July 1, 2015 Thesis Open Access

Mihretab Mezgebu

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  <identifier identifierType="DOI">10.20372/nadre:4868</identifier>
  <creators>
    <creator>
      <creatorName>Mihretab Mezgebu</creatorName>
    </creator>
  </creators>
  <titles>
    <title>Pulp Production from Agricultural Residues</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2015</publicationYear>
  <dates>
    <date dateType="Issued">2015-07-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Thesis</resourceType>
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    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.20372/nadre:4867</relatedIdentifier>
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  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
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  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;Growth in pulp and paper production entails massive felling of trees, which in turn leads to&lt;br&gt;
deforestation. Increasing competition for wood supplies coupled with gradually rising costs of&lt;br&gt;
wood have generated renewed interest in the use of non-wood plant fibers for papermaking in&lt;br&gt;
the highly industrialized countries.&lt;br&gt;
The utilization of agricultural residues for the production of value-added products presents an&lt;br&gt;
innovative opportunity for sustainable resource management, provides additional income for&lt;br&gt;
farmers and contributes to the development of rural economies.&lt;br&gt;
In this study pulping of wheat straw was carried out by conventional soda-antraquinone (AQ)&lt;br&gt;
pulping under different conditions. The influence of soda concentration (10, 12 and 14% on&lt;br&gt;
the basis of dried wheat straw), cooking temperature (155,160 and 1650C) and cooking time&lt;br&gt;
(20, 35 and 50 min) on pulp properties were studied. Results indicated that soda concentration&lt;br&gt;
and cooking time had a significant influence on yield and kappa number.&lt;br&gt;
However the best result with respect to yield and kappa number was obtained with 10% soda&lt;br&gt;
concentration with 20 min cooking time&lt;/p&gt;</description>
  </descriptions>
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