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**Harvard**

Svensson, E. och Harvey, S. (2011) *Pinch analysis of a partly integrated pulp and paper mill*.

** BibTeX **

@conference{

Svensson2011,

author={Svensson, Elin and Harvey, Simon},

title={Pinch analysis of a partly integrated pulp and paper mill},

booktitle={Linköping Electronic Conference Proceedings, B. Moshfegh (ed.), Proceedings of WREC - World Renewable Energy Congress, 8-11 May 2011, Linköping, Sweden},

pages={1521–1528 },

abstract={The pulp and paper industry, with its wood biomass feedstock, has promising opportunities to become
a key player in the biorefinery arena. A successful implementation of biorefinery pathways requires optimization
of the energy system through process integration, and can lead to both increased and diversified revenues as well
as a reduction of global CO2 emissions. This paper presents the results from a pinch analysis of a partly
integrated Kraft pulp and paper mill. The objective was to identify the potential for energy efficiency
improvements, focusing on possibilities to save steam. Another objective was to identify practical retrofit
solutions for the mill heat exchanger network and to estimate the costs for the required investments. The
potential for energy savings at the mill is estimated at 18.5 MW, i.e. 12% of the current steam demand. Two alternative retrofit options are presented in the paper. A straightforward retrofit that is easy to implement enables
5.8 MW of steam to be saved at a cost of €0.13 million per MW of saved steam. A second more extensive retrofit option is also presented which could achieve steam savings of 11 MW at a cost of €0.14 million per MW of saved steam. Assuming that the steam savings lead to a reduced use of bark fuel in the power boiler, the payback period of both energy saving retrofit investments is estimated to be less than about 16 months.},

year={2011},

keywords={Pinch analysis, Pulp and paper industry, Retrofit, Steam savings},

}

** RefWorks **

RT Conference Proceedings

SR Electronic

ID 140662

A1 Svensson, Elin

A1 Harvey, Simon

T1 Pinch analysis of a partly integrated pulp and paper mill

YR 2011

T2 Linköping Electronic Conference Proceedings, B. Moshfegh (ed.), Proceedings of WREC - World Renewable Energy Congress, 8-11 May 2011, Linköping, Sweden

AB The pulp and paper industry, with its wood biomass feedstock, has promising opportunities to become
a key player in the biorefinery arena. A successful implementation of biorefinery pathways requires optimization
of the energy system through process integration, and can lead to both increased and diversified revenues as well
as a reduction of global CO2 emissions. This paper presents the results from a pinch analysis of a partly
integrated Kraft pulp and paper mill. The objective was to identify the potential for energy efficiency
improvements, focusing on possibilities to save steam. Another objective was to identify practical retrofit
solutions for the mill heat exchanger network and to estimate the costs for the required investments. The
potential for energy savings at the mill is estimated at 18.5 MW, i.e. 12% of the current steam demand. Two alternative retrofit options are presented in the paper. A straightforward retrofit that is easy to implement enables
5.8 MW of steam to be saved at a cost of €0.13 million per MW of saved steam. A second more extensive retrofit option is also presented which could achieve steam savings of 11 MW at a cost of €0.14 million per MW of saved steam. Assuming that the steam savings lead to a reduced use of bark fuel in the power boiler, the payback period of both energy saving retrofit investments is estimated to be less than about 16 months.

LA eng

DO 10.3384/ecp110571521

LK http://www.ep.liu.se/ecp/057/vol7/006/ecp57vol7_006.pdf

LK http://publications.lib.chalmers.se/records/fulltext/local_140662.pdf

OL 30