MA35044B1 - PREVENTING OR REDUCING SCALE FORMATION IN THE PRODUCTION OF PHOSPHORIC ACID IN A WET PROCESS - Google Patents

PREVENTING OR REDUCING SCALE FORMATION IN THE PRODUCTION OF PHOSPHORIC ACID IN A WET PROCESS

Info

Publication number
MA35044B1
MA35044B1 MA36335A MA36335A MA35044B1 MA 35044 B1 MA35044 B1 MA 35044B1 MA 36335 A MA36335 A MA 36335A MA 36335 A MA36335 A MA 36335A MA 35044 B1 MA35044 B1 MA 35044B1
Authority
MA
Morocco
Prior art keywords
phosphoric acid
preventing
scale formation
production
wet process
Prior art date
Application number
MA36335A
Other languages
French (fr)
Inventor
Sathanjheri Ravishankar
Bing Wang
Original Assignee
Cytec Tech Corp
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 Cytec Tech Corp filed Critical Cytec Tech Corp
Publication of MA35044B1 publication Critical patent/MA35044B1/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
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F14/00—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes
    • C23F14/02—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes by chemical means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Detergent Compositions (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Silicon Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Fuel Cell (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Removal Of Specific Substances (AREA)

Abstract

La présente invention concerne des procédés de prévention ou de réduction de la formation de tartre dans un procédé de production d'acide phosphorique humide en mélangeant un réactif d'inhibition du tartre dans une ou plusieurs des étapes de la production d'acide phosphorique dans une quantité suffisante pour prévenir ou réduire la formation de tartre.The present invention relates to methods for preventing or reducing scale formation in a process for producing wet phosphoric acid by mixing a scale inhibiting reagent in one or more of the steps of producing phosphoric acid in a process. sufficient to prevent or reduce scale formation.

MA36335A 2011-03-22 2011-03-22 PREVENTING OR REDUCING SCALE FORMATION IN THE PRODUCTION OF PHOSPHORIC ACID IN A WET PROCESS MA35044B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2011/029319 WO2012128755A1 (en) 2011-03-22 2011-03-22 Preventing or reducing scale in wet-process phosphoric acid production

Publications (1)

Publication Number Publication Date
MA35044B1 true MA35044B1 (en) 2014-04-03

Family

ID=44279691

Family Applications (1)

Application Number Title Priority Date Filing Date
MA36335A MA35044B1 (en) 2011-03-22 2011-03-22 PREVENTING OR REDUCING SCALE FORMATION IN THE PRODUCTION OF PHOSPHORIC ACID IN A WET PROCESS

Country Status (12)

Country Link
EP (1) EP2688837A1 (en)
CN (1) CN103429528B (en)
AP (1) AP2013007112A0 (en)
AU (1) AU2011363047A1 (en)
BR (1) BR112013024257A2 (en)
CA (1) CA2830875A1 (en)
EA (1) EA025200B1 (en)
IL (1) IL228352A0 (en)
MA (1) MA35044B1 (en)
MX (1) MX358775B (en)
TN (1) TN2013000369A1 (en)
WO (1) WO2012128755A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9028787B2 (en) 2009-09-25 2015-05-12 Cytec Technology Corp. Preventing or reducing scale in wet-process phosphoric acid production
RS61343B1 (en) 2014-02-11 2021-02-26 Cytec Ind Inc Primary amine-containing polymers useful as scale inhibitors
TN2017000351A1 (en) 2015-02-11 2019-01-16 Cytec Ind Inc Modified amines useful as scale inhibitors in wet process phosphoric acid production
EA026955B1 (en) * 2015-03-16 2017-06-30 Общество с ограниченной ответственностью "ФАРМА-ПОКРОВ" Disinfecting composition
SG11201901465RA (en) 2016-08-25 2019-03-28 Gen Electric Reduced fouling of hydrocarbon oil
CN107043094A (en) * 2017-04-18 2017-08-15 云南佳贝节能科技有限公司 A kind of system of processing of concentrated phosphoric acid
US10759662B2 (en) 2018-03-12 2020-09-01 Solenis Technologies, L.P. Systems and methods for reducing formation of scale in phosphoric acid production
CN111215247B (en) * 2020-01-07 2021-04-23 中南大学 Inhibitor for high-calcium fluorite direct flotation and flotation method
CN112919650B (en) * 2021-01-21 2023-05-02 山东滨州昱诚化工科技有限公司 Scale and corrosion inhibitor, composition for scale and corrosion inhibitor, and preparation method and application of composition

