DK0598318T3 - Fremgangsmåde til fremstilling af et kugleformet granulat af pulverformede faststoffer - Google Patents

Fremgangsmåde til fremstilling af et kugleformet granulat af pulverformede faststoffer

Info

Publication number
DK0598318T3
DK0598318T3 DK93118198T DK93118198T DK0598318T3 DK 0598318 T3 DK0598318 T3 DK 0598318T3 DK 93118198 T DK93118198 T DK 93118198T DK 93118198 T DK93118198 T DK 93118198T DK 0598318 T3 DK0598318 T3 DK 0598318T3
Authority
DK
Denmark
Prior art keywords
solids
producing
spherical granule
powdered solids
pulverulent
Prior art date
Application number
DK93118198T
Other languages
English (en)
Inventor
Claas-Juergen Dr Klasen
Martin Dr Foerster
Andreas Dr Hoefler
Klaus-Peter Bauer
Herbert Dr Riemenschneider
Oliver Franta
Rainer Gilg
Original Assignee
Degussa
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
Priority claimed from DE4336548A external-priority patent/DE4336548C2/de
Application filed by Degussa filed Critical Degussa
Application granted granted Critical
Publication of DK0598318T3 publication Critical patent/DK0598318T3/da

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02Inorganic compounds ; Elemental compounds
    • C11D3/12Water-insoluble compounds
    • C11D3/124Silicon containing, e.g. silica, silex, quartz or glass beads
    • C11D3/1246Silicates, e.g. diatomaceous earth
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/20Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by expressing the material, e.g. through sieves and fragmenting the extruded length
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/18Carbon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0063Granulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/80Component parts, details or accessories; Auxiliary operations
    • B29B7/88Adding charges, i.e. additives
    • B29B7/885Adding charges, i.e. additives with means for treating, e.g. milling, the charges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B11/00Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/20Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with the inner surface of the ring
    • B30B11/201Roller-and-ring machines, i.e. with roller disposed within a ring and co-operating with the inner surface of the ring for extruding material
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/113Silicon oxides; Hydrates thereof
    • C01B33/12Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C01B33/181Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process
    • C01B33/183Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by oxidation or hydrolysis in the vapour phase of silicon compounds such as halides, trichlorosilane, monosilane
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT 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
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/44Carbon
    • C09C1/48Carbon black
    • C09C1/56Treatment of carbon black ; Purification
    • C09C1/58Agglomerating, pelleting, or the like by wet methods
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D17/00Pigment pastes, e.g. for mixing in paints
    • C09D17/004Pigment pastes, e.g. for mixing in paints containing an inorganic pigment
    • C09D17/005Carbon black
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D11/00Special methods for preparing compositions containing mixtures of detergents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00Making granules
    • B29B9/08Making granules by agglomerating smaller particles
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/30Particle morphology extending in three dimensions
    • C01P2004/32Spheres
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/50Agglomerated particles
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/51Particles with a specific particle size distribution
    • C01P2004/52Particles with a specific particle size distribution highly monodisperse size distribution
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/61Micrometer sized, i.e. from 1-100 micrometer
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/11Powder tap density
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/19Oil-absorption capacity, e.g. DBP values
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/21Attrition-index or crushing strength of granulates
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/101Aggregate and pellet

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • Medicinal Preparation (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Glanulating (AREA)
  • Detergent Compositions (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DK93118198T 1992-11-14 1993-11-10 Fremgangsmåde til fremstilling af et kugleformet granulat af pulverformede faststoffer DK0598318T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4238495 1992-11-14
DE4336548A DE4336548C2 (de) 1992-11-14 1993-10-27 Verfahren zur Herstellung kugelförmiger Granulate aus pulverförmigen Feststoffen

Publications (1)

Publication Number Publication Date
DK0598318T3 true DK0598318T3 (da) 1999-11-29

Family

ID=25920453

Family Applications (1)

Application Number Title Priority Date Filing Date
DK93118198T DK0598318T3 (da) 1992-11-14 1993-11-10 Fremgangsmåde til fremstilling af et kugleformet granulat af pulverformede faststoffer

Country Status (6)

