CA1224201A - Process for the manufacture of zeolite a and product obtained - Google Patents
Process for the manufacture of zeolite a and product obtainedInfo
- Publication number
- CA1224201A CA1224201A CA000451780A CA451780A CA1224201A CA 1224201 A CA1224201 A CA 1224201A CA 000451780 A CA000451780 A CA 000451780A CA 451780 A CA451780 A CA 451780A CA 1224201 A CA1224201 A CA 1224201A
- Authority
- CA
- Canada
- Prior art keywords
- gypsum
- gel
- process according
- aluminum
- alumina
- 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
- 238000000034 method Methods 0.000 title claims abstract description 50
- 230000008569 process Effects 0.000 title claims abstract description 39
- 229910021536 Zeolite Inorganic materials 0.000 title claims abstract description 38
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000010457 zeolite Substances 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 123
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 99
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 56
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 52
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 48
- 239000002699 waste material Substances 0.000 claims abstract description 46
- 239000002253 acid Substances 0.000 claims abstract description 41
- 239000002893 slag Substances 0.000 claims abstract description 37
- 235000011121 sodium hydroxide Nutrition 0.000 claims abstract description 33
- 239000004411 aluminium Substances 0.000 claims abstract description 27
- 238000011282 treatment Methods 0.000 claims abstract description 10
- 239000012736 aqueous medium Substances 0.000 claims abstract description 7
- 239000000499 gel Substances 0.000 claims description 93
- 239000010440 gypsum Substances 0.000 claims description 66
- 229910052602 gypsum Inorganic materials 0.000 claims description 66
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 52
- 239000000203 mixture Substances 0.000 claims description 49
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 37
- 239000007787 solid Substances 0.000 claims description 35
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 30
- 239000012452 mother liquor Substances 0.000 claims description 30
- 239000000741 silica gel Substances 0.000 claims description 28
- 229910002027 silica gel Inorganic materials 0.000 claims description 28
- 229960001866 silicon dioxide Drugs 0.000 claims description 28
- 238000001556 precipitation Methods 0.000 claims description 27
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 26
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 26
- 238000001914 filtration Methods 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 21
- 239000000725 suspension Substances 0.000 claims description 21
- 150000001412 amines Chemical class 0.000 claims description 18
- 238000005188 flotation Methods 0.000 claims description 15
- 238000005406 washing Methods 0.000 claims description 11
- 230000007935 neutral effect Effects 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 9
- 238000002048 anodisation reaction Methods 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 244000060011 Cocos nucifera Species 0.000 claims description 7
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 7
- 239000011575 calcium Substances 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- 239000002609 medium Substances 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 6
- 239000003760 tallow Substances 0.000 claims description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 5
- 229910052791 calcium Inorganic materials 0.000 claims description 5
- 230000003472 neutralizing effect Effects 0.000 claims description 5
- 235000011149 sulphuric acid Nutrition 0.000 claims description 5
- 239000004408 titanium dioxide Substances 0.000 claims description 5
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910001424 calcium ion Inorganic materials 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000001376 precipitating effect Effects 0.000 claims description 4
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 125000001183 hydrocarbyl group Chemical group 0.000 claims description 3
- 239000007795 chemical reaction product Substances 0.000 claims description 2
- 230000006872 improvement Effects 0.000 claims description 2
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 2
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims 2
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 claims 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 2
- 235000010210 aluminium Nutrition 0.000 abstract description 30
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 abstract description 7
- 229910001388 sodium aluminate Inorganic materials 0.000 abstract description 7
- 238000004381 surface treatment Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 27
- 239000000376 reactant Substances 0.000 description 24
- 229910001868 water Inorganic materials 0.000 description 24
- 235000012239 silicon dioxide Nutrition 0.000 description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 23
- 235000010216 calcium carbonate Nutrition 0.000 description 20
- 229960003563 calcium carbonate Drugs 0.000 description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 17
- 230000015572 biosynthetic process Effects 0.000 description 17
- 238000000926 separation method Methods 0.000 description 17
- 229910052681 coesite Inorganic materials 0.000 description 15
- 229910052906 cristobalite Inorganic materials 0.000 description 15
- 238000004090 dissolution Methods 0.000 description 15
- 229910052682 stishovite Inorganic materials 0.000 description 15
- 229910052905 tridymite Inorganic materials 0.000 description 15
- 238000003786 synthesis reaction Methods 0.000 description 13
- 235000010215 titanium dioxide Nutrition 0.000 description 12
- 239000011734 sodium Substances 0.000 description 11
- 239000000470 constituent Substances 0.000 description 10
- 238000002425 crystallisation Methods 0.000 description 10
- 238000006386 neutralization reaction Methods 0.000 description 10
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 10
- 239000000047 product Substances 0.000 description 9
- 239000011541 reaction mixture Substances 0.000 description 9
- 230000008025 crystallization Effects 0.000 description 8
- 238000009472 formulation Methods 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 8
- 238000007792 addition Methods 0.000 description 7
- 239000011651 chromium Substances 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 7
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- 150000004645 aluminates Chemical class 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 4
- 229960005069 calcium Drugs 0.000 description 4
- 230000003750 conditioning effect Effects 0.000 description 4
- PPAVUALENQYVKC-UHFFFAOYSA-L disodium chloride hydroxide hydrate Chemical compound O.[Cl-].[Na+].[OH-].[Na+] PPAVUALENQYVKC-UHFFFAOYSA-L 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000007790 solid phase Substances 0.000 description 4
- 229960005196 titanium dioxide Drugs 0.000 description 4
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 239000012429 reaction media Substances 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 150000001398 aluminium Chemical class 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000001117 sulphuric acid Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 238000003828 vacuum filtration Methods 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241000518994 Conta Species 0.000 description 1
- 244000228957 Ferula foetida Species 0.000 description 1
- 241001092591 Flota Species 0.000 description 1
- 241000257303 Hymenoptera Species 0.000 description 1
- 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
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 241000153282 Theope Species 0.000 description 1
- 241000534944 Thia Species 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 239000001164 aluminium sulphate Substances 0.000 description 1
- 235000011128 aluminium sulphate Nutrition 0.000 description 1
- 238000007743 anodising Methods 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- MCWXGJITAZMZEV-UHFFFAOYSA-N dimethoate Chemical compound CNC(=O)CSP(=S)(OC)OC MCWXGJITAZMZEV-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000012738 dissolution medium Substances 0.000 description 1
- LMXOWXVJZDTLAD-UHFFFAOYSA-N dodecan-1-amine Chemical compound CCCCCCCCCCCCN.CCCCCCCCCCCCN LMXOWXVJZDTLAD-UHFFFAOYSA-N 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010665 pine oil Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000003352 sequestering agent Substances 0.000 description 1
- 125000005624 silicic acid group Chemical group 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 235000019830 sodium polyphosphate Nutrition 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/26—Aluminium-containing silicates, i.e. silico-aluminates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/26—Aluminium-containing silicates, i.e. silico-aluminates
- C01B33/28—Base exchange silicates, e.g. zeolites
- C01B33/2807—Zeolitic silicoaluminates with a tridimensional crystalline structure possessing molecular sieve properties; Isomorphous compounds wherein a part of the aluminium ore of the silicon present may be replaced by other elements such as gallium, germanium, phosphorus; Preparation of zeolitic molecular sieves from molecular sieves of another type or from preformed reacting mixtures
- C01B33/2815—Zeolitic silicoaluminates with a tridimensional crystalline structure possessing molecular sieve properties; Isomorphous compounds wherein a part of the aluminium ore of the silicon present may be replaced by other elements such as gallium, germanium, phosphorus; Preparation of zeolitic molecular sieves from molecular sieves of another type or from preformed reacting mixtures of type A (UNION CARBIDE trade name; corresponds to GRACE's types Z-12 or Z-12L)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU84,743 | 1983-04-11 | ||
| LU84743A LU84743A1 (fr) | 1983-04-11 | 1983-04-11 | Procede de fabrication de zeolite a et produits obtenus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1224201A true CA1224201A (en) | 1987-07-14 |
Family
ID=19730074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000451780A Expired CA1224201A (en) | 1983-04-11 | 1984-04-11 | Process for the manufacture of zeolite a and product obtained |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS60108357A (it) |
| KR (1) | KR840008641A (it) |
| AU (1) | AU578243B2 (it) |
| BE (1) | BE899312A (it) |
| CA (1) | CA1224201A (it) |
| DE (1) | DE3413317A1 (it) |
| ES (1) | ES8506543A1 (it) |
| FI (1) | FI841370A7 (it) |
| FR (1) | FR2543939B1 (it) |
| GB (1) | GB2138792B (it) |
| IT (1) | IT1176004B (it) |
| LU (1) | LU84743A1 (it) |
| NL (1) | NL8401114A (it) |
| NO (1) | NO841402L (it) |
| ZA (1) | ZA842508B (it) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1240782B (it) * | 1990-02-27 | 1993-12-17 | Ilva Spa | Procedimento perfezionato per la produzione di zeoliti. |
| ES2068743B1 (es) * | 1993-02-11 | 1995-11-16 | Invest De Las Ind Ceramicas A | Procedimiento de obtencion de zeolita a. |
| ES2161109B1 (es) * | 1998-05-29 | 2002-06-16 | Consejo Superior Investigacion | Procedimiento optimizado para la obtencion de zeolitas a partir de lejias residuales de la industria de anodizacion y extrusion, utilizables en la formulacion de detergentes. |
| FR2804103B1 (fr) * | 2000-01-26 | 2002-03-01 | Commissariat Energie Atomique | Procede de conditionnement d'effluents de soude sous forme nepheline |
| KR100415941B1 (ko) * | 2001-06-12 | 2004-01-24 | 코스모산업 주식회사 | 보오크사이트를 이용한 제올라이트 4에이의 제조방법 |
| KR100491091B1 (ko) * | 2002-09-30 | 2005-05-24 | 코스모정밀화학 주식회사 | 제올라이트의 제조방법 |
| WO2005095674A1 (en) * | 2004-03-31 | 2005-10-13 | G.R. Trattamenti Termici - Grtt S.R.L. | Process for recovering caustic soda solutions from pickling of aluminum extrusion matrix |
| CN104968336A (zh) * | 2012-07-11 | 2015-10-07 | Zs制药公司 | 用于治疗高钙血症患者高钾血症的微孔硅酸锆以及用于治疗高钾血症的改进的含钙组合物 |
| US10829447B2 (en) | 2017-04-27 | 2020-11-10 | Sumitomo Chemical Company, Limited | Methionine production method and production equipment |
| CN113231007B (zh) * | 2021-06-07 | 2022-07-12 | 北京科技大学 | 一种利用高炉渣制备重金属吸附剂的方法及应用 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5722994B2 (it) * | 1973-08-24 | 1982-05-15 | ||
| JPS5224197A (en) * | 1975-08-20 | 1977-02-23 | Kazuichi Tanimura | Method for caustic treatment of aiuminum sludge |
| JPS6050725B2 (ja) * | 1978-12-27 | 1985-11-09 | 昭和鋼機株式会社 | 高純度アルミノケイ酸塩の製造法 |
| JPS55144412A (en) * | 1979-04-27 | 1980-11-11 | Kazuo Soma | Treatment of aluminum sludge |
-
1983
- 1983-04-11 LU LU84743A patent/LU84743A1/fr unknown
-
1984
- 1984-04-02 BE BE0/212684A patent/BE899312A/fr not_active IP Right Cessation
- 1984-04-03 FR FR8405219A patent/FR2543939B1/fr not_active Expired
- 1984-04-04 ZA ZA842508A patent/ZA842508B/xx unknown
- 1984-04-06 FI FI841370A patent/FI841370A7/fi not_active Application Discontinuation
- 1984-04-06 ES ES531359A patent/ES8506543A1/es not_active Expired
- 1984-04-06 GB GB08408918A patent/GB2138792B/en not_active Expired
- 1984-04-09 DE DE19843413317 patent/DE3413317A1/de not_active Withdrawn
- 1984-04-09 NO NO841402A patent/NO841402L/no unknown
- 1984-04-09 NL NL8401114A patent/NL8401114A/nl not_active Application Discontinuation
- 1984-04-10 KR KR1019840001885A patent/KR840008641A/ko not_active Withdrawn
- 1984-04-10 AU AU26674/84A patent/AU578243B2/en not_active Expired - Fee Related
- 1984-04-10 IT IT20479/84A patent/IT1176004B/it active
- 1984-04-10 JP JP59072570A patent/JPS60108357A/ja active Pending
- 1984-04-11 CA CA000451780A patent/CA1224201A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB8408918D0 (en) | 1984-05-16 |
| FR2543939B1 (fr) | 1986-11-28 |
| FI841370A7 (fi) | 1984-10-12 |
| AU2667484A (en) | 1984-10-18 |
| KR840008641A (ko) | 1984-12-17 |
| GB2138792A (en) | 1984-10-31 |
| IT8420479A0 (it) | 1984-04-10 |
| IT1176004B (it) | 1987-08-12 |
| ES531359A0 (es) | 1985-08-01 |
| ES8506543A1 (es) | 1985-08-01 |
| BE899312A (fr) | 1984-10-02 |
| FI841370A0 (fi) | 1984-04-06 |
| LU84743A1 (fr) | 1984-11-28 |
| NL8401114A (nl) | 1984-11-01 |
| NO841402L (no) | 1984-10-12 |
| FR2543939A1 (fr) | 1984-10-12 |
| GB2138792B (en) | 1987-10-21 |
| AU578243B2 (en) | 1988-10-20 |
| JPS60108357A (ja) | 1985-06-13 |
| DE3413317A1 (de) | 1984-12-06 |
| ZA842508B (en) | 1984-10-31 |
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| Date | Code | Title | Description |
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| MKEX | Expiry |