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| 溶解浆的市场趋势和最新技术 |
| Market Trends and Current Technology of Dissolving Pulp |
| 收稿日期： |
| DOI：10.11980/j.issn.0254-508X.2013.01.012 |
| 关键词: 溶解浆 连续蒸煮 新技术 市场趋势 |
| Key Words:dissolving pulp continuous cooking new technology market trends |
| 基金项目: |
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| 摘要:溶解浆的生产过去以亚硫酸盐法蒸煮为主，由于环境的原因,亚硫酸盐法蒸煮已较少采用,而采用预水解硫酸盐法蒸煮。开始只采用间歇蒸煮技术,但由于溶解浆的需求不断增加,开发了基于预水解硫酸盐法蒸煮的连续蒸煮技术。这一新的解决方案已经通过广泛的实验室实验,随后在最初设计生产漂白硫酸盐商品浆的浆厂应用。新设计的工艺和设备已经解决了先前尝试在溶解浆生产中采用连续蒸煮技术遇到的负面问题。新建和现有的浆厂可以从该新工艺解决方案中受益,这也使得溶解浆与造纸用浆可共用同一制浆生产线。 |
| 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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