CN109913911A - 一种铝电解槽废旧内衬中铝硅质固废的处理方法 - Google Patents
一种铝电解槽废旧内衬中铝硅质固废的处理方法 Download PDFInfo
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- CN109913911A CN109913911A CN201910290497.8A CN201910290497A CN109913911A CN 109913911 A CN109913911 A CN 109913911A CN 201910290497 A CN201910290497 A CN 201910290497A CN 109913911 A CN109913911 A CN 109913911A
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- alumina
- solid waste
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- waste
- fluoride
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 72
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 65
- 239000002910 solid waste Substances 0.000 title claims abstract description 59
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 239000002699 waste material Substances 0.000 title claims abstract description 42
- 238000003672 processing method Methods 0.000 title claims abstract description 24
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 65
- 239000000203 mixture Substances 0.000 claims abstract description 33
- 239000004411 aluminium Substances 0.000 claims abstract description 32
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 20
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 14
- 239000000956 alloy Substances 0.000 claims abstract description 14
- 229910000632 Alusil Inorganic materials 0.000 claims abstract description 12
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 claims description 20
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 claims description 20
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 claims description 17
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 claims description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 17
- 150000003839 salts Chemical class 0.000 claims description 13
- 229910001610 cryolite Inorganic materials 0.000 claims description 12
- 239000003792 electrolyte Substances 0.000 claims description 12
- 239000013078 crystal Substances 0.000 claims description 11
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 claims description 10
- 229910001635 magnesium fluoride Inorganic materials 0.000 claims description 10
- 235000003270 potassium fluoride Nutrition 0.000 claims description 10
- 239000011698 potassium fluoride Substances 0.000 claims description 10
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 7
- 235000013024 sodium fluoride Nutrition 0.000 claims description 4
- 239000011775 sodium fluoride Substances 0.000 claims description 4
- 238000003682 fluorination reaction Methods 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 10
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 abstract description 9
- 239000002994 raw material Substances 0.000 abstract description 8
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract description 7
- 238000004064 recycling Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000002893 slag Substances 0.000 description 24
- 238000000034 method Methods 0.000 description 16
- 239000011449 brick Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 11
- 238000001556 precipitation Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 150000004673 fluoride salts Chemical class 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- KMWBBMXGHHLDKL-UHFFFAOYSA-N [AlH3].[Si] Chemical compound [AlH3].[Si] KMWBBMXGHHLDKL-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 2
- 230000001698 pyrogenic effect Effects 0.000 description 2
- 230000036647 reaction Effects 0.000 description 2
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- 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 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
