BE449678A - - Google Patents
Info
- Publication number
- BE449678A BE449678A BE449678DA BE449678A BE 449678 A BE449678 A BE 449678A BE 449678D A BE449678D A BE 449678DA BE 449678 A BE449678 A BE 449678A
- Authority
- BE
- Belgium
- Prior art keywords
- phosphate
- alkali
- attack
- electrolysis
- hydrochloric acid
- Prior art date
Links
- 229910019142 PO4 Inorganic materials 0.000 claims description 25
- 235000021317 phosphate Nutrition 0.000 claims description 25
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
- 239000010452 phosphate Substances 0.000 claims description 19
- 239000003513 alkali Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 18
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 18
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 16
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 9
- 238000005868 electrolysis reaction Methods 0.000 claims description 7
- 238000006386 neutralization reaction Methods 0.000 claims description 7
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- 239000000706 filtrate Substances 0.000 claims description 4
- 229910052602 gypsum Inorganic materials 0.000 claims description 4
- 239000010440 gypsum Substances 0.000 claims description 4
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 4
- 150000007513 acids Chemical class 0.000 claims description 3
- 238000002425 crystallisation Methods 0.000 claims description 3
- 230000008025 crystallization Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- 230000009089 cytolysis Effects 0.000 claims 1
- 150000002500 ions Chemical class 0.000 claims 1
- 235000010269 sulphur dioxide Nutrition 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 8
- 239000001110 calcium chloride Substances 0.000 description 7
- 229910001628 calcium chloride Inorganic materials 0.000 description 7
- 235000011148 calcium chloride Nutrition 0.000 description 7
- 239000001506 calcium phosphate Substances 0.000 description 5
- 235000011007 phosphoric acid Nutrition 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 229910000389 calcium phosphate Inorganic materials 0.000 description 3
- 235000011010 calcium phosphates Nutrition 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000019739 Dicalciumphosphate Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N chlorine dioxide Inorganic materials O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 235000019398 chlorine dioxide Nutrition 0.000 description 2
- NEFBYIFKOOEVPA-UHFFFAOYSA-K dicalcium phosphate Chemical compound [Ca+2].[Ca+2].[O-]P([O-])([O-])=O NEFBYIFKOOEVPA-UHFFFAOYSA-K 0.000 description 2
- 229910000390 dicalcium phosphate Inorganic materials 0.000 description 2
- 229940038472 dicalcium phosphate Drugs 0.000 description 2
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 2
- 229910000397 disodium phosphate Inorganic materials 0.000 description 2
- 235000019800 disodium phosphate Nutrition 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000001488 sodium phosphate Substances 0.000 description 2
- 229910003556 H2 SO4 Inorganic materials 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 229910001467 sodium calcium phosphate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 235000011008 sodium phosphates Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 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
- C01B25/32—Phosphates of magnesium, calcium, strontium, or barium
- C01B25/324—Preparation from a reaction solution obtained by acidifying with an acid other than orthophosphoric acid
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B11/00—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
- C05B11/04—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid
- C05B11/08—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid using sulfuric acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE449678A true BE449678A (enrdf_load_stackoverflow) |
Family
ID=104947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE449678D BE449678A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE449678A (enrdf_load_stackoverflow) |
-
0
- BE BE449678D patent/BE449678A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20150183731A1 (en) | Cyclic process for the production of taurine from monoethanolamine | |
| CA1248733A (fr) | Procede de fabrication de chlorosulfates basiques d'aluminium | |
| US11254639B1 (en) | Cyclic process for producing taurine from monoethanolamine | |
| CN113200878B (zh) | 乙醇胺生产牛磺酸的循环方法 | |
| FR2652076A1 (fr) | Procede de recuperation des valeurs de terres rares dans les gypses. | |
| EP0266281B1 (fr) | Procédé de préparation d'iodure de trifluorométhyle | |
| WO2011054364A1 (en) | Process for preparing a mixed salt of glucosamine sulfate and a alkali metal chloride | |
| CN113214095A (zh) | 乙醇胺生产牛磺酸的循环方法 | |
| BE449678A (enrdf_load_stackoverflow) | ||
| KR19990035905A (ko) | 엔-포스포노메틸글리신의 제조방법 | |
| KR20110013420A (ko) | 2,4,6-트리머캅토-ｓ-트리아진의 3나트륨 염을 제조하는 방법 | |
| US7056450B2 (en) | Highly concentrated aqueous solutions of N,N-dialkyl-glycines and process for preparation thereof | |
| JP3407336B2 (ja) | アミノエタンスルホン酸類の精製方法 | |
| FR2622212A1 (fr) | Procede de production d'un chlorate de metal alcalin | |
| KR20010089864A (ko) | 금속철과 이산화망간을 이용하여 황산망간 및 황산철을제조하는 방법 | |
| JP4083526B2 (ja) | 高濃度ｎ，ｎ−ジアルキルグリシン水溶液およびその製造方法 | |
| FR3154992A1 (fr) | Procédé de valorisation d’une saumure issue d’une usine de dessalement. | |
| SU352881A1 (ru) | СПОСОБ ОЧИСТКИ а-КЕТОГЛУТАРОВОЙ КИСЛОТЫ | |
| US2782232A (en) | Production of gentisates | |
| WO2025101052A1 (fr) | Procédé de préparation de bitartrate de potassium par traitement d' une saumure | |
| CA1046525A (en) | Process for recovering glycine from sodium chloride solutions | |
| BE740307A (en) | Prepn of k/mg mixed phosphate hydrate | |
| BE540259A (enrdf_load_stackoverflow) | ||
| FR2492371A1 (fr) | Procede pour la recuperation de l'acide omega-amino-dodecanoique a partir des liqueurs-meres de cristallisation et acide obtenu | |
| BE367667A (enrdf_load_stackoverflow) |