FR2143543B1 - - Google Patents
Info
- Publication number
- FR2143543B1 FR2143543B1 FR7123503A FR7123503A FR2143543B1 FR 2143543 B1 FR2143543 B1 FR 2143543B1 FR 7123503 A FR7123503 A FR 7123503A FR 7123503 A FR7123503 A FR 7123503A FR 2143543 B1 FR2143543 B1 FR 2143543B1
- 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
- C01B17/00—Sulfur; Compounds thereof
- C01B17/48—Sulfur dioxide; Sulfurous acid
- C01B17/50—Preparation of sulfur dioxide
- C01B17/501—Preparation of sulfur dioxide by reduction of sulfur compounds
- C01B17/507—Preparation of sulfur dioxide by reduction of sulfur compounds of iron sulfates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/08—Ferroso-ferric oxide [Fe3O4]
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Compounds Of Iron (AREA)
- Treating Waste Gases (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7123503A FR2143543B1 (fr) | 1971-06-28 | 1971-06-28 | |
CH913472A CH551929A (fr) | 1971-06-28 | 1972-06-16 | Procede pour la recuperation des ions fer sous forme d'oxyde et/ou elementaire a partir de sulfates de fer. |
BE785073A BE785073A (fr) | 1971-06-28 | 1972-06-19 | Procede de traitement des sulfates de fer |
LU65561D LU65561A1 (fr) | 1971-06-28 | 1972-06-22 | |
DE19722231200 DE2231200A1 (de) | 1971-06-28 | 1972-06-26 | Verfahren zur behandlung von eisensulfaten |
IT2629572A IT956884B (it) | 1971-06-28 | 1972-06-28 | Procedimento di trattamento dei solfati di ferro |
GB3020072A GB1376837A (en) | 1971-06-28 | 1972-06-28 | Method for treating iron sulphates |
NL7208891A NL7208891A (en) | 1971-06-28 | 1972-06-28 | Iron/iron oxide - from iron sulphates in gas scrubber solns by heating with carbon |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7123503A FR2143543B1 (fr) | 1971-06-28 | 1971-06-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2143543A1 FR2143543A1 (fr) | 1973-02-09 |
FR2143543B1 true FR2143543B1 (fr) | 1974-03-08 |
Family
ID=9079429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7123503A Expired FR2143543B1 (fr) | 1971-06-28 | 1971-06-28 |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE785073A (fr) |
CH (1) | CH551929A (fr) |
DE (1) | DE2231200A1 (fr) |
FR (1) | FR2143543B1 (fr) |
GB (1) | GB1376837A (fr) |
IT (1) | IT956884B (fr) |
LU (1) | LU65561A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2653765A1 (de) * | 1976-11-26 | 1978-06-01 | Bayer Ag | Verfahren zur herstellung von eisenoxidschwarzpigmenten |
CN110760681B (zh) * | 2019-10-31 | 2021-04-02 | 洛阳炬星窑炉有限公司 | 一种从不锈钢酸洗废液中提取硫酸和镍铬铁合金的方法 |
-
1971
- 1971-06-28 FR FR7123503A patent/FR2143543B1/fr not_active Expired
-
1972
- 1972-06-16 CH CH913472A patent/CH551929A/fr not_active IP Right Cessation
- 1972-06-19 BE BE785073A patent/BE785073A/fr unknown
- 1972-06-22 LU LU65561D patent/LU65561A1/xx unknown
- 1972-06-26 DE DE19722231200 patent/DE2231200A1/de active Pending
- 1972-06-28 GB GB3020072A patent/GB1376837A/en not_active Expired
- 1972-06-28 IT IT2629572A patent/IT956884B/it active
Also Published As
Publication number | Publication date |
---|---|
BE785073A (fr) | 1972-12-19 |
LU65561A1 (fr) | 1973-01-22 |
IT956884B (it) | 1973-10-10 |
DE2231200A1 (de) | 1973-01-11 |
GB1376837A (en) | 1974-12-11 |
FR2143543A1 (fr) | 1973-02-09 |
CH551929A (fr) | 1974-07-31 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |