CA2014001A1 - Method for re-using waste sulphuric acid - Google Patents
Method for re-using waste sulphuric acidInfo
- Publication number
- CA2014001A1 CA2014001A1 CA 2014001 CA2014001A CA2014001A1 CA 2014001 A1 CA2014001 A1 CA 2014001A1 CA 2014001 CA2014001 CA 2014001 CA 2014001 A CA2014001 A CA 2014001A CA 2014001 A1 CA2014001 A1 CA 2014001A1
- Authority
- CA
- Canada
- Prior art keywords
- sulphuric acid
- metal salts
- concentration
- suspension
- weight
- 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.)
- Abandoned
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 235000011149 sulphuric acid Nutrition 0.000 title claims abstract description 74
- 239000001117 sulphuric acid Substances 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 44
- 239000002699 waste material Substances 0.000 title claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 36
- 239000002184 metal Substances 0.000 claims abstract description 36
- 150000003839 salts Chemical class 0.000 claims abstract description 32
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 30
- 230000029087 digestion Effects 0.000 claims abstract description 24
- 230000008569 process Effects 0.000 claims abstract description 21
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000010936 titanium Substances 0.000 claims abstract description 16
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 16
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 12
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000725 suspension Substances 0.000 claims description 25
- 238000004519 manufacturing process Methods 0.000 claims description 9
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 4
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 claims description 4
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 2
- 239000002918 waste heat Substances 0.000 claims description 2
- 239000000049 pigment Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 abstract description 3
- 229910044991 metal oxide Inorganic materials 0.000 abstract description 3
- 150000004706 metal oxides Chemical class 0.000 abstract description 3
- 150000002736 metal compounds Chemical class 0.000 abstract 1
- 235000002639 sodium chloride Nutrition 0.000 description 24
- 239000002253 acid Substances 0.000 description 16
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000002893 slag Substances 0.000 description 7
- 239000002994 raw material Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000005569 Iron sulphate Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- SURQXAFEQWPFPV-UHFFFAOYSA-L iron(2+) sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Fe+2].[O-]S([O-])(=O)=O SURQXAFEQWPFPV-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 150000003681 vanadium Chemical class 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/10—Obtaining titanium, zirconium or hafnium
- C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
- C22B34/1236—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching
- C22B34/124—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching using acidic solutions or liquors
- C22B34/125—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching using acidic solutions or liquors containing a sulfur ion as active agent
-
- 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
- C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids
-
- 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
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1315/89-0 | 1989-04-07 | ||
| CH1315/89A CH677933A5 (enrdf_load_stackoverflow) | 1989-04-07 | 1989-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2014001A1 true CA2014001A1 (en) | 1990-10-07 |
Family
ID=4207571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2014001 Abandoned CA2014001A1 (en) | 1989-04-07 | 1990-04-06 | Method for re-using waste sulphuric acid |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0392211B1 (enrdf_load_stackoverflow) |
| JP (1) | JP2569197B2 (enrdf_load_stackoverflow) |
| CA (1) | CA2014001A1 (enrdf_load_stackoverflow) |
| CH (1) | CH677933A5 (enrdf_load_stackoverflow) |
| DE (2) | DE3918771A1 (enrdf_load_stackoverflow) |
| ES (1) | ES2048350T3 (enrdf_load_stackoverflow) |
| FI (1) | FI94745C (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113443649A (zh) * | 2021-07-13 | 2021-09-28 | 攀钢集团研究院有限公司 | 钛渣的间歇酸解方法及装置 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110040698B (zh) * | 2019-05-17 | 2022-07-29 | 成都先进金属材料产业技术研究院股份有限公司 | 硫酸镁处理硫酸法钛白废酸的方法 |
| KR102057976B1 (ko) * | 2019-06-11 | 2019-12-20 | 한국지질자원연구원 | 황산 슬러지 정련방법 |
| CN114438335B (zh) * | 2021-12-29 | 2024-02-09 | 绵阳师范学院 | 一种含钛高炉渣处理方法 |
| CN116588971A (zh) * | 2023-04-23 | 2023-08-15 | 龙佰四川钛业有限公司 | 一种回收钛白废酸中二氧化钛的方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL134070C (enrdf_load_stackoverflow) * | 1966-03-28 | 1900-01-01 | ||
| DE2210637B2 (de) * | 1972-03-06 | 1975-12-04 | Davy Powergas Gmbh, 5000 Koeln | Verfahren zur Herstellung eines Schwefeldioxid enthaltenden Gases aus einer bei der TitanweiBherstellung anfallenden Dünnsäure |
| DE2339859A1 (de) * | 1973-08-07 | 1975-02-27 | Metallgesellschaft Ag | Verfahren zur aufarbeitung waessriger abfallschwefelsaeure |
| DE2630196A1 (de) * | 1976-07-05 | 1978-01-19 | Bayer Ag | Verfahren zur herstellung von schwefelsaeure aus abfallsaeure und eisensulfat |
| DE2729755C2 (de) * | 1977-07-01 | 1983-12-22 | Kronos Titan-Gesellschaft Mbh, 5090 Leverkusen | Verfahren zur Herstellung von Titandioxid durch diskontinuierliches Aufschließen von Ilmeniterzen mit Schwefelsäure |
| DE3327769A1 (de) * | 1983-08-02 | 1985-02-14 | Bayer Ag, 5090 Leverkusen | Verfahren zur aufarbeitung von duennsaeuren |
-
1989
- 1989-04-07 CH CH1315/89A patent/CH677933A5/de not_active IP Right Cessation
- 1989-06-08 DE DE19893918771 patent/DE3918771A1/de not_active Withdrawn
-
1990
- 1990-03-16 EP EP19900104994 patent/EP0392211B1/de not_active Expired - Lifetime
- 1990-03-16 ES ES90104994T patent/ES2048350T3/es not_active Expired - Lifetime
- 1990-03-16 DE DE90104994T patent/DE59003996D1/de not_active Expired - Fee Related
- 1990-04-04 FI FI901702A patent/FI94745C/fi not_active IP Right Cessation
- 1990-04-06 CA CA 2014001 patent/CA2014001A1/en not_active Abandoned
- 1990-04-06 JP JP9050190A patent/JP2569197B2/ja not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113443649A (zh) * | 2021-07-13 | 2021-09-28 | 攀钢集团研究院有限公司 | 钛渣的间歇酸解方法及装置 |
| CN113443649B (zh) * | 2021-07-13 | 2022-11-29 | 攀钢集团研究院有限公司 | 钛渣的间歇酸解方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE59003996D1 (de) | 1994-02-10 |
| JP2569197B2 (ja) | 1997-01-08 |
| JPH02289406A (ja) | 1990-11-29 |
| DE3918771A1 (de) | 1990-10-11 |
| EP0392211A1 (de) | 1990-10-17 |
| CH677933A5 (enrdf_load_stackoverflow) | 1991-07-15 |
| FI94745C (fi) | 1995-10-25 |
| FI901702A0 (fi) | 1990-04-04 |
| FI94745B (fi) | 1995-07-14 |
| EP0392211B1 (de) | 1993-12-29 |
| ES2048350T3 (es) | 1994-03-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |