GB1511720A – Sprayable precipitated-silica suspension
– Google Patents
GB1511720A – Sprayable precipitated-silica suspension
– Google Patents
Sprayable precipitated-silica suspension
Info
Publication number
GB1511720A
GB1511720A
GB39504/75A
GB3950475A
GB1511720A
GB 1511720 A
GB1511720 A
GB 1511720A
GB 39504/75 A
GB39504/75 A
GB 39504/75A
GB 3950475 A
GB3950475 A
GB 3950475A
GB 1511720 A
GB1511720 A
GB 1511720A
Authority
GB
United Kingdom
Prior art keywords
suspension
silica
stirrer
vessel
diameter
Prior art date
1974-10-05
Legal status (The legal status 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 status listed.)
Expired
Application number
GB39504/75A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
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.)
1974-10-05
Filing date
1975-09-26
Publication date
1978-05-24
1974-10-05
Priority claimed from DE19742447613
external-priority
patent/DE2447613C3/en
1975-09-26
Application filed by Degussa GmbH
filed
Critical
Degussa GmbH
1978-05-24
Publication of GB1511720A
publication
Critical
patent/GB1511720A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
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
C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
Abstract
1511720 Silica suspensions DEUTSCHE GOLDUND SILBER-SCHEIDEANSTALT 26 Sept 1975 [5 Oct 1974] 39504/75 Heading C1A A silica suspension of at least 12% solids is prepared by continuously introducing a silica filter cake and a suspending agent (e.g. dilute aqueous acid) into a vessel with a stirrer, the ratio of vessel diameter to diameter of the widest part of the stirrer being at most 3:1, the ratio of vessel diameter to filling level being at least 1:2, and the vessel containing at least 1À5 kg. of silica suspension per kg. of filter cake input; stirring the suspension with the stirrer having a peripheral speed of 20-30 m./sec., the suspension having a pH of at most 4; and removing suspension from the zone of maximum turbulence.
GB39504/75A
1974-10-05
1975-09-26
Sprayable precipitated-silica suspension
Expired
GB1511720A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
DE19742447613
DE2447613C3
(en)
1974-10-05
Process for the production of a sprayable precipitated silica suspension
Publications (1)
Publication Number
Publication Date
GB1511720A
true
GB1511720A
(en)
1978-05-24
Family
ID=5927651
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB39504/75A
Expired
GB1511720A
(en)
1974-10-05
1975-09-26
Sprayable precipitated-silica suspension
Country Status (8)
Country
Link
JP
(1)
JPS589765B2
(en)
BE
(1)
BE834209A
(en)
CA
(1)
CA1061056A
(en)
ES
(1)
ES441516A1
(en)
FR
(1)
FR2286793A1
(en)
GB
(1)
GB1511720A
(en)
IT
(1)
IT1047273B
(en)
NL
(1)
NL7511660A
(en)
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US5906843A
(en)
*
1995-04-19
1999-05-25
Ppg Industries, Inc.
Amorphous precipitated silica having large liquid carrying capacity
RU2578302C1
(en)
*
2012-03-22
2016-03-27
Родиа Операсьон
Method of obtaining precipitated silicon dioxide with application of mixer or extruder
Families Citing this family (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2453880A1
(en)
*
1979-04-13
1980-11-07
Rhone Poulenc Ind
NOVEL SILICA-BASED PIGMENT IN BALL FORM, PROCESS FOR OBTAINING THE SAME AND APPLICATION, IN PARTICULAR AS REINFORCING FILLER IN ELASTOMERS
FR2536380B1
(en)
*
1982-11-24
1985-12-13
Rhone Poulenc Chim Base
PROCESS FOR IMPROVING THE RHEOLOGICAL PROPERTIES OF A PRECIPITATED SILICA SUSPENSION
DE19807700A1
(en)
*
1998-02-24
1999-08-26
Degussa
Precipitated silica granules
1975
1975-09-26
GB
GB39504/75A
patent/GB1511720A/en
not_active
Expired
1975-10-02
FR
FR7530252A
patent/FR2286793A1/en
active
Granted
1975-10-03
BE
BE6045202A
patent/BE834209A/en
not_active
IP Right Cessation
1975-10-03
IT
IT69462/75A
patent/IT1047273B/en
active
1975-10-03
CA
CA236,993A
patent/CA1061056A/en
not_active
Expired
1975-10-03
NL
NL7511660A
patent/NL7511660A/en
active
Search and Examination
1975-10-04
ES
ES441516A
patent/ES441516A1/en
not_active
Expired
1975-10-06
JP
JP50120560A
patent/JPS589765B2/en
not_active
Expired
Cited By (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US5906843A
(en)
*
1995-04-19
1999-05-25
Ppg Industries, Inc.
Amorphous precipitated silica having large liquid carrying capacity
RU2578302C1
(en)
*
2012-03-22
2016-03-27
Родиа Операсьон
Method of obtaining precipitated silicon dioxide with application of mixer or extruder
US10246338B2
(en)
2012-03-22
2019-04-02
Rhodia Operations
Process for preparing precipitated silica using a mixer or extruder
Also Published As
Publication number
Publication date
IT1047273B
(en)
1980-09-10
FR2286793B1
(en)
1978-04-07
ES441516A1
(en)
1977-04-01
CA1061056A
(en)
1979-08-28
DE2447613B2
(en)
1976-08-26
BE834209A
(en)
1976-04-05
JPS589765B2
(en)
1983-02-22
FR2286793A1
(en)
1976-04-30
JPS5163396A
(en)
1976-06-01
NL7511660A
(en)
1976-04-07
DE2447613A1
(en)
1976-04-08
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Legal Events
Date
Code
Title
Description
1978-09-27
PS
Patent sealed [section 19, patents act 1949]
1995-10-25
PE20
Patent expired after termination of 20 years
Effective date:
19950925
