DE2505713C2 - Verbesserung der Filtration von Titandioxid-Hydrolysatschlämmen - Google Patents
Verbesserung der Filtration von Titandioxid-HydrolysatschlämmenInfo
- Publication number
- DE2505713C2 DE2505713C2 DE19752505713 DE2505713A DE2505713C2 DE 2505713 C2 DE2505713 C2 DE 2505713C2 DE 19752505713 DE19752505713 DE 19752505713 DE 2505713 A DE2505713 A DE 2505713A DE 2505713 C2 DE2505713 C2 DE 2505713C2
- Authority
- DE
- Germany
- Prior art keywords
- filtration
- hydrolyzate
- hydrolysis
- titanium dioxide
- carbon atoms
- 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
- 238000001914 filtration Methods 0.000 title claims description 34
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims description 33
- 239000004408 titanium dioxide Substances 0.000 title claims description 16
- 239000010802 sludge Substances 0.000 title claims description 5
- 230000006872 improvement Effects 0.000 title description 5
- 238000000034 method Methods 0.000 claims description 27
- 230000007062 hydrolysis Effects 0.000 claims description 24
- 238000006460 hydrolysis reaction Methods 0.000 claims description 24
- 150000001875 compounds Chemical class 0.000 claims description 14
- 125000004432 carbon atom Chemical group C* 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 11
- 125000000217 alkyl group Chemical group 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 239000011593 sulfur Substances 0.000 claims description 4
- HDUMBHAAKGUHAR-UHFFFAOYSA-J titanium(4+);disulfate Chemical compound [Ti+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O HDUMBHAAKGUHAR-UHFFFAOYSA-J 0.000 claims description 4
- 150000001408 amides Chemical class 0.000 claims description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000000243 solution Substances 0.000 description 11
- 239000002253 acid Substances 0.000 description 8
- 239000000725 suspension Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 239000012065 filter cake Substances 0.000 description 4
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 description 4
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 4
- 229910000348 titanium sulfate Inorganic materials 0.000 description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- -1 alkyl sulfuric acid esters Chemical class 0.000 description 2
- 229940077388 benzenesulfonate Drugs 0.000 description 2
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 2
- 229940092714 benzenesulfonic acid Drugs 0.000 description 2
- 238000004061 bleaching Methods 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 150000004028 organic sulfates Chemical class 0.000 description 2
- 150000002898 organic sulfur compounds Chemical class 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- CESKLHVYGRFMFP-UHFFFAOYSA-N sulfonmethane Chemical compound CCS(=O)(=O)C(C)(C)S(=O)(=O)CC CESKLHVYGRFMFP-UHFFFAOYSA-N 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- 238000010626 work up procedure Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 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
- HVWGGPRWKSHASF-UHFFFAOYSA-N Sulfuric acid, monooctadecyl ester Chemical compound CCCCCCCCCCCCCCCCCCOS(O)(=O)=O HVWGGPRWKSHASF-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001414 amino alcohols Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- SRSXLGNVWSONIS-UHFFFAOYSA-M benzenesulfonate Chemical compound [O-]S(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-M 0.000 description 1
- LPTWEDZIPSKWDG-UHFFFAOYSA-N benzenesulfonic acid;dodecane Chemical compound OS(=O)(=O)C1=CC=CC=C1.CCCCCCCCCCCC LPTWEDZIPSKWDG-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229940080284 cetyl sulfate Drugs 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- MOTZDAYCYVMXPC-UHFFFAOYSA-N dodecyl hydrogen sulfate Chemical compound CCCCCCCCCCCCOS(O)(=O)=O MOTZDAYCYVMXPC-UHFFFAOYSA-N 0.000 description 1
- 229940043264 dodecyl sulfate Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- LPTIRUACFKQDHZ-UHFFFAOYSA-N hexadecyl sulfate;hydron Chemical compound CCCCCCCCCCCCCCCCOS(O)(=O)=O LPTIRUACFKQDHZ-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid group Chemical group C(CCCCCCC\C=C/CCCCCCCC)(=O)O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- C22B34/00—Obtaining refractory metals
- C22B34/10—Obtaining titanium, zirconium or hafnium
- C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
- C22B34/1236—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching
- C22B34/1259—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching treatment or purification of titanium containing solutions or liquors or slurries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Treatment Of Sludge (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752505713 DE2505713C2 (de) | 1975-02-12 | 1975-02-12 | Verbesserung der Filtration von Titandioxid-Hydrolysatschlämmen |
| GB4491075A GB1518549A (en) | 1975-02-12 | 1975-10-30 | Filtration of titanium dioxide hydrolyzate sludge |
| NL7601292A NL7601292A (nl) | 1975-02-12 | 1976-02-09 | Werkwijze voor de filtratie van hydrolysaatsus- pensies van titaandioxyde. |
| IT4802976A IT1053833B (it) | 1975-02-12 | 1976-02-10 | Procedimento per la filtrazione migliorata di fanghi di idrolizzato di biossido di titanio |
| JP1291576A JPS51106000A (ja) | 1975-02-12 | 1976-02-10 | Nisankachitannoseizoho |
| ES445079A ES445079A1 (es) | 1975-02-12 | 1976-02-11 | Procedimiento para mejorar la filtrabilidad de lodos de hi- drolizado de dioxido de titanio. |
| BR7600838A BR7600838A (pt) | 1975-02-12 | 1976-02-11 | Processo para acelerar a velocidade de filtracao e diminuir perdas por filtracao de depositos de hidrolisado de dioxido de titanio |
| FR7603889A FR2300742A1 (fr) | 1975-02-12 | 1976-02-12 | Procede pour ameliorer la filtration des boues d'hydrolyse contenant du bioxyde de titane |
| BE2054820A BE838472A (fr) | 1975-02-12 | 1976-02-12 | Procede pour ameliorer la filtration des boues d'hydrolyse contenant du bioxyde de titane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752505713 DE2505713C2 (de) | 1975-02-12 | 1975-02-12 | Verbesserung der Filtration von Titandioxid-Hydrolysatschlämmen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2505713A1 DE2505713A1 (de) | 1976-08-19 |
| DE2505713C2 true DE2505713C2 (de) | 1983-08-25 |
Family
ID=5938611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752505713 Expired DE2505713C2 (de) | 1975-02-12 | 1975-02-12 | Verbesserung der Filtration von Titandioxid-Hydrolysatschlämmen |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS51106000A (it) |
| BE (1) | BE838472A (it) |
| BR (1) | BR7600838A (it) |
| DE (1) | DE2505713C2 (it) |
| ES (1) | ES445079A1 (it) |
| FR (1) | FR2300742A1 (it) |
| GB (1) | GB1518549A (it) |
| IT (1) | IT1053833B (it) |
| NL (1) | NL7601292A (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2373915A2 (en) | 2008-12-06 | 2011-10-12 | 3Ip, Pllc | Improved heat transfer between tracer and pipe |
| US12188729B2 (en) | 2020-10-08 | 2025-01-07 | Controls Southeast, Inc. | Adjustable heat transfer element |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2414049A (en) * | 1944-11-28 | 1947-01-07 | Du Pont | Purification of titanium salt solutions |
| US3023162A (en) * | 1956-04-10 | 1962-02-27 | Rohm & Haas | Dewatering aqueous suspensions with quaternized dialkylaminoalkyl acrylates or methacrylates |
| GB987763A (en) * | 1962-02-16 | 1965-03-31 | British Titan Products | Process for purifying titanium dioxide pigment |
| US3397037A (en) * | 1965-07-08 | 1968-08-13 | American Cyanamid Co | Digestion of titanium-bearing ores |
| GB1227743A (it) * | 1967-04-14 | 1971-04-07 | ||
| US3658474A (en) * | 1970-07-16 | 1972-04-25 | Allied Colloids Mfg | Process for clarification of an impure acidic titanium sulphate liquor and/or the manufacture of titanium dioxide therefrom |
-
1975
- 1975-02-12 DE DE19752505713 patent/DE2505713C2/de not_active Expired
- 1975-10-30 GB GB4491075A patent/GB1518549A/en not_active Expired
-
1976
- 1976-02-09 NL NL7601292A patent/NL7601292A/xx not_active Application Discontinuation
- 1976-02-10 JP JP1291576A patent/JPS51106000A/ja active Pending
- 1976-02-10 IT IT4802976A patent/IT1053833B/it active
- 1976-02-11 BR BR7600838A patent/BR7600838A/pt unknown
- 1976-02-11 ES ES445079A patent/ES445079A1/es not_active Expired
- 1976-02-12 FR FR7603889A patent/FR2300742A1/fr active Granted
- 1976-02-12 BE BE2054820A patent/BE838472A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BR7600838A (pt) | 1976-09-14 |
| GB1518549A (en) | 1978-07-19 |
| NL7601292A (nl) | 1976-08-16 |
| FR2300742A1 (fr) | 1976-09-10 |
| DE2505713A1 (de) | 1976-08-19 |
| FR2300742B1 (it) | 1980-03-21 |
| JPS51106000A (ja) | 1976-09-20 |
| BE838472A (fr) | 1976-08-12 |
| IT1053833B (it) | 1981-10-10 |
| ES445079A1 (es) | 1977-05-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8365 | Fully valid after opposition proceedings | ||
| 8330 | Complete disclaimer |