CN102816933B - 一种铬渣的处理工艺方法 - Google Patents
一种铬渣的处理工艺方法 Download PDFInfo
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- CN102816933B CN102816933B CN201110150952.8A CN201110150952A CN102816933B CN 102816933 B CN102816933 B CN 102816933B CN 201110150952 A CN201110150952 A CN 201110150952A CN 102816933 B CN102816933 B CN 102816933B
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- chromium
- chromium slag
- water
- filtrate
- slag
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- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 200
- 239000002893 slag Substances 0.000 title claims abstract description 123
- 238000000034 method Methods 0.000 title claims abstract description 121
- 230000008569 process Effects 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000000463 material Substances 0.000 claims abstract description 50
- 239000000706 filtrate Substances 0.000 claims abstract description 44
- 238000010521 absorption reaction Methods 0.000 claims abstract description 37
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 35
- 238000002386 leaching Methods 0.000 claims abstract description 31
- 238000000926 separation method Methods 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000000498 ball milling Methods 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 238000004070 electrodeposition Methods 0.000 claims abstract description 6
- UKAUYVFTDYCKQA-UHFFFAOYSA-N homoserine Chemical compound OC(=O)C(N)CCO UKAUYVFTDYCKQA-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000011651 chromium Substances 0.000 claims description 190
- 229910052804 chromium Inorganic materials 0.000 claims description 156
- 238000001179 sorption measurement Methods 0.000 claims description 41
- 238000005406 washing Methods 0.000 claims description 13
- 239000011575 calcium Substances 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 238000001784 detoxification Methods 0.000 claims description 10
- 229910052791 calcium Inorganic materials 0.000 claims description 9
- 238000005189 flocculation Methods 0.000 claims description 9
- 230000016615 flocculation Effects 0.000 claims description 9
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 8
- 235000019739 Dicalciumphosphate Nutrition 0.000 claims description 8
- 239000001506 calcium phosphate Substances 0.000 claims description 8
- NEFBYIFKOOEVPA-UHFFFAOYSA-K dicalcium phosphate Chemical compound [Ca+2].[Ca+2].[O-]P([O-])([O-])=O NEFBYIFKOOEVPA-UHFFFAOYSA-K 0.000 claims description 8
- 229940038472 dicalcium phosphate Drugs 0.000 claims description 8
- 229910000390 dicalcium phosphate Inorganic materials 0.000 claims description 8
- 238000001238 wet grinding Methods 0.000 claims description 7
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 6
- RFAFBXGYHBOUMV-UHFFFAOYSA-N calcium chromate Chemical compound [Ca+2].[O-][Cr]([O-])(=O)=O RFAFBXGYHBOUMV-UHFFFAOYSA-N 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 5
- 239000004697 Polyetherimide Substances 0.000 claims description 4
- 229920001601 polyetherimide Polymers 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 229910004762 CaSiO Inorganic materials 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- RQLWXPCFUSHLNV-UHFFFAOYSA-N [Cr].[Ca] Chemical compound [Cr].[Ca] RQLWXPCFUSHLNV-UHFFFAOYSA-N 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 3
- 238000005352 clarification Methods 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000007865 diluting Methods 0.000 claims description 3
- OXLBLZDGMWMXSM-UHFFFAOYSA-N dioxido(dioxo)chromium;iron(3+) Chemical compound [Fe+3].[Fe+3].[O-][Cr]([O-])(=O)=O.[O-][Cr]([O-])(=O)=O.[O-][Cr]([O-])(=O)=O OXLBLZDGMWMXSM-UHFFFAOYSA-N 0.000 claims description 3
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 3
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 3
- 229920000867 polyelectrolyte Polymers 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 238000011068 loading method Methods 0.000 claims description 2
- 239000002253 acid Substances 0.000 abstract description 9
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 abstract description 7
- 235000011149 sulphuric acid Nutrition 0.000 abstract description 6
- 231100000331 toxic Toxicity 0.000 abstract description 4
- 230000002588 toxic effect Effects 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 2
- 229910052925 anhydrite Inorganic materials 0.000 abstract 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 abstract 2