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- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
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- 230000001376 precipitating effect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
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- 238000012216 screening Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Landscapes
- Electrolytic Production Of Metals (AREA)
Abstract
Description
SiO<sub>2</sub> | Al<sub>2</sub>O<sub>3</sub> | TiO<sub>2</sub> | Fe<sub>2</sub>O<sub>3</sub> | CaO | MgO | |
防渗材料 | 63.3 | 23.7 | 1.5 | 1.6 | 0.2 | 0.5 |
耐火砖 | 79.1 | 15.2 | 1.16 | 1.44 | 0.76 | 0.26 |
保温砖 | 64.2 | 24.2 | 2.91 | 1.78 | 0.12 | 4.89 |
Claims (10)
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110760891A (zh) * | 2019-12-10 | 2020-02-07 | 中南大学 | 一种铝铁钒硅合金的制备方法 |
CN110760890A (zh) * | 2019-11-27 | 2020-02-07 | 东北大学 | 一种采用铝熔盐电解还原处置冶炼渣的方法 |
CN110820017A (zh) * | 2019-12-10 | 2020-02-21 | 中南大学 | 一种铝锰系合金的制备方法 |
CN110846688A (zh) * | 2019-12-10 | 2020-02-28 | 中南大学 | 一种铝硅钛合金的制备方法 |
CN110983380A (zh) * | 2019-12-10 | 2020-04-10 | 中南大学 | 一种铝铜系合金的制备方法 |
CN111005038A (zh) * | 2019-12-10 | 2020-04-14 | 中南大学 | 一种铝硅铁合金的制备方法 |
CN111499397A (zh) * | 2020-04-15 | 2020-08-07 | 中南大学 | 一种利用电解槽铝硅质大修渣制备氧化铝和氧化硅的回收料的方法 |
CN111517349A (zh) * | 2020-05-13 | 2020-08-11 | 河南联宜环保工程有限公司 | 一种从铝电解槽大修渣中回收氟化铝的方法 |
CN112342574A (zh) * | 2020-11-06 | 2021-02-09 | 云南云铝润鑫铝业有限公司 | 一种铝电解槽回用废槽衬电解质料的方法 |
CN112899729A (zh) * | 2021-01-26 | 2021-06-04 | 覃海棠 | 一种电解处理内衬废料的方法 |
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CN102011145A (zh) * | 2010-12-03 | 2011-04-13 | 伊川龙海科技实业有限公司 | 利用铝电解废混和料回收电解质并副产铝硅合金的方法 |
CN103789797A (zh) * | 2014-02-19 | 2014-05-14 | 郭龙 | 一种利用粉煤灰生产铝硅合金方法 |
CN107626712A (zh) * | 2017-08-29 | 2018-01-26 | 陕西三秦能源长宏铝业有限公司 | 一种铝电解危险固废综合处理方法及资源化利用 |
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2019
- 2019-04-11 CN CN201910290497.8A patent/CN109913911A/zh active Pending
Patent Citations (3)
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CN102011145A (zh) * | 2010-12-03 | 2011-04-13 | 伊川龙海科技实业有限公司 | 利用铝电解废混和料回收电解质并副产铝硅合金的方法 |
CN103789797A (zh) * | 2014-02-19 | 2014-05-14 | 郭龙 | 一种利用粉煤灰生产铝硅合金方法 |
CN107626712A (zh) * | 2017-08-29 | 2018-01-26 | 陕西三秦能源长宏铝业有限公司 | 一种铝电解危险固废综合处理方法及资源化利用 |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110760890A (zh) * | 2019-11-27 | 2020-02-07 | 东北大学 | 一种采用铝熔盐电解还原处置冶炼渣的方法 |
CN110760890B (zh) * | 2019-11-27 | 2022-01-11 | 东北大学 | 一种采用铝熔盐电解还原处置冶炼渣的方法 |
CN110760891B (zh) * | 2019-12-10 | 2021-03-23 | 中南大学 | 一种铝铁钒硅合金的制备方法 |
CN110820017A (zh) * | 2019-12-10 | 2020-02-21 | 中南大学 | 一种铝锰系合金的制备方法 |
CN110846688A (zh) * | 2019-12-10 | 2020-02-28 | 中南大学 | 一种铝硅钛合金的制备方法 |
CN110983380A (zh) * | 2019-12-10 | 2020-04-10 | 中南大学 | 一种铝铜系合金的制备方法 |
CN111005038A (zh) * | 2019-12-10 | 2020-04-14 | 中南大学 | 一种铝硅铁合金的制备方法 |
CN110760891A (zh) * | 2019-12-10 | 2020-02-07 | 中南大学 | 一种铝铁钒硅合金的制备方法 |
CN110820017B (zh) * | 2019-12-10 | 2020-11-20 | 中南大学 | 一种铝锰系合金的制备方法 |
CN111005038B (zh) * | 2019-12-10 | 2021-03-26 | 中南大学 | 一种铝硅铁合金的制备方法 |
CN111499397A (zh) * | 2020-04-15 | 2020-08-07 | 中南大学 | 一种利用电解槽铝硅质大修渣制备氧化铝和氧化硅的回收料的方法 |
CN111499397B (zh) * | 2020-04-15 | 2021-04-09 | 中南大学 | 一种利用电解槽铝硅质大修渣制备氧化铝和氧化硅的回收料的方法 |
CN111517349A (zh) * | 2020-05-13 | 2020-08-11 | 河南联宜环保工程有限公司 | 一种从铝电解槽大修渣中回收氟化铝的方法 |
CN112342574A (zh) * | 2020-11-06 | 2021-02-09 | 云南云铝润鑫铝业有限公司 | 一种铝电解槽回用废槽衬电解质料的方法 |
CN112899729A (zh) * | 2021-01-26 | 2021-06-04 | 覃海棠 | 一种电解处理内衬废料的方法 |
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