MA33797B1 - Prevention or reduction of scale in the production of wet phosphoric acid - Google Patents

Prevention or reduction of scale in the production of wet phosphoric acid

Info

Publication number
MA33797B1
MA33797B1 MA34801A MA34801A MA33797B1 MA 33797 B1 MA33797 B1 MA 33797B1 MA 34801 A MA34801 A MA 34801A MA 34801 A MA34801 A MA 34801A MA 33797 B1 MA33797 B1 MA 33797B1
Authority
MA
Morocco
Prior art keywords
phosphoric acid
production
prevention
scale
reduction
Prior art date
Application number
MA34801A
Other languages
Arabic (ar)
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
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=MA33797(B1) "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 MA33797B1 publication Critical patent/MA33797B1/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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Fuel Cell (AREA)
  • Catalysts (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)

Abstract

La présente invention concerne des procédés permettant de prévenir ou de réduire la formation de tartre dans un procédé de production d'acide phosphorique par voie humide par mélange d'un réactif organique hydrosoluble avec un acide phosphorique dans une ou plusieurs étape(s) du procédé de production d'acide phosphorique en quantité suffisante pour prévenir ou réduire la formation d'au moins une espèce de tartre.The present invention relates to methods for preventing or reducing scale formation in a process for the production of wet phosphoric acid by mixing a water-soluble organic reagent with a phosphoric acid in one or more process step (s). producing phosphoric acid in an amount sufficient to prevent or reduce the formation of at least one species of tartar.

MA34801A 2009-09-25 2012-04-25 Prevention or reduction of scale in the production of wet phosphoric acid MA33797B1 (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
MA33797B1 true MA33797B1 (en) 2012-12-03

Family

ID=43478211

Family Applications (1)

Application Number Title Priority Date Filing Date
MA34801A MA33797B1 (en) 2009-09-25 2012-04-25 Prevention or reduction of scale in the production of wet phosphoric acid

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
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
US8900539B2 (en) 2011-03-22 2014-12-02 Cytec Technology Corp. Preventing or reducing scale in wet-process phosphoric acid production
EP2688837A1 (en) * 2011-03-22 2014-01-29 Cytec Technology Corp. Preventing or reducing scale in wet-process phosphoric acid production
AP2016009349A0 (en) 2014-02-11 2016-07-31 Cytec Ind Inc Primary amine-containing polymers useful as scale inhibitors
MA40798A1 (en) * 2015-02-11 2018-05-31 Cytec Ind Inc Modified amines useful as scale inhibitors in wet 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
AU2010298172A1 (en) 2012-04-19
PE20121419A1 (en) 2012-10-17
CA2775344A1 (en) 2011-03-31
EA028289B1 (en) 2017-10-31
AP3403A (en) 2015-08-31
EP2480496A1 (en) 2012-08-01
EA201270464A1 (en) 2012-10-30
AR078448A1 (en) 2011-11-09
ZA201202019B (en) 2013-08-28
AP2012006168A0 (en) 2012-04-30
IL218757A0 (en) 2012-06-28
CN102712476A (en) 2012-10-03
CN102712476B (en) 2019-03-12
IL218757A (en) 2017-09-28
BR112012006675A2 (en) 2016-05-10
MX2012003383A (en) 2012-04-10
WO2011038167A1 (en) 2011-03-31
TN2012000121A1 (en) 2013-09-19
SA110310714B1 (en) 2014-11-16
JO3035B1 (en) 2016-09-05
AU2010298172B2 (en) 2014-07-31

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