DE2723192A1 - Verfahren zur herstellung von aluminiumoxid nach dem bayer-verfahren mit verbesserter nutzbarmachung und beseitigung der ablaugen - Google Patents
Verfahren zur herstellung von aluminiumoxid nach dem bayer-verfahren mit verbesserter nutzbarmachung und beseitigung der ablaugenInfo
- Publication number
- DE2723192A1 DE2723192A1 DE19772723192 DE2723192A DE2723192A1 DE 2723192 A1 DE2723192 A1 DE 2723192A1 DE 19772723192 DE19772723192 DE 19772723192 DE 2723192 A DE2723192 A DE 2723192A DE 2723192 A1 DE2723192 A1 DE 2723192A1
- Authority
- DE
- Germany
- Prior art keywords
- liquor
- stream
- effluent
- sodium
- bayer process
- 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.)
- Withdrawn
Links
- 238000004131 Bayer process Methods 0.000 title claims description 61
- 238000000034 method Methods 0.000 title claims description 55
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 title claims description 17
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 239000011734 sodium Substances 0.000 claims description 47
- 239000002699 waste material Substances 0.000 claims description 42
- 229910001570 bauxite Inorganic materials 0.000 claims description 38
- 239000003518 caustics Substances 0.000 claims description 35
- 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 claims description 33
- 229910052708 sodium Inorganic materials 0.000 claims description 33
- 239000003513 alkali Substances 0.000 claims description 31
- VCNTUJWBXWAWEJ-UHFFFAOYSA-J aluminum;sodium;dicarbonate Chemical compound [Na+].[Al+3].[O-]C([O-])=O.[O-]C([O-])=O VCNTUJWBXWAWEJ-UHFFFAOYSA-J 0.000 claims description 27
- 229910001647 dawsonite Inorganic materials 0.000 claims description 27
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 21
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 claims description 17
- 229910001388 sodium aluminate Inorganic materials 0.000 claims description 16
- 239000012452 mother liquor Substances 0.000 claims description 11
- 150000003839 salts Chemical class 0.000 claims description 11
- 239000010802 sludge Substances 0.000 claims description 8
- WMWXXXSCZVGQAR-UHFFFAOYSA-N dialuminum;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3] WMWXXXSCZVGQAR-UHFFFAOYSA-N 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 239000002244 precipitate Substances 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 34
- 239000012535 impurity Substances 0.000 description 27
- 239000000243 solution Substances 0.000 description 19
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 14
- 230000029087 digestion Effects 0.000 description 13
- 238000003763 carbonization Methods 0.000 description 11
- 229910052782 aluminium Inorganic materials 0.000 description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 10
- 238000005406 washing Methods 0.000 description 9
- 238000001704 evaporation Methods 0.000 description 8
- 230000008020 evaporation Effects 0.000 description 8
- 239000002002 slurry Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 7
- 239000011780 sodium chloride Substances 0.000 description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 238000005352 clarification Methods 0.000 description 5
- 230000002265 prevention Effects 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 238000004064 recycling Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005979 thermal decomposition reaction Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010612 desalination reaction Methods 0.000 description 2
- UOCIZHQMWNPGEN-UHFFFAOYSA-N dialuminum;oxygen(2-);trihydrate Chemical compound O.O.O.[O-2].[O-2].[O-2].[Al+3].[Al+3] UOCIZHQMWNPGEN-UHFFFAOYSA-N 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- NMGSERJNPJZFFC-UHFFFAOYSA-N carbonic acid;sulfuric acid Chemical compound OC(O)=O.OS(O)(=O)=O NMGSERJNPJZFFC-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000002054 inoculum Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- UIIMBOGNXHQVGW-UHFFFAOYSA-M sodium bicarbonate Substances [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 150000004684 trihydrates Chemical class 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- 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
- C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
- C01F7/47—Purification of aluminium oxide, aluminium hydroxide or aluminates of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors
-
- 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
- C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
- C01F7/47—Purification of aluminium oxide, aluminium hydroxide or aluminates of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors
- C01F7/473—Removal of organic compounds, e.g. sodium oxalate
-
- 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
- C01F7/78—Compounds containing aluminium, with or without oxygen or hydrogen, and containing two or more other elements
- C01F7/782—Compounds containing aluminium, with or without oxygen or hydrogen, and containing two or more other elements containing carbonate ions, e.g. dawsonite
