FR692595A - Concentrated sulfuric acid de-arsenication process - Google Patents
Concentrated sulfuric acid de-arsenication processInfo
- Publication number
- FR692595A FR692595A FR692595DA FR692595A FR 692595 A FR692595 A FR 692595A FR 692595D A FR692595D A FR 692595DA FR 692595 A FR692595 A FR 692595A
- Authority
- FR
- France
- Prior art keywords
- arsenication
- sulfuric acid
- concentrated sulfuric
- concentrated
- acid
- Prior art date
- 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
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
- C01B17/907—Removal of arsenic
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE692595X | 1929-04-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR692595A true FR692595A (en) | 1930-11-07 |
Family
ID=6603232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR692595D Expired FR692595A (en) | 1929-04-06 | 1930-03-24 | Concentrated sulfuric acid de-arsenication process |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR692595A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1159399B (en) * | 1959-10-22 | 1963-12-19 | Zieren Chemiebau Gmbh Dr A | Process for the removal of arsenic from sulfuric acid resulting from the purification of roast gases |
EP0166469A2 (en) * | 1984-05-16 | 1986-01-02 | Metallgesellschaft Ag | Method for removing arsenic from waste sulphuric acid |
DE4436019A1 (en) * | 1994-10-08 | 1996-04-11 | Metallgesellschaft Ag | Prepn. of sulphuric acid free of heavy metals |
-
1930
- 1930-03-24 FR FR692595D patent/FR692595A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1159399B (en) * | 1959-10-22 | 1963-12-19 | Zieren Chemiebau Gmbh Dr A | Process for the removal of arsenic from sulfuric acid resulting from the purification of roast gases |
EP0166469A2 (en) * | 1984-05-16 | 1986-01-02 | Metallgesellschaft Ag | Method for removing arsenic from waste sulphuric acid |
EP0166469A3 (en) * | 1984-05-16 | 1986-12-30 | Metallgesellschaft Ag | Method for removing arsenic from waste sulphuric acid |
DE4436019A1 (en) * | 1994-10-08 | 1996-04-11 | Metallgesellschaft Ag | Prepn. of sulphuric acid free of heavy metals |
DE4436019C2 (en) * | 1994-10-08 | 1999-04-22 | Metallgesellschaft Ag | Process for the preparation of heavy metal-free sulfuric acid from SO₂₂-containing gases |
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