The Fractionation of Loblolly Pine Woodchips Into Pulp For Making Paper Products

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The overall goal of the project was to test the PureVision biomass fractionation technology for making pulp from loblolly pine. A specific goal was to produce a pulp product that is comparable to pulp produced from the kraft process, while reducing the environmental effects of the kraft process, known to be a highly pollutant process. The overall goal of the project was met by using the biomass fractionation concept for making pulp product. This proof-of-concept study, done with Southern pine pinchips as feedstock, evaluated NaOH concentration and residence time as variables in single-stage cocurrent pulping process. It can be concluded ... continued below

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Kiran Kadam, PhD November 30, 2006.

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Description

The overall goal of the project was to test the PureVision biomass fractionation technology for making pulp from loblolly pine. A specific goal was to produce a pulp product that is comparable to pulp produced from the kraft process, while reducing the environmental effects of the kraft process, known to be a highly pollutant process. The overall goal of the project was met by using the biomass fractionation concept for making pulp product. This proof-of-concept study, done with Southern pine pinchips as feedstock, evaluated NaOH concentration and residence time as variables in single-stage cocurrent pulping process. It can be concluded that 1% NaOH is adequate for effective delignification using the PureVision process; this is about ⅓ of that used in the kraft process. Also, the PureVision process does not use sulfur-based chemicals such as N2S and hence, is environmentally more benign.

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  • Report No.: DOE GO15154
  • Grant Number: FG36-05GO15154
  • DOI: 10.2172/896388 | External Link
  • Office of Scientific & Technical Information Report Number: 896388
  • Archival Resource Key: ark:/67531/metadc886647

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  • November 30, 2006

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Oct. 31, 2016, 6:20 p.m.

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Kiran Kadam, PhD. The Fractionation of Loblolly Pine Woodchips Into Pulp For Making Paper Products, report, November 30, 2006; United States. (digital.library.unt.edu/ark:/67531/metadc886647/: accessed November 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.