BR112013017270A2 - pré-diluição de floculante para a filtração de gesso na produção de ácido fosfórico com ácido fosfórico de pós-filtração - Google Patents

pré-diluição de floculante para a filtração de gesso na produção de ácido fosfórico com ácido fosfórico de pós-filtração

Info

Publication number
BR112013017270A2
BR112013017270A2 BR112013017270A BR112013017270A BR112013017270A2 BR 112013017270 A2 BR112013017270 A2 BR 112013017270A2 BR 112013017270 A BR112013017270 A BR 112013017270A BR 112013017270 A BR112013017270 A BR 112013017270A BR 112013017270 A2 BR112013017270 A2 BR 112013017270A2
Authority
BR
Brazil
Prior art keywords
phosphoric acid
filtration
predilution
flocculant
production
Prior art date
Application number
BR112013017270A
Other languages
English (en)
Other versions
BR112013017270B1 (pt
Inventor
N T Hay Daniel
G Strominger Michael
Renzello Randon
v davis Ronald
A Faigl Thomas
L Moss Wayne
Original Assignee
Nalco Co
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
Application filed by Nalco Co filed Critical Nalco Co
Publication of BR112013017270A2 publication Critical patent/BR112013017270A2/pt
Publication of BR112013017270B1 publication Critical patent/BR112013017270B1/pt

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
    • C01B25/234—Purification; Stabilisation; Concentration
    • C01B25/235—Clarification; Stabilisation to prevent post-precipitation of dissolved impurities
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • B01D21/08—Settling tanks with single outlets for the separated liquid provided with flocculating compartments
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
BR112013017270-3A 2011-01-04 2012-01-03 método de adição de floculante a um processo de produção de ácido fosfórico BR112013017270B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/984,331 2011-01-04
US12/984,331 US9187327B2 (en) 2011-01-04 2011-01-04 Phosphoric acid production gypsum filtration flocculant pre-dilution (make down) with post-filtration phosphoric acid
PCT/US2012/020033 WO2012094286A2 (en) 2011-01-04 2012-01-03 Phosphoric acid production gypsum filtration flocculant pre-dilution (make down) with post-filtration phosphoric acid

Publications (2)

Publication Number Publication Date
BR112013017270A2 true BR112013017270A2 (pt) 2018-06-05
BR112013017270B1 BR112013017270B1 (pt) 2020-10-13

Family

ID=46380927

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013017270-3A BR112013017270B1 (pt) 2011-01-04 2012-01-03 método de adição de floculante a um processo de produção de ácido fosfórico

Country Status (10)

Country Link
US (1) US9187327B2 (pt)
EP (1) EP2661439A4 (pt)
CN (1) CN103443110B (pt)
BR (1) BR112013017270B1 (pt)
CA (1) CA2823878C (pt)
EA (1) EA029575B1 (pt)
IL (1) IL227321A (pt)
JO (1) JO3548B1 (pt)
TN (1) TN2013000287A1 (pt)
WO (1) WO2012094286A2 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL3105367T3 (pl) 2014-02-11 2021-05-31 Cytec Industries Inc. Polimery zawierające aminy pierwszorzędowe użyteczne jako inhibitory tworzenia się kamienia
WO2016130817A1 (en) 2015-02-11 2016-08-18 Cytec Industries Inc. Modified amines useful as scale inhibitors in wet process phosphoric acid production
WO2017040795A1 (en) 2015-09-01 2017-03-09 Cytec Industries Inc. Polymeric microparticles as filtration and/or clarifying aids in phosphoric acid production
JOP20190235A1 (ar) * 2018-10-05 2020-04-05 Cytec Ind Inc طرق إنتاج حمض الفوسفوريك و تركيباته
CN112551495A (zh) * 2020-12-28 2021-03-26 中国科学院过程工程研究所 一种磷酸生产过程的优化方法及优化装置

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL295743A (pt) 1962-07-25
US3694153A (en) * 1970-10-30 1972-09-26 Audrey E Stern Liquid-liquid extraction process for the purification of phosphoric acid
US3624019A (en) 1970-12-15 1971-11-30 Nalco Chemical Co Process for rapidly dissolving water-soluble polymers
BE786320A (fr) 1972-03-04 1973-01-15 Montedison Spa Procede de preparation de solutions de nitrate de calcium et d'acide phosphorique exemptes de particules solides en suspension
FR2405897A1 (fr) 1974-03-29 1979-05-11 Quimica Organomex Sa Composition amelioree pour floculer les matieres organiques et les impuretes minerales contenues dans l'acide phosphorique
US4191655A (en) 1977-07-07 1980-03-04 Betz Laboratories, Inc. Dewatering composition
US4160657A (en) 1978-01-19 1979-07-10 Pennzoil Company Preparation of monocalcium phosphate and phosphoric acid
FR2447347A1 (fr) * 1979-01-24 1980-08-22 Rhone Poulenc Ind Procede de traitement d'un acide phosphorique impur
US4263148A (en) * 1979-04-09 1981-04-21 Earth Sciences, Inc. Process for removing humic matter from phosphoric acid solutions
US4291005A (en) 1979-04-23 1981-09-22 American Cyanamid Company Settling out suspended solids in phosphoric acid product solutions
US4251363A (en) 1979-09-11 1981-02-17 American Cyanamid Company Anionic polymeric flocculant combinations for settling phosphate slimes
US4332779A (en) 1980-11-24 1982-06-01 American Cyanamid Company Phosphoric acid filtration process
JPH0245665B2 (ja) 1982-04-26 1990-10-11 Yokohama Rubber Co Ltd Ehokishijushisetsuchakuzai
US4599390A (en) 1983-03-11 1986-07-08 Union Carbide Corporation High molecular weight water-soluble polymers and flocculation method using same
US4743438A (en) 1984-09-27 1988-05-10 Tennessee Valley Authority Process for producing phosphoric acid from low purity phosphate rock
US4581156A (en) 1984-12-03 1986-04-08 United States Steel Corporation Control of foam formation in the manufacture of wet process phosphoric acid
JPS63144107A (ja) * 1986-12-08 1988-06-16 Mitsui Toatsu Chem Inc 高濃度燐酸−半水石こうスラリ−の濾過方法
US4745154A (en) 1986-04-14 1988-05-17 Alco Chemical Corporation Water soluble polymers, their preparation and their uses
US4800071A (en) * 1988-05-03 1989-01-24 Nalco Chemical Company Filtration aids for removal of calcium solids from aqueous phosphoric acid
US5009873A (en) * 1990-01-29 1991-04-23 Nalco Chemical Company Crystal modification in wet process phosphoric acid production
US5185135A (en) * 1991-08-12 1993-02-09 Nalco Chemical Company Method of dewatering a wet process phosphoric acid slurry
US5183211A (en) 1991-09-25 1993-02-02 Nalco Chemical Company Chemical aids for wet-grinding phosphate rock
US5173280A (en) 1991-10-15 1992-12-22 Calgon Corporation Method of clarifying phosphoric acid using high charge sulfonic-type polymers
US5211928A (en) 1991-10-15 1993-05-18 Calgon Corporation Method of improving gypsum slurry filtration in the production of phosphoric acid
US5120519A (en) * 1991-11-04 1992-06-09 Nalco Chemical Company Scale control in phosphoric acid manufacture
US5318707A (en) * 1992-08-28 1994-06-07 Calgon Corporation Method of clarifying phosphoric acid
US5571862A (en) 1994-11-28 1996-11-05 Cytec Technology Corp. Stabilized polyacrylamide emulsions and methods of making same
US6200841B1 (en) 1997-12-30 2001-03-13 Anam Semiconductor Inc. MOS transistor that inhibits punchthrough and method for fabricating the same
US6485651B1 (en) * 2001-03-28 2002-11-26 Ondeo Nalco Company Quick inverting liquid flocculant
US8921478B2 (en) 2008-10-17 2014-12-30 Nalco Company Method of controlling gas hydrates in fluid systems
US20100170856A1 (en) 2009-01-06 2010-07-08 Branning Merle L Improvement separation of solids from liquids by the use of quick inverting and dispersing flocculants

Also Published As

Publication number Publication date
BR112013017270B1 (pt) 2020-10-13
EP2661439A2 (en) 2013-11-13
IL227321A0 (en) 2013-09-30
EA029575B1 (ru) 2018-04-30
TN2013000287A1 (en) 2015-01-20
US20120171099A1 (en) 2012-07-05
CA2823878C (en) 2016-11-15
IL227321A (en) 2016-09-29
JO3548B1 (ar) 2020-07-05
CN103443110A (zh) 2013-12-11
CN103443110B (zh) 2016-06-15
US9187327B2 (en) 2015-11-17
WO2012094286A3 (en) 2012-10-11
CA2823878A1 (en) 2012-07-12
EP2661439A4 (en) 2015-06-24
EA201390825A1 (ru) 2013-12-30
WO2012094286A2 (en) 2012-07-12

Similar Documents

Publication Publication Date Title
CO6930306A2 (es) Línea de proceso para la producción de partículas criodesecadas
BR112014011672A2 (pt) processo para preparar ácido levulínico
BR112014012414A8 (pt) processo para a preparação de 5-flúor-1h-pirazolopiridinas substituídas
BR112014030068A2 (pt) processo para purificar uma composição
CO6930352A2 (es) Línea de proceso para la producción de partículas criodesecadas
BR112014001781A2 (pt) sistema configurado para a produção de pelo menos um produto
BR112013031120A2 (pt) processo para a preparação de ácido fórmico
BR112014013239A2 (pt) microorganismo para produção em simultâneo de l-aminoácido e riboflavina e método para a produção de l-aminoácido e riboflavina utilizando o mesmo
BR112013022939A8 (pt) processo para produzir uma composição particulada
BR112014008911A2 (pt) processo para a produção de 5-hidroximetilfurfural
BR112013030423A2 (pt) método para produção de biocoque
BR112013013256A2 (pt) método para a produção de ácido 2-bromo-4,5-dialcoxi- benzóico
CO6910182A2 (es) Producción mejorada de ácido nítrico
CO6842021A2 (es) Análogos de ácido epoxieicosatrienoico y métodos para elaborarlosy utilizarlos
BR112013008883A2 (pt) processo para a fabricação de di-hidropteridinonas
BR112014012519A2 (pt) método para purificar 1,3-batadieno
BR112012009097A2 (pt) processo para produzir colagens
BR112014001571A2 (pt) processo para preparar derivados de ácido carboxílico
BR112014003336A2 (pt) processo para a preparação de complexos de 68ga
BR112013017270A2 (pt) pré-diluição de floculante para a filtração de gesso na produção de ácido fosfórico com ácido fosfórico de pós-filtração
BR112015000987A2 (pt) processo para a preparação de 5-fluoro-1h-pirazóis
BR112014014052A2 (pt) processo para a preparação de 5-hidroximetilfurfural
BR112013017831A2 (pt) método para a preparação de ácido nicotínico
BR112014010327A2 (pt) processo para a preparação de compostos
BR112013030374A2 (pt) processo di-hidrato-hemi-hidrato para a produção de ácido fosfórico

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]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 03/01/2012, OBSERVADAS AS CONDICOES LEGAIS.