MA23169A1 - Systeme de controle pour procede chimique specialement une installation d'acide phosphorique en procede humide . - Google Patents
Systeme de controle pour procede chimique specialement une installation d'acide phosphorique en procede humide .Info
- Publication number
- MA23169A1 MA23169A1 MA23475A MA23475A MA23169A1 MA 23169 A1 MA23169 A1 MA 23169A1 MA 23475 A MA23475 A MA 23475A MA 23475 A MA23475 A MA 23475A MA 23169 A1 MA23169 A1 MA 23169A1
- Authority
- MA
- Morocco
- Prior art keywords
- phosphoric acid
- control system
- wet process
- chemical process
- acid system
- Prior art date
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 title 1
- 238000001311 chemical methods and process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 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
- C01B25/18—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/29—Filters with filtering elements which move during the filtering operation the movement of the filter elements being a combination of movements
- B01D33/327—Tipping buckets, trays or like sections
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/049,383 US5395603A (en) | 1993-04-21 | 1993-04-21 | Automatic control system for a chemical process, especially a wet process phosphoric acid plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MA23169A1 true MA23169A1 (fr) | 1994-12-31 |
Family
ID=21959527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MA23475A MA23169A1 (fr) | 1993-04-21 | 1994-04-20 | Systeme de controle pour procede chimique specialement une installation d'acide phosphorique en procede humide . |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5395603A (fr) |
| AU (1) | AU6703794A (fr) |
| IL (1) | IL109343A (fr) |
| MA (1) | MA23169A1 (fr) |
| TN (1) | TNSN94034A1 (fr) |
| WO (1) | WO1994024046A1 (fr) |
| ZA (1) | ZA942762B (fr) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999015255A1 (fr) * | 1997-09-19 | 1999-04-01 | Baker Hughes Incorporated | Procede et dispositif servant a effectuer le controle, la commande et la mise en service de filtres rotatifs a tambour |
| US7660648B2 (en) * | 2007-01-10 | 2010-02-09 | Halliburton Energy Services, Inc. | Methods for self-balancing control of mixing and pumping |
| CN105008273A (zh) * | 2013-03-08 | 2015-10-28 | 美盛有限公司 | 通过两阶段结晶工艺进行的磷酸生产 |
| CN110872106A (zh) * | 2018-08-31 | 2020-03-10 | 贵州芭田生态工程有限公司 | 一种各环节处理速度均衡的磷矿制备系统 |
| US11206265B2 (en) | 2019-04-30 | 2021-12-21 | Infoblox Inc. | Smart whitelisting for DNS security |
| US11333539B2 (en) * | 2019-11-22 | 2022-05-17 | Inv_Disp_V01, Llc | Flow rate metering device |
| US12194427B2 (en) * | 2020-11-19 | 2025-01-14 | Inv_Disp_V01, Llc | Flow rate metering device |
| CN114028864B (zh) * | 2021-11-17 | 2023-06-23 | 中冶长天国际工程有限责任公司 | 一种高盐固废一体化水洗设备及其控制方法 |
| BE1032259B1 (fr) * | 2023-12-21 | 2025-07-23 | Prayon | Procédé de détermination de la faisabilité de production d'un produit à base de phosphore au départ d'une source phosphatée |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3086849A (en) * | 1951-12-20 | 1963-04-23 | Lubrizol Corp | Apparatus for carrying out chemical process |
| US3104946A (en) * | 1959-12-28 | 1963-09-24 | Phillips Petroleum Co | Manufacture of wet process phosphoric acid |
| US3130187A (en) * | 1960-07-11 | 1964-04-21 | Phillips Petroleum Co | Automatic process control method and apparatus |
