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| Market Trends and Current Technology of Dissolving Pulp |
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| DOI：10.11980/j.issn.0254-508X.2013.01.012 |
| Key Words:dissolving pulp continuous cooking new technology market trends |
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| Abstract:Sulphite cooking has dominated the production of dissolving pulp in the past. Because of environmental reasons, sulphite cooking has decreased and instead has become pre-hydrolysis kraft cooking. Earlier was done only with batch cooking technology, but due to increasing demand of dissolving pulp, a process based pre-hydrolysis kraft cooking done with continuous cooking technology has been developed.This new solution has been through extensive laboratory trials and subsequently installed and operated within an existing pulp mill originally designed for bleached kraft market pulp. The new process and equipment design have addressed the negative experiences encountered on previous attempts to apply continuous cooking technology for dissolving pulp manufacturing. Both new and existing pulp mills can benefit from the new process solution, which is also allowing campaign production of dissolving pulp or paper grade pulp with the same fiber line. |
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