CA951871A - Manufacture of phosphoric acid - Google Patents
Manufacture of phosphoric acidInfo
- Publication number
- CA951871A CA951871A CA978,796A CA978796A CA951871A CA 951871 A CA951871 A CA 951871A CA 978796 A CA978796 A CA 978796A CA 951871 A CA951871 A CA 951871A
- Authority
- CA
- Canada
- Prior art keywords
- manufacture
- phosphoric acid
- phosphoric
- acid
- 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
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
- C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
- C01B25/223—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen only one form of calcium sulfate being formed
- C01B25/225—Dihydrate process
-
- 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
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
- C01B25/2204—Arrangements of vessels used in reacting phosphate-containing material in wet process
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Treatment Of Sludge (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
- Removal Of Specific Substances (AREA)
- Supercharger (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51822966A | 1966-01-03 | 1966-01-03 | |
| US54372366A | 1966-04-19 | 1966-04-19 | |
| US54364866A | 1966-04-19 | 1966-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA951871A true CA951871A (en) | 1974-07-30 |
Family
ID=27414689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA978,796A Expired CA951871A (en) | 1966-01-03 | 1966-12-23 | Manufacture of phosphoric acid |
Country Status (12)
| Country | Link |
|---|---|
| US (2) | US3522003A (nl) |
| JP (1) | JPS4942597B1 (nl) |
| BE (2) | BE692114A (nl) |
| CA (1) | CA951871A (nl) |
| DE (2) | DE1567654B2 (nl) |
| ES (4) | ES335165A1 (nl) |
| FI (1) | FI48059C (nl) |
| FR (2) | FR1506969A (nl) |
| GB (2) | GB1175421A (nl) |
| IL (1) | IL27083A (nl) |
| NL (3) | NL146460B (nl) |
| NO (2) | NO119312B (nl) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4140748A (en) * | 1976-07-07 | 1979-02-20 | Occidental Petroleum Corporation | Hemihydrate type phosphoric acid process with crystal modifier |
| US3939248A (en) * | 1964-06-22 | 1976-02-17 | Whiting Corporation | Process and apparatus for manufacturing phosphoric acid |
| CA923678A (en) * | 1969-08-25 | 1973-04-03 | Whiting Corporation | Phosphoric acid reactor and method |
| US3852040A (en) * | 1972-05-30 | 1974-12-03 | Bahco Ventilation Ab | Apparatus for removing undesirable substances from flue gas or the like |
| GB1557663A (en) * | 1975-08-01 | 1979-12-12 | Albright & Wilson | Process for preparing phosphore acid |
| US4196172A (en) * | 1976-07-07 | 1980-04-01 | Occidental Petroleum Corporation | Hemihydrate type phosphoric acid process |
| DE146443C (nl) * | 1976-07-07 | Occidental Petroleum Corp | ||
| LU78457A1 (fr) * | 1977-11-04 | 1979-06-13 | Prayon Soc | Procede de fabrication d'acide phosphorique |
| US4188366A (en) * | 1977-11-18 | 1980-02-12 | Societe De Prayon | Manufacture of phosphoric acid |
| US4258007A (en) * | 1978-01-05 | 1981-03-24 | Occidental Research Corporation | Feed system for phosphoric acid production with decreased foaming |
| EP0003266B1 (en) * | 1977-12-29 | 1983-03-30 | Occidental Petroleum Corporation | Apparatus for contacting solid particles with a liquid; apparatus and process for the production of phosphoric acid |
| US4258008A (en) * | 1978-01-05 | 1981-03-24 | Occidental Research Corporation | System for phosphoric acid production with decreased foaming |
| US4277448A (en) * | 1977-12-29 | 1981-07-07 | Occidental Petroleum Corporation | Phosphoric acid process with high circulation rates |
| US4220630A (en) * | 1978-01-04 | 1980-09-02 | Occidental Petroleum Corporation | Hemihydrate type process for phosphoric acid manufacture using additive to improve filterability |
| US4276270A (en) * | 1978-01-06 | 1981-06-30 | Occidental Research Corporation | Start-up procedure in producing phosphoric acid by the hemihydrate process |
