Effect of mixing and particle size on calcination and sulphation of limestones in an isothermal flow reactor

Jouko Hepola

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Effects of mixing and particle size on the results of sorbent calcination and sulphation experiments conducted in the isothermal flow reactor of the Technical Research Centre of Finland (VTT) are discussed. Experimental and theoretical calculations showed that the effect of sorbent mixing conditions in the reactor cannot be ignored when evaluating a short-time, high-temperature sulphation process. Recirculation of the sorbent back into the reactor increased its reactivity. The reactivity was affected by both gas and solid mixing, especially at the throat of the reactor tube, and by the particle size, due to fragmentation and agglomeration of particles during the experiments.
Original languageEnglish
Pages (from-to)313-326
Number of pages14
JournalSolid State Ionics
Volume52
Issue number4
DOIs
Publication statusPublished - 1992
MoE publication typeA1 Journal article-refereed

Fingerprint

sulfation
isothermal flow
Calcium Carbonate
limestone
Sorbents
Limestone
Calcination
roasting
sorbents
Particle size
reactors
reactivity
Finland
throats
Agglomeration
agglomeration
Gases
Experiments
fragmentation
tubes

Cite this

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title = "Effect of mixing and particle size on calcination and sulphation of limestones in an isothermal flow reactor",
abstract = "Effects of mixing and particle size on the results of sorbent calcination and sulphation experiments conducted in the isothermal flow reactor of the Technical Research Centre of Finland (VTT) are discussed. Experimental and theoretical calculations showed that the effect of sorbent mixing conditions in the reactor cannot be ignored when evaluating a short-time, high-temperature sulphation process. Recirculation of the sorbent back into the reactor increased its reactivity. The reactivity was affected by both gas and solid mixing, especially at the throat of the reactor tube, and by the particle size, due to fragmentation and agglomeration of particles during the experiments.",
author = "Jouko Hepola",
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journal = "Solid State Ionics",
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Effect of mixing and particle size on calcination and sulphation of limestones in an isothermal flow reactor. / Hepola, Jouko.

In: Solid State Ionics, Vol. 52, No. 4, 1992, p. 313-326.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Effect of mixing and particle size on calcination and sulphation of limestones in an isothermal flow reactor

AU - Hepola, Jouko

N1 - Project code: pov2005

PY - 1992

Y1 - 1992

N2 - Effects of mixing and particle size on the results of sorbent calcination and sulphation experiments conducted in the isothermal flow reactor of the Technical Research Centre of Finland (VTT) are discussed. Experimental and theoretical calculations showed that the effect of sorbent mixing conditions in the reactor cannot be ignored when evaluating a short-time, high-temperature sulphation process. Recirculation of the sorbent back into the reactor increased its reactivity. The reactivity was affected by both gas and solid mixing, especially at the throat of the reactor tube, and by the particle size, due to fragmentation and agglomeration of particles during the experiments.

AB - Effects of mixing and particle size on the results of sorbent calcination and sulphation experiments conducted in the isothermal flow reactor of the Technical Research Centre of Finland (VTT) are discussed. Experimental and theoretical calculations showed that the effect of sorbent mixing conditions in the reactor cannot be ignored when evaluating a short-time, high-temperature sulphation process. Recirculation of the sorbent back into the reactor increased its reactivity. The reactivity was affected by both gas and solid mixing, especially at the throat of the reactor tube, and by the particle size, due to fragmentation and agglomeration of particles during the experiments.

U2 - 10.1016/0167-2738(92)90178-R

DO - 10.1016/0167-2738(92)90178-R

M3 - Article

VL - 52

SP - 313

EP - 326

JO - Solid State Ionics

JF - Solid State Ionics

SN - 0167-2738

IS - 4

ER -