FR2317221B1 - - Google Patents
Info
- Publication number
- FR2317221B1 FR2317221B1 FR7620502A FR7620502A FR2317221B1 FR 2317221 B1 FR2317221 B1 FR 2317221B1 FR 7620502 A FR7620502 A FR 7620502A FR 7620502 A FR7620502 A FR 7620502A FR 2317221 B1 FR2317221 B1 FR 2317221B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/37—Phosphates of heavy metals
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/30—Alkali metal phosphates
- C01B25/305—Preparation from phosphorus-containing compounds by alkaline treatment
- C01B25/306—Preparation from phosphorus-containing compounds by alkaline treatment from phosphates
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
- C23C22/08—Orthophosphates
- C23C22/12—Orthophosphates containing zinc cations
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB28414/75A GB1545515A (en) | 1975-07-05 | 1975-07-05 | Treatment of phosphate sludges |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2317221A1 FR2317221A1 (fr) | 1977-02-04 |
| FR2317221B1 true FR2317221B1 (US20030204162A1-20031030-M00001.png) | 1978-09-01 |
Family
ID=10275251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7620502A Granted FR2317221A1 (fr) | 1975-07-05 | 1976-07-05 | Procede de traitement des boues phosphatees |
Country Status (5)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4032956A1 (de) * | 1990-10-18 | 1992-04-23 | Henkel Kgaa | Verfahren zum recycling von phospatierschlamm |
| DE4117716A1 (de) * | 1991-05-30 | 1992-12-03 | Metallgesellschaft Ag | Zinkentfernung aus phosphatschlaemmen |
| DE4316240C2 (de) * | 1992-05-26 | 2001-05-17 | Volkswagen Ag | Verfahren zum NE-Metallrecycling in Phosphatierbädern |
| CA2114297A1 (en) * | 1993-01-29 | 1994-07-30 | Tadashi Nishino | Method for dissolving sludge and recovering constituents therefrom |
| CN1309667C (zh) * | 2004-01-20 | 2007-04-11 | 郑恒昌 | 金属表面磷化处理制程的废污泥回收法 |
| CN110498402A (zh) * | 2019-09-25 | 2019-11-26 | 龚典局 | 一种含磷废酸综合利用方法 |
| CN114014289B (zh) * | 2021-10-30 | 2023-05-02 | 南昌大学 | 一种磷酸铁废料提纯的方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1018850B (de) * | 1955-12-31 | 1957-11-07 | Albert Ag Chem Werke | Verfahren zur Entkalkung von Kalk, Tonerde und Eisen enthaltenden Phosphaten |
| JPS5519316B2 (US20030204162A1-20031030-M00001.png) * | 1974-02-27 | 1980-05-24 |
-
1975
- 1975-07-05 GB GB28414/75A patent/GB1545515A/en not_active Expired
-
1976
- 1976-07-02 SE SE7607635A patent/SE7607635L/xx unknown
- 1976-07-02 DE DE19762629776 patent/DE2629776A1/de active Pending
- 1976-07-05 FR FR7620502A patent/FR2317221A1/fr active Granted
- 1976-07-05 IT IT25014/76A patent/IT1062108B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2317221A1 (fr) | 1977-02-04 |
| SE7607635L (sv) | 1977-01-06 |
| GB1545515A (en) | 1979-05-10 |
| IT1062108B (it) | 1983-06-25 |
| DE2629776A1 (de) | 1977-01-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |