DE2419323C3 - Verfahren zur Rückgewinnung von Kobalt und/oder Mangan als Komponenten eines gegebenenfalls auch Brom enthaltenden Schwermetallkatalysators - Google Patents
Verfahren zur Rückgewinnung von Kobalt und/oder Mangan als Komponenten eines gegebenenfalls auch Brom enthaltenden SchwermetallkatalysatorsInfo
- Publication number
- DE2419323C3 DE2419323C3 DE2419323A DE2419323A DE2419323C3 DE 2419323 C3 DE2419323 C3 DE 2419323C3 DE 2419323 A DE2419323 A DE 2419323A DE 2419323 A DE2419323 A DE 2419323A DE 2419323 C3 DE2419323 C3 DE 2419323C3
- Authority
- DE
- Germany
- Prior art keywords
- catalyst
- carbonate
- heavy metal
- precipitation
- residue
- 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.)
- Expired
Links
- 239000003054 catalyst Substances 0.000 title claims description 107
- 229910001385 heavy metal Inorganic materials 0.000 title claims description 71
- 238000000034 method Methods 0.000 title claims description 71
- 230000008569 process Effects 0.000 title claims description 40
- 239000011572 manganese Substances 0.000 title claims description 38
- 239000010941 cobalt Substances 0.000 title claims description 33
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 title claims description 33
- 229910017052 cobalt Inorganic materials 0.000 title claims description 27
- 229910052748 manganese Inorganic materials 0.000 title claims description 15
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 title claims description 14
- 238000011084 recovery Methods 0.000 title claims description 12
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 title claims description 8
- 229910052794 bromium Inorganic materials 0.000 title claims description 8
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 title claims description 6
- 238000001556 precipitation Methods 0.000 claims description 76
- 239000002244 precipitate Substances 0.000 claims description 59
- 239000012535 impurity Substances 0.000 claims description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 57
- 239000012452 mother liquor Substances 0.000 claims description 52
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 46
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 42
- 238000007254 oxidation reaction Methods 0.000 claims description 30
- 238000000926 separation method Methods 0.000 claims description 28
- 230000003647 oxidation Effects 0.000 claims description 26
- 239000007789 gas Substances 0.000 claims description 19
- 239000011734 sodium Substances 0.000 claims description 18
- 239000002904 solvent Substances 0.000 claims description 18
- 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 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 16
- 239000001301 oxygen Substances 0.000 claims description 16
- 229910052760 oxygen Inorganic materials 0.000 claims description 16
- 229910052708 sodium Inorganic materials 0.000 claims description 16
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 15
- -1 aliphatic monocarboxylic acid Chemical class 0.000 claims description 15
- 239000001099 ammonium carbonate Substances 0.000 claims description 15
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 229910000288 alkali metal carbonate Inorganic materials 0.000 claims description 10
- 150000008041 alkali metal carbonates Chemical class 0.000 claims description 10
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 7
- 150000004996 alkyl benzenes Chemical class 0.000 claims description 7
- 239000006185 dispersion Substances 0.000 claims description 7
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 4
- HIVLDXAAFGCOFU-UHFFFAOYSA-N ammonium hydrosulfide Chemical compound [NH4+].[SH-] HIVLDXAAFGCOFU-UHFFFAOYSA-N 0.000 claims description 3
- 229910052979 sodium sulfide Inorganic materials 0.000 claims description 3
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- 239000008346 aqueous phase Substances 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims 1
- 239000000243 solution Substances 0.000 description 56
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 35
- 239000000284 extract Substances 0.000 description 33
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 24
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 22
- 238000006243 chemical reaction Methods 0.000 description 22
- 238000000605 extraction Methods 0.000 description 22
- 239000000203 mixture Substances 0.000 description 20
- 239000010949 copper Substances 0.000 description 17
- 229910052742 iron Inorganic materials 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 15
- 229910052802 copper Inorganic materials 0.000 description 15
- 238000005406 washing Methods 0.000 description 15
- 239000011651 chromium Substances 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 14
- 239000002184 metal Substances 0.000 description 14
- 238000010790 dilution Methods 0.000 description 13
- 239000012895 dilution Substances 0.000 description 13
- 150000003464 sulfur compounds Chemical class 0.000 description 13
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 12
- 229910052783 alkali metal Inorganic materials 0.000 description 12
- 229910052804 chromium Inorganic materials 0.000 description 11
- 238000001914 filtration Methods 0.000 description 11
- 229910000029 sodium carbonate Inorganic materials 0.000 description 11
- 235000017550 sodium carbonate Nutrition 0.000 description 11
- 150000001340 alkali metals Chemical class 0.000 description 10
- 229910021446 cobalt carbonate Inorganic materials 0.000 description 10
- 238000011109 contamination Methods 0.000 description 10
- 239000007791 liquid phase Substances 0.000 description 10
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 9
- 229910001882 dioxygen Inorganic materials 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 9
- 239000012065 filter cake Substances 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 8
- 239000011575 calcium Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 8
- 235000006748 manganese carbonate Nutrition 0.000 description 8
- XMWCXZJXESXBBY-UHFFFAOYSA-L manganese(ii) carbonate Chemical compound [Mn+2].[O-]C([O-])=O XMWCXZJXESXBBY-UHFFFAOYSA-L 0.000 description 8
- 239000007864 aqueous solution Substances 0.000 description 7
- 239000011656 manganese carbonate Substances 0.000 description 7
- 229940093474 manganese carbonate Drugs 0.000 description 7
- 229910000016 manganese(II) carbonate Inorganic materials 0.000 description 7
- 230000002829 reductive effect Effects 0.000 description 7
- 238000001179 sorption measurement Methods 0.000 description 7
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 6
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 6
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 6
- 229910001413 alkali metal ion Inorganic materials 0.000 description 6
- 239000006286 aqueous extract Substances 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 6
- 229910052791 calcium Inorganic materials 0.000 description 6
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- ZOTKGJBKKKVBJZ-UHFFFAOYSA-L cobalt(2+);carbonate Chemical compound [Co+2].[O-]C([O-])=O ZOTKGJBKKKVBJZ-UHFFFAOYSA-L 0.000 description 5
- 238000004821 distillation Methods 0.000 description 5
- 239000011133 lead Substances 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 150000004763 sulfides Chemical class 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- GOUHYARYYWKXHS-UHFFFAOYSA-N 4-formylbenzoic acid Chemical compound OC(=O)C1=CC=C(C=O)C=C1 GOUHYARYYWKXHS-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 4
- 150000001299 aldehydes Chemical class 0.000 description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 4
- 239000000920 calcium hydroxide Substances 0.000 description 4
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 4
- 239000012295 chemical reaction liquid Substances 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 229910001431 copper ion Inorganic materials 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- LPNBBFKOUUSUDB-UHFFFAOYSA-N p-toluic acid Chemical compound CC1=CC=C(C(O)=O)C=C1 LPNBBFKOUUSUDB-UHFFFAOYSA-N 0.000 description 4
- 239000002574 poison Substances 0.000 description 4
- 231100000614 poison Toxicity 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 3
- 239000007810 chemical reaction solvent Substances 0.000 description 3
- 238000000975 co-precipitation Methods 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000007865 diluting Methods 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 150000004679 hydroxides Chemical class 0.000 description 3
- 150000002576 ketones Chemical class 0.000 description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 3
- 238000010979 pH adjustment Methods 0.000 description 3
- 230000036961 partial effect Effects 0.000 description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 description 3
- 235000011181 potassium carbonates Nutrition 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 description 3
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 3
- 229910017060 Fe Cr Inorganic materials 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- BZRRQSJJPUGBAA-UHFFFAOYSA-L cobalt(ii) bromide Chemical compound Br[Co]Br BZRRQSJJPUGBAA-UHFFFAOYSA-L 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 229910001437 manganese ion Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 239000011736 potassium bicarbonate Substances 0.000 description 2
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 2
- 235000015497 potassium bicarbonate Nutrition 0.000 description 2
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 2
- 229940086066 potassium hydrogencarbonate Drugs 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 235000011299 Brassica oleracea var botrytis Nutrition 0.000 description 1
- 240000003259 Brassica oleracea var. botrytis Species 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910020632 Co Mn Inorganic materials 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- WAEMQWOKJMHJLA-UHFFFAOYSA-N Manganese(2+) Chemical compound [Mn+2] WAEMQWOKJMHJLA-UHFFFAOYSA-N 0.000 description 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- GOKIPOOTKLLKDI-UHFFFAOYSA-N acetic acid;iron Chemical compound [Fe].CC(O)=O.CC(O)=O.CC(O)=O GOKIPOOTKLLKDI-UHFFFAOYSA-N 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- UYJXRRSPUVSSMN-UHFFFAOYSA-P ammonium sulfide Chemical compound [NH4+].[NH4+].[S-2] UYJXRRSPUVSSMN-UHFFFAOYSA-P 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 239000008366 buffered solution Substances 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000007806 chemical reaction intermediate Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229910001430 chromium ion Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910001429 cobalt ion Inorganic materials 0.000 description 1
- MZZUATUOLXMCEY-UHFFFAOYSA-N cobalt manganese Chemical compound [Mn].[Co] MZZUATUOLXMCEY-UHFFFAOYSA-N 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 229910003439 heavy metal oxide Inorganic materials 0.000 description 1
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229940071125 manganese acetate Drugs 0.000 description 1
- UOGMEBQRZBEZQT-UHFFFAOYSA-L manganese(2+);diacetate Chemical compound [Mn+2].CC([O-])=O.CC([O-])=O UOGMEBQRZBEZQT-UHFFFAOYSA-L 0.000 description 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229960003975 potassium Drugs 0.000 description 1
- ZOCLAPYLSUCOGI-UHFFFAOYSA-M potassium hydrosulfide Chemical compound [SH-].[K+] ZOCLAPYLSUCOGI-UHFFFAOYSA-M 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- SRRKNRDXURUMPP-UHFFFAOYSA-N sodium disulfide Chemical compound [Na+].[Na+].[S-][S-] SRRKNRDXURUMPP-UHFFFAOYSA-N 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/04—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing carboxylic acids or their salts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/90—Regeneration or reactivation
- B01J23/94—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides of the iron group metals or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/28—Regeneration or reactivation
- B01J27/32—Regeneration or reactivation of catalysts comprising compounds of halogens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
- B01J31/28—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of the platinum group metals, iron group metals or copper
- B01J31/30—Halides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/40—Regeneration or reactivation
- B01J31/4015—Regeneration or reactivation of catalysts containing metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/40—Regeneration or reactivation
- B01J31/4015—Regeneration or reactivation of catalysts containing metals
- B01J31/4023—Regeneration or reactivation of catalysts containing metals containing iron group metals, noble metals or copper
- B01J31/403—Regeneration or reactivation of catalysts containing metals containing iron group metals, noble metals or copper containing iron group metals or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/20—Sulfiding
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
- C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/70—Oxidation reactions, e.g. epoxidation, (di)hydroxylation, dehydrogenation and analogues
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/70—Complexes comprising metals of Group VII (VIIB) as the central metal
- B01J2531/72—Manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/80—Complexes comprising metals of Group VIII as the central metal
- B01J2531/84—Metals of the iron group
- B01J2531/845—Cobalt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/90—Catalytic systems characterized by the solvent or solvent system used
- B01J2531/96—Water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/20—Carbon compounds
- B01J27/232—Carbonates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0215—Sulfur-containing compounds
- B01J31/0218—Sulfides
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4484173A JPS549596B2 (enExample) | 1973-04-20 | 1973-04-20 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2419323A1 DE2419323A1 (de) | 1974-11-07 |
| DE2419323B2 DE2419323B2 (de) | 1979-06-07 |
| DE2419323C3 true DE2419323C3 (de) | 1980-05-14 |
Family
ID=12702687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2419323A Expired DE2419323C3 (de) | 1973-04-20 | 1974-04-22 | Verfahren zur Rückgewinnung von Kobalt und/oder Mangan als Komponenten eines gegebenenfalls auch Brom enthaltenden Schwermetallkatalysators |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3956175A (enExample) |
| JP (1) | JPS549596B2 (enExample) |
| BE (1) | BE813759A (enExample) |
| BR (1) | BR7403186D0 (enExample) |
| CA (1) | CA1030512A (enExample) |
| DE (1) | DE2419323C3 (enExample) |
| ES (1) | ES425528A1 (enExample) |
| FR (1) | FR2226208B1 (enExample) |
| GB (1) | GB1465627A (enExample) |
| IT (1) | IT1004479B (enExample) |
| NL (1) | NL168560C (enExample) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1595974A (en) * | 1977-04-07 | 1981-08-19 | Ici Ltd | Recovering catalyst values |
| US4228091A (en) * | 1979-01-08 | 1980-10-14 | Standard Oil Company (Indiana) | Removal of nickel from cobalt and manganese |
| DE2950318C2 (de) * | 1979-12-14 | 1982-02-25 | Dynamit Nobel Ag, 5210 Troisdorf | Gewinnung und Wiederverwendung von Kobalt- oder Kobalt und Manganverbindungen aus dem Witten-DMT-Prozeß |
| GB2067914B (en) * | 1980-01-24 | 1983-09-01 | Shell Int Research | Process for the recovery of spent metal catalyst deposited in metallic form during a process for the catalyzed conversion of organic compounds |
| JPS56134526A (en) * | 1980-03-24 | 1981-10-21 | Mitsubishi Gas Chem Co Inc | Recovery of cobalt catalyst |
| US4298580A (en) * | 1980-12-19 | 1981-11-03 | Standard Oil Company (Indiana) | Separation of cobalt and manganese from trimellitic acid process residue by precipitating as carbonates, redissolving as halides and removing cobalt by magnetic means |
| US4309390A (en) * | 1980-12-19 | 1982-01-05 | Standard Oil Company (Indiana) | Separation of cobalt and manganese from trimellitic acid process residue by extraction, pH adjustment, and magnet |
| US4308240A (en) * | 1980-12-19 | 1981-12-29 | Standard Oil Company (Indiana) | Recovery of cobalt and manganese from ash of residue from manufacture of trimellitic acid by acid extraction |
| US4353810A (en) * | 1981-01-21 | 1982-10-12 | Hercofina | Minimizing iron in recovered oxidation catalyst material in DMT process |
| US4459365A (en) * | 1981-05-29 | 1984-07-10 | Mitsubishi Gas Chemical Company, Inc. | Method of recovering a catalytic metal |
| EP1281438B1 (en) * | 1996-08-29 | 2009-11-11 | La Seda De Barcelona S.A. | Catalyst recovery |
| WO2009040311A2 (en) * | 2007-09-28 | 2009-04-02 | Shell Internationale Research Maatschappij B.V. | Process for the removal of catalyst degradation products |
| CN103086440B (zh) * | 2011-11-02 | 2014-10-29 | 深圳市环境友好金属材料工程技术研究开发中心 | 一种处理草酸钴废料的方法 |
| CN107617445B (zh) * | 2017-10-28 | 2019-12-27 | 浙江上虞利星化工有限公司 | 利用回收钴锰制备钴锰溴水溶液的方法 |
| CN107597170B (zh) * | 2017-10-28 | 2019-06-28 | 浙江上虞利星化工有限公司 | 利用回收钴锰制备钴锰溴水溶液的方法 |
| CN107803211B (zh) * | 2017-10-28 | 2019-06-28 | 浙江上虞利星化工有限公司 | 一种钴或/和锰溴化物的制备方法 |
| CN107744820B (zh) * | 2017-10-28 | 2019-06-28 | 浙江上虞利星化工有限公司 | 利用回收钴锰制备钴锰溴复合水溶液的方法 |
| KR20200061616A (ko) | 2018-11-26 | 2020-06-03 | 롯데케미칼 주식회사 | 코발트 및 망간을 포함하는 금속 촉매의 회수방법 |
| CN113233912B (zh) * | 2021-06-29 | 2023-03-17 | 安徽理工大学 | 电解锰渣复配煤系废物制备的高强高气孔率保温陶粒及其制备方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2964559A (en) * | 1957-11-12 | 1960-12-13 | Standard Oil Co | Process for recovery of oxidation catalysts |
| US3033899A (en) * | 1957-12-02 | 1962-05-08 | Standard Oil Co | Crystallization of benzene tricarboxylic acids from aqueous solutions |
