EA201790616A3 - Способ и реагенты для ингибирования или уменьшения образования отложений на стенках трубопроводов во время получения фосфорной кислоты - Google Patents

Способ и реагенты для ингибирования или уменьшения образования отложений на стенках трубопроводов во время получения фосфорной кислоты

Info

Publication number
EA201790616A3
EA201790616A3 EA201790616A EA201790616A EA201790616A3 EA 201790616 A3 EA201790616 A3 EA 201790616A3 EA 201790616 A EA201790616 A EA 201790616A EA 201790616 A EA201790616 A EA 201790616A EA 201790616 A3 EA201790616 A3 EA 201790616A3
Authority
EA
Eurasian Patent Office
Prior art keywords
deposits
inhibiting
walls
formation
phosphoric acid
Prior art date
Application number
EA201790616A
Other languages
English (en)
Other versions
EA201790616A2 (ru
EA033322B1 (ru
Inventor
Сатханджхери Равишанкар
Бин Ван
Original Assignee
Сайтек Текнолоджи Корп.
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 Сайтек Текнолоджи Корп. filed Critical Сайтек Текнолоджи Корп.
Publication of EA201790616A2 publication Critical patent/EA201790616A2/ru
Publication of EA201790616A3 publication Critical patent/EA201790616A3/ru
Publication of EA033322B1 publication Critical patent/EA033322B1/ru

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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Detergent Compositions (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Cephalosporin Compounds (AREA)
  • Cleaning In General (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)

Abstract

Предусматриваются способы и реагенты для ингибирования или устранения образования отложений на стенках трубопроводов в течение мокрого способа получения фосфорной кислоты, и они включают добавление в мокрый способ получения фосфорной кислоты потока некоторого ингибирующего образование отложений на стенках трубопроводов количества реагента, имеющего алифатическое или ароматическое соединение, содержащее по меньшей мере две гидрокси группы и по меньшей мере один амин.
EA201790616A 2009-09-25 2010-09-23 Способ уменьшения или устранения образования отложений в течение мокрого способа получения фосфорной кислоты EA033322B1 (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24574609P 2009-09-25 2009-09-25

Publications (3)

Publication Number Publication Date
EA201790616A2 EA201790616A2 (ru) 2017-11-30
EA201790616A3 true EA201790616A3 (ru) 2018-02-28
EA033322B1 EA033322B1 (ru) 2019-09-30

Family

ID=43447345

Family Applications (2)

Application Number Title Priority Date Filing Date
EA201270463A EA027667B1 (ru) 2009-09-25 2010-09-23 Способ ингибирования или уменьшения образования отложений во время получения фосфорной кислоты
EA201790616A EA033322B1 (ru) 2009-09-25 2010-09-23 Способ уменьшения или устранения образования отложений в течение мокрого способа получения фосфорной кислоты

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EA201270463A EA027667B1 (ru) 2009-09-25 2010-09-23 Способ ингибирования или уменьшения образования отложений во время получения фосфорной кислоты

Country Status (20)

Country Link
EP (2) EP2990379B1 (ru)
CN (2) CN104030260B (ru)
AP (1) AP3575A (ru)
AR (2) AR078449A1 (ru)
AU (1) AU2010298208B2 (ru)
BR (2) BR122019000367B1 (ru)
CA (2) CA2978291C (ru)
EA (2) EA027667B1 (ru)
IL (1) IL218758B (ru)
JO (1) JO3191B1 (ru)
LT (2) LT2990379T (ru)
MA (1) MA33689B1 (ru)
MX (1) MX344050B (ru)
PE (2) PE20170495A1 (ru)
PL (1) PL2990379T3 (ru)
SA (1) SA110310713B1 (ru)
TN (1) TN2012000131A1 (ru)
UA (2) UA113796C2 (ru)
WO (1) WO2011038108A1 (ru)
ZA (2) ZA201202052B (ru)

Families Citing this family (8)

