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MX9206466A - Sistema de control automatico para tanque de ataque y filtro de fosacido - Google Patents

Sistema de control automatico para tanque de ataque y filtro de fosacido

Info

Publication number
MX9206466A
MX9206466A MX9206466A MX9206466A MX9206466A MX 9206466 A MX9206466 A MX 9206466A MX 9206466 A MX9206466 A MX 9206466A MX 9206466 A MX9206466 A MX 9206466A MX 9206466 A MX9206466 A MX 9206466A
Authority
MX
Mexico
Prior art keywords
filter
phosphoric acid
phoscide
control system
automatic control
Prior art date
Application number
MX9206466A
Other languages
English (en)
Inventor
Stephen W Hilakos
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 MX9206466A publication Critical patent/MX9206466A/es

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Fodder In General (AREA)
  • Filtration Of Liquid (AREA)
  • Treating Waste Gases (AREA)

Abstract

Un método para controlar la concertación del producto de ácido fosfórico en un proceso de recuperación de ácido fosfórico continuo que comprende suministrar una corriente de alimentación constante de mena de fosfato a un tanque de ataque en donde la mena de fosfato somete al ataque mediante ácidos sulfúrico y fosfórico para producir una suspensión espesa que comprende una solución acuosa de ácido fosfórico y sulfato de calcio, filtrar la suspensión espesa para formar una torta de filtro acuosa de ácido fosfórico y sulfato de calcio.
MX9206466A 1991-11-13 1992-11-11 Sistema de control automatico para tanque de ataque y filtro de fosacido MX9206466A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/791,654 US5188812A (en) 1991-11-13 1991-11-13 Automatic control system for a phosacid attack tank and filter

Publications (1)

Publication Number Publication Date
MX9206466A true MX9206466A (es) 1993-10-01

Family

ID=25154370

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9206466A MX9206466A (es) 1991-11-13 1992-11-11 Sistema de control automatico para tanque de ataque y filtro de fosacido

Country Status (11)

Country Link
US (1) US5188812A (es)
EP (1) EP0612304A4 (es)
JP (1) JPH07501041A (es)
AU (1) AU655565B2 (es)
BR (1) BR9206750A (es)
CA (1) CA2123299A1 (es)
MA (1) MA22711A1 (es)
MX (1) MX9206466A (es)
TN (1) TNSN92103A1 (es)
WO (1) WO1993010040A1 (es)
ZA (1) ZA928559B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7567856B2 (en) * 2005-12-30 2009-07-28 Halliburton Energy Services, Inc. Methods for determining a volumetric ratio of a material to the total materials in a mixing vessel
US7561943B2 (en) * 2005-12-30 2009-07-14 Halliburton Energy Services, Inc. Methods for volumetrically controlling a mixing apparatus
CN103894095A (zh) * 2014-03-21 2014-07-02 湖北柳树沟化工科技有限公司 一种调配磷酸浓度的方法及其曝气储罐
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 (13)

* 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
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
GB2059277B (en) * 1979-09-25 1983-02-16 Coal Industry Patents Ltd Controlling the treatment of mixtures comprising solid and liquid
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
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

Also Published As

Publication number Publication date
TNSN92103A1 (fr) 1993-06-08
BR9206750A (pt) 1995-03-01
EP0612304A4 (en) 1995-11-15
MA22711A1 (fr) 1993-07-01
EP0612304A1 (en) 1994-08-31
AU655565B2 (en) 1994-12-22
ZA928559B (en) 1993-05-05
JPH07501041A (ja) 1995-02-02
CA2123299A1 (en) 1993-05-27
AU2932492A (en) 1993-06-15
WO1993010040A1 (en) 1993-05-27
US5188812A (en) 1993-02-23

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Legal Events

Date Code Title Description
FG Grant or registration
MM Annulment or lapse due to non-payment of fees