BR112012006675A2 - method for preventing or reducing at least one species of crust in a phosphoric acid production process in a wet process - Google Patents

method for preventing or reducing at least one species of crust in a phosphoric acid production process in a wet process

Info

Publication number
BR112012006675A2
BR112012006675A2 BR112012006675A BR112012006675A BR112012006675A2 BR 112012006675 A2 BR112012006675 A2 BR 112012006675A2 BR 112012006675 A BR112012006675 A BR 112012006675A BR 112012006675 A BR112012006675 A BR 112012006675A BR 112012006675 A2 BR112012006675 A2 BR 112012006675A2
Authority
BR
Brazil
Prior art keywords
phosphoric acid
acid production
preventing
reducing
crust
Prior art date
Application number
BR112012006675A
Other languages
Portuguese (pt)
Inventor
Bing Wang
Sathanjheri Ravishankar
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
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=BR112012006675(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Cytec Tech Corp filed Critical Cytec Tech Corp
Publication of BR112012006675A2 publication Critical patent/BR112012006675A2/en

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)
  • Catalysts (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Fuel Cell (AREA)

Abstract

método para prevenir ou para reduzir pelo menos uma espécie de crosta em um processo de produção de ácido fosfórico em um processo a úmido. são providos métodos para a prevenção ou para a redução de formação de crosta em um processo de produção de ácido fosfórico em um processo a úmido, através da mistura de um reagente orgânico funcional solúvel em água com um ácido fosfórico em um ou mais estágios do processo de produção de ácido fosfórico, em uma quantidade suficiente para prevenir ou para reduzir pelo menos uma espécie de formação de crostaA method for preventing or reducing at least one species of crust in a phosphoric acid production process in a wet process. methods are provided for preventing or reducing crust formation in a wet process phosphoric acid production process by mixing a water-soluble organic functional reagent with a phosphoric acid at one or more process stages. phosphoric acid production in an amount sufficient to prevent or reduce at least one kind of scab formation

BR112012006675A 2009-09-25 2010-09-24 method for preventing or reducing at least one species of crust in a phosphoric acid production process in a wet process BR112012006675A2 (en)

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 (1)

Publication Number Publication Date
BR112012006675A2 true BR112012006675A2 (en) 2016-05-10

Family

ID=43478211

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012006675A BR112012006675A2 (en) 2009-09-25 2010-09-24 method for preventing or reducing at least one species of crust in a phosphoric acid production process in a wet process

Country Status (17)

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

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
US8900539B2 (en) 2011-03-22 2014-12-02 Cytec Technology Corp. Preventing or reducing scale in wet-process phosphoric acid production
EA025200B1 (en) * 2011-03-22 2016-11-30 Сайтек Текнолоджи Корп. Preventing or reducing scale in wet-process phosphoric acid production
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
CN115571863B (en) * 2022-10-08 2024-02-09 广东邦普循环科技有限公司 Wet phosphoric acid scale-dissolving agent and preparation method and application thereof

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 (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
CN1068312A (en) * 1991-07-09 1993-01-27 化学工业部天津化工研究院 Corrosion inhibiting antisludging agent for circularly-cooling sea water
US5120519A (en) * 1991-11-04 1992-06-09 Nalco Chemical Company Scale control in phosphoric acid manufacture
EP0677485A1 (en) 1994-03-22 1995-10-18 Faborga S.A. Means for preventing deposit formation in industrial process waters
CN1179138A (en) * 1995-03-17 1998-04-15 巴科曼实验室国际公司 Scale control in aqueous industrial systems
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
CN1305786C (en) * 2004-08-13 2007-03-21 北京斯伯乐科学技术研究院 Antisludging agent used in cracking gas compressor in an ethylene apparatus and its using method
CN1321057C (en) * 2005-02-01 2007-06-13 云南三环化工有限公司 Improved wet dihydrate phosphoric acid producing process
GB2424876B (en) 2005-04-06 2011-03-23 Rhodia Uk Ltd Improved analysis of polymeric scale inhibitors
CN100431985C (en) 2005-08-31 2008-11-12 刘天暘 Scale inhibitor for wet method phosphoric acid manufacture
JPWO2007080811A1 (en) * 2006-01-11 2009-06-11 栗田工業株式会社 Scale inhibitor and scale prevention method
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
SA110310714B1 (en) 2014-11-16
AU2010298172A1 (en) 2012-04-19
EA028289B1 (en) 2017-10-31
CN102712476B (en) 2019-03-12
TN2012000121A1 (en) 2013-09-19
ZA201202019B (en) 2013-08-28
CN102712476A (en) 2012-10-03
EP2480496A1 (en) 2012-08-01
MX2012003383A (en) 2012-04-10
IL218757A0 (en) 2012-06-28
IL218757A (en) 2017-09-28
AP3403A (en) 2015-08-31
JO3035B1 (en) 2016-09-05
MA33797B1 (en) 2012-12-03
EA201270464A1 (en) 2012-10-30
AP2012006168A0 (en) 2012-04-30
CA2775344A1 (en) 2011-03-31
AU2010298172B2 (en) 2014-07-31
WO2011038167A1 (en) 2011-03-31
PE20121419A1 (en) 2012-10-17
AR078448A1 (en) 2011-11-09

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06T Formal requirements before examination [chapter 6.20 patent gazette]

Free format text: O DEPOSITANTE DEVE RESPONDER A EXIGENCIA FORMULADA NESTE PARECER POR MEIO DO SERVICO DE CODIGO 206 EM ATE 60 (SESSENTA) DIAS, A PARTIR DA DATA DE PUBLICACAO NA RPI, SOB PENA DO ARQUIVAMENTO DO PEDIDO, DE ACORDO COM O ART. 34 DA LPI.

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B12B Appeal against refusal [chapter 12.2 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 11A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2640 DE 10-08-2021 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.