...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Waste Management >Feasibility study of the separation of chlorinated films from plastic packaging wastes
【24h】

Feasibility study of the separation of chlorinated films from plastic packaging wastes

机译：从塑料包装废料中分离氯化膜的可行性研究

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

This study describes the possible separation of chlorinated plastic films (PVC and PVDC) from other heavy plastic packaging waste (PPW) by selective twist formation and gravity separation. Twists formation was mechanically induced in chlorinated plastic films, whereas twist formation did not occur in PS and PET films. After twist formation, all the films had the apparent density of less than 1.0 g/cm~3 and floated in water even though the true density was more than 1.0 g/cm~3. However, the apparent density of the PS and the PET films increased with agitation to more than 1.0 g/cm~3, whereas that of chlorinated plastic films was kept less than 1.0 g/cm~3. The main reason would be the air being held inside the chlorinated plastic films which was difficult to be removed by agitation. Simple gravity separation after twist formation was applied for artificial film with 10 wt.% of the chlorinated films and real PPW films with 9 wt.% of the chlorinated films. About 76 wt.% of the artificial PPW films and 75 wt.% of real PPW films after the removal of PP and PE were recovered as settling fraction with 4.7 wt.% and 3.0 wt.% of chlorinated plastic films, respectively. These results indicate that simple gravity separation process after twist formation can be used to reduce the chlorinated plastic concentration from mixed heavy PPW films.
机译：这项研究描述了通过选择性扭曲形成和重力分离可能将氯化塑料薄膜（PVC和PVDC）与其他重塑料包装废料（PPW）分离的方法。在氯化塑料薄膜中机械地引起扭曲形成，而在PS和PET薄膜中没有发生扭曲形成。扭曲形成后，所有膜的表观密度均小于1.0 g / cm〜3，即使真实密度大于1.0 g / cm〜3，其仍在水中漂浮。然而，随着搅拌，PS和PET膜的表观密度增加到大于1.0g / cm〜3，而氯化塑料膜的表观密度保持小于1.0g / cm〜3。主要原因是空气滞留在氯化塑料薄膜内部，难以通过搅拌除去。扭曲形成后的简单重力分离适用于含10％（重量）氯化膜的人造膜和含9％（重量）氯化膜的真实PPW膜。除去PP和PE后，分别回收了约76wt。％的人造PPW膜和75wt。％的实际PPW膜作为沉降部分，分别具有4.7wt。％和3.0wt。％的氯化塑料膜。这些结果表明，扭曲形成后的简单重力分离过程可用于降低混合重质PPW膜中氯化塑料的浓度。

著录项

  • 来源
    《Waste Management》 |2010年第4期|597-601|共5页
  • 作者

    Mallampati Srinivasa Reddy; Takefumi Yamaguchi; Tetsuji Okuda; Tsung-Yueh Tsai; Satoshi Nakai; Wataru Nishijima; Mitsumasa Okada;

  • 作者单位

    Department of Chemical Engineering, Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Wroshima-739-8527, Japan;

    rnDepartment of Chemical Engineering, Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Wroshima-739-8527, Japan;

    rnEnvironmental Research and Management Center, Hiroshima University, 1-5-3 Kagamiyama, Higashi-Hiroshima, Hiroshima-739-8513, Japan;

    rnEnvironmental Research and Management Center, Hiroshima University, 1-5-3 Kagamiyama, Higashi-Hiroshima, Hiroshima-739-8513, Japan;

    rnEnvironmental Research and Management Center, Hiroshima University, 1-5-3 Kagamiyama, Higashi-Hiroshima, Hiroshima-739-8513, Japan;

    rnEnvironmental Research and Management Center, Hiroshima University, 1-5-3 Kagamiyama, Higashi-Hiroshima, Hiroshima-739-8513, Japan;

    rnDepartment of Chemical Engineering, Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Wroshima-739-8527, Japan;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号