CN113800539A - 一种大修渣湿法浸出液中盐提纯回收工艺 - Google Patents
一种大修渣湿法浸出液中盐提纯回收工艺 Download PDFInfo
- Publication number
- CN113800539A CN113800539A CN202110946488.7A CN202110946488A CN113800539A CN 113800539 A CN113800539 A CN 113800539A CN 202110946488 A CN202110946488 A CN 202110946488A CN 113800539 A CN113800539 A CN 113800539A
- Authority
- CN
- China
- Prior art keywords
- fluorine
- aluminum
- leachate
- calcium
- recovering
- 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.)
- Granted
Links
- 238000002386 leaching Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 47
- 150000003839 salts Chemical class 0.000 title claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 77
- 239000011737 fluorine Substances 0.000 claims abstract description 64
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 64
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 55
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 54
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 53
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 33
- 159000000000 sodium salts Chemical class 0.000 claims abstract description 28
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000011575 calcium Substances 0.000 claims abstract description 22
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 22
- 238000000926 separation method Methods 0.000 claims abstract description 22
- 238000001556 precipitation Methods 0.000 claims abstract description 20
- 239000000084 colloidal system Substances 0.000 claims abstract description 16
- 150000007522 mineralic acids Chemical class 0.000 claims abstract description 15
- 238000004064 recycling Methods 0.000 claims abstract description 12
- 239000002893 slag Substances 0.000 claims abstract description 8
- 230000003472 neutralizing effect Effects 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- -1 fluoride ions Chemical class 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 21
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 18
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 14
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 14
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 13
- 238000001179 sorption measurement Methods 0.000 claims description 13
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 239000002244 precipitate Substances 0.000 claims description 9
- 238000002425 crystallisation Methods 0.000 claims description 8
- 230000008025 crystallization Effects 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 8
- 238000006115 defluorination reaction Methods 0.000 claims description 7
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 6
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 6
- 239000000920 calcium hydroxide Substances 0.000 claims description 6
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 6
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000292 calcium oxide Substances 0.000 claims description 6
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 6
- 239000003729 cation exchange resin Substances 0.000 claims description 6
- 239000007791 liquid phase Substances 0.000 claims description 6
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 5
- 239000001110 calcium chloride Substances 0.000 claims description 5
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 5
- 238000001723 curing Methods 0.000 claims description 5
- 230000008021 deposition Effects 0.000 claims description 5
- 230000035484 reaction time Effects 0.000 claims description 5
- 239000007790 solid phase Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 11
- 239000000701 coagulant Substances 0.000 abstract description 6
- 239000002351 wastewater Substances 0.000 abstract description 5
- 238000006386 neutralization reaction Methods 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 4
- 239000002920 hazardous waste Substances 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000010979 pH adjustment Methods 0.000 abstract 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 25
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 24
- 229910052938 sodium sulfate Inorganic materials 0.000 description 19
- 235000011152 sodium sulphate Nutrition 0.000 description 19
- 239000000047 product Substances 0.000 description 15
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 12
- 239000013078 crystal Substances 0.000 description 12
- 239000011780 sodium chloride Substances 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000011084 recovery Methods 0.000 description 9
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 8
- 229910001424 calcium ion Inorganic materials 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 6
- 239000003513 alkali Substances 0.000 description 6
- 238000005345 coagulation Methods 0.000 description 6
- 230000015271 coagulation Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- RSIJVJUOQBWMIM-UHFFFAOYSA-L sodium sulfate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O RSIJVJUOQBWMIM-UHFFFAOYSA-L 0.000 description 6
- 230000008014 freezing Effects 0.000 description 5
- 238000007710 freezing Methods 0.000 description 5
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000011819 refractory material Substances 0.000 description 3
- 229910001388 sodium aluminate Inorganic materials 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000011775 sodium fluoride Substances 0.000 description 2
- 235000013024 sodium fluoride Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000013094 purity test Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/14—Purification
- C01D3/145—Purification by solid ion-exchangers or solid chelating agents
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/04—Chlorides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/14—Purification
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
- C01D5/16—Purification
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/20—Halides
- C01F11/22—Fluorides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
- C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
- C01F7/0693—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process from waste-like raw materials, e.g. fly ash or Bayer calcination dust
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/0015—Obtaining aluminium by wet processes
- C22B21/0023—Obtaining aluminium by wet processes from waste materials
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Processing Of Solid Wastes (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
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CN202110946488.7A CN113800539B (zh) | 2021-08-18 | 2021-08-18 | 一种大修渣湿法浸出液中盐提纯回收工艺 |
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CN202110946488.7A CN113800539B (zh) | 2021-08-18 | 2021-08-18 | 一种大修渣湿法浸出液中盐提纯回收工艺 |
Publications (2)
Publication Number | Publication Date |
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CN113800539A true CN113800539A (zh) | 2021-12-17 |
CN113800539B CN113800539B (zh) | 2023-07-07 |
Family
ID=78893802
Family Applications (1)
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CN202110946488.7A Active CN113800539B (zh) | 2021-08-18 | 2021-08-18 | 一种大修渣湿法浸出液中盐提纯回收工艺 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115156253A (zh) * | 2022-07-13 | 2022-10-11 | 河南远润循环发展科技有限公司 | 一种铝电解大修渣资源化处理方法 |
CN115974119A (zh) * | 2022-12-01 | 2023-04-18 | 百色实华环保科技有限公司 | 一种电解铝大修渣中高铝渣制备聚合氯化铝的方法 |
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CN101444660A (zh) * | 2008-12-30 | 2009-06-03 | 吴正建 | 固体废渣中氰化物和氟化物的无害化处理及回收工艺 |
CN104591247A (zh) * | 2015-01-09 | 2015-05-06 | 东北大学 | 一种氟碳铈矿碱浆逆流水洗回收氟的方法 |
KR101727055B1 (ko) * | 2016-06-14 | 2017-04-18 | (주)코솔텍 | 저염기도 염화알루미늄계 고분자 응집제 및 이의 제조방법 |
CN109127657A (zh) * | 2018-08-01 | 2019-01-04 | 湘潭大学 | 一种铝电解大修渣中含钠、含氟化合物的机械化学转化与回收方法 |
CN111889489A (zh) * | 2020-08-04 | 2020-11-06 | 郑州鸿跃环保科技有限公司 | 一种铝电解大修渣的处理方法和处理系统 |
CN112079478A (zh) * | 2020-08-27 | 2020-12-15 | 中伟新材料股份有限公司 | 一种从硫酸盐处理液脱除氟及重金属的方法 |
CN112679025A (zh) * | 2020-12-30 | 2021-04-20 | 四川思达能环保科技有限公司 | 一种电解铝渣渗滤液减量固化资源回用的处理系统及方法 |
CN112692042A (zh) * | 2020-12-08 | 2021-04-23 | 广西博世科环保科技股份有限公司 | 一种铝电解槽废耐火材料处理工艺及其系统 |
CN113072089A (zh) * | 2021-03-26 | 2021-07-06 | 广西博世科环保科技股份有限公司 | 一种铝电解大修渣和铝灰联合处理回收冰晶石的方法 |
-
2021
- 2021-08-18 CN CN202110946488.7A patent/CN113800539B/zh active Active
Patent Citations (9)
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CN101444660A (zh) * | 2008-12-30 | 2009-06-03 | 吴正建 | 固体废渣中氰化物和氟化物的无害化处理及回收工艺 |
CN104591247A (zh) * | 2015-01-09 | 2015-05-06 | 东北大学 | 一种氟碳铈矿碱浆逆流水洗回收氟的方法 |
KR101727055B1 (ko) * | 2016-06-14 | 2017-04-18 | (주)코솔텍 | 저염기도 염화알루미늄계 고분자 응집제 및 이의 제조방법 |
CN109127657A (zh) * | 2018-08-01 | 2019-01-04 | 湘潭大学 | 一种铝电解大修渣中含钠、含氟化合物的机械化学转化与回收方法 |
CN111889489A (zh) * | 2020-08-04 | 2020-11-06 | 郑州鸿跃环保科技有限公司 | 一种铝电解大修渣的处理方法和处理系统 |
CN112079478A (zh) * | 2020-08-27 | 2020-12-15 | 中伟新材料股份有限公司 | 一种从硫酸盐处理液脱除氟及重金属的方法 |
CN112692042A (zh) * | 2020-12-08 | 2021-04-23 | 广西博世科环保科技股份有限公司 | 一种铝电解槽废耐火材料处理工艺及其系统 |
CN112679025A (zh) * | 2020-12-30 | 2021-04-20 | 四川思达能环保科技有限公司 | 一种电解铝渣渗滤液减量固化资源回用的处理系统及方法 |
CN113072089A (zh) * | 2021-03-26 | 2021-07-06 | 广西博世科环保科技股份有限公司 | 一种铝电解大修渣和铝灰联合处理回收冰晶石的方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115156253A (zh) * | 2022-07-13 | 2022-10-11 | 河南远润循环发展科技有限公司 | 一种铝电解大修渣资源化处理方法 |
CN115156253B (zh) * | 2022-07-13 | 2023-08-11 | 焦作市远润环保科技有限公司 | 一种铝电解大修渣资源化处理方法 |
CN115974119A (zh) * | 2022-12-01 | 2023-04-18 | 百色实华环保科技有限公司 | 一种电解铝大修渣中高铝渣制备聚合氯化铝的方法 |
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