DE1621637A1 - Verfahren zur Aufarbeitung verbrauchter AEtzfluessigkeiten - Google Patents
Verfahren zur Aufarbeitung verbrauchter AEtzfluessigkeitenInfo
- Publication number
- DE1621637A1 DE1621637A1 DE19671621637 DE1621637A DE1621637A1 DE 1621637 A1 DE1621637 A1 DE 1621637A1 DE 19671621637 DE19671621637 DE 19671621637 DE 1621637 A DE1621637 A DE 1621637A DE 1621637 A1 DE1621637 A1 DE 1621637A1
- Authority
- DE
- Germany
- Prior art keywords
- temperature
- concentrate
- thermal decomposition
- liquid
- sulfuric 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.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims description 30
- 238000000034 method Methods 0.000 title claims description 26
- 238000012545 processing Methods 0.000 title description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 24
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000005979 thermal decomposition reaction Methods 0.000 claims description 11
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 9
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 239000012141 concentrate Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 6
- 230000008020 evaporation Effects 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 5
- 239000003518 caustics Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 229910052717 sulfur Inorganic materials 0.000 claims 1
- 239000011593 sulfur Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 15
- 239000000463 material Substances 0.000 description 8
- 238000005530 etching Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 230000002378 acidificating effect Effects 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000011790 ferrous sulphate Substances 0.000 description 3
- 235000003891 ferrous sulphate Nutrition 0.000 description 3
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000006200 vaporizer Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000013529 heat transfer fluid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000011874 heated mixture Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910000358 iron sulfate Inorganic materials 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/36—Regeneration of waste pickling liquors
-
- 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
-
- 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
- C01G49/06—Ferric oxide [Fe2O3]
-
- 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)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US53800766A | 1966-03-28 | 1966-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1621637A1 true DE1621637A1 (de) | 1971-06-03 |
Family
ID=24145040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19671621637 Pending DE1621637A1 (de) | 1966-03-28 | 1967-03-08 | Verfahren zur Aufarbeitung verbrauchter AEtzfluessigkeiten |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE695091A (enrdf_load_stackoverflow) |
| CH (1) | CH471905A (enrdf_load_stackoverflow) |
| DE (1) | DE1621637A1 (enrdf_load_stackoverflow) |
| FR (1) | FR1515350A (enrdf_load_stackoverflow) |
| GB (1) | GB1120072A (enrdf_load_stackoverflow) |
| NL (2) | NL6704421A (enrdf_load_stackoverflow) |
| SE (1) | SE329319B (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2428207A1 (fr) * | 1978-06-07 | 1980-01-04 | Gueugnon Forges | Procede et installation pour le traitement de bains fluonitriques uses |
| DE3130841A1 (de) * | 1981-08-04 | 1983-02-24 | Bayer Ag, 5090 Leverkusen | Verfahren zur spaltung von verduennter schwefelsaeure |
| DE3216420A1 (de) * | 1982-05-03 | 1983-11-03 | Bayer Ag, 5090 Leverkusen | Verfahren zur spaltung von verduennter schwefelsaeure |
| CH677933A5 (enrdf_load_stackoverflow) * | 1989-04-07 | 1991-07-15 | Escher Wyss Ag | |
| AT403665B (de) * | 1996-10-30 | 1998-04-27 | Andritz Patentverwaltung | Verfahren und anlage zur abscheidung feinster oxidteilchen |
| CN106943847B (zh) * | 2017-04-20 | 2023-08-15 | 成都瑞柯林工程技术有限公司 | 从酸洗废酸再生系统中回收微细氧化铁粉的装置 |
-
0
- NL NL134070D patent/NL134070C/xx active
-
1967
- 1967-02-21 GB GB8107/67A patent/GB1120072A/en not_active Expired
- 1967-03-06 FR FR97523A patent/FR1515350A/fr not_active Expired
- 1967-03-06 BE BE695091D patent/BE695091A/xx unknown
- 1967-03-07 CH CH330267A patent/CH471905A/fr not_active IP Right Cessation
- 1967-03-08 DE DE19671621637 patent/DE1621637A1/de active Pending
- 1967-03-22 SE SE04071/67A patent/SE329319B/xx unknown
- 1967-03-28 NL NL6704421A patent/NL6704421A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1120072A (en) | 1968-07-17 |
| NL134070C (enrdf_load_stackoverflow) | 1900-01-01 |
| FR1515350A (fr) | 1968-03-01 |
| CH471905A (fr) | 1969-04-30 |
| BE695091A (enrdf_load_stackoverflow) | 1967-09-06 |
| SE329319B (enrdf_load_stackoverflow) | 1970-10-05 |
| NL6704421A (enrdf_load_stackoverflow) | 1967-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69127071T2 (de) | Verfahren zur oxydation von materialien in wasser bei überkritischen temperaturen | |
| DE2646729C3 (de) | Verfahren zum Verkoken gummihaltiger Abfälle | |
| DE2326058A1 (de) | Verfahren zur entfernung von schwefelwasserstoff aus geschmolzenem schwefel | |
| DE1621637A1 (de) | Verfahren zur Aufarbeitung verbrauchter AEtzfluessigkeiten | |
| DE2311085A1 (de) | Trennung von fluessigen aggressiven stoffgemischen | |
| DE2809474C2 (enrdf_load_stackoverflow) | ||
| DE2112783A1 (de) | Verfahren und Vorrichtung zum Abscheiden von organischen Stoffen aus chemischen Abgasen | |
| DE900339C (de) | Verfahren und Vorrichtung zur Herstellung von kolloidaler Kieselsaeure in Aerogelform | |
| DE69311069T2 (de) | Verfahren zur thermischen Behandlung einer Abfallflüssigkeit mit organischen Schadstoffen oder einer anorganischen Verbindung | |
| DE102016114121A1 (de) | Verfahren und Anlage zur Erzeugung von Wasserstoff mittels katalytischer Dampfreformierung eines kohlenwasserstoffhaltigen Einsatzgases | |
| DE1567575C3 (de) | Verfahren zur Herstellung von Chlor | |
| DE1942950A1 (de) | Wiedergewinnung der Bestandteile aus Beizereiabwaessern | |
| EP1295849B1 (de) | Verfahren zur Niedertemperatur-Verbrennung von Schwefel zur Herstellung von Oleum und Schwefelsäure | |
| DE3315630A1 (de) | Verfahren und vorrichtung zur herstellung von phosphorpentoxid unter ausnutzung der reaktionswaerme | |
| DE1006400B (de) | Mit Fuellkoerpern versehener Turm fuer die Absorption von Chlorwasserstoff aus Gasen | |
| DE3017547C2 (enrdf_load_stackoverflow) | ||
| DE2951133C2 (enrdf_load_stackoverflow) | ||
| DE499657C (de) | Brenner fuer die unmittelbare Einfuehrung von Verbrennungsgasen in zu erhitzende Fluessigkeiten | |
| DE963521C (de) | Verfahren zur kontinuierlichen Herstellung von Phenol | |
| DE1592960A1 (de) | Verfahren zum Kuehlen heisser Gas-Feststoff-Suspensionen | |
| AT79562B (de) | Rostschutzverfahren. | |
| DE102023118584A1 (de) | Druckbehältervorrichtung zum Herstellen von Karbonisaten aus Biomasse mittels vapothermaler Karbonisierung und Anlage | |
| DE891357C (de) | Verfahren zur Gewinnung von chemischen Substanzen aus Calciumsulfitablauge | |
| DD241596A1 (de) | Verfahren und vorrichtung zur herstellung von cholin | |
| DE561980C (de) | Verfahren zum Loesen von festen Stoffen |