CA2030655A1 - Process for the recovery of sulfuric acid - Google Patents
Process for the recovery of sulfuric acidInfo
- Publication number
- CA2030655A1 CA2030655A1 CA002030655A CA2030655A CA2030655A1 CA 2030655 A1 CA2030655 A1 CA 2030655A1 CA 002030655 A CA002030655 A CA 002030655A CA 2030655 A CA2030655 A CA 2030655A CA 2030655 A1 CA2030655 A1 CA 2030655A1
- Authority
- CA
- Canada
- Prior art keywords
- evaporation
- stage
- sulfuric acid
- acid
- concentration
- 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 99
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000011084 recovery Methods 0.000 title claims abstract description 7
- 238000001704 evaporation Methods 0.000 claims abstract description 145
- 230000008020 evaporation Effects 0.000 claims abstract description 145
- 239000002253 acid Substances 0.000 claims abstract description 38
- 239000002699 waste material Substances 0.000 claims abstract description 31
- 229910052751 metal Inorganic materials 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 27
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims abstract description 26
- 239000007787 solid Substances 0.000 claims abstract description 17
- 239000000725 suspension Substances 0.000 claims abstract description 15
- 235000011149 sulphuric acid Nutrition 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 239000000498 cooling water Substances 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 229940032330 sulfuric acid Drugs 0.000 description 29
- 229910001868 water Inorganic materials 0.000 description 9
- 239000000203 mixture Substances 0.000 description 7
- 239000010936 titanium Substances 0.000 description 6
- 229910052719 titanium Inorganic materials 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- 150000007513 acids Chemical class 0.000 description 5
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 5
- XBDUTCVQJHJTQZ-UHFFFAOYSA-L iron(2+) sulfate monohydrate Chemical compound O.[Fe+2].[O-]S([O-])(=O)=O XBDUTCVQJHJTQZ-UHFFFAOYSA-L 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910052925 anhydrite Inorganic materials 0.000 description 4
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical group [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 229910000352 vanadyl sulfate Inorganic materials 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 229910000358 iron sulfate Inorganic materials 0.000 description 2
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 206010016825 Flushing Diseases 0.000 description 1
- 229910000329 aluminium sulfate Inorganic materials 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 235000011128 aluminium sulphate Nutrition 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- GRWVQDDAKZFPFI-UHFFFAOYSA-H chromium(III) sulfate Chemical group [Cr+3].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRWVQDDAKZFPFI-UHFFFAOYSA-H 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- JZMJDSHXVKJFKW-UHFFFAOYSA-M methyl sulfate(1-) Chemical compound COS([O-])(=O)=O JZMJDSHXVKJFKW-UHFFFAOYSA-M 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- UUUGYDOQQLOJQA-UHFFFAOYSA-L vanadyl sulfate Chemical compound [V+2]=O.[O-]S([O-])(=O)=O UUUGYDOQQLOJQA-UHFFFAOYSA-L 0.000 description 1
- 239000002918 waste heat Substances 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
- C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP3938915.4 | 1989-11-24 | ||
| DE3938915A DE3938915C1 (enrdf_load_stackoverflow) | 1989-11-24 | 1989-11-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2030655A1 true CA2030655A1 (en) | 1991-05-25 |
Family
ID=6394110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002030655A Abandoned CA2030655A1 (en) | 1989-11-24 | 1990-11-22 | Process for the recovery of sulfuric acid |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0429933B1 (enrdf_load_stackoverflow) |
| JP (1) | JPH03177305A (enrdf_load_stackoverflow) |
| CA (1) | CA2030655A1 (enrdf_load_stackoverflow) |
| DE (2) | DE3938915C1 (enrdf_load_stackoverflow) |
| ES (1) | ES2057333T3 (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4403841C2 (de) * | 1994-02-08 | 1997-12-04 | Bayer Ag | Verfahren zum Eindampfen von Gebrauchtschwefelsäure |
| DE19741511A1 (de) * | 1997-09-20 | 1999-04-01 | Metallgesellschaft Ag | Verfahren zur Aufkonzentrierung von Dünnsäure durch Ausnutzung von Prozeßwärme in einer Zwangsumlaufverdampferanlage |
| GB9816464D0 (en) * | 1998-07-30 | 1998-09-23 | Tioxide Group Services Ltd | Process for the concentration of dilute sulphuric acid solutions |
| CN1207298C (zh) | 1999-09-28 | 2005-06-22 | 株式会社大塚制药工厂 | 三唑并嘌呤衍生物、含有该衍生物的药物组合物和腺苷a3受体亲和剂 |
| CN101891161A (zh) * | 2010-06-29 | 2010-11-24 | 上海华谊微电子材料有限公司 | 超纯硫酸的制备方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2352701A1 (de) * | 1973-10-20 | 1975-06-12 | Hoechst Ag | Verfahren zum aufkonzentrieren salzhaltiger, verduennter schwefelsaeure |
| DE2618121A1 (de) * | 1976-04-26 | 1977-11-10 | Kronos Titan Gmbh | Verfahren zur weitgehenden entfernung unerwuenschter metallionen, insbesondere chromionen, bei der aufkonzentrierung verduennter eisen(ii)-sulfathaltiger schwefelsaeureloesungen |
| EP0022181B1 (de) * | 1979-06-13 | 1983-10-12 | Bayer Ag | Verfahren und Vorrichtung zum Regenerieren von Schwefelsäure |
| DE3327769A1 (de) * | 1983-08-02 | 1985-02-14 | Bayer Ag, 5090 Leverkusen | Verfahren zur aufarbeitung von duennsaeuren |
| DE3632623A1 (de) * | 1986-09-25 | 1988-03-31 | Bayer Ag | Verfahren zum aufkonzentrieren von schwefelsaeure |
-
1989
- 1989-11-24 DE DE3938915A patent/DE3938915C1/de not_active Expired - Lifetime
-
1990
- 1990-11-10 DE DE9090121560T patent/DE59002095D1/de not_active Revoked
- 1990-11-10 ES ES90121560T patent/ES2057333T3/es not_active Expired - Lifetime
- 1990-11-10 EP EP90121560A patent/EP0429933B1/de not_active Revoked
- 1990-11-20 JP JP2312966A patent/JPH03177305A/ja active Pending
- 1990-11-22 CA CA002030655A patent/CA2030655A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| EP0429933A1 (de) | 1991-06-05 |
| DE59002095D1 (de) | 1993-09-02 |
| DE3938915C1 (enrdf_load_stackoverflow) | 1991-05-08 |
| ES2057333T3 (es) | 1994-10-16 |
| EP0429933B1 (de) | 1993-07-28 |
| JPH03177305A (ja) | 1991-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |