DD219470A5 - Verfahren zur behandlung des bei der nassphosphorsaeureherstellung anfallenden abwassers - Google Patents
Verfahren zur behandlung des bei der nassphosphorsaeureherstellung anfallenden abwassers Download PDFInfo
- Publication number
- DD219470A5 DD219470A5 DD84262016A DD26201684A DD219470A5 DD 219470 A5 DD219470 A5 DD 219470A5 DD 84262016 A DD84262016 A DD 84262016A DD 26201684 A DD26201684 A DD 26201684A DD 219470 A5 DD219470 A5 DD 219470A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- wastewater
- resulting
- neutralization
- phosphoric acid
- sludge
- Prior art date
Links
- 239000002351 wastewater Substances 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 23
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 20
- 239000010802 sludge Substances 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000010440 gypsum Substances 0.000 claims abstract description 15
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 239000002002 slurry Substances 0.000 claims abstract description 9
- 238000005406 washing Methods 0.000 claims abstract description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 6
- 239000012267 brine Substances 0.000 claims description 4
- 239000011575 calcium Substances 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 230000018044 dehydration Effects 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000209 wet digestion Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000002367 phosphate rock Substances 0.000 claims 1
- 229910019142 PO4 Inorganic materials 0.000 abstract description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract description 6
- 239000010452 phosphate Substances 0.000 abstract description 6
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 abstract description 3
- 229910001424 calcium ion Inorganic materials 0.000 abstract description 3
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 235000021317 phosphate Nutrition 0.000 description 7
- 239000012535 impurity Substances 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- XOJVVFBFDXDTEG-UHFFFAOYSA-N Norphytane Natural products CC(C)CCCC(C)CCCC(C)CCCC(C)C XOJVVFBFDXDTEG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229910001392 phosphorus oxide Inorganic materials 0.000 description 1
- LFGREXWGYUGZLY-UHFFFAOYSA-N phosphoryl Chemical class [P]=O LFGREXWGYUGZLY-UHFFFAOYSA-N 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002912 waste gas Substances 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
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
- C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
- C01B25/223—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen only one form of calcium sulfate being formed
- C01B25/225—Dihydrate process
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Removal Of Specific Substances (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Treatment Of Sludge (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833314248 DE3314248A1 (de) | 1983-04-20 | 1983-04-20 | Verfahren zur behandlung des bei der nassphosphorsaeureherstellung anfallenden abwassers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD219470A5 true DD219470A5 (de) | 1985-03-06 |
Family
ID=6196837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD84262016A DD219470A5 (de) | 1983-04-20 | 1984-04-16 | Verfahren zur behandlung des bei der nassphosphorsaeureherstellung anfallenden abwassers |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS59199095A (enrdf_load_stackoverflow) |
| AT (1) | AT390602B (enrdf_load_stackoverflow) |
| DD (1) | DD219470A5 (enrdf_load_stackoverflow) |
| DE (1) | DE3314248A1 (enrdf_load_stackoverflow) |
| IN (1) | IN160464B (enrdf_load_stackoverflow) |
| ZA (1) | ZA841733B (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT396227B (de) * | 1989-08-17 | 1993-07-26 | Perlmooser Zementwerke Ag | Neutralisierungsmittel mit depotwirkung |
| JP2002035766A (ja) * | 2000-07-21 | 2002-02-05 | Japan Organo Co Ltd | 排水中のフッ素、リンの除去方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1160376B (de) * | 1959-05-14 | 1963-12-27 | Knapsack Ag | Verfahren zur Aufbereitung von bei der Phosphorproduktion anfallenden Abwaessern |
| AT348947B (de) * | 1977-03-02 | 1979-03-12 | Voest Ag | Verfahren zur neutralisation von saeurehaeltigen spuelwaessern oder verbrauchten beizsaeuren von metallbeizereien |
| DD146446A1 (de) * | 1979-10-04 | 1981-02-11 | Hans Hoppe | Verfahren zur phosphat-eliminierung aus abwaessern |
| DE2943870A1 (de) * | 1979-10-30 | 1981-06-11 | Universal Gesellschaft zur Errichtung von Umweltschutzanlagen mbH & Co, 2410 Mölln | Verfahren und vorrichtung zum behandeln von abwaessern, insbesondere zur phosphat-faellung und zur nachreinigung von abwaessern in becken oder teichen |
| US4301014A (en) * | 1980-06-05 | 1981-11-17 | Hooker Chemicals & Plastics Corp. | Phosphorus pentasulfide waste water treatment |
| DE3038336A1 (de) * | 1980-10-10 | 1982-05-27 | Hoechst Ag, 6000 Frankfurt | Verfahren zur aufarbeitung von phosphorhaltigem abwasser |
-
1983
- 1983-04-20 DE DE19833314248 patent/DE3314248A1/de active Granted
-
1984
- 1984-03-08 IN IN219/DEL/84A patent/IN160464B/en unknown
- 1984-03-08 ZA ZA841733A patent/ZA841733B/xx unknown
- 1984-03-29 AT AT0107584A patent/AT390602B/de not_active IP Right Cessation
- 1984-04-16 DD DD84262016A patent/DD219470A5/de not_active IP Right Cessation
- 1984-04-18 JP JP59076749A patent/JPS59199095A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| AT390602B (de) | 1990-06-11 |
| ATA107584A (de) | 1989-11-15 |
| DE3314248C2 (enrdf_load_stackoverflow) | 1991-06-13 |
| ZA841733B (en) | 1984-10-31 |
| IN160464B (enrdf_load_stackoverflow) | 1987-07-11 |
| JPS59199095A (ja) | 1984-11-12 |
| DE3314248A1 (de) | 1984-10-25 |
| JPH0453600B2 (enrdf_load_stackoverflow) | 1992-08-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENJ | Ceased due to non-payment of renewal fee |