FI68668C - Foerfarande foer regenerering av betbadloesningar - Google Patents
Foerfarande foer regenerering av betbadloesningar Download PDFInfo
- Publication number
- FI68668C FI68668C FI812817A FI812817A FI68668C FI 68668 C FI68668 C FI 68668C FI 812817 A FI812817 A FI 812817A FI 812817 A FI812817 A FI 812817A FI 68668 C FI68668 C FI 68668C
- Authority
- FI
- Finland
- Prior art keywords
- solution
- pickling
- acid
- iron
- temperature
- Prior art date
Links
- 238000005554 pickling Methods 0.000 claims abstract description 106
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000000034 method Methods 0.000 claims abstract description 71
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 70
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229910052742 iron Inorganic materials 0.000 claims abstract description 35
- 238000001816 cooling Methods 0.000 claims abstract description 25
- 238000002425 crystallisation Methods 0.000 claims abstract description 21
- 230000008025 crystallization Effects 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 150000002505 iron Chemical class 0.000 claims abstract description 11
- 229910000640 Fe alloy Inorganic materials 0.000 claims abstract description 6
- 238000011069 regeneration method Methods 0.000 claims description 20
- 230000008929 regeneration Effects 0.000 claims description 18
- 239000013078 crystal Substances 0.000 claims description 9
- 230000002829 reductive effect Effects 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- -1 salt salts Chemical class 0.000 claims 1
- 239000002253 acid Substances 0.000 abstract description 58
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract description 38
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract description 19
- 159000000014 iron salts Chemical class 0.000 abstract description 9
- 239000002244 precipitate Substances 0.000 abstract description 7
- 230000001172 regenerating effect Effects 0.000 abstract description 6
- 235000011149 sulphuric acid Nutrition 0.000 abstract description 3
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 98
- 235000003891 ferrous sulphate Nutrition 0.000 description 18
- 239000011790 ferrous sulphate Substances 0.000 description 17
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 9
- 230000007423 decrease Effects 0.000 description 8
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 8
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 8
- 208000001840 Dandruff Diseases 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 6
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 150000007513 acids Chemical class 0.000 description 5
- 238000007792 addition Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000008346 aqueous phase Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical class Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000010587 phase diagram Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000012384 transportation and delivery Methods 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 229910021577 Iron(II) chloride Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910002065 alloy metal Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 229910000398 iron phosphate Inorganic materials 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 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
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 229910001510 metal chloride Inorganic materials 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
- 238000003466 welding Methods 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Television Signal Processing For Recording (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8000444 | 1980-01-18 | ||
SE8000444 | 1980-01-18 | ||
SE8100007 | 1981-01-16 | ||
PCT/SE1981/000007 WO1981002026A1 (en) | 1980-01-18 | 1981-01-16 | A method of regenerating pickling bath solutions |
Publications (3)
Publication Number | Publication Date |
---|---|
FI812817L FI812817L (fi) | 1981-09-10 |
FI68668B FI68668B (fi) | 1985-06-28 |
FI68668C true FI68668C (fi) | 1985-10-10 |
Family
ID=20340024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI812817A FI68668C (fi) | 1980-01-18 | 1981-09-10 | Foerfarande foer regenerering av betbadloesningar |
Country Status (6)
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3422284A1 (de) * | 1983-08-17 | 1985-03-07 | Georg Fischer AG, Schaffhausen, CH, Niederlassung: Georg Fischer AG, 7700 Singen | Verbindungsglied, insbesondere pleuel oder schaekel |
SE452481B (sv) * | 1985-03-19 | 1987-11-30 | Korrosionsforskning Ab | Forfarande for regenerering av betbad samt regenererbar losning for betning av jern- och stalforemal |
NL9302035A (nl) * | 1993-11-24 | 1995-06-16 | Piet De Vries | Beitswerkwijze en een inrichting daarvoor. |
US5591527A (en) * | 1994-11-02 | 1997-01-07 | Minnesota Mining And Manufacturing Company | Optical security articles and methods for making same |
US20020005210A1 (en) * | 2000-01-05 | 2002-01-17 | Olsen Douglas R. | Regenerating spent pickling liquor |
ES2291576T5 (es) * | 2003-10-06 | 2012-05-17 | Kerr-Mcgee Pigments Gmbh | Procedimiento para la regeneración de ácido sulfúrico usado contaminado con hierro |
CN103014737A (zh) * | 2011-09-22 | 2013-04-03 | 河南红日锂能源科技有限公司 | 一种冷轧钢酸洗废酸处理方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU152603A3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1900-01-01 | |||
US1279331A (en) * | 1918-05-11 | 1918-09-17 | James H Gravell | Pickling iron and steel. |
US1589610A (en) * | 1925-07-08 | 1926-06-22 | American Copperas Company | Method of reclaiming spent pickling solutions |
DE561514C (de) * | 1929-10-22 | 1932-10-14 | Ferdinand Fraensemeier | Verfahren zur Behandlung schwefelsaurer Eisenbeizablaugen mit Gewinnung von wasserarmem Eisensulfat |
FR723484A (fr) * | 1931-08-03 | 1932-04-09 | Zahn & Co G M B H | Procédé d'utilisation, en cycle continu, des lessives de décapage à acide sulfurique avec récupération de l'acide sulfurique libre des solutions de décapage finales |
US2118802A (en) * | 1936-01-30 | 1938-05-31 | Zahn & Co G M B H | Method of conserving pickling liquor |
US2155854A (en) * | 1937-05-26 | 1939-04-25 | American Rolling Mill Co | Pickling process |
US2559445A (en) * | 1946-12-12 | 1951-07-03 | Union Switch & Signal Co | Method for removing scale from steel |
BE483353A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1947-06-25 | |||
BE518181A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1952-03-13 | |||
DE1124781B (de) * | 1958-03-31 | 1962-03-01 | Peter Niedner Dipl Ing | Verfahren zum Aufarbeiten von schwefelsauren Eisenbeizlaugen |
AT247104B (de) * | 1963-09-02 | 1966-05-25 | Othmar Ing Ruthner | Verfahren zum Regenerieren salzsaurer Eisenbeizen |
GB1102463A (en) * | 1963-12-13 | 1968-02-07 | Molbros Ltd | Improvements in or relating to a process for the treatment of spent acid liquors |
DE1621580A1 (de) * | 1966-07-14 | 1971-05-13 | Gewerk Keramchemie | Verfahren und Vorrichtung zur kontinuierlichen Ausscheidung des Eisens aus schwefelsauren Beizbaedern |
US3635664A (en) * | 1969-08-20 | 1972-01-18 | Daido Chem Eng Corp | REGENERATION OF HYDROCHLORIC ACID PICKLING WASTE BY H{11 SO{11 {0 ADDITION, DISTILLATION AND FeSO{11 {0 Precipitation |
DE2209954A1 (de) * | 1972-03-02 | 1973-09-06 | Helmut Babbel | Verfahren und vorrichtung zur aufbereitung einer abfallbeize |
-
1981
- 1981-01-16 EP EP81850009A patent/EP0032886B1/en not_active Expired
- 1981-01-16 DE DE8181850009T patent/DE3163015D1/de not_active Expired
- 1981-01-16 JP JP50046081A patent/JPS56501886A/ja active Pending
- 1981-01-16 WO PCT/SE1981/000007 patent/WO1981002026A1/en active IP Right Grant
- 1981-01-16 AT AT81850009T patent/ATE7050T1/de not_active IP Right Cessation
- 1981-09-10 FI FI812817A patent/FI68668C/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3163015D1 (en) | 1984-05-17 |
EP0032886B1 (en) | 1984-04-11 |
WO1981002026A1 (en) | 1981-07-23 |
FI812817L (fi) | 1981-09-10 |
ATE7050T1 (de) | 1984-04-15 |
FI68668B (fi) | 1985-06-28 |
EP0032886A1 (en) | 1981-07-29 |
JPS56501886A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-12-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RU2495827C2 (ru) | Способ регенерации оксида железа и хлористоводородной кислоты | |
US4013430A (en) | Process for regenerating absorbing solution used for exhaust gas purification | |
FI68668C (fi) | Foerfarande foer regenerering av betbadloesningar | |
Anderez et al. | Acid pickling of carbon steel | |
US9752238B2 (en) | Method and formulations for removing rust and scale from steel and for regenerating pickling liquor in hot-dip galvanization process | |
US20030026746A1 (en) | Regenerating spent pickling liquor | |
WO2021074904A1 (en) | Process for the regeneration of hydrochloric acid pickle liquors | |
CN109022792A (zh) | 待处理靶材的处理方法 | |
Hudson | Pickling and descaling | |
US7351391B1 (en) | System and method for converting the spent remnants of a first pickling acid solution into a usable second pickling acid solution | |
DE4122920A1 (de) | Verfahren zum regenerieren salzsaurer beizloesungen | |
CA1100283A (en) | Removal of undesirable metal ions in the concentration of dilute sulfuric acid solutions containing iron (ii) sulfate | |
FI68865B (fi) | Foerfarande foer pyrning av jaern och jaernlegeringar med syraoch en blandning foer utfoerande av foerfarandet | |
US5603839A (en) | Process for the recovery of waste sulphuric acid | |
JPH11322343A (ja) | 塩化鉄の硫酸塩転換と塩基性硫酸第二鉄製造の方法 | |
Niecko | Recovery of ferrous sulfate and sulfuric acid from spent pickle liquor of the steel industry | |
WO2000006487A1 (en) | Process for the concentration of dilute sulphuric acid solutions | |
ES2239900B1 (es) | Proceso de recuperacion de acido clorhidrico de baños agotados de decapado de metales mediante la sustitucion por desplazamiento con acido sulfurico produciendo sulfatos de hierro y de cinc. | |
WO2025057051A1 (en) | Acid regeneration process for pickling process | |
Lazăr et al. | Researches on possibility to recover and reuse the iron (ii) sulphate from etching of rolled steels | |
JPS5988325A (ja) | 硫酸廃液の処理方法 | |
JPH01156429A (ja) | 連続焼鈍冷延鋼板の冷却処理方法 | |
JPS61108696A (ja) | コ−クスの脱リン処理方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: BOLIDEN AKTIEBOLAG |