| US3309507A (en) * | 1963-01-17 | 1967-03-14 | North American Aviation Inc | Optimal controller computer |
| DE1224706B (de) * | 1964-04-16 | 1966-09-15 | Metallgesellschaft Ag | Verfahren und Vorrichtung zur Regelung des Betriebs von Bandfiltern |
| GB1182786A (en) * | 1966-11-18 | 1970-03-04 | Ici Ltd | Control or Alarm Method and Apparatus. |
| SU597632A1 (ru) * | 1974-12-19 | 1978-03-15 | Московское Пуско-Наладочное Управление, Специализированное | Способ автоматического регулировани процесса подготовки разбавленной серной кислоты |
| DE2652766A1 (de) * | 1976-03-09 | 1977-09-22 | Robert Dr Michel | Verfahren zur herstellung von phosphorsaeure aus phosphatgestein |
| US4188366A (en) * | 1977-11-18 | 1980-02-12 | Societe De Prayon | Manufacture of phosphoric acid |
| US4226714A (en) * | 1978-12-27 | 1980-10-07 | The Anaconda Company | Thickener control system |
| SU764702A1 (ru) * | 1979-01-17 | 1980-09-23 | Киевский Институт Автоматики Им. Хху Съезда Кпсс | Устройство дл автоматического управлени блоком барабанных фильтров |
| GB2059277B (en) * | 1979-09-25 | 1983-02-16 | Coal Industry Patents Ltd | Controlling the treatment of mixtures comprising solid and liquid |
| US4402923A (en) * | 1980-10-20 | 1983-09-06 | Davy Mckee Corporation | Process for making phosphoric acid |
| US4332590A (en) * | 1981-02-20 | 1982-06-01 | Phillips Petroleum Company | Reactor control |
| US4485078A (en) * | 1982-03-16 | 1984-11-27 | Agrico Chemical Company | Process for producing wet process phosphoric acid from phosphate rocks containing fluochlorapatite and related minerals |
| US4543637A (en) * | 1982-07-16 | 1985-09-24 | Phillips Petroleum Company | Generation of a set point for process control |
| SU1112025A1 (ru) * | 1982-12-28 | 1984-09-07 | Государственный Всесоюзный Центральный Ордена Трудового Красного Знамени Научно-Исследовательский Институт Комплексной Автоматизации | Способ управлени процессом нейтрализации экстракционной фосфорной кислоты газообразным аммиаком в реакторе |
| US4616308A (en) * | 1983-11-15 | 1986-10-07 | Shell Oil Company | Dynamic process control |
| US4501724A (en) * | 1984-02-01 | 1985-02-26 | Goers Associates Inc. | Method for the wet process manufacture of phosphoric acid |
| EP0181029B1 (fr) * | 1984-11-05 | 1991-06-12 | Prayon Développement Société anonyme | Procédé continu de préparation d'acide phosphorique et de sulfate de calcium |
| SU1411276A1 (ru) * | 1985-10-17 | 1988-07-23 | Предприятие П/Я А-1846 | Способ автоматического управлени производством экстракционной фосфорной кислоты |
| JPS6435509A (en) * | 1987-07-31 | 1989-02-06 | Sumitomo Electric Industries | Guide pin holder for optical connector |
-
1993
- 1993-04-21 US US08/049,383 patent/US5395603A/en not_active Expired - Lifetime
-
1994
- 1994-04-18 IL IL10934394A patent/IL109343A/en not_active IP Right Cessation
- 1994-04-20 WO PCT/US1994/004057 patent/WO1994024046A1/fr not_active Ceased
- 1994-04-20 MA MA23475A patent/MA23169A1/fr unknown
- 1994-04-20 AU AU67037/94A patent/AU6703794A/en not_active Abandoned
- 1994-04-21 TN TNTNSN94034A patent/TNSN94034A1/fr unknown
- 1994-04-21 ZA ZA942762A patent/ZA942762B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU6703794A (en) | 1994-11-08 |
| IL109343A0 (en) | 1994-07-31 |
| IL109343A (en) | 1996-11-14 |
| WO1994024046A1 (fr) | 1994-10-27 |
| TNSN94034A1 (fr) | 1995-04-25 |
| ZA942762B (en) | 1995-01-09 |
| US5395603A (en) | 1995-03-07 |
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