CA1257765A - Process of removing arsenic from waste sulfuric acid - Google Patents
Process of removing arsenic from waste sulfuric acidInfo
- Publication number
- CA1257765A CA1257765A CA000481198A CA481198A CA1257765A CA 1257765 A CA1257765 A CA 1257765A CA 000481198 A CA000481198 A CA 000481198A CA 481198 A CA481198 A CA 481198A CA 1257765 A CA1257765 A CA 1257765A
- Authority
- CA
- Canada
- Prior art keywords
- sulfide
- arsenic
- sulfuric acid
- suspension
- waste sulfuric
- 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
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 239000002699 waste material Substances 0.000 title claims abstract description 51
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910052785 arsenic Inorganic materials 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000008569 process Effects 0.000 title claims abstract description 10
- 239000000725 suspension Substances 0.000 claims abstract description 29
- 239000002253 acid Substances 0.000 claims abstract description 23
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims abstract description 21
- 229910052979 sodium sulfide Inorganic materials 0.000 claims abstract description 21
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims abstract description 21
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000001556 precipitation Methods 0.000 claims abstract description 12
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 claims abstract description 9
- 150000007513 acids Chemical class 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 239000007864 aqueous solution Substances 0.000 claims abstract description 6
- CUGMJFZCCDSABL-UHFFFAOYSA-N arsenic(3+);trisulfide Chemical compound [S-2].[S-2].[S-2].[As+3].[As+3] CUGMJFZCCDSABL-UHFFFAOYSA-N 0.000 claims abstract 8
- 239000000243 solution Substances 0.000 claims description 23
- 229910052958 orpiment Inorganic materials 0.000 claims description 14
- 238000010926 purge Methods 0.000 claims description 10
- 230000001376 precipitating effect Effects 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 239000002244 precipitate Substances 0.000 claims description 4
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 claims description 4
- 235000019345 sodium thiosulphate Nutrition 0.000 claims description 4
- 239000000047 product Substances 0.000 claims description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract description 16
- 239000000203 mixture Substances 0.000 abstract description 7
- 238000000926 separation method Methods 0.000 abstract description 6
- UKUVVAMSXXBMRX-UHFFFAOYSA-N 2,4,5-trithia-1,3-diarsabicyclo[1.1.1]pentane Chemical compound S1[As]2S[As]1S2 UKUVVAMSXXBMRX-UHFFFAOYSA-N 0.000 description 14
- 229940079101 sodium sulfide Drugs 0.000 description 13
- 229940052288 arsenic trisulfide Drugs 0.000 description 7
- 239000002250 absorbent Substances 0.000 description 5
- 230000002745 absorbent Effects 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 239000012065 filter cake Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 150000001495 arsenic compounds Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229940093920 gynecological arsenic compound Drugs 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- PTLRDCMBXHILCL-UHFFFAOYSA-M sodium arsenite Chemical compound [Na+].[O-][As]=O PTLRDCMBXHILCL-UHFFFAOYSA-M 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G28/00—Compounds of arsenic
- C01G28/008—Sulfides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP3418241.1 | 1984-05-16 | ||
| DE19843418241 DE3418241A1 (de) | 1984-05-16 | 1984-05-16 | Verfahren zur entfernung von arsen aus abfallschwefelsaeure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1257765A true CA1257765A (en) | 1989-07-25 |
Family