Country Link
US (1) US5480626A (da)
EP (1) EP0598318B1 (da)
JP (1) JPH06296851A (da)
AT (2) ATE190346T1 (da)
DK (1) DK0598318T3 (da)
ES (1) ES2136109T3 (da)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0725037B2 (de) * 1995-02-04 2012-04-25 Evonik Degussa GmbH Granulate auf Basis von pyrogen hergestelltem Siliciumdioxid, Verfahren zu ihrer Herstellung und ihre Verwendung
DE69611984T2 (de) * 1996-01-19 2001-06-13 Denki Kagaku Kogyo Kk Acetylenruss, seine Herstellung und seine Verwendung
US5847294A (en) * 1996-04-09 1998-12-08 Amherst Process Instruments, Inc. Apparatus for determining powder flowability
US5872171A (en) * 1997-04-10 1999-02-16 Bridgestone/Firestone, Inc. Silica containing tire compositions for suppression of static charge accumulation
US7226966B2 (en) * 2001-08-03 2007-06-05 Nanogram Corporation Structures incorporating polymer-inorganic particle blends
US6111008A (en) * 1997-09-25 2000-08-29 The Goodyear Tire & Rubber Company Tire with silica reinforced tread which contains specified carbon black
US6562120B2 (en) * 1998-09-08 2003-05-13 Elementis Uk Limited Granular pigments
JP4428473B2 (ja) 1999-01-18 2010-03-10 株式会社東芝 気相法無機酸化物粒子の含水固体状物質及び研磨用スラリーの製造方法
DE19959002C2 (de) * 1999-12-08 2002-12-05 Henkel Kgaa Verfahren zur Herstellung von verdichteten Teilchen
US7148285B2 (en) 2001-05-11 2006-12-12 Cabot Corporation Coated carbon black pellets and methods of making same
DE10163179A1 (de) * 2001-12-21 2003-07-10 Degussa Granulate auf Basis von pyrogen hergestelltem Siliziumdioxid, Verfahren zu ihrer Herstellung und ihre Verwendung
DE10309957A1 (de) * 2003-03-07 2004-09-23 Degussa Ag Rußperlen
US20040197924A1 (en) * 2003-04-01 2004-10-07 Murphy Lawrence J. Liquid absorptometry method of providing product consistency
US7000457B2 (en) * 2003-04-01 2006-02-21 Cabot Corporation Methods to control and/or predict rheological properties
US7776603B2 (en) * 2003-04-01 2010-08-17 Cabot Corporation Methods of specifying or identifying particulate material
US7776604B2 (en) * 2003-04-01 2010-08-17 Cabot Corporation Methods of selecting and developing a particulate material
US7776602B2 (en) * 2003-04-01 2010-08-17 Cabot Corporation Methods of providing product consistency
DE10350188A1 (de) * 2003-10-28 2005-06-16 Degussa Ag Rußgranulate
JP5460961B2 (ja) * 2004-09-30 2014-04-02 キャボット コーポレイション シリカの製造方法
US7722713B2 (en) * 2005-05-17 2010-05-25 Cabot Corporation Carbon blacks and polymers containing the same
DE102005061965A1 (de) * 2005-12-23 2007-07-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Oxidische Agglomeratpartikel, Verfahren zur Herstellung von Nanokompositen sowie deren Verwendung
IT1391567B1 (it) * 2008-09-04 2012-01-11 Caeb Internat S R L Macchina per la produzione di pellets
MX2019008506A (es) * 2017-01-24 2019-10-30 Omnigen Res L L C Suplemento de alimento granulado y metodos para elaboracion y uso.
WO2018140815A1 (en) 2017-01-26 2018-08-02 Solomon Colors, Inc. Pigment granulation process and method of use for coloring building materials
JP6849460B2 (ja) * 2017-02-03 2021-03-24 株式会社神戸製鋼所 粉末冶金用混合粉末及びその製造方法
US11390524B2 (en) 2017-02-08 2022-07-19 National Electrical Carbon Products, Inc. Carbon powders and methods of making same
US11767495B2 (en) * 2020-03-13 2023-09-26 YFY Consumer Products, Co. Systems and methods for manufacturing solid granules
CN112537072A (zh) * 2020-11-19 2021-03-23 孟繁军 一种秸秆成型压块机

