DE2924029A1 - Verfahren zur herstellung von sphaeroidisch geformten, bei raumtemperatur festen produkten - Google Patents

Verfahren zur herstellung von sphaeroidisch geformten, bei raumtemperatur festen produkten

Info

Publication number
DE2924029A1
DE2924029A1 DE19792924029 DE2924029A DE2924029A1 DE 2924029 A1 DE2924029 A1 DE 2924029A1 DE 19792924029 DE19792924029 DE 19792924029 DE 2924029 A DE2924029 A DE 2924029A DE 2924029 A1 DE2924029 A1 DE 2924029A1
Authority
DE
Germany
Prior art keywords
phase
microns
tube
mixture
liquid
Prior art date
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.)
Granted
Application number
DE19792924029
Other languages
German (de)
English (en)
Other versions
DE2924029C2 (enExample
Inventor
Mario Dr Ferraris
Francesco Rosati
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.)
Montedison SpA
Original Assignee
Montedison 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 Montedison SpA filed Critical Montedison SpA
Publication of DE2924029A1 publication Critical patent/DE2924029A1/de
Application granted granted Critical
Publication of DE2924029C2 publication Critical patent/DE2924029C2/de
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • 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
    • B01J19/1862—Stationary reactors having moving elements inside placed in series
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C9/00—Fertilisers containing urea or urea compounds
    • C05C9/005—Post-treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/02—Carriers therefor
    • C08F4/022—Magnesium halide as support anhydrous or hydrated or complexed by means of a Lewis base for Ziegler-type catalysts
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00094—Jackets
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00099—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor the reactor being immersed in the heat exchange medium
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/19—Details relating to the geometry of the reactor
    • B01J2219/194—Details relating to the geometry of the reactor round
    • B01J2219/1941—Details relating to the geometry of the reactor round circular or disk-shaped
    • B01J2219/1942—Details relating to the geometry of the reactor round circular or disk-shaped spherical
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/51—Spheres

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Colloid Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Glanulating (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Fertilizers (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Medicinal Preparation (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Seasonings (AREA)
DE19792924029 1978-06-13 1979-06-13 Verfahren zur herstellung von sphaeroidisch geformten, bei raumtemperatur festen produkten Granted DE2924029A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT24509/78A IT1096661B (it) 1978-06-13 1978-06-13 Procedimento per la preparazione di prodotti in forma sferoidale solidi a temperatura ambiente

Publications (2)

Publication Number Publication Date
DE2924029A1 true DE2924029A1 (de) 1979-12-20
DE2924029C2 DE2924029C2 (enExample) 1987-06-25

Family

ID=11213791

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792924029 Granted DE2924029A1 (de) 1978-06-13 1979-06-13 Verfahren zur herstellung von sphaeroidisch geformten, bei raumtemperatur festen produkten

Country Status (26)

Country Link
US (1) US4469648A (enExample)
JP (1) JPS5518294A (enExample)
AR (1) AR220395A1 (enExample)
AT (1) AT365096B (enExample)
AU (1) AU530494B2 (enExample)
BE (1) BE876920A (enExample)
BR (1) BR7903724A (enExample)
CA (1) CA1130518A (enExample)
CH (1) CH641686A5 (enExample)
DE (1) DE2924029A1 (enExample)
DK (1) DK150784C (enExample)
ES (1) ES481466A1 (enExample)
FI (1) FI67788C (enExample)
FR (1) FR2428464A1 (enExample)
GB (2) GB2024215B (enExample)
GR (1) GR72467B (enExample)
IN (1) IN151519B (enExample)
IT (1) IT1096661B (enExample)
MX (1) MX152552A (enExample)
NL (1) NL191381C (enExample)
NO (1) NO148283C (enExample)
PH (1) PH18077A (enExample)
PT (1) PT69758A (enExample)
SE (1) SE437476B (enExample)
SU (1) SU1111678A3 (enExample)
ZA (1) ZA792937B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0953555A1 (de) * 1998-04-16 1999-11-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung von Partikeln schmelzfähiger Treib- und Explosivstoffe
EP2666791A1 (en) 2012-05-25 2013-11-27 Clariant Produkte (Deutschland) GmbH Method for adjusting the average particle size of a spherical catalyst support

Families Citing this family (328)

* Cited by examiner, † Cited by third party
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CH658106A5 (de) * 1982-07-19 1986-10-15 Sulzer Ag Kolbenbrennkraftmaschine mit einem geschlitzten kolbenring.
FR2586205B1 (fr) * 1985-08-13 1987-12-11 Atochem Procede de fabrication de particules spheriques de composes de metaux du groupe ii
GB8708778D0 (en) * 1987-04-13 1987-05-20 Ici Plc Particulate solid
JPS6444350U (enExample) * 1987-09-10 1989-03-16
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IT1254474B (it) * 1992-02-28 1995-09-25 Montecatini Tecnologie Srl Processo per la preparazione di copolimeri elastomerici dell'etilene
IT1256403B (it) * 1992-08-18 1995-12-05 Montecatini Tecnologie Srl Componenti e catalizzatori a base di vanadio per la polimerizzazione di olefine,e processi di polimerizzazione impieganti gli stessi
IT1256648B (it) 1992-12-11 1995-12-12 Montecatini Tecnologie Srl Componenti e catalizzatori per la polimerizzazione delle olefine
US5500161A (en) * 1993-09-21 1996-03-19 Massachusetts Institute Of Technology And Virus Research Institute Method for making hydrophobic polymeric microparticles
JP3471099B2 (ja) * 1994-11-25 2003-11-25 昭和電工株式会社 オレフィン重合用触媒担体の製造方法
US5500396A (en) * 1995-02-09 1996-03-19 Phillips Petroleum Company Process to make small, discrete, spherical adducts
IT1275412B (it) * 1995-06-01 1997-08-05 Enichem Spa Procedimento per la preparazione di ossidi misti silice-allumina porosi in forma sferica
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FR2428464B1 (enExample) 1983-05-06
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FI67788B (fi) 1985-02-28
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BE876920A (fr) 1979-12-12
FI67788C (fi) 1985-06-10
JPS5518294A (en) 1980-02-08
PH18077A (en) 1985-03-18
NO148283C (no) 1983-09-14
NL7904536A (nl) 1979-12-17
MX152552A (es) 1985-08-23
IT7824509A0 (it) 1978-06-13
CH641686A5 (it) 1984-03-15
IT1096661B (it) 1985-08-26
GB2056987B (en) 1983-01-19
NL191381B (nl) 1995-02-01
BR7903724A (pt) 1980-02-05
DK150784B (da) 1987-06-22
GR72467B (enExample) 1983-11-10
AU530494B2 (en) 1983-07-21
ATA416379A (de) 1981-05-15
DK150784C (da) 1988-01-11
GB2024215A (en) 1980-01-09
SE7905027L (sv) 1979-12-14
GB2056987A (en) 1981-03-25
CA1130518A (en) 1982-08-31
NO148283B (no) 1983-06-06
AU4797379A (en) 1979-12-20
DE2924029C2 (enExample) 1987-06-25
NO791967L (no) 1979-12-14
PT69758A (en) 1979-07-01
GB2024215B (en) 1982-10-27
SU1111678A3 (ru) 1984-08-30
SE437476B (sv) 1985-03-04
IN151519B (enExample) 1983-05-14
JPS6332496B2 (enExample) 1988-06-30
US4469648A (en) 1984-09-04
AT365096B (de) 1981-12-10
FR2428464A1 (fr) 1980-01-11
NL191381C (nl) 1995-07-03
DK239779A (da) 1979-12-14
FI791840A7 (fi) 1979-12-14

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