ID=6236054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000481198A Expired CA1257765A (en) | 1984-05-16 | 1985-05-09 | Process of removing arsenic from waste sulfuric acid |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0166469B1 (enrdf_load_stackoverflow) |
| CA (1) | CA1257765A (enrdf_load_stackoverflow) |
| DE (2) | DE3418241A1 (enrdf_load_stackoverflow) |
| ES (1) | ES8603790A1 (enrdf_load_stackoverflow) |
| GR (1) | GR851163B (enrdf_load_stackoverflow) |
| MX (1) | MX167327B (enrdf_load_stackoverflow) |
| PT (1) | PT80474B (enrdf_load_stackoverflow) |
| YU (1) | YU43945B (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9555362B2 (en) | 2011-12-20 | 2017-01-31 | Eisenmann Ag | Method for separating arsenic and heavy metals in an acidic washing solution |
| US10603676B2 (en) | 2011-09-13 | 2020-03-31 | Cidra Minerals Processing Inc. | Mineral processing |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3604483A1 (de) * | 1986-02-13 | 1987-08-20 | Hoechst Ag | Verfahren zum entfernen von schwermetallen aus mineralsaeuren |
| CA2031229C (en) * | 1990-11-30 | 2000-08-08 | Lynda G. Sturgeoff | Fluoride removal from sulphuric acid |
| US5338460A (en) * | 1993-04-22 | 1994-08-16 | Elf Atochem North America, Inc. | Sulfide precipitation of heavy metals from aqueous solutions |
| DE102018125677A1 (de) | 2018-10-16 | 2020-04-16 | Eisenmann Se | Verfahren zur Fällung von Arsen und Schwermetall aus saurem Prozesswasser |
| DE102018125680A1 (de) | 2018-10-16 | 2020-04-16 | Eisenmann Se | Verfahren zur Fällung von Arsen und Schwermetall aus saurem Prozesswasser |
| CN115403014B (zh) * | 2022-08-23 | 2024-09-03 | 深圳市中金岭南有色金属股份有限公司丹霞冶炼厂 | 一种提高矿冶硫磺品位的熔硫方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR692595A (fr) * | 1929-04-06 | 1930-11-07 | Metallgesellschaft Ag | Procédé de désarsenication d'acide sulfurique concentré |
| FR773390A (fr) * | 1933-06-21 | 1934-11-16 | Mansfeldscher Kupferschieferbe | Procédé d'épuration de l'acide sulfurique |
| FR983507A (fr) * | 1949-02-01 | 1951-06-25 | Comptoir Textiles Artificiels | Procédé de purification d'acide sulfurique concentré |
| FR65233E (fr) * | 1952-07-09 | 1956-02-07 | Comptoir Textiles Artificiels | Procédé de purification d'acide sulfurique concentré |
-
1984
- 1984-05-16 DE DE19843418241 patent/DE3418241A1/de not_active Withdrawn
-
1985
- 1985-04-27 EP EP85200665A patent/EP0166469B1/de not_active Expired
- 1985-04-27 DE DE8585200665T patent/DE3563947D1/de not_active Expired
- 1985-05-09 CA CA000481198A patent/CA1257765A/en not_active Expired
- 1985-05-14 ES ES543138A patent/ES8603790A1/es not_active Expired
- 1985-05-14 GR GR851163A patent/GR851163B/el unknown
- 1985-05-14 YU YU798/85A patent/YU43945B/xx unknown
- 1985-05-15 PT PT80474A patent/PT80474B/pt not_active IP Right Cessation
- 1985-05-16 MX MX205319A patent/MX167327B/es unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10603676B2 (en) | 2011-09-13 | 2020-03-31 | Cidra Minerals Processing Inc. | Mineral processing |
| US11654443B2 (en) | 2011-09-13 | 2023-05-23 | Cidra Minerals Processing Inc. | Mineral processing |
| US9555362B2 (en) | 2011-12-20 | 2017-01-31 | Eisenmann Ag | Method for separating arsenic and heavy metals in an acidic washing solution |
Also Published As
| Publication number | Publication date |
|---|---|
| ES543138A0 (es) | 1986-01-01 |
| DE3563947D1 (en) | 1988-09-01 |
| PT80474B (en) | 1987-04-13 |
| PT80474A (en) | 1985-06-01 |
| MX167327B (es) | 1993-03-16 |
| DE3418241A1 (de) | 1985-11-21 |
| EP0166469B1 (de) | 1988-07-27 |
| YU43945B (en) | 1989-12-31 |
| YU79885A (en) | 1987-12-31 |
| EP0166469A3 (en) | 1986-12-30 |
| GR851163B (enrdf_load_stackoverflow) | 1985-11-25 |
| ES8603790A1 (es) | 1986-01-01 |
| EP0166469A2 (de) | 1986-01-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |