MA35044B1 - PREVENTING OR REDUCING SCALE FORMATION IN THE PRODUCTION OF PHOSPHORIC ACID IN A WET PROCESS - Google Patents
PREVENTING OR REDUCING SCALE FORMATION IN THE PRODUCTION OF PHOSPHORIC ACID IN A WET PROCESSInfo
- Publication number
- MA35044B1 MA35044B1 MA36335A MA36335A MA35044B1 MA 35044 B1 MA35044 B1 MA 35044B1 MA 36335 A MA36335 A MA 36335A MA 36335 A MA36335 A MA 36335A MA 35044 B1 MA35044 B1 MA 35044B1
- Authority
- MA
- Morocco
- Prior art keywords
- phosphoric acid
- preventing
- scale formation
- production
- wet process
- 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)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Detergent Compositions (AREA)
- Chemical Treatment Of Metals (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Silicon Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Fuel Cell (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
- Removal Of Specific Substances (AREA)
Abstract
La présente invention concerne des procédés de prévention ou de réduction de la formation de tartre dans un procédé de production d'acide phosphorique humide en mélangeant un réactif d'inhibition du tartre dans une ou plusieurs des étapes de la production d'acide phosphorique dans une quantité suffisante pour prévenir ou réduire la formation de tartre.The present invention relates to methods for preventing or reducing scale formation in a process for producing wet phosphoric acid by mixing a scale inhibiting reagent in one or more of the steps of producing phosphoric acid in a process. sufficient to prevent or reduce scale formation.
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 |
---|---|
MA35044B1 true MA35044B1 (en) | 2014-04-03 |
Family
ID=44279691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MA36335A MA35044B1 (en) | 2011-03-22 | 2011-03-22 | PREVENTING OR REDUCING SCALE FORMATION IN THE PRODUCTION OF PHOSPHORIC ACID IN A WET PROCESS |
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 |
---|---|---|---|---|
US9028787B2 (en) | 2009-09-25 | 2015-05-12 | Cytec Technology Corp. | Preventing or reducing scale in wet-process phosphoric acid production |
RS61343B1 (en) | 2014-02-11 | 2021-02-26 | Cytec Ind Inc | Primary amine-containing polymers useful as scale inhibitors |
TN2017000351A1 (en) | 2015-02-11 | 2019-01-16 | Cytec Ind 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 |
SG11201901465RA (en) | 2016-08-25 | 2019-03-28 | Gen Electric | Reduced fouling of hydrocarbon oil |
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 |
US8674021B2 (en) * | 2006-07-21 | 2014-03-18 | Akzo Nobel N.V. | 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 |
EA028289B1 (en) * | 2009-09-25 | 2017-10-31 | Сайтек Текнолоджи Корп. | Preventing or reducing scale in wet-process phosphoric acid production |
EA033322B1 (en) * | 2009-09-25 | 2019-09-30 | Сайтек Текнолоджи Корп. | Method for reducing or preventing the formation of scale in a wet-process phosphoric acid production process |
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 BR BR112013024257A patent/BR112013024257A2/en not_active Application Discontinuation
- 2011-03-22 MX MX2013010468A patent/MX358775B/en active IP Right Grant
- 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 MA MA36335A patent/MA35044B1/en unknown
- 2011-03-22 CN CN201180069454.9A patent/CN103429528B/en not_active Expired - Fee Related
- 2011-03-22 CA CA2830875A patent/CA2830875A1/en not_active Abandoned
- 2011-03-22 EP EP11712724.1A patent/EP2688837A1/en not_active Withdrawn
- 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 |
---|---|
EA201391360A1 (en) | 2014-01-30 |
CN103429528B (en) | 2016-08-10 |
CN103429528A (en) | 2013-12-04 |
BR112013024257A2 (en) | 2016-12-27 |
MX358775B (en) | 2018-09-04 |
MX2013010468A (en) | 2013-10-28 |
CA2830875A1 (en) | 2012-09-27 |
WO2012128755A1 (en) | 2012-09-27 |
AU2011363047A1 (en) | 2013-09-26 |
AP2013007112A0 (en) | 2013-09-30 |
TN2013000369A1 (en) | 2015-01-20 |
EP2688837A1 (en) | 2014-01-29 |
EA025200B1 (en) | 2016-11-30 |
IL228352A0 (en) | 2013-12-31 |
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