IL228352A0 - Preventing or reducing scale in wet-process phosphoric acid production - Google Patents
Preventing or reducing scale in wet-process phosphoric acid productionInfo
- Publication number
- IL228352A0 IL228352A0 IL228352A IL22835213A IL228352A0 IL 228352 A0 IL228352 A0 IL 228352A0 IL 228352 A IL228352 A IL 228352A IL 22835213 A IL22835213 A IL 22835213A IL 228352 A0 IL228352 A0 IL 228352A0
- Authority
- IL
- Israel
- Prior art keywords
- wet
- preventing
- phosphoric acid
- acid production
- 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
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F14/00—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes
- C23F14/02—Inhibiting incrustation in apparatus for heating liquids for physical or chemical purposes by chemical means
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
- Chemical Treatment Of Metals (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Fuel Cell (AREA)
- Silicon Compounds (AREA)
- Removal Of Specific Substances (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2011/029319 WO2012128755A1 (en) | 2011-03-22 | 2011-03-22 | Preventing or reducing scale in wet-process phosphoric acid production |
Publications (1)
Publication Number | Publication Date |
---|---|
IL228352A0 true IL228352A0 (en) | 2013-12-31 |
Family
ID=44279691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL228352A IL228352A0 (en) | 2011-03-22 | 2013-09-11 | Preventing or reducing scale in wet-process phosphoric acid production |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP2688837A1 (en) |
CN (1) | CN103429528B (en) |
AP (1) | AP2013007112A0 (en) |
AU (1) | AU2011363047A1 (en) |
BR (1) | BR112013024257A2 (en) |
CA (1) | CA2830875A1 (en) |
EA (1) | EA025200B1 (en) |
IL (1) | IL228352A0 (en) |
MA (1) | MA35044B1 (en) |
MX (1) | MX358775B (en) |
TN (1) | TN2013000369A1 (en) |
WO (1) | WO2012128755A1 (en) |
Families Citing this family (9)
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 |
BR112016017702B1 (en) * | 2014-02-11 | 2022-01-25 | Cytec Industries Inc. | PROCESS OF INHIBITION OF INCRUSTATION PRODUCED DURING THE PRODUCTION OF WET PROCESS PHOSPHORIC ACID |
CA2976357C (en) | 2015-02-11 | 2021-11-09 | Cytec Industries Inc. | Modified amines useful as scale inhibitors in wet process phosphoric acid production |
EA026955B1 (en) * | 2015-03-16 | 2017-06-30 | Общество с ограниченной ответственностью "ФАРМА-ПОКРОВ" | Disinfecting composition |
KR102404839B1 (en) | 2016-08-25 | 2022-06-07 | 비엘 테크놀러지스 인크. | Reduce contamination of hydrocarbon oils |
CN107043094A (en) * | 2017-04-18 | 2017-08-15 | 云南佳贝节能科技有限公司 | A kind of system of processing of concentrated phosphoric acid |
US10759662B2 (en) | 2018-03-12 | 2020-09-01 | Solenis Technologies, L.P. | Systems and methods for reducing formation of scale in phosphoric acid production |
CN111215247B (en) * | 2020-01-07 | 2021-04-23 | 中南大学 | Inhibitor for high-calcium fluorite direct flotation and flotation method |
CN112919650B (en) * | 2021-01-21 | 2023-05-02 | 山东滨州昱诚化工科技有限公司 | Scale and corrosion inhibitor, composition for scale and corrosion inhibitor, and preparation method and application of composition |
Family Cites Families (20)
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 |
GB1433123A (en) * | 1972-05-05 | 1976-04-22 | Fisons Ltd | Process for inhibiting scale |
US4221769A (en) * | 1972-11-08 | 1980-09-09 | Fisons Limited | Process for preventing the formation of calcium sulphate scale |
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 |
US5120519A (en) * | 1991-11-04 | 1992-06-09 | Nalco Chemical Company | Scale control in phosphoric acid manufacture |
CN1082515A (en) * | 1992-09-30 | 1994-02-23 | 河南省南阳高新节能技术有限公司 | Natural plant and mineral type boiler scale cleaning agent |
EP0677485A1 (en) | 1994-03-22 | 1995-10-18 | Faborga S.A. | Means for preventing deposit formation in industrial process waters |
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 |
US6572789B1 (en) * | 2001-04-02 | 2003-06-03 | Ondeo Nalco Company | Corrosion inhibitors for aqueous systems |
GB2424876B (en) | 2005-04-06 | 2011-03-23 | Rhodia Uk Ltd | Improved analysis of polymeric scale inhibitors |
US7727945B2 (en) * | 2005-07-15 | 2010-06-01 | Akzo Nobel N.V. | Modified polysaccharides |
US7666963B2 (en) * | 2005-07-21 | 2010-02-23 | Akzo Nobel N.V. | Hybrid copolymers |
CN100431985C (en) * | 2005-08-31 | 2008-11-12 | 刘天暘 | Scale inhibitor for wet method phosphoric acid manufacture |
NO20073834L (en) * | 2006-07-21 | 2008-01-22 | Akzo Nobel Chemicals Int Bv | Sulfonated graft copolymers |
CN101565242B (en) * | 2008-04-23 | 2011-09-07 | 北京合创同盛科技有限公司 | Compound synergic water treating agent |
AP3575A (en) * | 2009-09-25 | 2016-02-08 | Cytec Tech Corp | Process and reagents for the inhibition or reduction of scale formation during phosphoric acid production |
CN102712476B (en) * | 2009-09-25 | 2019-03-12 | 塞特克技术公司 | It prevents or reduces wet process and prepares fouling in phosphoric acid |
CN101759302A (en) * | 2009-11-17 | 2010-06-30 | 瓮福(集团)有限责任公司 | Method for preventing scaling in pipeline of phosphoric acid production equipment |
-
2011
- 2011-03-22 MA MA36335A patent/MA35044B1/en unknown
- 2011-03-22 EP EP11712724.1A patent/EP2688837A1/en not_active Withdrawn
- 2011-03-22 CN CN201180069454.9A patent/CN103429528B/en not_active Expired - Fee Related
- 2011-03-22 MX MX2013010468A patent/MX358775B/en active IP Right Grant
- 2011-03-22 CA CA2830875A patent/CA2830875A1/en not_active Abandoned
- 2011-03-22 EA EA201391360A patent/EA025200B1/en not_active IP Right Cessation
- 2011-03-22 WO PCT/US2011/029319 patent/WO2012128755A1/en active Application Filing
- 2011-03-22 AP AP2013007112A patent/AP2013007112A0/en unknown
- 2011-03-22 BR BR112013024257A patent/BR112013024257A2/en not_active Application Discontinuation
- 2011-03-22 AU AU2011363047A patent/AU2011363047A1/en not_active Abandoned
-
2013
- 2013-09-11 IL IL228352A patent/IL228352A0/en not_active IP Right Cessation
- 2013-09-18 TN TNP2013000369A patent/TN2013000369A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO2012128755A1 (en) | 2012-09-27 |
MX2013010468A (en) | 2013-10-28 |
EP2688837A1 (en) | 2014-01-29 |
TN2013000369A1 (en) | 2015-01-20 |
AU2011363047A1 (en) | 2013-09-26 |
CA2830875A1 (en) | 2012-09-27 |
MX358775B (en) | 2018-09-04 |
CN103429528A (en) | 2013-12-04 |
AP2013007112A0 (en) | 2013-09-30 |
MA35044B1 (en) | 2014-04-03 |
EA201391360A1 (en) | 2014-01-30 |
EA025200B1 (en) | 2016-11-30 |
CN103429528B (en) | 2016-08-10 |
BR112013024257A2 (en) | 2016-12-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FF | Patent granted | ||
KB | Patent renewed | ||
MM9K | Patent not in force due to non-payment of renewal fees |