EA201270464A1 - 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

Info

Publication number
EA201270464A1
EA201270464A1 EA201270464A EA201270464A EA201270464A1 EA 201270464 A1 EA201270464 A1 EA 201270464A1 EA 201270464 A EA201270464 A EA 201270464A EA 201270464 A EA201270464 A EA 201270464A EA 201270464 A1 EA201270464 A1 EA 201270464A1
Authority
EA
Eurasian Patent Office
Prior art keywords
formation
phosphoric acid
reducing
prevention
ways
Prior art date
Application number
EA201270464A
Other languages
English (en)
Other versions
EA028289B1 (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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=43478211&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EA201270464(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
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

Links

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Fuel Cell (AREA)
  • Catalysts (AREA)

Abstract

Предложены способы предотвращения или снижения образования твердых отложений в процессе производства фосфорной кислоты мокрым способом при помощи смешивания водорастворимого функционального органического реагента на одной или нескольких стадиях процесса производства фосфорной кислоты в количестве, достаточном для предотвращения или снижения образования по меньшей мере одного вида твердых отложений.
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 true EA201270464A1 (ru) 2012-10-30
EA028289B1 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 (ru)
CN (1) CN102712476B (ru)
AP (1) AP3403A (ru)
AR (1) AR078448A1 (ru)
AU (1) AU2010298172B2 (ru)
BR (1) BR112012006675A2 (ru)
CA (1) CA2775344A1 (ru)
EA (1) EA028289B1 (ru)
IL (1) IL218757A (ru)
JO (1) JO3035B1 (ru)
MA (1) MA33797B1 (ru)
MX (1) MX2012003383A (ru)
PE (1) PE20121419A1 (ru)
SA (1) SA110310714B1 (ru)
TN (1) TN2012000121A1 (ru)
WO (1) WO2011038167A1 (ru)
ZA (1) ZA201202019B (ru)

Families Citing this family (7)

* 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
WO2012128755A1 (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
MX2016010392A (es) 2014-02-11 2016-10-17 Cytec Ind Inc Polimeros que contienen aminas primarias utiles como inhibidores de incrustaciones.
TN2017000351A1 (en) * 2015-02-11 2019-01-16 Cytec Ind 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
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

Family Cites Families (18)

* 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
GB1451608A (en) * 1972-11-08 1976-10-06 Fisons Ltd Process for reducing calcium sulphate scale formation
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
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
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
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
CN100431985C (zh) * 2005-08-31 2008-11-12 刘天暘 湿法磷酸生产用阻垢剂
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
US20090294372A1 (en) * 2008-05-30 2009-12-03 Gill Jasbir S Inhibition of water formed scale in acid conditions

Also Published As

Publication number Publication date
CN102712476A (zh) 2012-10-03
IL218757A0 (en) 2012-06-28
EA028289B1 (ru) 2017-10-31
AR078448A1 (es) 2011-11-09
AP3403A (en) 2015-08-31
AU2010298172B2 (en) 2014-07-31
BR112012006675A2 (pt) 2016-05-10
MA33797B1 (fr) 2012-12-03
MX2012003383A (es) 2012-04-10
ZA201202019B (en) 2013-08-28
IL218757A (en) 2017-09-28
EP2480496A1 (en) 2012-08-01
SA110310714B1 (ar) 2014-11-16
PE20121419A1 (es) 2012-10-17
JO3035B1 (ar) 2016-09-05
AU2010298172A1 (en) 2012-04-19
AP2012006168A0 (en) 2012-04-30
CN102712476B (zh) 2019-03-12
CA2775344A1 (en) 2011-03-31
TN2012000121A1 (en) 2013-09-19
WO2011038167A1 (en) 2011-03-31

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Legal Events

Date Code Title Description
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): 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