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Simulation and design of distillation units for treatment of sulphite pulping condensates to recover methanol and furfural. Part II: Applicability of multi-effect distillation using live steam

Aly, Gharib LU and Zacchi, Guido LU (1979) In Canadian Journal of Chemical Engineering 57(3). p.316-320
Abstract
A distillation unit has been designed for a capacity of 73 t/h of condensate and for at least 90% recovery of the contaminating organics. This unit consists of three columns: a primary stripper to remove volatile organics and two upgrading columns to purify the methanol and furfural byproducts.



Three different energy-saving alternatives for satisfying the energy requirements have been studied: utilisation of secondary steam from the evaporation plant, and application of the principle of multi-effect distillation in one-stripper and in two-stripper configurations.



Investment cost needed in all alternatives amounts to 5.5–6.0 MCr (millions of Swedish Crowns) while operating cost varies between 0.8–3.1... (More)
A distillation unit has been designed for a capacity of 73 t/h of condensate and for at least 90% recovery of the contaminating organics. This unit consists of three columns: a primary stripper to remove volatile organics and two upgrading columns to purify the methanol and furfural byproducts.



Three different energy-saving alternatives for satisfying the energy requirements have been studied: utilisation of secondary steam from the evaporation plant, and application of the principle of multi-effect distillation in one-stripper and in two-stripper configurations.



Investment cost needed in all alternatives amounts to 5.5–6.0 MCr (millions of Swedish Crowns) while operating cost varies between 0.8–3.1 MCr. The first design alternative has a payoff period of 2.3 years while the two multi-effect distillation alternatives have a payoff period of about 3 years. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Canadian Journal of Chemical Engineering
volume
57
issue
3
pages
316 - 320
publisher
Wiley-Blackwell
external identifiers
  • wos:A1979HC90600012
  • scopus:0018481388
ISSN
0008-4034
DOI
10.1002/cjce.5450570312
language
English
LU publication?
yes
id
64a6805c-563e-4223-af64-cb72b20eca69 (old id 3911658)
date added to LUP
2013-06-28 10:30:45
date last changed
2017-01-01 06:39:10
@article{64a6805c-563e-4223-af64-cb72b20eca69,
  abstract     = {A distillation unit has been designed for a capacity of 73 t/h of condensate and for at least 90% recovery of the contaminating organics. This unit consists of three columns: a primary stripper to remove volatile organics and two upgrading columns to purify the methanol and furfural byproducts.<br/><br>
<br/><br>
Three different energy-saving alternatives for satisfying the energy requirements have been studied: utilisation of secondary steam from the evaporation plant, and application of the principle of multi-effect distillation in one-stripper and in two-stripper configurations.<br/><br>
<br/><br>
Investment cost needed in all alternatives amounts to 5.5–6.0 MCr (millions of Swedish Crowns) while operating cost varies between 0.8–3.1 MCr. The first design alternative has a payoff period of 2.3 years while the two multi-effect distillation alternatives have a payoff period of about 3 years.},
  author       = {Aly, Gharib and Zacchi, Guido},
  issn         = {0008-4034},
  language     = {eng},
  number       = {3},
  pages        = {316--320},
  publisher    = {Wiley-Blackwell},
  series       = {Canadian Journal of Chemical Engineering},
  title        = {Simulation and design of distillation units for treatment of sulphite pulping condensates to recover methanol and furfural. Part II: Applicability of multi-effect distillation using live steam},
  url          = {http://dx.doi.org/10.1002/cjce.5450570312},
  volume       = {57},
  year         = {1979},
}