MA35044B1 - Prévention ou réduction de la formation de tartre dans la production d'acide phosphorique dans un procédé humide - Google Patents

Prévention ou réduction de la formation de tartre dans la production d'acide phosphorique dans un procédé humide

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
English (en)
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/fr

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)
  • Metallurgy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Detergent Compositions (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Removal Of Specific Substances (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Fuel Cell (AREA)
  • Silicon Compounds (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
MA36335A 2011-03-22 2011-03-22 Prévention ou réduction de la formation de tartre dans la production d'acide phosphorique dans un procédé humide MA35044B1 (fr)

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 (fr) 2014-04-03

Family

ID=44279691

Family Applications (1)

Application Number Title Priority Date Filing Date
MA36335A MA35044B1 (fr) 2011-03-22 2011-03-22 Prévention ou réduction de la formation de tartre dans la production d'acide phosphorique dans un procédé humide

Country Status (12)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9242863B2 (en) 2009-09-25 2016-01-26 Cytec Technology Corp. Process and reagents for the inhibition or reduction of scale formation during phosphoric acid production
EA201891738A1 (ru) * 2014-02-11 2019-01-31 Сайтек Индастриз Инк. Полимеры, содержащие первичный амин, подходящие в качестве ингибиторов накипеобразования
BR112017017209B1 (pt) 2015-02-11 2023-02-14 Cytec Industries Inc Processo para inibir incrustação
EA026955B1 (ru) * 2015-03-16 2017-06-30 Общество с ограниченной ответственностью "ФАРМА-ПОКРОВ" Дезинфицирующая композиция
EP3504300A1 (en) 2016-08-25 2019-07-03 General Electric Company Reduced fouling of hydrocarbon oil
CN107043094A (zh) * 2017-04-18 2017-08-15 云南佳贝节能科技有限公司 一种浓缩磷酸的加工系统
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 (zh) * 2020-01-07 2021-04-23 中南大学 一种用于高钙萤石正浮选的抑制剂及浮选方法
CN112919650B (zh) * 2021-01-21 2023-05-02 山东滨州昱诚化工科技有限公司 一种阻垢缓蚀剂、阻垢缓蚀剂用组合物及其制备方法和应用

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 (de) 1980-10-17 1982-12-23 Hoechst Ag, 6000 Frankfurt Verwendung von geglätteten Rohrleitungen und Apparateteilen
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 (zh) * 1992-09-30 1994-02-23 河南省南阳高新节能技术有限公司 天然植物矿物型锅炉除垢防垢剂
EP0677485A1 (de) 1994-03-22 1995-10-18 Faborga S.A. Mittel zur Verhinderung von Ausscheidungen in Prozesswässern
JP2002263690A (ja) 2001-03-07 2002-09-17 Kurita Water Ind Ltd スケール付着防止剤及びスケール付着防止法
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 (zh) * 2005-08-31 2008-11-12 刘天暘 湿法磷酸生产用阻垢剂
US8674021B2 (en) * 2006-07-21 2014-03-18 Akzo Nobel N.V. Sulfonated graft copolymers
CN101565242B (zh) * 2008-04-23 2011-09-07 北京合创同盛科技有限公司 一种复配增效水处理剂
EP2990379B1 (en) * 2009-09-25 2019-05-08 Cytec Technology Corp. Process and reagents for the inhibition or reduction of scale formation during phosphoric acid production
PE20121419A1 (es) * 2009-09-25 2012-10-17 Cytec Tech Corp Prevencion o reduccion de incrustaciones en la produccion de acido fosforico por via humeda
CN101759302A (zh) * 2009-11-17 2010-06-30 瓮福（集团）有限责任公司 一种磷酸设备管道防结垢的方法

Also Published As

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

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