| US4363786A (en) * | 1978-05-26 | 1982-12-14 | Occidental Chemical Corp. | Apparatus for reacting a particulate solid and a liquid |
| US4260584A (en) * | 1978-05-26 | 1981-04-07 | Occidental Petroleum Corporation | Apparatus useful for wet process phosphoric acid production |
| US5093088A (en) * | 1987-07-28 | 1992-03-03 | Potash Corporation Of Saskatchewan | Apparatus for producing phosphoric acid from phosphate ore |
| US5362460A (en) * | 1993-09-24 | 1994-11-08 | Science Ventures Inc. | Magnesium separation from dolomitic phosphate by sulfuric acid leaching |
| US20060196835A1 (en) * | 2003-01-31 | 2006-09-07 | Ebara Corporation | Method and apparatus for removing ions in liquid through crystallization method |
| JP4748584B2 (ja) * | 2003-01-31 | 2011-08-17 | 水ｉｎｇ株式会社 | 晶析法による液中イオンの除去方法及び装置 |
| CN103482594A (zh) * | 2013-09-12 | 2014-01-01 | 瓮福（集团）有限责任公司 | 一种降低湿法磷酸萃取槽硫酸钙过饱和度磷矿的加入方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2109347A (en) * | 1931-06-13 | 1938-02-22 | Solvay Process Co | Process and apparatus for the production of salts |
| US2897053A (en) * | 1954-02-26 | 1959-07-28 | Struthers Wells Corp | Wet process for phosphoric acid manufacture |
| BE538799A (nl) * | 1955-06-07 | 1955-06-30 | Union Chimique Belge Sa | |
| US2887362A (en) * | 1955-12-30 | 1959-05-19 | Phillips Petroleum Co | Manufacture of phosphoric acid |
| US3257168A (en) * | 1961-03-30 | 1966-06-21 | Singmaster & Breyer | Process for manufacture of phosphoric acid |
| US3416889A (en) * | 1964-06-22 | 1968-12-17 | Whiting Corp | Process and apparatus for manufacturing phosphoric acid |
-
1966
- 1966-04-19 US US543648A patent/US3522003A/en not_active Expired - Lifetime
- 1966-04-19 US US543723A patent/US3522004A/en not_active Expired - Lifetime
- 1966-12-19 IL IL27083A patent/IL27083A/xx unknown
- 1966-12-23 CA CA978,796A patent/CA951871A/en not_active Expired
- 1966-12-28 JP JP41085233A patent/JPS4942597B1/ja active Pending
- 1966-12-29 FR FR89425A patent/FR1506969A/fr not_active Expired
- 1966-12-29 FR FR89424A patent/FR1506968A/fr not_active Expired
- 1966-12-30 FI FI663494A patent/FI48059C/fi active
- 1966-12-30 NL NL666618461A patent/NL146460B/nl unknown
- 1966-12-30 DE DE1966L0055403 patent/DE1567654B2/de active Granted
- 1966-12-30 DE DE19661567653 patent/DE1567653A1/de active Pending
- 1966-12-30 NL NL6618462A patent/NL6618462A/xx unknown
-
1967
- 1967-01-02 GB GB029/67A patent/GB1175421A/en not_active Expired
- 1967-01-02 NO NO166226A patent/NO119312B/no unknown
- 1967-01-02 GB GB030/67A patent/GB1175422A/en not_active Expired
- 1967-01-02 ES ES335165A patent/ES335165A1/es not_active Expired
- 1967-01-02 NO NO166227A patent/NO122364B/no unknown
- 1967-01-02 ES ES335166A patent/ES335166A1/es not_active Expired
- 1967-01-03 BE BE692114D patent/BE692114A/xx unknown
- 1967-01-03 BE BE692113D patent/BE692113A/xx unknown
- 1967-11-30 ES ES347840A patent/ES347840A1/es not_active Expired
- 1967-12-01 ES ES347860A patent/ES347860A1/es not_active Expired
-
1973
- 1973-02-12 NL NL7301940A patent/NL7301940A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI48059B (nl) | 1974-02-28 |
| US3522004A (en) | 1970-07-28 |
| NL6618461A (nl) | 1967-07-04 |
| DE1567653A1 (de) | 1972-05-18 |
| BE692113A (nl) | 1967-06-16 |
| GB1175421A (en) | 1969-12-23 |
| ES347860A1 (es) | 1969-06-01 |
| NL6618462A (nl) | 1967-07-04 |
| GB1175422A (en) | 1969-12-23 |
| BE692114A (nl) | 1967-06-16 |
| FR1506968A (fr) | 1967-12-22 |
| ES335166A1 (es) | 1968-06-01 |
| FI48059C (fi) | 1974-06-10 |
| DE1567654A1 (de) | 1972-01-05 |
| IL27083A (en) | 1970-09-17 |
| NL7301940A (nl) | 1973-04-25 |
| FR1506969A (fr) | 1967-12-22 |
| DE1567654B2 (de) | 1976-07-01 |
| ES335165A1 (es) | 1968-06-16 |
| NO122364B (nl) | 1971-06-21 |
| US3522003A (en) | 1970-07-28 |
| ES347840A1 (es) | 1969-02-16 |
| NL146460B (nl) | 1975-07-15 |
| NO119312B (nl) | 1970-05-04 |
| JPS4942597B1 (nl) | 1974-11-15 |
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