CN1162330C - Clean production method of potassium chromate - Google Patents
Clean production method of potassium chromate Download PDFInfo
- Publication number
- CN1162330C CN1162330C CNB011416831A CN01141683A CN1162330C CN 1162330 C CN1162330 C CN 1162330C CN B011416831 A CNB011416831 A CN B011416831A CN 01141683 A CN01141683 A CN 01141683A CN 1162330 C CN1162330 C CN 1162330C
- Authority
- CN
- China
- Prior art keywords
- potassium chromate
- potassium
- iron slag
- chromite
- chromium
- 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
- QLOKJRIVRGCVIM-UHFFFAOYSA-N 1-[(4-methylsulfanylphenyl)methyl]piperazine Chemical compound C1=CC(SC)=CC=C1CN1CCNCC1 QLOKJRIVRGCVIM-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 87
- 239000013078 crystal Substances 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 27
- 239000000047 product Substances 0.000 claims abstract description 25
- 239000003513 alkali Substances 0.000 claims abstract description 16
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 239000002002 slurry Substances 0.000 claims abstract description 9
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 239000007800 oxidant agent Substances 0.000 claims abstract description 5
- 239000007791 liquid phase Substances 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims description 42
- 239000002893 slag Substances 0.000 claims description 41
- 150000001844 chromium Chemical class 0.000 claims description 18
- 238000005406 washing Methods 0.000 claims description 17
- 238000002386 leaching Methods 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000002425 crystallisation Methods 0.000 claims description 10
- 230000008025 crystallization Effects 0.000 claims description 10
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 9
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 6
- 239000012452 mother liquor Substances 0.000 claims description 6
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 6
- XXQBEVHPUKOQEO-UHFFFAOYSA-N potassium superoxide Chemical compound [K+].[K+].[O-][O-] XXQBEVHPUKOQEO-UHFFFAOYSA-N 0.000 claims description 6
- 230000032683 aging Effects 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 239000002535 acidifier Substances 0.000 claims description 4
- 239000003570 air Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 150000007522 mineralic acids Chemical group 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000006864 oxidative decomposition reaction Methods 0.000 claims description 3
- 239000004323 potassium nitrate Substances 0.000 claims description 3
- 235000010333 potassium nitrate Nutrition 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- JTNCEQNHURODLX-UHFFFAOYSA-N 2-phenylethanimidamide Chemical compound NC(=N)CC1=CC=CC=C1 JTNCEQNHURODLX-UHFFFAOYSA-N 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 235000015497 potassium bicarbonate Nutrition 0.000 claims description 2
- 239000011736 potassium bicarbonate Substances 0.000 claims description 2
- 229910000028 potassium bicarbonate Inorganic materials 0.000 claims description 2
- 229910000343 potassium bisulfate Inorganic materials 0.000 claims description 2
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 claims description 2
- 238000005191 phase separation Methods 0.000 claims 1
- 238000004321 preservation Methods 0.000 claims 1
- 230000035484 reaction time Effects 0.000 claims 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical class [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract description 25
- 239000011651 chromium Substances 0.000 abstract description 22
- 229910052804 chromium Inorganic materials 0.000 abstract description 22
- 238000006243 chemical reaction Methods 0.000 abstract description 18
- 238000011084 recovery Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 238000001354 calcination Methods 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 27
- 239000000243 solution Substances 0.000 description 21
- 239000000126 substance Substances 0.000 description 10
- 239000002994 raw material Substances 0.000 description 8
- 238000001704 evaporation Methods 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 5
- PXLIDIMHPNPGMH-UHFFFAOYSA-N sodium chromate Chemical compound [Na+].[Na+].[O-][Cr]([O-])(=O)=O PXLIDIMHPNPGMH-UHFFFAOYSA-N 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000010413 mother solution Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-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
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910018134 Al-Mg Inorganic materials 0.000 description 1
- 229910018467 Al—Mg Inorganic materials 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB011416831A CN1162330C (en) | 2001-10-08 | 2001-10-08 | Clean production method of potassium chromate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB011416831A CN1162330C (en) | 2001-10-08 | 2001-10-08 | Clean production method of potassium chromate |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1410358A CN1410358A (en) | 2003-04-16 |
CN1162330C true CN1162330C (en) | 2004-08-18 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011416831A Expired - Fee Related CN1162330C (en) | 2001-10-08 | 2001-10-08 | Clean production method of potassium chromate |
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CN (1) | CN1162330C (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7220394B2 (en) * | 2002-10-30 | 2007-05-22 | Council Of Scientific And Industrial Research | Process for simultaneous recovery of chromium and iron from chromite ore processing residue |
AU2003227163A1 (en) * | 2003-03-19 | 2004-10-11 | Institute Of Process Engineering Chinese Academy Of Sciences | Method for production of alkali metal chromates |
CN101481144B (en) * | 2008-01-09 | 2011-04-20 | 中国科学院过程工程研究所 | Clean production method for preparing potassium chromate from chromic iron |
CN102092786B (en) * | 2009-12-10 | 2014-04-02 | 中国科学院过程工程研究所 | Method for cleanly preparing vanadium oxides |
CN102127654B (en) * | 2010-01-13 | 2013-01-23 | 中国科学院过程工程研究所 | Method for decomposing chromium-containing vanadium slag by using sodium hydroxide molten salt |
CN101817560A (en) * | 2010-04-07 | 2010-09-01 | 中国科学院过程工程研究所 | Methods for removing calcium and magnesium alkaline-earth metal ions contained in chromate solution by adopting ion exchange resin |
CN102139921A (en) * | 2011-01-27 | 2011-08-03 | 重庆昌元化工有限公司 | Preparation method for producing chromate by continuous liquid-phase oxidation reaction tower |
CN103183384B (en) * | 2013-03-29 | 2016-08-10 | 中国科学院过程工程研究所 | The method that a kind of preroast strengthening sub-molten salt decomposes chromite |
CN104195346B (en) * | 2014-09-15 | 2017-04-12 | 中国科学院过程工程研究所 | Clean process method for efficiently extracting chromium in extracted vanadium tailings |
CN109456151A (en) * | 2017-09-06 | 2019-03-12 | 靳跃春 | The method for preparing the oxidant containing Cr VI |
CN107963913A (en) * | 2017-11-10 | 2018-04-27 | 中国天辰工程有限公司 | The wash mill and washing methods of a kind of ulexite |
-
2001
- 2001-10-08 CN CNB011416831A patent/CN1162330C/en not_active Expired - Fee Related
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Publication number | Publication date |
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CN1410358A (en) | 2003-04-16 |
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Effective date of registration: 20160707 Address after: 472300 West Industrial Zone, Henan, Yima Patentee after: Zhonglanyimage Chemistry Co., Ltd. Address before: 100080 No. two, No. 1, North Haidian District, Beijing, Zhongguancun Patentee before: Institute of Process Engineering, Chinese Academy of Sciences |
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Addressee: Wang Shijun Document name: Notice of termination of patent right |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040818 Termination date: 20201008 |