GR1002882B - Method and arrangement for induced pulsing flow in trickle bed columns. - Google Patents

Method and arrangement for induced pulsing flow in trickle bed columns.

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Publication number
GR1002882B
GR1002882B GR970100020A GR970100020A GR1002882B GR 1002882 B GR1002882 B GR 1002882B GR 970100020 A GR970100020 A GR 970100020A GR 970100020 A GR970100020 A GR 970100020A GR 1002882 B GR1002882 B GR 1002882B
Authority
GR
Greece
Prior art keywords
liquid
flow
periodic
pulsing flow
trickle bed
Prior art date
Application number
GR970100020A
Other languages
Greek (el)
Inventor
Original Assignee
.
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 ., filed Critical .
Publication of GR1002882B publication Critical patent/GR1002882B/en

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Abstract

The invention refers to the induction of periodic flow of liquid in a two phase (liquid-gas) concurrent downwards, in a trickle bed column, with frequencies approaching those of the natural pulsing flow. In this manner the advantages of the pulsing flow are exploited in liquid flowrates lower than those corresponding to the usual process under steady conditions. The periodic (ON-OFF) liquid flow is effected with opening and shutting down of the feed rate, with a frequency in the region of 0.05 - 10 Hz. Apart from the periodic feed rate another steady liquid supply may exist, depending on the application. It has been experimentally observed that the periodic flow of liquid with frequencies hydrodynamically simulating the pulsing flow, increases the liquid-solid mass transfer rates resulting in an increase of the efficiency of the column.
GR970100020A 1997-01-23 1997-01-23 Method and arrangement for induced pulsing flow in trickle bed columns. GR1002882B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GR97100020 1997-01-23

Publications (1)

Publication Number Publication Date
GR1002882B true GR1002882B (en) 1998-03-24

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ID=10942871

Family Applications (1)

Application Number Title Priority Date Filing Date
GR970100020A GR1002882B (en) 1997-01-23 1997-01-23 Method and arrangement for induced pulsing flow in trickle bed columns.

Country Status (1)

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GR (1) GR1002882B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB995767A (en) * 1962-08-22 1965-06-23 Apv Co Ltd Improvements in and relating to arrangements for contacting liquids
GB1362071A (en) * 1970-08-14 1974-07-30 Basf Ag Process for carrying out gas/liquid exothermic reactions
EP0150835A2 (en) * 1984-01-27 1985-08-07 Paul Dipl.-Ing. Bonsels Process for the oxidation of liquid organic substances

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB995767A (en) * 1962-08-22 1965-06-23 Apv Co Ltd Improvements in and relating to arrangements for contacting liquids
GB1362071A (en) * 1970-08-14 1974-07-30 Basf Ag Process for carrying out gas/liquid exothermic reactions
EP0150835A2 (en) * 1984-01-27 1985-08-07 Paul Dipl.-Ing. Bonsels Process for the oxidation of liquid organic substances

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
N.A.TSOCHATZIDIS & A.J.KARABELAS: "Experiments in Trickle Beds at the Micro- and Macroscale. Flow Characterization and Onset of Pulsing", INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH., vol. 33, no. 5, 1994, WASHINGTON US, pages 1299 - 1309, XP002043253 *
N.A.TSOCHATZIDIS, A.J.KARABELAS & A.A.DRINKENBURG: "Pulsing Flow in Packed Beds. A Method of Process Intensification.", PROCEEDINGS 1ST INTERNATIONAL CONFERENCE ON PROCESS INTENSIFICATION FOR THE CHEMICAL INDUSTRY, 6 December 1995 (1995-12-06) - 8 December 1995 (1995-12-08), BHR GROUP LIMITED, ANTWERP, BE, pages 63 - 80, XP002043252 *

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