DE3542470C2 - - Google Patents
Info
- Publication number
- DE3542470C2 DE3542470C2 DE19853542470 DE3542470A DE3542470C2 DE 3542470 C2 DE3542470 C2 DE 3542470C2 DE 19853542470 DE19853542470 DE 19853542470 DE 3542470 A DE3542470 A DE 3542470A DE 3542470 C2 DE3542470 C2 DE 3542470C2
- Authority
- DE
- Germany
- Prior art keywords
- hydroxide
- iron
- silica
- solution
- electrolysis
- 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 - Fee Related
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 23
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 19
- 238000005868 electrolysis reaction Methods 0.000 claims description 13
- 239000000377 silicon dioxide Substances 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 8
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims description 8
- 239000002562 thickening agent Substances 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- 235000014413 iron hydroxide Nutrition 0.000 claims description 5
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- 229910021577 Iron(II) chloride Inorganic materials 0.000 claims description 3
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 claims description 3
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 239000000908 ammonium hydroxide Substances 0.000 claims description 2
- MSNWSDPPULHLDL-UHFFFAOYSA-K ferric hydroxide Chemical compound [OH-].[OH-].[OH-].[Fe+3] MSNWSDPPULHLDL-UHFFFAOYSA-K 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims 2
- 230000000996 additive effect Effects 0.000 claims 2
- 230000005070 ripening Effects 0.000 claims 2
- 238000000926 separation method Methods 0.000 claims 2
- 239000003513 alkali Substances 0.000 claims 1
- 238000004140 cleaning Methods 0.000 claims 1
- 238000006386 neutralization reaction Methods 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 239000008247 solid mixture Substances 0.000 claims 1
- 239000000725 suspension Substances 0.000 claims 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 8
- 229910004298 SiO 2 Inorganic materials 0.000 description 7
- 229910000975 Carbon steel Inorganic materials 0.000 description 4
- 239000010962 carbon steel Substances 0.000 description 4
- 238000005554 pickling Methods 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- 235000011114 ammonium hydroxide Nutrition 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000000 metal hydroxide Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 101100513612 Microdochium nivale MnCO gene Proteins 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- -1 ferrous metal hydroxides Chemical class 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- 229910000049 iron hydride Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-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
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/10—Halides
-
- 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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
- C22B7/007—Wet processes by acid leaching
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Silicon Compounds (AREA)
- Compounds Of Iron (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT399184A AT380675B (de) | 1984-12-17 | 1984-12-17 | Verfahren zum reinigen von salzsauren eisen(ii)-chloridloesungen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3542470A1 DE3542470A1 (de) | 1986-06-19 |
| DE3542470C2 true DE3542470C2 (enrdf_load_html_response) | 1993-01-07 |
Family
ID=3558178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853542470 Granted DE3542470A1 (de) | 1984-12-17 | 1985-11-30 | Verfahren zum reinigen von salzsauren eisen(ii)-chloridloesungen |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT380675B (enrdf_load_html_response) |
| BE (1) | BE903838A (enrdf_load_html_response) |
| DE (1) | DE3542470A1 (enrdf_load_html_response) |
| SE (1) | SE460365B (enrdf_load_html_response) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4116353C1 (en) * | 1991-05-18 | 1992-11-05 | Keramchemie Gmbh, 5433 Siershahn, De | Removal of amorphous or partially dissolved silicon from aq. treatment soln. - by subjecting soln. collected in vessel to pressure-driven membrane filtration and returning silicon-free filtrate to treatment soln. |
| FR2693478B1 (fr) * | 1992-07-08 | 1994-10-14 | Lorraine Laminage | Procédé de traitement de purification d'un bain acide usé de décapage de substrats en acier. |
| DE19624023B9 (de) * | 1996-06-17 | 2009-05-20 | Verein für Kernverfahrenstechnik und Analytik Rossendorf e.V. | Verfahren zur Sanierung saurer, eisenhaltiger Tagebaurestlochgewässer |
| ATA118798A (de) * | 1998-07-08 | 1999-10-15 | Eurox Eisenoxydproduktions Und | Verfahren zum abstumpfen von metallchlorid enthaltenden lösungen sowie zur herstellung von metalloxiden |
| AT13601U1 (de) | 2012-09-06 | 2014-04-15 | Astec Engineering Gmbh | Reinigung und Entkieselung verbrauchter Säurebeizbäder mittels kombinierter Mikrofiltrationsverfahren |
| CN114249353B (zh) * | 2021-12-18 | 2023-07-25 | 大连市环境保护有限公司产业废弃物处理厂 | 一种由废盐酸再生为液体氯化亚铁的方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2633872C2 (de) * | 1976-07-28 | 1978-03-30 | Preussag Ag Metall, 3380 Goslar | Verfahren zum Herstellen einer wasserigen Flußmittellauge für das Feuerverzinken |
-
1984
- 1984-12-17 AT AT399184A patent/AT380675B/de active
-
1985
- 1985-11-30 DE DE19853542470 patent/DE3542470A1/de active Granted
- 1985-12-12 BE BE2/60871A patent/BE903838A/fr not_active IP Right Cessation
- 1985-12-13 SE SE8505905A patent/SE460365B/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ATA399184A (de) | 1985-11-15 |
| BE903838A (fr) | 1986-04-01 |
| SE8505905D0 (sv) | 1985-12-13 |
| SE8505905L (sv) | 1986-06-18 |
| DE3542470A1 (de) | 1986-06-19 |
| SE460365B (sv) | 1989-10-02 |
| AT380675B (de) | 1986-06-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |