DE2302723A1 - Verfahren zur entfernung von sechswertigem chrom aus chlorat enthaltenden fluessigkeiten - Google Patents
Verfahren zur entfernung von sechswertigem chrom aus chlorat enthaltenden fluessigkeitenInfo
- Publication number
- DE2302723A1 DE2302723A1 DE2302723A DE2302723A DE2302723A1 DE 2302723 A1 DE2302723 A1 DE 2302723A1 DE 2302723 A DE2302723 A DE 2302723A DE 2302723 A DE2302723 A DE 2302723A DE 2302723 A1 DE2302723 A1 DE 2302723A1
- Authority
- DE
- Germany
- Prior art keywords
- solution
- sodium
- mole
- hexavalent chromium
- treated
- 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
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 title claims description 35
- 238000000034 method Methods 0.000 title claims description 31
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims description 16
- 239000007788 liquid Substances 0.000 title description 6
- 239000000243 solution Substances 0.000 claims description 63
- 239000011651 chromium Substances 0.000 claims description 31
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 claims description 26
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 22
- 229910052783 alkali metal Inorganic materials 0.000 claims description 19
- -1 alkali metal chlorate Chemical class 0.000 claims description 17
- 229910052804 chromium Inorganic materials 0.000 claims description 15
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 15
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Inorganic materials Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 claims description 14
- 229910052979 sodium sulfide Inorganic materials 0.000 claims description 14
- IHYNKGRWCDKNEG-UHFFFAOYSA-N n-(4-bromophenyl)-2,6-dihydroxybenzamide Chemical compound OC1=CC=CC(O)=C1C(=O)NC1=CC=C(Br)C=C1 IHYNKGRWCDKNEG-UHFFFAOYSA-N 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 150000001845 chromium compounds Chemical class 0.000 claims 1
- 239000011734 sodium Substances 0.000 description 28
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 27
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 17
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 11
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 description 9
- 239000011780 sodium chloride Substances 0.000 description 8
- 239000005708 Sodium hypochlorite Substances 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 5
- JHWIEAWILPSRMU-UHFFFAOYSA-N 2-methyl-3-pyrimidin-4-ylpropanoic acid Chemical compound OC(=O)C(C)CC1=CC=NC=N1 JHWIEAWILPSRMU-UHFFFAOYSA-N 0.000 description 4
- 159000000009 barium salts Chemical class 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- 150000001340 alkali metals Chemical class 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- VQWFNAGFNGABOH-UHFFFAOYSA-K chromium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Cr+3] VQWFNAGFNGABOH-UHFFFAOYSA-K 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003929 acidic solution Substances 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- XTEGARKTQYYJKE-UHFFFAOYSA-N chloric acid Chemical compound OCl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-N 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 150000004763 sulfides Chemical class 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-M hydrosulfide Chemical compound [SH-] RWSOTUBLDIXVET-UHFFFAOYSA-M 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Chemical compound CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- ZOCLAPYLSUCOGI-UHFFFAOYSA-M potassium hydrosulfide Chemical compound [SH-].[K+] ZOCLAPYLSUCOGI-UHFFFAOYSA-M 0.000 description 1
- DPLVEEXVKBWGHE-UHFFFAOYSA-N potassium sulfide Chemical compound [S-2].[K+].[K+] DPLVEEXVKBWGHE-UHFFFAOYSA-N 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000009518 sodium iodide Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000004448 titration Methods 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
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/12—Chloric acid
- C01B11/14—Chlorates
- C01B11/145—Separation; Crystallisation; Purification, After-treatment; Stabilisation by additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21937572A | 1972-01-20 | 1972-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2302723A1 true DE2302723A1 (de) | 1973-07-26 |
Family
ID=22819028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2302723A Pending DE2302723A1 (de) | 1972-01-20 | 1973-01-19 | Verfahren zur entfernung von sechswertigem chrom aus chlorat enthaltenden fluessigkeiten |
Country Status (12)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4086150A (en) | 1977-06-27 | 1978-04-25 | Huron Chemicals Limited | Chromate removal by precipitation |
| CN102718260B (zh) * | 2012-07-04 | 2014-04-30 | 甘肃锦世化工有限责任公司 | 联产氯化铬和碳酸铬的生产方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3616344A (en) * | 1968-01-15 | 1971-10-26 | Hooker Chemical Corp | Electrochemical machining with fireretardant sodium chlorate compositions |
-
0
- BE BE794070D patent/BE794070A/xx unknown
-
1973
- 1973-01-03 ZA ZA730059A patent/ZA7359B/xx unknown
- 1973-01-05 AU AU50795/73A patent/AU468693B2/en not_active Expired
- 1973-01-11 CA CA161,057A patent/CA990933A/en not_active Expired
- 1973-01-17 ES ES410714A patent/ES410714A1/es not_active Expired
- 1973-01-17 BR BR73387A patent/BR7300387D0/pt unknown
- 1973-01-18 NL NL7300722A patent/NL7300722A/xx unknown
- 1973-01-19 JP JP48008465A patent/JPS4885497A/ja active Pending
- 1973-01-19 DE DE2302723A patent/DE2302723A1/de active Pending
- 1973-01-19 FR FR7301882A patent/FR2168530A1/fr active Granted
- 1973-01-19 IT IT19382/73A patent/IT978296B/it active
- 1973-06-09 OA OA54929A patent/OA04419A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU5079573A (en) | 1974-07-11 |
| ZA7359B (en) | 1973-09-26 |
| OA04419A (fr) | 1980-02-29 |
| NL7300722A (enrdf_load_stackoverflow) | 1973-07-24 |
| AU468693B2 (en) | 1976-01-22 |
| FR2168530A1 (en) | 1973-08-31 |
| CA990933A (en) | 1976-06-15 |
| BE794070A (fr) | 1973-07-16 |
| IT978296B (it) | 1974-09-20 |
| FR2168530B3 (enrdf_load_stackoverflow) | 1976-01-23 |
| BR7300387D0 (pt) | 1973-10-11 |
| JPS4885497A (enrdf_load_stackoverflow) | 1973-11-13 |
| ES410714A1 (es) | 1976-01-01 |
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