MX2012002614A - Nuevo metodo para la preparacion de silice precipitado. - Google Patents

Nuevo metodo para la preparacion de silice precipitado.

Info

Publication number
MX2012002614A
MX2012002614A MX2012002614A MX2012002614A MX2012002614A MX 2012002614 A MX2012002614 A MX 2012002614A MX 2012002614 A MX2012002614 A MX 2012002614A MX 2012002614 A MX2012002614 A MX 2012002614A MX 2012002614 A MX2012002614 A MX 2012002614A
Authority
MX
Mexico
Prior art keywords
precipitated silica
novel method
acid
silicate
preparing precipitated
Prior art date
Application number
MX2012002614A
Other languages
English (en)
Inventor
Emmanuelle Allain
Original Assignee
Rhodia Operations
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 Rhodia Operations filed Critical Rhodia Operations
Publication of MX2012002614A publication Critical patent/MX2012002614A/es

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
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C01B33/187—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates
    • C01B33/193—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates of aqueous solutions of silicates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic

Abstract

La invención es concerniente con un método para preparar sílice precipitada que consiste de: (i) formar un arrancador que tiene un pH entre 2 y 5; (ii) agregar simultáneamente sílice y ácido, de tal manera que el pH del medio de reacción es de entre 2 y 5; (iii) agregar silicato hasta que el pH es de entre 7 y 10; (iv) agregar simultáneamente silicato y ácido, de tal manera que el pH es de entre 7 y 10; (v) agregar ácido hasta que el pH de entre 2.5 y 5.3; (vi) traer el medio de reacción en contacto con el ácido y el silicato, de tal manera que el pH es de entre aproximadamente 2.5 y 5.3 y (vii) agregar silicato para incrementar el pH a un valor de entre 4.7 y 6.3.
MX2012002614A 2009-09-03 2010-09-02 Nuevo metodo para la preparacion de silice precipitado. MX2012002614A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0904179A FR2949454B1 (fr) 2009-09-03 2009-09-03 Nouveau procede de preparation de silices precipitees
PCT/EP2010/062864 WO2011026895A1 (fr) 2009-09-03 2010-09-02 Nouveau procede de preparation de silices precipitees

Publications (1)

Publication Number Publication Date
MX2012002614A true MX2012002614A (es) 2012-04-20

Family

ID=42104457

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2012002614A MX2012002614A (es) 2009-09-03 2010-09-02 Nuevo metodo para la preparacion de silice precipitado.

Country Status (10)

Country Link
US (1) US9567230B2 (es)
EP (1) EP2473443B1 (es)
JP (1) JP5628920B2 (es)
KR (1) KR101426175B1 (es)
CN (1) CN102548898B (es)
BR (1) BR112012004842B1 (es)
ES (1) ES2618805T3 (es)
FR (1) FR2949454B1 (es)
MX (1) MX2012002614A (es)
WO (1) WO2011026895A1 (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104136371B (zh) * 2011-12-23 2017-03-15 罗地亚运作公司 制备沉淀二氧化硅的新颖的方法
FR2985992B1 (fr) * 2012-01-25 2015-03-06 Rhodia Operations Nouveau procede de preparation de silices precitees
FR2985991B1 (fr) * 2012-01-25 2014-11-28 Rhodia Operations Nouveau procede de preparation de silices precipitees
JP2015504843A (ja) * 2013-01-23 2015-02-16 ローディア オペレーションズ 沈澱シリカの製造方法
JP6204695B2 (ja) * 2013-05-15 2017-09-27 株式会社トクヤマ 金属酸化物ゾルの製造方法
CN109626384A (zh) * 2018-12-27 2019-04-16 通化双龙硅材料科技有限公司 一种牙膏用沉淀二氧化硅摩擦剂的制备方法
CN112250074B (zh) * 2020-10-26 2021-05-07 广州市飞雪材料科技有限公司 一种高吸油高比表面积的二氧化硅的制备方法及其应用
CA3235727A1 (en) 2021-10-26 2023-05-04 Evonik Operations Gmbh Precipitated silica, process for production thereof and use thereof
CN114132938B (zh) * 2021-12-08 2022-05-24 金三江(肇庆)硅材料股份有限公司 一种高吸油值低比表面积二氧化硅及其制备方法
WO2023118283A1 (en) 2021-12-23 2023-06-29 Rhodia Operations Precipitated silica and process for its manufacture
WO2023118281A1 (en) 2021-12-23 2023-06-29 Rhodia Operations Precipitated silica and process for its manufacture
WO2023245595A1 (en) * 2022-06-24 2023-12-28 Rhodia Operations Method for recovering silicate from polymeric composition comprising silica

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3034914A (en) * 1959-05-05 1962-05-15 Pittsburgh Plate Glass Co Preparation of siliceous products
FR2710629B1 (fr) * 1993-09-29 1995-12-29 Rhone Poulenc Chimie Nouveau procédé de préparation de silice précipitée, nouvelles silices précipitées et leur utilisation au renforcement des élastomères.
FR2732328B1 (fr) * 1995-03-29 1997-06-20 Rhone Poulenc Chimie Nouveau procede de preparation de silice precipitee, nouvelles silices precipitees contenant de l'aluminium et leur utilisation au renforcement des elastomeres
CA2729228C (fr) * 2001-08-13 2014-11-18 Rhodia Chimie Silices a distribution granulometrique et/ou repartition poreuse particulieres et leurs utilisations, notamment pour le renforcement de polymeres
EP1423459B1 (fr) * 2001-08-13 2008-02-27 Société de Technologie Michelin Composition de caoutchouc dienique pour pneumatique comprenant une silice specifique comme charge renforcante
FR2910459B1 (fr) 2006-12-22 2010-09-17 Rhodia Recherches & Tech Nouveau procede de preparation de silices precipitees par mise en oeuvre d'un melangeur rapide
FR2928363B1 (fr) * 2008-03-10 2012-08-31 Rhodia Operations Nouveau procede de preparation de silices precipitees, silices precipitees a morphologie, granulometrie et porosite particulieres et leurs utilisations, notamment pour le renforcement de polymeres

Also Published As

Publication number Publication date
EP2473443A1 (fr) 2012-07-11
BR112012004842B1 (pt) 2019-07-09
KR101426175B1 (ko) 2014-08-01
BR112012004842A2 (pt) 2016-03-15
US9567230B2 (en) 2017-02-14
EP2473443B1 (fr) 2016-12-21
ES2618805T3 (es) 2017-06-22
JP2013503806A (ja) 2013-02-04
FR2949454B1 (fr) 2011-09-16
FR2949454A1 (fr) 2011-03-04
CN102548898B (zh) 2015-01-14
KR20120041236A (ko) 2012-04-30
WO2011026895A1 (fr) 2011-03-10
CN102548898A (zh) 2012-07-04
JP5628920B2 (ja) 2014-11-19
US20120263638A1 (en) 2012-10-18

Similar Documents

Publication Publication Date Title
MX2012002614A (es) Nuevo metodo para la preparacion de silice precipitado.
MY185110A (en) Precipitated silica production process
MX2014009000A (es) Proceso novedoso para preparar sílices precipitadas.
IN2012DN03825A (es)
WO2008090974A1 (ja) 物理的強度が改良されたアルキル芳香族化合物脱水素触媒およびその製造方法並びに脱水素化方法
UA103033C2 (ru) СПОСОБ ПОЛУЧЕНИЯ ДИКАРБОНОВЫХ КИСЛОТ ПРИ НИЗКИХ рН
WO2009128973A3 (en) Methods for the production of silver nanowires
IN2014CN04607A (es)
NZ600540A (en) Ethanol production in non-recombinant hosts
EA201001435A1 (ru) Клетка, ферментирующая сахар-пентозу
MX2012009180A (es) Variantes y composiciones que comprenden variantes con alta estabilidad en presencia de un agente quelante.
MY142979A (en) Biodiesel cold filtration process
AU2010333959A8 (en) Organically chelated mineral compositions and methods thereof
IN2014CN04719A (es)
UA111953C2 (uk) Високоміцний цемент на фосфатній основі, який має низьку лужність
MX2009005392A (es) Proceso para preparar carboxamidas mediante hidrolisis de carbonitrilos en la presencia de un catalizador que comprende dioxido de manganesio.
MX2014009002A (es) Nuevo proceso para la preparacion de silices precipitadas.
EA201400192A1 (ru) Клетка, ферментирующая пентозы
UA109269C2 (uk) Незлежувана композиція хлориду калію, спосіб її отримання і застосування
MY158910A (en) Surface modified silicic acid semi-gels
NZ595833A (en) Method of producing a lipolytic enzyme
IN2014DN06539A (es)
WO2010058427A3 (en) Process for production and purification of polymyxin b sulfate
MX344498B (es) Procedimiento mejorado para preparar inhibidor de dipeptidil peptidasa-iv e intermediario.
GB201206791D0 (en) A pellet and a method of manufacturing glass

Legal Events

Date Code Title Description
FG Grant or registration