ES465669A1 - Procedimiento para la concentracion de acido fosforico dilui-do. - Google Patents
Procedimiento para la concentracion de acido fosforico dilui-do.Info
- Publication number
- ES465669A1 ES465669A1 ES465669A ES465669A ES465669A1 ES 465669 A1 ES465669 A1 ES 465669A1 ES 465669 A ES465669 A ES 465669A ES 465669 A ES465669 A ES 465669A ES 465669 A1 ES465669 A1 ES 465669A1
- Authority
- ES
- Spain
- Prior art keywords
- phosphoric acid
- dilute phosphoric
- exhaust gas
- heated
- concentrating dilute
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
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)
Abstract
Procedimiento para la concentración de ácido fosfórico diluidoen que el ácido fosfórico diluido es calentado mediante intercambio de calor indirecto a una temperatura que está por debajo de su temperatura de ebulliciónel ácido fosfórico diluido calentado es rociado y es puesto en contacto directo con gases calientesse evacúan vapor de agua y compuestos fluorados en el gas de escapey se eliminan los compuestos fluorados del gas de escape.
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 |
---|---|
ES465669A1 true ES465669A1 (es) | 1978-09-16 |
Family
ID=5998041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES465669A Expired ES465669A1 (es) | 1977-01-03 | 1978-01-02 | Procedimiento para la concentracion de acido fosforico dilui-do. |
Country Status (15)
Country | Link |
---|---|
JP (1) | JPS5385797A (es) |
AU (1) | AU513920B2 (es) |
BE (1) | BE862580A (es) |
BR (1) | BR7800006A (es) |
CA (1) | CA1085583A (es) |
DE (1) | DE2700009C3 (es) |
ES (1) | ES465669A1 (es) |
FI (1) | FI773907A (es) |
FR (1) | FR2376071A1 (es) |
GB (1) | GB1589945A (es) |
IT (1) | IT1090383B (es) |
NO (1) | NO774454L (es) |
PL (1) | PL203780A1 (es) |
SE (1) | SE7800045L (es) |
ZA (1) | ZA777069B (es) |
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 IT IT31377/77A patent/IT1090383B/it active
- 1977-12-29 JP JP15861077A patent/JPS5385797A/ja active Pending
- 1977-12-30 CA CA294,197A patent/CA1085583A/en not_active Expired
- 1977-12-30 BE BE6046295A patent/BE862580A/xx unknown
-
1978
- 1978-01-02 PL PL20378078A patent/PL203780A1/xx unknown
- 1978-01-02 BR BR7800006A patent/BR7800006A/pt unknown
- 1978-01-02 SE SE7800045A patent/SE7800045L/xx unknown
- 1978-01-02 ES ES465669A patent/ES465669A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2700009A1 (de) | 1978-07-06 |
DE2700009B2 (de) | 1979-03-29 |
JPS5385797A (en) | 1978-07-28 |
PL203780A1 (pl) | 1978-08-14 |
ZA777069B (en) | 1978-09-27 |
BR7800006A (pt) | 1978-08-15 |
DE2700009C3 (de) | 1979-11-15 |
FR2376071A1 (fr) | 1978-07-28 |
AU513920B2 (en) | 1981-01-15 |
IT1090383B (it) | 1985-06-26 |
FI773907A (fi) | 1978-07-04 |
BE862580A (fr) | 1978-06-30 |
NO774454L (no) | 1978-07-04 |
CA1085583A (en) | 1980-09-16 |
GB1589945A (en) | 1981-05-20 |
SE7800045L (sv) | 1978-07-04 |
AU3150177A (en) | 1979-06-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES475554A1 (es) | Un procedimiento para la combustion de material de alimenta-cion combustible humedo,junto con un sistema correspondiente | |
ES465669A1 (es) | Procedimiento para la concentracion de acido fosforico dilui-do. | |
ES474349A1 (es) | Procedimiento para el enfriamiento rapido de gases craquea- dos | |
FR2376065A1 (fr) | Procede de transformation ulterieure de gaz de four a coke | |
JPS5515622A (en) | Exhaust gas pretreating method | |
JPS51111941A (en) | Utilization method of exhaust heat of heating furnace & heating furnac e structured to utilize exhaust heat | |
DK41179A (da) | Varmeveksler til koeling af under hoej tryk og hoej temperatur vaerende procesgasser | |
DK404977A (da) | Fremgangsmaade til fremstilling af varmegas ved katalytisk omsaetning af methanol med vanddamp | |
JPS53117842A (en) | Hot water supply instrument | |
JPS5413049A (en) | Double effects absorption freezer | |
SU547606A1 (ru) | Абсорбционна холодильна установка | |
JPS547662A (en) | Transfer cooling devie for hot solid matters | |
ES8702307A1 (es) | Un procedimiento de obtencion de trioxido de uranio de gran reactividad | |
JPS535203A (en) | Effective utilization of excess steam from coke dry quenching plant | |
SU545839A1 (ru) | Способ заправки фитильной тепловой трубы теплоносителем | |
GB1092662A (en) | Vaporizing urea for production of melamine | |
GB847984A (en) | Improvements in and relating to heat exchangers | |
JPS53125910A (en) | Temperture control method of outlet gas of reheating furnace for exhaust gas treatment equipment | |
JPS51134444A (en) | Direct heating face-like burner | |
GB2014292A (en) | Method of Cooling Process Gases which are at a High Pressure and High Temperature | |
JPS5239951A (en) | Heater of absorption type | |
ES291525A1 (es) | Un procedimiento para la transformacion catalitica de gases que contienen so2 en so3 y o acido sulfurico | |
JPS52150397A (en) | Preheating method of sulfuric acid production apparatus | |
JPS5372901A (en) | Cooling water circulating device of exhaust gas cooling system | |
JPS53145806A (en) | Production of highly purified coke oven gas |