TN2012000121A1 - Preventing or reducing scale in wet-process phosphoric acid production - Google Patents
Preventing or reducing scale in wet-process phosphoric acid productionInfo
- Publication number
- TN2012000121A1 TN2012000121A1 TNP2012000121A TN2012000121A TN2012000121A1 TN 2012000121 A1 TN2012000121 A1 TN 2012000121A1 TN P2012000121 A TNP2012000121 A TN P2012000121A TN 2012000121 A TN2012000121 A TN 2012000121A TN 2012000121 A1 TN2012000121 A1 TN 2012000121A1
- Authority
- TN
- Tunisia
- Prior art keywords
- phosphoric acid
- acid production
- wet
- preventing
- process phosphoric
- Prior art date
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)
- Fuel Cell (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
Methods for preventing or reducing the formation of scale in a wet-process phosphoric acid production process by intermixing a water-soluble functional organic reagent with a phosphoric acid at one or more step of the phosphoric acid production process in an amount sufficient to prevent or reduce at least one species of scale are provided.
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 |
---|---|
TN2012000121A1 true TN2012000121A1 (en) | 2013-09-19 |
Family
ID=43478211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TNP2012000121A TN2012000121A1 (en) | 2009-09-25 | 2012-03-19 | Preventing or reducing scale in wet-process phosphoric acid production |
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)
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 |
MX358775B (en) * | 2011-03-22 | 2018-09-04 | Cytec Tech Corp | 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 |
US10906828B2 (en) * | 2015-02-11 | 2021-02-02 | 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)
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 |
CN101356122B (en) * | 2006-01-11 | 2013-06-26 | 栗田工业株式会社 | Antiscaling agent and antiscaling method |
US20090294372A1 (en) * | 2008-05-30 | 2009-12-03 | Gill Jasbir S | Inhibition of water formed scale in acid conditions |
-
2010
- 2010-09-24 BR BR112012006675A patent/BR112012006675A2/en not_active IP Right Cessation
- 2010-09-24 AR ARP100103486A patent/AR078448A1/en unknown
- 2010-09-24 EP EP10760870A patent/EP2480496A1/en not_active Withdrawn
- 2010-09-24 CA CA2775344A patent/CA2775344A1/en not_active Abandoned
- 2010-09-24 EA EA201270464A patent/EA028289B1/en not_active IP Right Cessation
- 2010-09-24 CN CN201080051658.5A patent/CN102712476B/en not_active Expired - Fee Related
- 2010-09-24 MX MX2012003383A patent/MX2012003383A/en active IP Right Grant
- 2010-09-24 AU AU2010298172A patent/AU2010298172B2/en not_active Ceased
- 2010-09-24 WO PCT/US2010/050086 patent/WO2011038167A1/en active Application Filing
- 2010-09-24 AP AP2012006168A patent/AP3403A/en active
- 2010-09-24 PE PE2012000361A patent/PE20121419A1/en not_active Application Discontinuation
- 2010-09-25 SA SA110310714A patent/SA110310714B1/en unknown
- 2010-09-26 JO JOP/2010/0326A patent/JO3035B1/en active
-
2012
- 2012-03-19 ZA ZA2012/02019A patent/ZA201202019B/en unknown
- 2012-03-19 TN TNP2012000121A patent/TN2012000121A1/en unknown
- 2012-03-20 IL IL218757A patent/IL218757A/en not_active IP Right Cessation
- 2012-04-25 MA MA34801A patent/MA33797B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
IL218757A (en) | 2017-09-28 |
EA201270464A1 (en) | 2012-10-30 |
CA2775344A1 (en) | 2011-03-31 |
AU2010298172B2 (en) | 2014-07-31 |
AP3403A (en) | 2015-08-31 |
AP2012006168A0 (en) | 2012-04-30 |
IL218757A0 (en) | 2012-06-28 |
AU2010298172A1 (en) | 2012-04-19 |
EP2480496A1 (en) | 2012-08-01 |
CN102712476A (en) | 2012-10-03 |
BR112012006675A2 (en) | 2016-05-10 |
AR078448A1 (en) | 2011-11-09 |
EA028289B1 (en) | 2017-10-31 |
MA33797B1 (en) | 2012-12-03 |
SA110310714B1 (en) | 2014-11-16 |
MX2012003383A (en) | 2012-04-10 |
CN102712476B (en) | 2019-03-12 |
WO2011038167A1 (en) | 2011-03-31 |
JO3035B1 (en) | 2016-09-05 |
ZA201202019B (en) | 2013-08-28 |
PE20121419A1 (en) | 2012-10-17 |
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