DD271100A5 - Verfahren zur gewinnung bzw. rueckgewinnung von saeuren aus metallhaltigen loesungen dieser saeuren - Google Patents
Verfahren zur gewinnung bzw. rueckgewinnung von saeuren aus metallhaltigen loesungen dieser saeuren Download PDFInfo
- Publication number
- DD271100A5 DD271100A5 DD88316752A DD31675288A DD271100A5 DD 271100 A5 DD271100 A5 DD 271100A5 DD 88316752 A DD88316752 A DD 88316752A DD 31675288 A DD31675288 A DD 31675288A DD 271100 A5 DD271100 A5 DD 271100A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- solutions
- recovery
- absorption
- column
- acid
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000011084 recovery Methods 0.000 title claims abstract description 23
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 34
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 29
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 29
- 239000002253 acid Substances 0.000 claims abstract description 26
- 239000007789 gas Substances 0.000 claims abstract description 26
- 238000010521 absorption reaction Methods 0.000 claims abstract description 25
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 150000007513 acids Chemical class 0.000 claims abstract description 13
- 238000009833 condensation Methods 0.000 claims abstract description 13
- 230000005494 condensation Effects 0.000 claims abstract description 12
- 229910052742 iron Inorganic materials 0.000 claims abstract description 9
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 9
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 8
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 8
- 150000001768 cations Chemical class 0.000 claims abstract description 7
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 239000007800 oxidant agent Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 238000001694 spray drying Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 64
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 13
- 238000002474 experimental method Methods 0.000 description 12
- 238000000354 decomposition reaction Methods 0.000 description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 239000010936 titanium Substances 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 239000011651 chromium Substances 0.000 description 8
- 150000002739 metals Chemical class 0.000 description 8
- 238000005554 pickling Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000006386 neutralization reaction Methods 0.000 description 6
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 238000000502 dialysis Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000000909 electrodialysis Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 description 2
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 101100310856 Drosophila melanogaster spri gene Proteins 0.000 description 1
- XWROUVVQGRRRMF-UHFFFAOYSA-N F.O[N+]([O-])=O Chemical compound F.O[N+]([O-])=O XWROUVVQGRRRMF-UHFFFAOYSA-N 0.000 description 1
- 241000739883 Pseudotetracha ion Species 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- HLQQMPGKASWZPH-UHFFFAOYSA-N diethyl hexyl phosphate Chemical compound CCCCCCOP(=O)(OCC)OCC HLQQMPGKASWZPH-UHFFFAOYSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000002222 fluorine compounds Chemical group 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- SHXXPRJOPFJRHA-UHFFFAOYSA-K iron(iii) fluoride Chemical compound F[Fe](F)F SHXXPRJOPFJRHA-UHFFFAOYSA-K 0.000 description 1
- 229910052935 jarosite Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000010310 metallurgical process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000011698 potassium fluoride Substances 0.000 description 1
