Modelling the behaviour of inorganic compounds in kraft recovery boilers

Jorma Jokiniemi, Paterson McKeough

Research output: Contribution to journalArticleProfessional

Abstract

Models have been developed to describe the behaviour of inorganic compounds in the kraft recovery boiler. This boiler, which is fuelled by concentrated spent pulping liquor (black liquor), is the heart of the chemical recovery cycle of the kraft pulping process. The models predict the effects of boiler operating parameters and of black liquor composition on the formation of ash deposits on heat-transfer surfaces. Information about the compositions and growth-rates of the deposits can, in turn, be used to reduce fouling and corrosion problems in the boilers. The extensive work associated with the development of the models described in this article has been funded by the Technology Development Centre (Tekes), by Ahiström Machinery, by Kvaerner Pulping and by VTT.
Original languageEnglish
Pages (from-to)19-22
JournalVTT Energy Highlights
Publication statusPublished - 1998
MoE publication typeD1 Article in a trade journal

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Inorganic compounds
Boilers
Recovery
Ashes
Deposits
Kraft process
Fouling
Chemical analysis
Machinery
Corrosion
Heat transfer

Cite this

Jokiniemi, Jorma ; McKeough, Paterson. / Modelling the behaviour of inorganic compounds in kraft recovery boilers. In: VTT Energy Highlights. 1998 ; pp. 19-22.
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abstract = "Models have been developed to describe the behaviour of inorganic compounds in the kraft recovery boiler. This boiler, which is fuelled by concentrated spent pulping liquor (black liquor), is the heart of the chemical recovery cycle of the kraft pulping process. The models predict the effects of boiler operating parameters and of black liquor composition on the formation of ash deposits on heat-transfer surfaces. Information about the compositions and growth-rates of the deposits can, in turn, be used to reduce fouling and corrosion problems in the boilers. The extensive work associated with the development of the models described in this article has been funded by the Technology Development Centre (Tekes), by Ahistr{\"o}m Machinery, by Kvaerner Pulping and by VTT.",
author = "Jorma Jokiniemi and Paterson McKeough",
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Modelling the behaviour of inorganic compounds in kraft recovery boilers. / Jokiniemi, Jorma; McKeough, Paterson.

In: VTT Energy Highlights, 1998, p. 19-22.

Research output: Contribution to journalArticleProfessional

TY - JOUR

T1 - Modelling the behaviour of inorganic compounds in kraft recovery boilers

AU - Jokiniemi, Jorma

AU - McKeough, Paterson

PY - 1998

Y1 - 1998

N2 - Models have been developed to describe the behaviour of inorganic compounds in the kraft recovery boiler. This boiler, which is fuelled by concentrated spent pulping liquor (black liquor), is the heart of the chemical recovery cycle of the kraft pulping process. The models predict the effects of boiler operating parameters and of black liquor composition on the formation of ash deposits on heat-transfer surfaces. Information about the compositions and growth-rates of the deposits can, in turn, be used to reduce fouling and corrosion problems in the boilers. The extensive work associated with the development of the models described in this article has been funded by the Technology Development Centre (Tekes), by Ahiström Machinery, by Kvaerner Pulping and by VTT.

AB - Models have been developed to describe the behaviour of inorganic compounds in the kraft recovery boiler. This boiler, which is fuelled by concentrated spent pulping liquor (black liquor), is the heart of the chemical recovery cycle of the kraft pulping process. The models predict the effects of boiler operating parameters and of black liquor composition on the formation of ash deposits on heat-transfer surfaces. Information about the compositions and growth-rates of the deposits can, in turn, be used to reduce fouling and corrosion problems in the boilers. The extensive work associated with the development of the models described in this article has been funded by the Technology Development Centre (Tekes), by Ahiström Machinery, by Kvaerner Pulping and by VTT.

M3 - Article

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EP - 22

JO - VTT Energy Highlights

JF - VTT Energy Highlights

ER -