿物的方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1287939A (en) * | 1917-12-20 | 1918-12-17 | Magnetic Pigment Company | Utilization of sulfuric-acid pickle liquors. |
| US2433458A (en) * | 1943-03-04 | 1947-12-30 | Infilco Inc | Treatment of pickle liquor |
| US2662812A (en) * | 1949-11-03 | 1953-12-15 | Koppers Co Inc | Regeneration of spent pickle liquor and recovery of ferrous sulfate monohydrate |
| US2639222A (en) * | 1949-11-22 | 1953-05-19 | Marblehead Lime Company | Treatment of acid waste liquors |
| US3044868A (en) * | 1959-09-14 | 1962-07-17 | Puriron And Chemicals Inc | Recovery of by-products of waste pickle liquor |
| US3164463A (en) * | 1961-10-10 | 1965-01-05 | Dravo Corp | Process for handling iron laden wastes in steel mills |
-
1974
- 1974-02-22 US US445315A patent/US3927173A/en not_active Expired - Lifetime
-
1975
- 1975-02-06 GB GB5085/75A patent/GB1491546A/en not_active Expired
- 1975-02-07 ZA ZA00750792A patent/ZA75792B/xx unknown
- 1975-02-13 NL NL7501690A patent/NL7501690A/xx unknown
- 1975-02-17 IT IT48206/75A patent/IT1029758B/it active
- 1975-02-18 BR BR974/75A patent/BR7500974A/pt unknown
- 1975-02-19 DE DE19752507113 patent/DE2507113A1/de active Pending
- 1975-02-20 FR FR7505301A patent/FR2261984B1/fr not_active Expired
- 1975-02-20 JP JP50020442A patent/JPS50121163A/ja active Pending
- 1975-02-20 SE SE7501920A patent/SE7501920L/xx unknown
- 1975-02-20 ES ES434899A patent/ES434899A1/es not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5328954A (en) * | 1976-08-31 | 1978-03-17 | Takada Kenkiyuushiyo Yuugen | Treating of drainage obtained from acid washing of steel |
Also Published As
| Publication number | Publication date |
|---|---|
| ES434899A1 (es) | 1976-12-01 |
| US3927173A (en) | 1975-12-16 |
| FR2261984B1 (US08177716-20120515-C00003.png) | 1979-09-28 |
| GB1491546A (en) | 1977-11-09 |
| FR2261984A1 (US08177716-20120515-C00003.png) | 1975-09-19 |
| IT1029758B (it) | 1979-03-20 |
| ZA75792B (en) | 1976-01-28 |
| NL7501690A (nl) | 1975-08-26 |
| DE2507113A1 (de) | 1975-08-28 |
| SE7501920L (US08177716-20120515-C00003.png) | 1975-08-25 |
| BR7500974A (pt) | 1975-12-02 |