- 235000003270 potassium fluoride Nutrition 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 239000004323 potassium nitrate Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- HDUMBHAAKGUHAR-UHFFFAOYSA-J titanium(4+);disulfate Chemical class [Ti+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O HDUMBHAAKGUHAR-UHFFFAOYSA-J 0.000 description 1
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- 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
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
- C01B21/38—Nitric acid
- C01B21/46—Purification; Separation ; Stabilisation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/18—Transportable devices to obtain potable water
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/46—Regeneration of etching compositions
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/01—Waste acid containing iron
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Treating Waste Gases (AREA)
- ing And Chemical Polishing (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0153487A AT395312B (de) | 1987-06-16 | 1987-06-16 | Verfahren zur gewinnung bzw. rueckgewinnung von saeure aus metallhaltigen loesungen dieser saeure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD271100A5 true DD271100A5 (de) | 1989-08-23 |
Family
ID=3515574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD88316752A DD271100A5 (de) | 1987-06-16 | 1988-06-14 | Verfahren zur gewinnung bzw. rueckgewinnung von saeuren aus metallhaltigen loesungen dieser saeuren |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US5149515A (ru) |
| EP (1) | EP0296147B1 (ru) |
| KR (1) | KR960000308B1 (ru) |
| CN (1) | CN1017165B (ru) |
| AT (1) | AT395312B (ru) |
| AU (1) | AU601845B2 (ru) |
| BR (1) | BR8802957A (ru) |
| CA (1) | CA1335150C (ru) |
| CS (1) | CS274470B2 (ru) |
| DD (1) | DD271100A5 (ru) |
| DE (1) | DE3862529D1 (ru) |
| ES (1) | ES2022720B3 (ru) |
| IN (1) | IN169517B (ru) |
| SU (1) | SU1739859A3 (ru) |
| UA (1) | UA13317A (ru) |
| ZA (1) | ZA884264B (ru) |
Families Citing this family (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4315551C2 (de) * | 1993-05-10 | 2003-01-16 | Gewerk Keramchemie | Verfahren zur Regenerierung von verbrauchten, Metallsalze und/oder Metalloxide enthaltenden Lösungen, insbesondere Milchsäuren |
| US5500098A (en) * | 1993-08-05 | 1996-03-19 | Eco-Tec Limited | Process for regeneration of volatile acids |
| AT412001B (de) * | 1995-03-07 | 2004-08-26 | Edv Systemanalyse Und Systemde | Verfahren zur gewinnung bzw. rückgewinnung von säuren |
| AT403698B (de) | 1995-11-27 | 1998-04-27 | Andritz Patentverwaltung | Verfahren zur gewinnung bzw. rückgewinnung von säuren aus metallhaltigen lösungen dieser säuren |
| FR2742257B1 (fr) * | 1995-12-12 | 1998-01-30 | Comurhex | Procede de valorisation, sous forme d'acide nitrique, des ions nitrates contenus dans les effluents de l'industrie nucleaire |
| EP0843025A1 (de) * | 1996-11-15 | 1998-05-20 | Keramchemie GmbH | Verfahren zur Regenerierung einer verbrauchten Beizlösung |
| AT409373B (de) | 1997-08-06 | 2002-07-25 | Andritz Ag Maschf | Verfahren und vorrichtung zur gewinnung bzw. rückgewinnung von säuren aus lösungen |
| AT406168B (de) * | 1998-09-03 | 2000-03-27 | Eurox Eisenoxydproduktions Und | Verfahren zur gewinnung bzw. rückgewinnung von flusssäure und salpetersäure |
| US6284212B1 (en) * | 1998-11-10 | 2001-09-04 | O'brien Robert N. | Method of nitric acid formation using a catalytic solution |
| AT407757B (de) * | 1999-03-22 | 2001-06-25 | Andritz Patentverwaltung | Verfahren zur rückgewinnung von säuren aus metallhaltigen lösungen dieser säuren |
| US6692719B1 (en) * | 2000-11-08 | 2004-02-17 | Hatch Ltd. | Process for regeneration of acid halide solutions |
| AT411900B (de) * | 2001-04-25 | 2004-07-26 | Andritz Ag Maschf | Verfahren und vorrichtung zur gewinnung von metalloxiden |
| AT413697B (de) * | 2001-11-07 | 2006-05-15 | Andritz Ag Maschf | Verfahren zur behandlung säurehältiger abwässer |
| DE10231308C5 (de) | 2002-07-10 | 2009-10-15 | Cmi Uvk Gmbh | Verfahren und Vorrichtung zum Recyceln von Edelstahl-Beizbädern |
| FR2874220B1 (fr) * | 2004-08-10 | 2007-07-06 | Snecma Moteurs Sa | Procede de regeneration des acides d'usinage chimique, installation pour la mise en oeuvre du procede et procede d'usinage chimique associe. |
| GB0427968D0 (en) * | 2004-12-21 | 2005-01-26 | Davy Process Technology Switze | Process |
| CN101164904B (zh) * | 2007-09-30 | 2010-04-21 | 赫东波 | 制备四氧化三钴粉末的焙烧炉的气动给料装置 |
| DE102009019801A1 (de) | 2009-05-02 | 2010-11-04 | Klaus Klein | Energierückgewinnung aus Abgasen thermischer Prozesse |
| IL200860A (en) | 2009-09-10 | 2015-07-30 | Green Future Ltd | Galvanic wastewater treatment and the production of iron oxide sized nanoparticles |
| CN101787537B (zh) * | 2009-12-11 | 2011-11-16 | 北京天泰兴工程科技有限公司 | 微负压-负压蒸发、结晶工艺回收不锈钢退火酸洗废硝酸氢氟酸 |
| AT508774B1 (de) | 2010-04-20 | 2011-04-15 | Key Technologies Ind Gmbh | Verfahren zur gewinnung bzw. rückgewinnung von salpetersäure und flusssäure aus lösungen von edelstahlbeizanlagen |
| CN102285642A (zh) * | 2010-06-21 | 2011-12-21 | 苏州爱游网络科技有限公司 | 一种废酸处理设备 |
| CN103319038A (zh) * | 2012-03-23 | 2013-09-25 | 山西太钢不锈钢股份有限公司 | 一种处理废混酸的方法 |
| AT13601U1 (de) | 2012-09-06 | 2014-04-15 | Astec Engineering Gmbh | Reinigung und Entkieselung verbrauchter Säurebeizbäder mittels kombinierter Mikrofiltrationsverfahren |
| EP2784185A1 (en) * | 2013-03-27 | 2014-10-01 | CMI UVK GmbH | Process for recovering acids from a spent acid solution containing metal salts |
| EP2784186A1 (en) * | 2013-03-27 | 2014-10-01 | CMI UVK GmbH | Process for recovering metal oxide particles from a spent acid solution containing metal salts |
| AT13805U1 (de) | 2013-07-04 | 2014-09-15 | Pureox Industrieanlagenbau Gmbh | Verfahren zur elektrochemischen Oxidation von Fe-2+-Chlorid-Lösungen |
| AT514420B1 (de) | 2013-09-26 | 2015-01-15 | Andritz Ag Maschf | Verfahren und Vorrichtung zur Regeneration von Salzsäure |
| AT515414B1 (de) | 2014-04-07 | 2015-09-15 | Andritz Ag Maschf | Verfahren und Vorrichtung zur Regeneration von Salzsäure aus metallhaltigen Lösungen mit Oxidaufbereitung |
| AT515557B1 (de) | 2014-05-28 | 2015-10-15 | Andritz Ag Maschf | Verfahren zur Aufbereitung von Verpackungsmaterial |
| AT517710B1 (de) * | 2016-04-13 | 2017-04-15 | Andritz Ag Maschf | Verfahren zum elektrolytischen beizen von metallbändern |
| CN108236837B (zh) * | 2017-04-21 | 2020-08-25 | 金广恒环保技术（南京）股份有限公司 | 一种含铬废气处理装置 |
| CN110160063B (zh) * | 2018-02-11 | 2020-12-08 | 阮氏化工（常熟）有限公司 | 一种含有有机物、重金属、混合废酸燃烧处置工艺 |
| AT521596A1 (de) * | 2018-09-05 | 2020-03-15 | Single Use Support Gmbh | Kühlplattenanordnung und Verfahren |
| CN109467065B (zh) * | 2018-11-30 | 2023-09-19 | 中冶南方工程技术有限公司 | 一种不锈钢混酸废液再生酸设备 |
| CN109553152B (zh) * | 2018-11-30 | 2021-09-10 | 中冶南方工程技术有限公司 | 一种不锈钢混酸废液再生酸工艺 |
| AT522594B1 (de) * | 2019-09-03 | 2020-12-15 | Umwandlung von Metallsaizösungen in flüssige Säuren und feste Metalloxide | |
| AT526794A1 (de) | 2022-12-20 | 2024-07-15 | Andritz Ag Maschf | Verfahren zur regeneration von saeure |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1273991A (en) * | 1918-05-18 | 1918-07-30 | Norsk Hydro Elektrisk | Process of the manufacture of nitric acid. |
| US2155119A (en) * | 1935-08-13 | 1939-04-18 | American Lurgi Corp | Process of and apparatus for the thermal decomposition of substances or mixtures of same |
| US2771344A (en) * | 1954-08-05 | 1956-11-20 | Cabot Godfrey L Inc | Manufacture of iron oxide pigment |
| US3310435A (en) * | 1963-11-18 | 1967-03-21 | Dravo Corp | Process for continuous pickling of steel strip and regeneration of the contact acid |
| US3658483A (en) * | 1970-05-18 | 1972-04-25 | Sued Chemie Ag | Apparatus for the production of concentrated hydrohalogen acids and metal oxides |
| SE351444B (ru) * | 1970-11-03 | 1972-11-27 | Nordstjernan Rederi Ab | |
| US3745207A (en) * | 1971-01-25 | 1973-07-10 | Environmental Technology | Process for the recovery of waste pickle liquor |
| DE2209960C3 (de) * | 1972-03-02 | 1979-10-11 | Bayer Ag, 5090 Leverkusen | Verfahren zur Aufarbeitung von Fluorwasserstoff-haltigen Rohgasen der Flußsäureherstellung |
| FR2239279B1 (ru) * | 1973-07-30 | 1979-02-23 | Ugine Kuhlmann | |
| AU512846B2 (en) * | 1976-07-02 | 1980-10-30 | Toledo Pickling and Steel Service, Inc | System for the regeneration of waste hydrochloric acid pickle liquor |
| JPS54123595A (en) * | 1978-03-20 | 1979-09-25 | Sumitomo Metal Ind Ltd | Recovering method for hydrofluoric and nitric acids |
| US4341747A (en) * | 1978-08-15 | 1982-07-27 | Fmc Corporation | Process of removing nitrogen oxides from gaseous mixtures |
| JPS5538035A (en) * | 1978-09-09 | 1980-03-17 | Hitachi Ltd | Soundproof type electric appliance |
| JPS5539627A (en) * | 1978-09-14 | 1980-03-19 | Nippon Telegr & Teleph Corp <Ntt> | Automatic device for measuring specific resistance distribution of semiconductor |
| FI58519C (fi) * | 1978-12-07 | 1981-02-10 | Rosenlew Ab Oy W | Foerfarande foer regenerering av betningssyror |
| AT376632B (de) * | 1979-06-15 | 1984-12-10 | Ruthner Industrieanlagen Ag | Verfahren und anlage zur gewinnung bzw. rueckgewinnung von flussaeure |
| AT374508B (de) * | 1982-07-01 | 1984-05-10 | Ruthner Industrieanlagen Ag | Verfahren zur aufarbeitung verbrauchter beizoder aetzloesungen auf der basis von salpeter-flussaeure |
-
1987
- 1987-06-16 AT AT0153487A patent/AT395312B/de not_active IP Right Cessation
-
1988
- 1988-05-24 AU AU16572/88A patent/AU601845B2/en not_active Ceased
- 1988-05-25 IN IN419/CAL/88A patent/IN169517B/en unknown
- 1988-06-09 EP EP88890140A patent/EP0296147B1/de not_active Expired - Lifetime
- 1988-06-09 DE DE8888890140T patent/DE3862529D1/de not_active Expired - Lifetime
- 1988-06-09 ES ES88890140T patent/ES2022720B3/es not_active Expired - Lifetime
- 1988-06-14 DD DD88316752A patent/DD271100A5/de not_active IP Right Cessation
- 1988-06-15 UA UA4355926A patent/UA13317A/ru unknown
- 1988-06-15 KR KR1019880007175A patent/KR960000308B1/ko not_active IP Right Cessation
- 1988-06-15 SU SU4355926A patent/SU1739859A3/ru active
- 1988-06-15 ZA ZA884264A patent/ZA884264B/xx unknown
- 1988-06-15 CA CA000569531A patent/CA1335150C/en not_active Expired - Fee Related
- 1988-06-16 BR BR8802957A patent/BR8802957A/pt not_active IP Right Cessation
- 1988-06-16 CN CN88103731A patent/CN1017165B/zh not_active Expired
- 1988-06-16 CS CS420888A patent/CS274470B2/cs unknown
-
1990
- 1990-11-29 US US07/622,352 patent/US5149515A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0296147A1 (de) | 1988-12-21 |
| CA1335150C (en) | 1995-04-11 |
| DE3862529D1 (de) | 1991-05-29 |
| AT395312B (de) | 1992-11-25 |
| SU1739859A3 (ru) | 1992-06-07 |
| US5149515A (en) | 1992-09-22 |
| KR960000308B1 (ko) | 1996-01-04 |
| ZA884264B (en) | 1989-03-29 |
| CS420888A2 (en) | 1990-09-12 |
| AU601845B2 (en) | 1990-09-20 |
| KR890000353A (ko) | 1989-03-14 |
| CN1017165B (zh) | 1992-06-24 |
| ATA153487A (de) | 1992-04-15 |
| AU1657288A (en) | 1988-12-22 |
| ES2022720B3 (es) | 1991-12-01 |
| CS274470B2 (en) | 1991-04-11 |
| CN88103731A (zh) | 1988-12-28 |
| IN169517B (ru) | 1991-11-02 |
| BR8802957A (pt) | 1989-01-10 |
| UA13317A (ru) | 1997-02-28 |
| EP0296147B1 (de) | 1991-04-24 |
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| Date | Code | Title | Description |
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| ENJ | Ceased due to non-payment of renewal fee |