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4049774A (en) * 1970-11-12 1977-09-20 Fisons Limited Process for reducing formation of gypsum scale durng the washing of calcium sulphate hemihydrate crystals
GB1433123A (en) * 1972-05-05 1976-04-22 Fisons Ltd Process for inhibiting scale
US4221769A (en) * 1972-11-08 1980-09-09 Fisons Limited Process for preventing the formation of calcium sulphate scale
US4327061A (en) * 1979-02-21 1982-04-27 Kerr-Mcgee Chemical Corporation Method of stabilizing wet process phosphoric acid for solvent extraction
DE3039187C2 (en) 1980-10-17 1982-12-23 Hoechst Ag, 6000 Frankfurt Use of smoothed pipes and apparatus parts
CA1337323C (en) 1986-12-08 1995-10-17 Zahid Amjad Treatment of aqueous medium with copolymers containing acrylamidoalkane sulfonic acid
US5120519A (en) 1991-11-04 1992-06-09 Nalco Chemical Company Scale control in phosphoric acid manufacture
CN1082515A (en) * 1992-09-30 1994-02-23 河南省南阳高新节能技术有限公司 Natural plant and mineral type boiler scale cleaning agent
EP0677485A1 (en) 1994-03-22 1995-10-18 Faborga S.A. Means for preventing deposit formation in industrial process waters
JP2002263690A (en) 2001-03-07 2002-09-17 Kurita Water Ind Ltd Preventing agent against deposition of scale and method for preventing deposition of scale
US6572789B1 (en) * 2001-04-02 2003-06-03 Ondeo Nalco Company Corrosion inhibitors for aqueous systems
GB2424876B (en) 2005-04-06 2011-03-23 Rhodia Uk Ltd Improved analysis of polymeric scale inhibitors
US7727945B2 (en) * 2005-07-15 2010-06-01 Akzo Nobel N.V. Modified polysaccharides
US7666963B2 (en) * 2005-07-21 2010-02-23 Akzo Nobel N.V. Hybrid copolymers
CN100431985C (en) * 2005-08-31 2008-11-12 刘天暘 Scale inhibitor for wet method phosphoric acid manufacture
US8674021B2 (en) * 2006-07-21 2014-03-18 Akzo Nobel N.V. Sulfonated graft copolymers
CN101565242B (en) * 2008-04-23 2011-09-07 北京合创同盛科技有限公司 Compound synergic water treating agent
EA028289B1 (en) * 2009-09-25 2017-10-31 Сайтек Текнолоджи Корп. Preventing or reducing scale in wet-process phosphoric acid production
EA033322B1 (en) * 2009-09-25 2019-09-30 Сайтек Текнолоджи Корп. Method for reducing or preventing the formation of scale in a wet-process phosphoric acid production process
CN101759302A (en) * 2009-11-17 2010-06-30 瓮福（集团）有限责任公司 Method for preventing scaling in pipeline of phosphoric acid production equipment

Also Published As

Publication number Publication date
EA201391360A1 (en) 2014-01-30
CN103429528B (en) 2016-08-10
CN103429528A (en) 2013-12-04
BR112013024257A2 (en) 2016-12-27
MX358775B (en) 2018-09-04
MX2013010468A (en) 2013-10-28
CA2830875A1 (en) 2012-09-27
WO2012128755A1 (en) 2012-09-27
AU2011363047A1 (en) 2013-09-26
AP2013007112A0 (en) 2013-09-30
TN2013000369A1 (en) 2015-01-20
EP2688837A1 (en) 2014-01-29
EA025200B1 (en) 2016-11-30
IL228352A0 (en) 2013-12-31

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