SU327801A1 - - Google Patents
Info
- Publication number
- SU327801A1 SU327801A1 SU1291630A SU1291630A SU327801A1 SU 327801 A1 SU327801 A1 SU 327801A1 SU 1291630 A SU1291630 A SU 1291630A SU 1291630 A SU1291630 A SU 1291630A SU 327801 A1 SU327801 A1 SU 327801A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- phosphoric acid
- reaction
- heating
- countercurrent
- ammonium bisulfite
- Prior art date
Links
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 14
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 5
- AOSFMYBATFLTAQ-UHFFFAOYSA-N 1-amino-3-(benzimidazol-1-yl)propan-2-ol Chemical compound C1=CC=C2N(CC(O)CN)C=NC2=C1 AOSFMYBATFLTAQ-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 239000004254 Ammonium phosphate Substances 0.000 description 2
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 2
- 235000019289 ammonium phosphates Nutrition 0.000 description 2
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002367 phosphate rock Substances 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical class OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Paper (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1291630A SU327801A1 (enrdf_load_stackoverflow) | 1968-12-20 | 1968-12-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1291630A SU327801A1 (enrdf_load_stackoverflow) | 1968-12-20 | 1968-12-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
SU327801A1 true SU327801A1 (enrdf_load_stackoverflow) | 1974-08-25 |
Family
ID=20444113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1291630A SU327801A1 (enrdf_load_stackoverflow) | 1968-12-20 | 1968-12-20 |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU327801A1 (enrdf_load_stackoverflow) |
-
1968
- 1968-12-20 SU SU1291630A patent/SU327801A1/ru active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SU327801A1 (enrdf_load_stackoverflow) | ||
US1971563A (en) | Process for manufacture of ammonium phosphates and other salts | |
GB785561A (en) | Regeneration of ammonia-sulphur dioxide cooking acid used in production of wood pulp | |
US2341887A (en) | Cooling of sulphur dioxide gases | |
US2281762A (en) | Process of producing sulphur trioxide and oxygen | |
US1865303A (en) | Production of nitrate of lime | |
US1638492A (en) | Method for the production of anhydrous sodium bisulphite | |
US2861878A (en) | Manufacture of complex fertilizers | |
US1246636A (en) | Method of treating phosphate-rock. | |
US2090936A (en) | Process for concentrating impure weak sulphuric acid | |
ATE25242T1 (de) | Verfahren zum phlegmatisieren von wasserunloeslichen peroxycarbonsaeuren. | |
US3421848A (en) | Process for the advantageous utilization of so2 and nh3 from the production of nitrogen and phosphatic fertilizers | |
US1758449A (en) | Ammonium-sulphate manufacture | |
US2014775A (en) | Process of preparing sulfite cooking liquor | |
GB339340A (en) | Improvements in and relating to the treatment of phosphate rock and the like | |
US2793935A (en) | Manufacture of sulfuric acid | |
GB356627A (en) | Method of leaching phosphate rock | |
US1360046A (en) | Method of making potassium carbonate | |
US2013313A (en) | Purification of gases | |
US1760990A (en) | Manufacture of concentrated fertilizer material | |
SU60405A1 (ru) | Способ получени суперфосфата | |
ES205545A1 (es) | UN PROCEDIMIENTO PERFECCIONADO PARA LA FABICACIoN INTENSIVA DE áCIDO SULFuRICO | |
SU213005A1 (enrdf_load_stackoverflow) | ||
US1518597A (en) | Manufacture and production of oxalic acid | |
GB353763A (en) | Improvements in and relating to the manufacture of fertilisers |