IL109343A - Automatic control system for chemical process, especially for the production of phosphoric acid in wet process - Google Patents

Automatic control system for chemical process, especially for the production of phosphoric acid in wet process

Info

Publication number
IL109343A
IL109343A IL10934394A IL10934394A IL109343A IL 109343 A IL109343 A IL 109343A IL 10934394 A IL10934394 A IL 10934394A IL 10934394 A IL10934394 A IL 10934394A IL 109343 A IL109343 A IL 109343A
Authority
IL
Israel
Prior art keywords
attack tank
water
acid
rock
rate
Prior art date
Application number
IL10934394A
Other languages
English (en)
Hebrew (he)
Other versions
IL109343A0 (en
Original Assignee
Imc Fertilizer Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Imc Fertilizer Inc filed Critical Imc Fertilizer Inc
Publication of IL109343A0 publication Critical patent/IL109343A0/xx
Publication of IL109343A publication Critical patent/IL109343A/en

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
    • 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)
IL10934394A 1993-04-21 1994-04-18 Automatic control system for chemical process, especially for the production of phosphoric acid in wet process IL109343A (en)

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 (2)

Publication Number Publication Date
IL109343A0 IL109343A0 (en) 1994-07-31
IL109343A true IL109343A (en) 1996-11-14

Family

ID=21959527

Family Applications (1)

Application Number Title Priority Date Filing Date
IL10934394A IL109343A (en) 1993-04-21 1994-04-18 Automatic control system for chemical process, especially for the production of phosphoric acid in wet process

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
AU6703794A (en) 1994-11-08
IL109343A0 (en) 1994-07-31
WO1994024046A1 (fr) 1994-10-27
TNSN94034A1 (fr) 1995-04-25
ZA942762B (en) 1995-01-09
MA23169A1 (fr) 1994-12-31
US5395603A (en) 1995-03-07

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KB Patent renewed
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