NO774454L - Fremgangsmaate til oppkonsentrering av fortynnet fosforsyre - Google Patents
Fremgangsmaate til oppkonsentrering av fortynnet fosforsyreInfo
- Publication number
- NO774454L NO774454L NO774454A NO774454A NO774454L NO 774454 L NO774454 L NO 774454L NO 774454 A NO774454 A NO 774454A NO 774454 A NO774454 A NO 774454A NO 774454 L NO774454 L NO 774454L
- Authority
- NO
- Norway
- Prior art keywords
- stage
- acid
- concentration
- absorption
- sump
- Prior art date
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims description 76
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims description 38
- 238000000034 method Methods 0.000 title claims description 17
- 239000007789 gas Substances 0.000 claims description 102
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 88
- 238000010521 absorption reaction Methods 0.000 claims description 56
- 239000003054 catalyst Substances 0.000 claims description 47
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 38
- 239000002253 acid Substances 0.000 claims description 35
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 239000006096 absorbing agent Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 150000002222 fluorine compounds Chemical class 0.000 claims description 9
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052731 fluorine Inorganic materials 0.000 claims description 6
- 239000011737 fluorine Substances 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims 1
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- IZGYIFFQBZWOLJ-CKAACLRMSA-N phaseic acid Chemical compound C1C(=O)C[C@@]2(C)OC[C@]1(C)[C@@]2(O)C=CC(/C)=C\C(O)=O IZGYIFFQBZWOLJ-CKAACLRMSA-N 0.000 description 2
- 235000021317 phosphate Nutrition 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 230000005501 phase interface Effects 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
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- MNTPMEHIQKUBIC-UHFFFAOYSA-N silicon;hydrofluoride Chemical compound F.[Si] MNTPMEHIQKUBIC-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000002918 waste heat 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
- C01B33/00—Silicon; Compounds thereof
- C01B33/08—Compounds containing halogen
- C01B33/10—Compounds containing silicon, fluorine, and other elements
- C01B33/103—Fluosilicic acid; Salts thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
- C01B17/76—Preparation by contact processes
- C01B17/765—Multi-stage SO3-conversion
- C01B17/7655—Multi-stage SO3-conversion with intermediate absorption
-
- 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
- C01B25/234—Purification; Stabilisation; Concentration
- C01B25/2343—Concentration concomitant with purification, e.g. elimination of fluorine
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
- Saccharide Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2700009A DE2700009C3 (de) | 1977-01-03 | 1977-01-03 | Verfahren zur Aufkonzentrierung von verdünnter Phosphorsäure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO774454L true NO774454L (no) | 1978-07-04 |
Family
ID=5998041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO774454A NO774454L (no) | 1977-01-03 | 1977-12-23 | Fremgangsmaate til oppkonsentrering av fortynnet fosforsyre |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS5385797A (sv) |
| AU (1) | AU513920B2 (sv) |
| BE (1) | BE862580A (sv) |
| BR (1) | BR7800006A (sv) |
| CA (1) | CA1085583A (sv) |
| DE (1) | DE2700009C3 (sv) |
| ES (1) | ES465669A1 (sv) |
| FI (1) | FI773907A (sv) |
| FR (1) | FR2376071A1 (sv) |
| GB (1) | GB1589945A (sv) |
| IT (1) | IT1090383B (sv) |
| NO (1) | NO774454L (sv) |
| PL (1) | PL203780A1 (sv) |
| SE (1) | SE7800045L (sv) |
| ZA (1) | ZA777069B (sv) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2824010A1 (de) * | 1978-06-01 | 1979-12-13 | Metallgesellschaft Ag | Verfahren zur aufkonzentrierung von verduennter phosphorsaeure |
| CA1146722A (en) * | 1981-04-10 | 1983-05-24 | Gordon M. Cameron | Energy recovery method and system for combined sulphuric and phosphoric acid manufacturing plant |
| DE3232446A1 (de) * | 1982-08-12 | 1984-02-16 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zur herstellung von schwefelsaeure |
| US4576813A (en) * | 1983-07-05 | 1986-03-18 | Monsanto Company | Heat recovery from concentrated sulfuric acid |
| US4670242A (en) * | 1984-11-09 | 1987-06-02 | Monsanto Company | Heat recovery from concentrated sulfuric acid |
| CN103523763B (zh) * | 2013-10-11 | 2017-04-05 | 徐州天正活性炭厂 | 一种快速浓缩稀磷酸的节能装置和方法 |
| CN104445118B (zh) * | 2014-12-01 | 2016-08-31 | 四川玖长科技有限公司 | 用于从窑法磷酸工艺的出窑烟气中制磷酸的工艺 |
| CN109941979A (zh) * | 2019-04-30 | 2019-06-28 | 舒爱桦 | 一种高效肥料磷酸制食品级磷酸的工艺 |
-
1977
- 1977-01-03 DE DE2700009A patent/DE2700009C3/de not_active Expired
- 1977-11-28 ZA ZA00777069A patent/ZA777069B/xx unknown
- 1977-12-13 GB GB51891/77A patent/GB1589945A/en not_active Expired
- 1977-12-13 AU AU31501/77A patent/AU513920B2/en not_active Expired
- 1977-12-21 FR FR7738599A patent/FR2376071A1/fr not_active Withdrawn
- 1977-12-22 FI FI773907A patent/FI773907A/fi not_active Application Discontinuation
- 1977-12-23 NO NO774454A patent/NO774454L/no unknown
- 1977-12-29 JP JP15861077A patent/JPS5385797A/ja active Pending
- 1977-12-29 IT IT31377/77A patent/IT1090383B/it active
- 1977-12-30 BE BE6046295A patent/BE862580A/xx unknown
- 1977-12-30 CA CA294,197A patent/CA1085583A/en not_active Expired
-
1978
- 1978-01-02 SE SE7800045A patent/SE7800045L/sv unknown
- 1978-01-02 BR BR7800006A patent/BR7800006A/pt unknown
- 1978-01-02 ES ES465669A patent/ES465669A1/es not_active Expired
- 1978-01-02 PL PL20378078A patent/PL203780A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1589945A (en) | 1981-05-20 |
| DE2700009A1 (de) | 1978-07-06 |
| DE2700009B2 (de) | 1979-03-29 |
| CA1085583A (en) | 1980-09-16 |
| ES465669A1 (es) | 1978-09-16 |
| ZA777069B (en) | 1978-09-27 |
| IT1090383B (it) | 1985-06-26 |
| BR7800006A (pt) | 1978-08-15 |
| AU513920B2 (en) | 1981-01-15 |
| DE2700009C3 (de) | 1979-11-15 |
| BE862580A (fr) | 1978-06-30 |
| PL203780A1 (pl) | 1978-08-14 |
| FR2376071A1 (fr) | 1978-07-28 |
| JPS5385797A (en) | 1978-07-28 |
| FI773907A (fi) | 1978-07-04 |
| SE7800045L (sv) | 1978-07-04 |
| AU3150177A (en) | 1979-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4029751A (en) | Process for producing sulfuric acid | |
| NO158612B (no) | Innretning for flytende arkpaalegging. | |
| DK166194B (da) | Fremgangsmaade og anlaeg til behandling af vaeske-gas-blandinger | |
| EP0030447A1 (en) | High pressure process for recovery of sulphur from gases | |
| NO774454L (no) | Fremgangsmaate til oppkonsentrering av fortynnet fosforsyre | |
| JPS5929521B2 (ja) | 精製塩酸の製造法 | |
| US2996359A (en) | Method for continuous manufacture of carbon monoxide | |
| US4062930A (en) | Method of production of anhydrous hydrogen fluoride | |
| JPS6011217A (ja) | 垂直塔中における四フツ化ケイ素ガスの連続的製造方法 | |
| US4046860A (en) | Ammonium fluoride process for defluorinating phosphoric acids and production of ammonium fluosilicate | |
| FI62002C (fi) | Foerfarande och anordning foer separering av kvicksilver ur svveldioxidhaltiga heta och fuktiga gaser | |
| US4140751A (en) | Process for pressure stripping of sulfur dioxide from buffered solutions | |
| US2368901A (en) | Ammonium sulphate production | |
| EP0460110B1 (en) | Process for the continuous recovery of hydrogen fluoride gas | |
| US2295587A (en) | Recovery of sulphur dioxide from gas mixtures | |
| US3273966A (en) | Purification of sulfur | |
| US3780166A (en) | Process of catalytically reacting so2 to form so3 and of producing sulfuric acid | |
| NO130765B (sv) | ||
| US3907973A (en) | Process for defluorinating phosphoric acids and production of ammonium fluosilicate and fluosilicic acid | |
| US3199952A (en) | Process for the production of high strength, high purity hydrofluoric acid | |
| US2399013A (en) | Process for the recovery of sulphur dioxide from gas mixtures | |
| JPH06319955A (ja) | 燃焼設備からの、窒素および硫黄の酸化物を含有する煙道ガスを浄化する方法 | |
| Fleming et al. | High Purity Sulfur from Smelter Gases | |
| US2377642A (en) | Manufacture of chlorosulphonic acid | |
| RU2692719C1 (ru) | Способ очистки технологических конденсатов с использованием промежуточной емкости |