Economics and feasibility of a greenfield cereal straw market pulp mill

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Abstract

With an increase in demand for traditional wood resources, both from the lumber and pulp and paper industries, there is growing interest in the Western hemisphere in the use of alternative nonwood fibers for pulp and paper manufacture. The University of Minnesota, in collaboration with other entities, has evaluated the availability of cereal straws (mainly wheat and barley straw) in the state of Minnesota, and has carried out laboratory and pilot studies on the suitability of these straws for pulp and paper manufacture. Based on data gathered from these evaluations, Halliburton KBR carried out a feasibility study for the University of Minnesota for a greenfield cereal straw market pulp mill in Minnesota. Two processes were evaluated - (1) a soda-AQ process with an ECF bleaching sequence, and (2) an ethanol pulping process with a TCF bleaching sequence. Process concepts were developed for each of these processes based on technology evaluations for the major areas. Order-of-magnitude capital cost estimates and manufacturing cost estimates were developed, and financial analyses were carried out to determine the economics of the processes. This paper describes the main findings from this study for the soda-AQ process.

Original languageEnglish (US)
JournalAnnual Meeting of the Pulp and Paper Technical Association of Canada (PAPTAC)
VolumeA
StatePublished - Jan 1 2002
Event88th Annual Meeting - Montreal, Que., Canada
Duration: Jan 29 2002Jan 29 2002

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