IT1307743B1 - Procedimento per la preparazione di silice a partire da silicati dicalcio. - Google Patents

Procedimento per la preparazione di silice a partire da silicati dicalcio.

Info

Publication number
IT1307743B1
IT1307743B1 ITMI990197A IT1307743B1 IT 1307743 B1 IT1307743 B1 IT 1307743B1 IT MI990197 A ITMI990197 A IT MI990197A IT 1307743 B1 IT1307743 B1 IT 1307743B1
Authority
IT
Italy
Prior art keywords
procedure
silicati
dicalcio
preparation
silica starting
Prior art date
Application number
Other languages
English (en)
Inventor
Marco Tiziana De
Paolo Gronchi
Luigi Cassar
Original Assignee
Italcementi Spa
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 Italcementi Spa filed Critical Italcementi Spa
Priority to IT1999MI000197 priority Critical patent/IT1307743B1/it
Priority to DE60017085T priority patent/DE60017085D1/de
Priority to ES00906254T priority patent/ES2234567T3/es
Priority to PCT/EP2000/000757 priority patent/WO2000046149A1/en
Priority to US09/890,515 priority patent/US6716408B1/en
Priority to EP00906254A priority patent/EP1149047B1/en
Priority to AU28001/00A priority patent/AU2800100A/en
Priority to AT00906254T priority patent/ATE285991T1/de
Publication of ITMI990197A1 publication Critical patent/ITMI990197A1/it
Application granted granted Critical
Publication of IT1307743B1 publication Critical patent/IT1307743B1/it

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
    • C01B33/126—Preparation of silica of undetermined type
    • C01B33/128—Preparation of silica of undetermined type by acidic treatment of aqueous silicate solutions
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/18—Carbonates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/06—Quartz; Sand
    • C04B14/062—Microsilica, e.g. colloïdal silica
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028—Aspects relating to the mixing step of the mortar preparation
    • C04B40/0039—Premixtures of ingredients
    • C04B40/0042—Powdery mixtures
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/28—Compounds of silicon
    • C09C1/30—Silicic acid
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/02—Amorphous compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
IT1999MI000197 1999-02-03 1999-02-03 Procedimento per la preparazione di silice a partire da silicati dicalcio. IT1307743B1 (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT1999MI000197 IT1307743B1 (it) 1999-02-03 1999-02-03 Procedimento per la preparazione di silice a partire da silicati dicalcio.
DE60017085T DE60017085D1 (de) 1999-02-03 2000-02-01 Verfahren zur herstellung von kieselsäure aus kalziumsilikat
ES00906254T ES2234567T3 (es) 1999-02-03 2000-02-01 Procedimiento para la preparacion de silice a partir de silicato de calcio.
PCT/EP2000/000757 WO2000046149A1 (en) 1999-02-03 2000-02-01 Procedure for preparing silica from calcium silicate
US09/890,515 US6716408B1 (en) 1999-02-03 2000-02-01 Procedure for preparing silica from calcium silicate
EP00906254A EP1149047B1 (en) 1999-02-03 2000-02-01 Procedure for preparing silica from calcium silicate
AU28001/00A AU2800100A (en) 1999-02-03 2000-02-01 Procedure for preparing silica from calcium silicate
AT00906254T ATE285991T1 (de) 1999-02-03 2000-02-01 Verfahren zur herstellung von kieselsäure aus kalziumsilikat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999MI000197 IT1307743B1 (it) 1999-02-03 1999-02-03 Procedimento per la preparazione di silice a partire da silicati dicalcio.

Publications (2)

Publication Number Publication Date
ITMI990197A1 ITMI990197A1 (it) 2000-08-03
IT1307743B1 true IT1307743B1 (it) 2001-11-19

Family

ID=11381721

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999MI000197 IT1307743B1 (it) 1999-02-03 1999-02-03 Procedimento per la preparazione di silice a partire da silicati dicalcio.

Country Status (8)

Country Link
US (1) US6716408B1 (it)
EP (1) EP1149047B1 (it)
AT (1) ATE285991T1 (it)
AU (1) AU2800100A (it)
DE (1) DE60017085D1 (it)
ES (1) ES2234567T3 (it)
IT (1) IT1307743B1 (it)
WO (1) WO2000046149A1 (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1318642B1 (it) * 2000-07-25 2003-08-27 Italcementi Spa Agente coesivizzante inorganico per impasti cementizi autocompattanti.
EP1379469B1 (en) * 2001-04-20 2006-03-01 Shell Internationale Researchmaatschappij B.V. Process for mineral carbonation with carbon dioxide
EP1836127A1 (en) * 2004-07-19 2007-09-26 Shell Internationale Research Maatschappij B.V. Process for producing cac03 or mgc03
CN101312784B (zh) 2005-11-23 2011-06-22 国际壳牌研究有限公司 通过矿物碳酸盐化隔离二氧化碳的方法
FR2957914B1 (fr) * 2010-03-25 2015-05-15 Rhodia Operations Nouveau procede de preparation de silices precipitees contenant de l'aluminium
NL2004851C2 (nl) * 2010-06-08 2011-12-12 Rijnsburger Holding B V Werkwijze voor het omzetten van metaalhoudende silicaatmineralen tot siliciumverbindingen en metaalverbindingen.
EP4294773A1 (en) * 2021-02-22 2023-12-27 Solidia Technologies, Inc. Production of supplementary cementitious materials through wet carbonation method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE420596B (sv) 1975-03-25 1981-10-19 Osaka Packing Formad kropp av amorf kiseldioxid, eventuellt innehallande kalciumkarbonat, sett att framstella en formad kropp av amorf kiseldioxid samt partikel av amorf kiseldioxid for framstellning av en formad kropp
CA1122779A (en) * 1975-03-25 1982-05-04 Akira Takahashi Amorphous silica, products thereof and methods of preparing the same
JPS51129424A (en) * 1975-03-27 1976-11-11 Osaka Patsukingu Seizoushiyo K Manufacturing of plastic compound particles of silicaacalcium carbonate
DE2609831B2 (de) * 1976-03-10 1979-05-23 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Verfahren zur Aufbereitung von Siliciumdioxid enthaltenden Abfallflugstäuben zu Fällungskieselsäuren und Silikaten
JPS52126695A (en) * 1976-04-16 1977-10-24 Osaka Patsukingu Seizoushiyo K Crystatallic appearance amorphus silica and method of producing same
ATE84768T1 (de) * 1985-10-29 1993-02-15 Redco Nv Aluminiumoxyd enthaltende kieselerdeteilchen, verfahren zu ihrer herstellung und deren verwendung.
US5595717A (en) * 1989-03-23 1997-01-21 Tasman Pulp & Paper Co., Limited Controlled precipitation of amorphous silica from geothermal fluids or other aqueous media containing silicic acid
JPH06102533B2 (ja) 1990-11-30 1994-12-14 日本インシュレーション株式会社 シリカゲル成形体の製造方法
MY117802A (en) * 1997-06-13 2004-08-30 Mizusawa Industrial Chem Amorphous silica particles having a double structure, process for producing the same and use

Also Published As

Publication number Publication date
ITMI990197A1 (it) 2000-08-03
ES2234567T3 (es) 2005-07-01
EP1149047B1 (en) 2004-12-29
DE60017085D1 (de) 2005-02-03
US6716408B1 (en) 2004-04-06
AU2800100A (en) 2000-08-25
ATE285991T1 (de) 2005-01-15
EP1149047A1 (en) 2001-10-31
WO2000046149A1 (en) 2000-08-10

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