NO123938B - - Google Patents
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- Publication number
- NO123938B NO123938B NO170972A NO17097267A NO123938B NO 123938 B NO123938 B NO 123938B NO 170972 A NO170972 A NO 170972A NO 17097267 A NO17097267 A NO 17097267A NO 123938 B NO123938 B NO 123938B
- Authority
- NO
- Norway
- Prior art keywords
- evaporation
- weight
- mother liquor
- water
- neutralization
- Prior art date
Links
- 238000001704 evaporation Methods 0.000 claims description 37
- 230000008020 evaporation Effects 0.000 claims description 37
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000012452 mother liquor Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 14
- 235000011007 phosphoric acid Nutrition 0.000 claims description 14
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000006386 neutralization reaction Methods 0.000 claims description 8
- 239000003513 alkali Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000010924 continuous production Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 3
- 239000007795 chemical reaction product Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000002178 crystalline material Substances 0.000 claims description 2
- 238000002425 crystallisation Methods 0.000 claims description 2
- 230000008025 crystallization Effects 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 30
- 238000004519 manufacturing process Methods 0.000 description 11
- 235000011121 sodium hydroxide Nutrition 0.000 description 11
- 239000013078 crystal Substances 0.000 description 9
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 7
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 description 5
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 4
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 150000004712 monophosphates Chemical class 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 229910000397 disodium phosphate Inorganic materials 0.000 description 2
- 235000019800 disodium phosphate Nutrition 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000001488 sodium phosphate Substances 0.000 description 2
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 2
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical compound [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- XULSCZPZVQIMFM-IPZQJPLYSA-N odevixibat Chemical compound C12=CC(SC)=C(OCC(=O)N[C@@H](C(=O)N[C@@H](CC)C(O)=O)C=3C=CC(O)=CC=3)C=C2S(=O)(=O)NC(CCCC)(CCCC)CN1C1=CC=CC=C1 XULSCZPZVQIMFM-IPZQJPLYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 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
- C01B25/26—Phosphates
- C01B25/30—Alkali metal phosphates
- C01B25/301—Preparation from liquid orthophosphoric acid or from an acid solution or suspension of orthophosphates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S159/00—Concentrating evaporators
- Y10S159/25—Decant, press, centrifuge
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB0090523 | 1966-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO123938B true NO123938B (zh) | 1972-02-07 |
Family
ID=6985343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO170972A NO123938B (zh) | 1966-12-30 | 1967-12-13 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3615184A (zh) |
| AT (1) | AT290466B (zh) |
| BE (1) | BE708767A (zh) |
| CH (1) | CH498048A (zh) |
| ES (1) | ES348616A1 (zh) |
| FR (1) | FR1561215A (zh) |
| GB (1) | GB1161043A (zh) |
| IL (1) | IL29247A (zh) |
| NL (1) | NL156372B (zh) |
| NO (1) | NO123938B (zh) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3893894A (en) * | 1973-06-13 | 1975-07-08 | Pollution Control Inc | Low temperature water purification system |
| CN110775952B (zh) * | 2019-12-16 | 2023-01-31 | 瓮福达州化工有限责任公司 | 一种食品级磷酸二氢钾制备工艺 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE554670A (zh) * | ||||
| US1689547A (en) * | 1925-08-08 | 1928-10-30 | Fed Phosphorus Co | Method for making tri-sodium phosphate |
| US1936168A (en) * | 1929-08-23 | 1933-11-21 | Kunstdunger Patent Verwertungs | Method of producing diammonium phosphate |
| US2390400A (en) * | 1942-06-26 | 1945-12-04 | Monsanto Chemicals | Production of sodium phosphates |
| US3201195A (en) * | 1959-01-17 | 1965-08-17 | Huber Hans | Process of making substantially pure alkali metal and ammonium phosphates from crudephosphoric acid |
| US3211523A (en) * | 1961-08-22 | 1965-10-12 | Francis L Melvill | Production of monosodium phosphate |
| US3261392A (en) * | 1963-10-16 | 1966-07-19 | Jacoby Process Equipment Compa | Evaporation system and method |
| US3419899A (en) * | 1965-04-16 | 1968-12-31 | Hooker Chemical Corp | Crystallization of ammonium perchlorate |
| US3362457A (en) * | 1966-03-18 | 1968-01-09 | Chicago Bridge & Iron Co | Apparatus and method for concentrating solutions |
| US3409394A (en) * | 1967-12-22 | 1968-11-05 | James P. Sprigg | Method of producing phosphate granules by reacting phosphoric acid and a carbonate with controlled reaction times |
-
1967
- 1967-12-13 NO NO170972A patent/NO123938B/no unknown
- 1967-12-18 AT AT1141767A patent/AT290466B/de not_active IP Right Cessation
- 1967-12-23 ES ES348616A patent/ES348616A1/es not_active Expired
- 1967-12-27 CH CH1817067A patent/CH498048A/de not_active IP Right Cessation
- 1967-12-27 FR FR1561215D patent/FR1561215A/fr not_active Expired
- 1967-12-29 US US694700A patent/US3615184A/en not_active Expired - Lifetime
- 1967-12-29 BE BE708767D patent/BE708767A/xx unknown
- 1967-12-29 IL IL29247A patent/IL29247A/en unknown
- 1967-12-29 NL NL6717835.A patent/NL156372B/xx unknown
-
1968
- 1968-01-01 GB GB35/68A patent/GB1161043A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL156372B (nl) | 1978-04-17 |
| AT290466B (de) | 1971-06-11 |
| US3615184A (en) | 1971-10-26 |
| FR1561215A (zh) | 1969-03-28 |
| BE708767A (zh) | 1968-05-02 |
| NL6717835A (zh) | 1968-07-01 |
| IL29247A (en) | 1971-10-20 |
| CH498048A (de) | 1970-10-31 |
| ES348616A1 (es) | 1969-03-16 |
| GB1161043A (en) | 1969-08-13 |
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