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/918—Miscellaneous specific techniques
- Y10S210/919—Miscellaneous specific techniques using combined systems by merging parallel diverse waste systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/699,828 US4036931A (en) | 1976-06-25 | 1976-06-25 | Bayer process production of alumina |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2723192A1 true DE2723192A1 (de) | 1978-01-05 |
Family
ID=24811084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19772723192 Withdrawn DE2723192A1 (de) | 1976-06-25 | 1977-05-23 | Verfahren zur herstellung von aluminiumoxid nach dem bayer-verfahren mit verbesserter nutzbarmachung und beseitigung der ablaugen |
Country Status (7)
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5869814U (ja) * | 1981-11-02 | 1983-05-12 | 日本電気システム建設株式会社 | 光フアイバ−心線余長収容装置 |
US4468375A (en) * | 1982-09-27 | 1984-08-28 | Aluminum Company Of America | Production of alumina from aluminum-containing mineral ores with sodium bicarbonate |
JPS59101208U (ja) * | 1982-12-27 | 1984-07-07 | 古河電気工業株式会社 | 光フアイバ心線余長処理ボビン |
US4430310A (en) | 1983-02-08 | 1984-02-07 | Kaiser Aluminum & Chemical Corporation | Purification of impure Bayer process liquors |
JPS60191005U (ja) * | 1984-05-29 | 1985-12-18 | 三菱電線工業株式会社 | 複合光ケ−ブルの接続構造 |
JPS6198304A (ja) * | 1984-10-19 | 1986-05-16 | Mirai Kogyo Kk | 光フアイバ−接続箱用基板 |
JPH01175802A (ja) * | 1987-12-31 | 1989-07-12 | Alpha Giken:Kk | 靴型の製造法 |
IE930076A1 (en) * | 1992-02-06 | 1993-08-11 | Alcoa Australia | Process for the treatment of red mud |
US5346511A (en) * | 1993-03-12 | 1994-09-13 | Nalco Chemical Company | Antifoam/defoamer compositions for Bayer process |
AUPS338102A0 (en) * | 2002-07-04 | 2002-07-25 | Nauveau Technology Investments Ltd | Processes for the treatment of a waste material having a high ph and/or alkalinity |
US7972580B2 (en) * | 2007-12-28 | 2011-07-05 | Cytec Technology Corp. | Methods and compositions for the removal of impurities and water from the Bayer process |
US20110081284A1 (en) * | 2009-10-02 | 2011-04-07 | Mark Weaver | Treatment of bauxite residue and spent pot lining |
UA115646C2 (uk) * | 2009-12-15 | 2017-12-11 | Сайтек Текнолоджи Корп. | Способи і композиції для видалення домішок з органічної солі, навантаженої домішками |
AU2013231168B2 (en) | 2012-04-26 | 2015-05-14 | Showa Denko K.K. | Washing method of goethite-containing red mud |
CN104192852A (zh) * | 2014-09-10 | 2014-12-10 | 贵州万方铝化科技开发有限公司 | 对含硅矿物气相脱硅并循环利用含卤素物质的方法 |
CN111484055A (zh) * | 2019-01-29 | 2020-08-04 | 娄世彬 | 一种氧化铝生产过程使用的分解结晶助剂 |
CN116534886B (zh) * | 2023-04-27 | 2024-03-29 | 中国石油大学(华东) | 一种用于固碳并同时生产片钠铝石的方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR976555A (fr) * | 1942-04-20 | 1951-03-20 | Francais Ciments | Procédé de précipitation de l'alumine dans les solutions d'aluminate de soude diluées |
US2375343A (en) * | 1942-05-18 | 1945-05-08 | Aluminum Co Of America | Recovery of alumina |
US2420852A (en) * | 1942-09-24 | 1947-05-20 | Nepheline Products Ltd | Recovery of alumina from ores |
US2981600A (en) * | 1952-12-01 | 1961-04-25 | Kaiser Aluminium Chem Corp | Process of purifying caustic aluminate liquors |
GB1158048A (en) * | 1967-06-19 | 1969-07-09 | Kaiser Aluminium Chem Corp | Improvements in or relating to the Bayer Process |
GB1143787A (en) * | 1966-02-25 | 1969-02-26 | Reynolds Metals Co | Alumina hydrate |
FR1523304A (fr) * | 1967-03-20 | 1968-05-03 | Pechiney | Procédé de purification des solutions industrielles d'aluminate de sodium |
FR1564332A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1968-05-10 | 1969-04-18 | ||
US3539468A (en) * | 1968-10-25 | 1970-11-10 | Catalysts & Chem Inc | Alumina hydrate compositions |
GB1440194A (en) * | 1973-01-16 | 1976-06-23 | British Aluminium Co Ltd | Alumina sol |
-
1976
- 1976-06-25 US US05/699,828 patent/US4036931A/en not_active Expired - Lifetime
-
1977
- 1977-04-06 CA CA275,751A patent/CA1083827A/en not_active Expired
- 1977-04-14 AU AU24271/77A patent/AU506386B2/en not_active Expired
- 1977-05-23 DE DE19772723192 patent/DE2723192A1/de not_active Withdrawn
- 1977-06-01 JP JP6457777A patent/JPS531700A/ja active Granted
- 1977-06-24 IT IT25045/77A patent/IT1080761B/it active
- 1977-06-24 FR FR7719535A patent/FR2355777A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
AU506386B2 (en) | 1979-12-20 |
JPS531700A (en) | 1978-01-09 |
FR2355777B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-02-27 |
US4036931A (en) | 1977-07-19 |
AU2427177A (en) | 1978-10-19 |
CA1083827A (en) | 1980-08-19 |
JPS5635610B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-08-18 |
IT1080761B (it) | 1985-05-16 |
FR2355777A1 (fr) | 1978-01-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8128 | New person/name/address of the agent |
Representative=s name: MUELLER, H., DIPL.-ING., PAT.-ANW., 8000 MUENCHEN |
|
8110 | Request for examination paragraph 44 | ||
8139 | Disposal/non-payment of the annual fee |