| US3105851A (en) * | 1957-12-30 | 1963-10-01 | Standard Oil Co | Separation of recoverable materials from oxidation by-products |
| US3341470A (en) * | 1963-02-27 | 1967-09-12 | Standard Oil Co | Chemical process |
| US3673154A (en) * | 1970-06-26 | 1972-06-27 | Atlantic Richfield Co | Process for the recovery of cobalt catalyst |
| US3840641A (en) * | 1972-10-20 | 1974-10-08 | Standard Oil Co | Recovery of bromine from tere-and isophthalic acid process residues |
-
1973
- 1973-04-20 JP JP4484173A patent/JPS549596B2/ja not_active Expired
-
1974
- 1974-04-16 BE BE143235A patent/BE813759A/xx not_active IP Right Cessation
- 1974-04-18 CA CA198,053A patent/CA1030512A/en not_active Expired
- 1974-04-19 FR FR7413779A patent/FR2226208B1/fr not_active Expired
- 1974-04-19 BR BR3186/74A patent/BR7403186D0/pt unknown
- 1974-04-19 IT IT50490/74A patent/IT1004479B/it active
- 1974-04-19 NL NLAANVRAGE7405332,A patent/NL168560C/xx not_active IP Right Cessation
- 1974-04-19 GB GB1718574A patent/GB1465627A/en not_active Expired
- 1974-04-20 ES ES425528A patent/ES425528A1/es not_active Expired
- 1974-04-22 DE DE2419323A patent/DE2419323C3/de not_active Expired
- 1974-04-22 US US05/463,025 patent/US3956175A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS49130383A (enExample) | 1974-12-13 |
| NL168560C (nl) | 1982-04-16 |
| GB1465627A (en) | 1977-02-23 |
| BE813759A (fr) | 1974-08-16 |
| ES425528A1 (es) | 1976-10-16 |
| FR2226208A1 (enExample) | 1974-11-15 |
| NL168560B (nl) | 1981-11-16 |
| JPS549596B2 (enExample) | 1979-04-25 |
| FR2226208B1 (enExample) | 1980-07-04 |
| BR7403186D0 (pt) | 1974-12-24 |
| DE2419323B2 (de) | 1979-06-07 |
| DE2419323A1 (de) | 1974-11-07 |
| NL7405332A (enExample) | 1974-10-22 |
| CA1030512A (en) | 1978-05-02 |
| US3956175A (en) | 1976-05-11 |
| IT1004479B (it) | 1976-07-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2419323B2 (de) | Verfahren zur Rückgewinnung von Kobalt und/oder Mangan als Komponenten eines gegebenenfalls auch Brom enthaltenden Schwermetallkatalysators | |
| DE2743812C2 (de) | Verfahren zur Aufarbeitung von Buntmetallhydroxidschlamm-Abfallen | |
| DE2702779A1 (de) | Verfahren zur zinkgewinnung aus einem zink und eisen enthaltenden material | |
| DE2131470A1 (de) | Verfahren zur Gewinnung von Kobalt | |
| DE2924657A1 (de) | Verbesserte methode zur gewinnung von metallischem kupfer | |
| DE4112339A1 (de) | Verfahren zum herstellen von kupferarsenat | |
| DE2850707A1 (de) | Behandlungsverfahren fuer arsen- und metallhaltige rohmaterialien | |
| DE2504783A1 (de) | Verfahren zur erzeugung von nickel aus einer nickelhaltigen legierung | |
| DE2415393A1 (de) | Verfahren zur gewinnung von schwermetallbromiden und gegebenenfalls bromwasserstoff aus dem destillationsrueckstand der mutterlauge nach abtrennung der terephthalsaeure aus dem bei der oxidation von p-dialkylbenzolen in fluessiger phase in gegenwart von schwermetallhaltigen, bromaktivierten oxidationskatalysatoren und einer niederen aliphatischen carbonsaeure anfallenden reaktionsgemisch | |
| DE1667764A1 (de) | Verfahren zur Rueckgewinnung von Selen aus Reaktionsgemischen | |
| CH644400A5 (de) | Verfahren zur aufarbeitung von buntmetallhydroxidschlammrueckstaenden. | |
| DE2624762C2 (enExample) | ||
| DE2601766B2 (de) | Verfahren zur selektiven Rückgewinnung von Cadmium aus cadmiumhaltigem Abfall | |
| EP0273244A2 (de) | Verfahren zur Herstellung von hochwertigem Titandioxid nach dem Sulfatverfahren | |
| DE2022569C3 (de) | Verfahren zur Reinigung von rohem 2-Mercaptobenzothiazol | |
| DE2625631C3 (de) | Verfahren zur Herstellung von Alkaligoldsulfit | |
| DE2603874B2 (de) | Verfahren zur entfernung von arsen aus einer arsen zusammen mit kupfer enthaltenden loesung | |
| DE3022874A1 (de) | Verfahren zur herstellung von tantal-konzentraten | |
| DE2260491A1 (de) | Gewinnung von katalysatormetallen aus rueckstaenden, die bei der herstellung aromatischer saeuren durch katalytische oxydation in fluessiger phase anfallen | |
| DE2708543A1 (de) | Verfahren zur elektrolytischen gewinnung von metallischem zink | |
| DE2630631B2 (de) | Verfahren zur abtrennung von schwermetallen aus fluessigkeiten bzw. gasen | |
| DE19526655C1 (de) | Verfahren zur Gewinnung von Vanadiumverbindungen aus Feststoffgemischen von Metalloxiden und Metallsulfaten | |
| DE3732242C2 (enExample) | ||
| DE3206355C2 (enExample) | ||
| DE2412551A1 (de) | Verfahren zur oxydation von schwefeldioxyd |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |