Influences of Short-term Variations on Energy-Saving Opportunities in a Pulp Mill
Paper in proceeding, 2009

Significant opportunities for energy savings are identified in the hot and warm water system of a kraft pulp mill. Short-term variations in the process are studied in order to identify and quantify the influences of these variations on the energy-saving opportunities. Daily and ten-minute averages of measured data are used as varying input data in a heat exchanger network with fixed heat transfer areas. When the short-term variations are considered, the total energy savings are decreased by about 10%. The steam-saving opportunities correspond to at least 5% of the mill’s total steam use, when the short-term variations are considered. At least 65% of the influences of short-term variations are detected already when the seasonal variations are considered.

Process integration

Pulp mill

Energy saving

Short-term variations

Pinch analysis

Author

Jörgen Lars Persson

Industrial Energy Systems and Technologies

Thore Berntsson

Industrial Energy Systems and Technologies

Published in

Chemical Engineering Transactions

22839216 (ISSN) 22839216 (eISSN)

Vol. 18 Issue Part 2 p. 893-898
978-88-95608-04-4 (ISBN)

Categorizing

Subject Categories (SSIF 2011)

Other Mechanical Engineering

Energy Engineering

Identifiers

DOI

10.3303/CET0918146

ISBN

978-88-95608-04-4

More information

Created

10/6/2017