CN107630251B - 熔盐电解法转化氮化铝的方法、铝灰、铝渣灰回收处理方法及电解槽 - Google Patents
熔盐电解法转化氮化铝的方法、铝灰、铝渣灰回收处理方法及电解槽 Download PDFInfo
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- CN107630251B CN107630251B CN201710840896.8A CN201710840896A CN107630251B CN 107630251 B CN107630251 B CN 107630251B CN 201710840896 A CN201710840896 A CN 201710840896A CN 107630251 B CN107630251 B CN 107630251B
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- aluminum
- molten salt
- electrolytic
- aluminum nitride
- electrolysis
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- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 104
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 title claims abstract description 68
- 150000003839 salts Chemical class 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 44
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title abstract description 53
- 229910052782 aluminium Inorganic materials 0.000 title abstract description 52
- 239000002893 slag Substances 0.000 title abstract description 18
- 238000011084 recovery Methods 0.000 title abstract description 10
- 238000003672 processing method Methods 0.000 title abstract description 6
- 239000000126 substance Substances 0.000 claims abstract description 66
- 239000000463 material Substances 0.000 claims abstract description 57
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 49
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 49
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000003792 electrolyte Substances 0.000 claims abstract description 38
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims abstract description 20
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 38
- 229910001610 cryolite Inorganic materials 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 210000000078 claw Anatomy 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000003566 sealing material Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminium flouride Chemical compound F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 150000002222 fluorine compounds Chemical group 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 229910017083 AlN Inorganic materials 0.000 description 2
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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CN201710840896.8A CN107630251B (zh) | 2017-09-18 | 2017-09-18 | 熔盐电解法转化氮化铝的方法、铝灰、铝渣灰回收处理方法及电解槽 |
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CN107630251A CN107630251A (zh) | 2018-01-26 |
CN107630251B true CN107630251B (zh) | 2020-07-28 |
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CN110204310B (zh) * | 2019-07-10 | 2021-09-14 | 中南大学 | 一种快速低温处理黑泥的方法和应用 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4187155A (en) * | 1977-03-07 | 1980-02-05 | Diamond Shamrock Technologies S.A. | Molten salt electrolysis |
Family Cites Families (1)
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CN1332069C (zh) * | 2003-12-06 | 2007-08-15 | 包头铝业股份有限公司 | 用冰晶石——氧化铝熔盐电解法生产纯度高的铝的方法 |
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4187155A (en) * | 1977-03-07 | 1980-02-05 | Diamond Shamrock Technologies S.A. | Molten salt electrolysis |
Non-Patent Citations (1)
Title |
---|
铝灰的综合利用;李远兵;《铝工业固体废弃物综合利用》;冶金工业出版社;20150331;第209页 * |
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