- WNQQFQRHFNVNSP-UHFFFAOYSA-N [Ca].[Fe] Chemical compound [Ca].[Fe] WNQQFQRHFNVNSP-UHFFFAOYSA-N 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 238000011001 backwashing Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- BCFSVSISUGYRMF-UHFFFAOYSA-N calcium;dioxido(dioxo)chromium;dihydrate Chemical compound O.O.[Ca+2].[O-][Cr]([O-])(=O)=O BCFSVSISUGYRMF-UHFFFAOYSA-N 0.000 abstract 1
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 238000003795 desorption Methods 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- HEQBUZNAOJCRSL-UHFFFAOYSA-N iron(ii) chromite Chemical compound [O-2].[O-2].[O-2].[Cr+3].[Fe+3] HEQBUZNAOJCRSL-UHFFFAOYSA-N 0.000 abstract 1
- 229910052882 wollastonite Inorganic materials 0.000 abstract 1
- 229910009112 xH2O Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 235000012721 chromium Nutrition 0.000 description 130
- 239000002351 wastewater Substances 0.000 description 30
- 238000012545 processing Methods 0.000 description 22
- 238000006722 reduction reaction Methods 0.000 description 18
- 230000000694 effects Effects 0.000 description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 15
- 230000009467 reduction Effects 0.000 description 14
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 12
- 239000011347 resin Substances 0.000 description 12
- 229920005989 resin Polymers 0.000 description 12
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical group [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 11
- 231100000614 poison Toxicity 0.000 description 10
- 239000003440 toxic substance Substances 0.000 description 9
- 229910001430 chromium ion Inorganic materials 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
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- 150000002500 ions Chemical class 0.000 description 7
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- 230000008901 benefit Effects 0.000 description 6
- 239000000292 calcium oxide Substances 0.000 description 6
- 235000012255 calcium oxide Nutrition 0.000 description 6
- 150000001844 chromium Chemical class 0.000 description 6
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- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 2
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 2
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- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 2
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- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 208000002454 Nasopharyngeal Carcinoma Diseases 0.000 description 1
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- 229910052782 aluminium Inorganic materials 0.000 description 1
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- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
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- PPNAOCWZXJOHFK-UHFFFAOYSA-N manganese(2+);oxygen(2-) Chemical group [O-2].[Mn+2] PPNAOCWZXJOHFK-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
Abstract
Description
成分 | CaO | MgO | Al2O3 | SiO2 | Fe2O3 | Cr2O3 | Cr6+ |
质量分数 | 23~35 | 15~33 | 6~10 | 4~11 | 7~12 | 2.5~7.5 | 1~2 |
Claims (7)
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CN201110150952.8A CN102816933B (zh) | 2011-06-08 | 2011-06-08 | 一种铬渣的处理工艺方法 |
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CN201110150952.8A CN102816933B (zh) | 2011-06-08 | 2011-06-08 | 一种铬渣的处理工艺方法 |
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CN102816933A CN102816933A (zh) | 2012-12-12 |
CN102816933B true CN102816933B (zh) | 2014-07-30 |
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CN105750323A (zh) * | 2016-05-18 | 2016-07-13 | 山东省农业科学院农业资源与环境研究所 | 一种种植生产条件下的农田铬污染的修复方法 |
CN109354069B (zh) * | 2018-11-20 | 2021-07-13 | 四川省银河化学股份有限公司 | 对红矾钠湿法工艺生产的铬酸钠碱性液进行再处理的方法 |
CN112972976A (zh) * | 2021-02-05 | 2021-06-18 | 南京理工大学 | 一种飞灰粉煤灰水热反应固液相产物协同处理的方法 |
CN113980489A (zh) * | 2021-09-15 | 2022-01-28 | 昆明理工大学 | 一种利用铬渣合成铬基陶瓷颜料的方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0837043B1 (en) * | 1996-10-17 | 2003-07-30 | Trading and Recycling Company Sint Truiden | Process for processing stainless steel slags |
CN101397607A (zh) * | 2008-09-05 | 2009-04-01 | 杭州钢铁集团公司 | 高炉还原法铬渣处理工艺 |
CN101721784A (zh) * | 2008-10-21 | 2010-06-09 | 宝山钢铁股份有限公司 | 一种铬渣的无害化及资源化处理方法 |
CN101816829A (zh) * | 2010-04-09 | 2010-09-01 | 河南金谷环保工程设备有限公司 | 一种铬渣解毒工艺 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06171993A (ja) * | 1992-12-02 | 1994-06-21 | Nippon Steel Corp | 酸化クロム含有スラグの改質方法 |
-
2011
- 2011-06-08 CN CN201110150952.8A patent/CN102816933B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0837043B1 (en) * | 1996-10-17 | 2003-07-30 | Trading and Recycling Company Sint Truiden | Process for processing stainless steel slags |
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