EA028289B1 - Предотвращение или снижение образования твердых отложений в производстве фосфорной кислоты мокрым способом - Google Patents

Предотвращение или снижение образования твердых отложений в производстве фосфорной кислоты мокрым способом Download PDF

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Publication number
EA028289B1
EA028289B1 EA201270464A EA201270464A EA028289B1 EA 028289 B1 EA028289 B1 EA 028289B1 EA 201270464 A EA201270464 A EA 201270464A EA 201270464 A EA201270464 A EA 201270464A EA 028289 B1 EA028289 B1 EA 028289B1
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EA
Eurasian Patent Office
Prior art keywords
acid
reagent
phosphoric acid
solid deposits
stages
Prior art date
Application number
EA201270464A
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English (en)
Russian (ru)
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EA201270464A1 (ru
Inventor
Сатханджхери Равишанкар
Бин Ван
Original Assignee
Сайтек Текнолоджи Корп.
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Application filed by Сайтек Текнолоджи Корп. filed Critical Сайтек Текнолоджи Корп.
Publication of EA201270464A1 publication Critical patent/EA201270464A1/ru
Publication of EA028289B1 publication Critical patent/EA028289B1/ru

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/20—Silicates
    • C01B33/22—Magnesium silicates

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Fuel Cell (AREA)
EA201270464A 2009-09-25 2010-09-24 Предотвращение или снижение образования твердых отложений в производстве фосфорной кислоты мокрым способом EA028289B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US24571309P 2009-09-25 2009-09-25
PCT/US2010/050086 WO2011038167A1 (en) 2009-09-25 2010-09-24 Preventing or reducing scale in wet-process phosphoric acid production

Publications (2)

Publication Number Publication Date
EA201270464A1 EA201270464A1 (ru) 2012-10-30
EA028289B1 true EA028289B1 (ru) 2017-10-31

Family

ID=43478211

Family Applications (1)

Application Number Title Priority Date Filing Date
EA201270464A EA028289B1 (ru) 2009-09-25 2010-09-24 Предотвращение или снижение образования твердых отложений в производстве фосфорной кислоты мокрым способом

Country Status (17)

Country Link
EP (1) EP2480496A1 (xx)
CN (1) CN102712476B (xx)
AP (1) AP3403A (xx)
AR (1) AR078448A1 (xx)
AU (1) AU2010298172B2 (xx)
BR (1) BR112012006675A2 (xx)
CA (1) CA2775344A1 (xx)
EA (1) EA028289B1 (xx)
IL (1) IL218757A (xx)
JO (1) JO3035B1 (xx)
MA (1) MA33797B1 (xx)
MX (1) MX2012003383A (xx)
PE (1) PE20121419A1 (xx)
SA (1) SA110310714B1 (xx)
TN (1) TN2012000121A1 (xx)
WO (1) WO2011038167A1 (xx)
ZA (1) ZA201202019B (xx)

Families Citing this family (7)

* 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
CA2830875A1 (en) * 2011-03-22 2012-09-27 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
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
US10759662B2 (en) 2018-03-12 2020-09-01 Solenis Technologies, L.P. Systems and methods for reducing formation of scale in phosphoric acid production
CN115571863B (zh) * 2022-10-08 2024-02-09 广东邦普循环科技有限公司 一种湿法磷酸溶垢剂及其制备方法和应用

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3796790A (en) * 1972-04-25 1974-03-12 Canadian Patents Dev Process for recovering concentrated phosphoric acid
GB1433123A (en) * 1972-05-05 1976-04-22 Fisons Ltd Process for inhibiting scale
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
US4327061A (en) * 1979-02-21 1982-04-27 Kerr-Mcgee Chemical Corporation Method of stabilizing wet process phosphoric acid for solvent extraction
US5120519A (en) * 1991-11-04 1992-06-09 Nalco Chemical Company Scale control in phosphoric acid manufacture
CN1762857A (zh) * 2005-08-31 2006-04-26 刘天暘 湿法磷酸生产用阻垢剂
WO2009148866A1 (en) * 2008-05-30 2009-12-10 Nalco Company Inhibition of water formed scale in acid conditions

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1451608A (en) * 1972-11-08 1976-10-06 Fisons Ltd Process for reducing calcium sulphate scale formation
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
CN1068312A (zh) * 1991-07-09 1993-01-27 化学工业部天津化工研究院 海水循环冷却水缓蚀阻垢剂
EP0677485A1 (de) 1994-03-22 1995-10-18 Faborga S.A. Mittel zur Verhinderung von Ausscheidungen in Prozesswässern
CN1179138A (zh) * 1995-03-17 1998-04-15 巴科曼实验室国际公司 工业含水系统中水垢的控制
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
CN1305786C (zh) * 2004-08-13 2007-03-21 北京斯伯乐科学技术研究院 一种用于乙烯装置裂解气压缩机的阻垢剂及其使用方法
CN1321057C (zh) * 2005-02-01 2007-06-13 云南三环化工有限公司 一种改善二水物湿法磷酸生产的方法
GB2424876B (en) 2005-04-06 2011-03-23 Rhodia Uk Ltd Improved analysis of polymeric scale inhibitors
JPWO2007080811A1 (ja) * 2006-01-11 2009-06-11 栗田工業株式会社 スケール防止剤及びスケール防止方法

Patent Citations (7)

* 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
US3796790A (en) * 1972-04-25 1974-03-12 Canadian Patents Dev Process for recovering concentrated phosphoric acid
GB1433123A (en) * 1972-05-05 1976-04-22 Fisons Ltd Process for inhibiting scale
US4327061A (en) * 1979-02-21 1982-04-27 Kerr-Mcgee Chemical Corporation Method of stabilizing wet process phosphoric acid for solvent extraction
US5120519A (en) * 1991-11-04 1992-06-09 Nalco Chemical Company Scale control in phosphoric acid manufacture
CN1762857A (zh) * 2005-08-31 2006-04-26 刘天暘 湿法磷酸生产用阻垢剂
WO2009148866A1 (en) * 2008-05-30 2009-12-10 Nalco Company Inhibition of water formed scale in acid conditions

Also Published As

Publication number Publication date
AR078448A1 (es) 2011-11-09
PE20121419A1 (es) 2012-10-17
SA110310714B1 (ar) 2014-11-16
EA201270464A1 (ru) 2012-10-30
TN2012000121A1 (en) 2013-09-19
AU2010298172A1 (en) 2012-04-19
BR112012006675A2 (pt) 2016-05-10
WO2011038167A1 (en) 2011-03-31
CA2775344A1 (en) 2011-03-31
EP2480496A1 (en) 2012-08-01
AP2012006168A0 (en) 2012-04-30
AU2010298172B2 (en) 2014-07-31
AP3403A (en) 2015-08-31
JO3035B1 (ar) 2016-09-05
MA33797B1 (fr) 2012-12-03
IL218757A (en) 2017-09-28
CN102712476A (zh) 2012-10-03
IL218757A0 (en) 2012-06-28
CN102712476B (zh) 2019-03-12
MX2012003383A (es) 2012-04-10
ZA201202019B (en) 2013-08-28

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Designated state(s): AM AZ BY KZ KG MD TJ TM

MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): RU