* 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
US8900539B2 (en) 2011-03-22 2014-12-02 Cytec Technology Corp. Preventing or reducing scale in wet-process phosphoric acid production
EA025200B1 (ru) * 2011-03-22 2016-11-30 Сайтек Текнолоджи Корп. Профилактика или снижение накипи в производстве экстракционной фосфорной кислоты
US9186180B2 (en) 2013-03-08 2015-11-17 Stryker Trauma Sa Rose gear for external fixation clamp
WO2015123294A1 (en) 2014-02-11 2015-08-20 Cytec Industries Inc. Primary amine-containing polymers useful as scale inhibitors
AU2016219182B2 (en) * 2015-02-11 2020-05-21 Cytec Industries Inc. Modified amines useful as scale inhibitors in wet process phosphoric acid production
US10759662B2 (en) 2018-03-12 2020-09-01 Solenis Technologies, L.P. Systems and methods for reducing formation of scale in phosphoric acid production
CN108862223A (zh) * 2018-09-07 2018-11-23 云南云天化股份有限公司 一种有效延长磷酸浓缩系统设备清洗周期的方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA904171A (en) * 1972-07-04 The Dow Chemical Company Inhibition of adherent scale accumulations
US3258428A (en) * 1960-08-04 1966-06-28 Petrolite Corp Scale prevention
US3251778A (en) * 1960-08-04 1966-05-17 Petrolite Corp Process of preventing scale
GB1406884A (en) * 1972-05-05 1975-09-17 Fisons Ltd Process for inhibiting scale formation
GB1451608A (en) * 1972-11-08 1976-10-06 Fisons Ltd Process for reducing calcium sulphate scale formation
US4221769A (en) * 1972-11-08 1980-09-09 Fisons Limited Process for preventing the formation of calcium sulphate scale
US3931038A (en) * 1973-07-31 1976-01-06 Nalco Chemical Company Scale and corrosion inhibition for cooling water systems
DE3039187C2 (de) 1980-10-17 1982-12-23 Hoechst Ag, 6000 Frankfurt Verwendung von geglätteten Rohrleitungen und Apparateteilen
FR2574065B1 (fr) * 1984-12-04 1987-05-07 Bouet Philippe Procede antitartre et agent antitartre pour sa mise en oeuvre
GB8506616D0 (en) * 1985-03-14 1985-04-17 British Petroleum Co Plc Scale inhibitors
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
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
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
CN100431985C (zh) * 2005-08-31 2008-11-12 刘天暘 湿法磷酸生产用阻垢剂
CN100513512C (zh) * 2007-07-31 2009-07-15 中国石油天然气股份有限公司 一种缓蚀阻垢清蜡降粘剂及其制备方法

Also Published As

Publication number Publication date
BR112012006674A2 (pt) 2016-05-03
EP2990379B1 (en) 2019-05-08
MA33689B1 (fr) 2012-10-01
JO3191B1 (ar) 2018-03-08
SA110310713B1 (ar) 2014-10-21
ZA201202052B (en) 2019-12-18
CA2978291C (en) 2019-04-30
IL218758A0 (en) 2012-06-28
IL218758B (en) 2018-05-31
LT2990379T (lt) 2019-08-26
AR078449A1 (es) 2011-11-09
AU2010298208A1 (en) 2012-04-19
EP2990379A1 (en) 2016-03-02
EA201270463A1 (ru) 2012-08-30
CA2775332A1 (en) 2011-03-31
AR110859A2 (es) 2019-05-08
UA110198C2 (en) 2015-12-10
CA2978291A1 (en) 2011-03-31
CA2775332C (en) 2018-05-01
CN104030260A (zh) 2014-09-10
EP2480495A1 (en) 2012-08-01
MX344050B (es) 2016-12-02
MX2012003474A (es) 2012-04-19
ZA201704541B (en) 2019-04-24
CN102574685B (zh) 2016-02-17
PE20121408A1 (es) 2012-10-17
PE20170495A1 (es) 2017-04-29
AU2010298208B2 (en) 2014-07-17
EA201790616A2 (ru) 2017-11-30
CN104030260B (zh) 2017-05-17
BR122019000367B1 (pt) 2023-10-17
EP2480495B1 (en) 2018-11-14
TN2012000131A1 (en) 2013-09-19
CN102574685A (zh) 2012-07-11
AP2012006173A0 (en) 2012-04-30
UA113796C2 (xx) 2017-03-10
EA033322B1 (ru) 2019-09-30
EA027667B1 (ru) 2017-08-31
PL2990379T3 (pl) 2019-10-31
AP3575A (en) 2016-02-08
LT2480495T (lt) 2019-08-26
WO2011038108A1 (en) 2011-03-31

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