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2283364A (en) * 1938-04-29 1942-05-19 United Carbon Company Inc Process for agglomerating carbon black
US2256949A (en) * 1939-07-14 1941-09-23 Continental Carbon Co Scraper for carbon black drum
US2422989A (en) * 1944-12-21 1947-06-24 United Carbon Company Inc Rotary pelleting of furnace blacks
US2638625A (en) * 1948-06-14 1953-05-19 Phillips Petroleum Co Apparatus for pelleting carbon black
US2834991A (en) * 1954-01-15 1958-05-20 Goodyear Tire & Rubber Method of preparing compounding ingredients for rubber
US2771347A (en) * 1954-01-25 1956-11-20 Cabot Godfrey L Inc Densification of ink grade carbon blacks
US3287480A (en) * 1964-03-31 1966-11-22 Borden Co Pelletizing plastics
DE1224859B (de) * 1965-04-17 1966-09-15 Degussa Verfahren zum Herstellen von Perlruss
FR1572307A (da) * 1968-04-01 1969-06-27
US3607086A (en) * 1970-02-24 1971-09-21 George W Dingus Apparatus for wet-pelletizing carbon black
US3602437A (en) * 1970-03-02 1971-08-31 Cities Service Co Attritioning of carbon black
US3787161A (en) * 1972-05-25 1974-01-22 Boardman Co Carbon black pelletizer
US4005170A (en) * 1973-09-14 1977-01-25 Cabot Corporation Preparation of pelletized carbon blacks
US4075156A (en) * 1976-04-30 1978-02-21 Phillips Petroleum Company Production of non-carcinogenic large particle carbon black
US4238199A (en) * 1977-01-26 1980-12-09 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler Process for the control of the ratio DBP number/DBP number after pressing in the manufacture of carbon black pellets
US4117065A (en) * 1977-05-02 1978-09-26 Exxon Research & Engineering Co. Method of forming conductive carbon-plastic material
US4228143A (en) * 1978-02-22 1980-10-14 Phillips Petroleum Company Method of producing pelleted carbon black
JPS5651957Y2 (da) * 1978-05-11 1981-12-04
DE2908202A1 (de) * 1979-03-02 1980-10-30 Degussa Verfahren zur herstellung von wasserhaltigen russpraeparationen
US4246251A (en) * 1979-04-23 1981-01-20 Sid Richardson Carbon & Gasoline Company Method of producing carbon black
US4374113A (en) * 1979-08-01 1983-02-15 Cabot Corporation Production of high surface area carbon blacks
SU844379A2 (ru) * 1979-11-30 1981-07-07 Рязанский Сельскохозяйственный Институтим. Проф. П.A. Костычева Брикетный пресс
JPS5845103A (ja) * 1981-09-12 1983-03-16 Hitachi Chem Co Ltd 炭素球及び黒鉛球
NL8201928A (nl) * 1981-10-30 1983-05-16 Chemische Ind En Handelmaatsch Werkwijze voor het bereiden van een korrelvormig mengsel van toevoegsels voor de kunststofindustie door dergelijke toevoegsels te mengen en vervolgens tot een korrelvorm te verwerken.
US4569834A (en) * 1984-05-24 1986-02-11 Continental Carbon Company Carbon black pellets having enhanced dispersion properties
SU1253815A1 (ru) * 1985-02-19 1986-08-30 Оренбургский политехнический институт Матрица пресс-гранул тора
US4789321A (en) * 1988-03-14 1988-12-06 Dingus George W Carbon black pelletizer
JPH07754B2 (ja) * 1989-05-23 1995-01-11 昭和キャボット株式会社 高比表面積を有するカーボンブラックおよびゴム組成物
DE3908022C1 (da) * 1988-09-23 1990-03-29 Degussa Ag, 6000 Frankfurt, De
JP2674602B2 (ja) * 1988-11-25 1997-11-12 三菱化学株式会社 易分散性カーボンブラック
CH681969A5 (da) * 1990-08-20 1993-06-30 Buehler Ag
US5229452A (en) * 1991-11-13 1993-07-20 Cabot Corporation Carbon blacks

Also Published As

Publication number Publication date
US5480626A (en) 1996-01-02
JPH06296851A (ja) 1994-10-25
ATE190346T1 (de) 2000-03-15
EP0598318B1 (de) 1999-07-28
ES2136109T3 (es) 1999-11-16
EP0598318A1 (de) 1994-05-25
ATE182484T1 (de) 1999-08-15

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