• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of Applied Polymer Science >Investigation on flocculation characteristics of polysaccharide-based graft copolymers in coal fines suspension
【24h】

Investigation on flocculation characteristics of polysaccharide-based graft copolymers in coal fines suspension

机译：煤粉悬浮液中多糖基接枝共聚物的絮凝特性研究

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

The article deals with the synthesis of two polysaccharide-based graft copolymers of acrylamide, namely, starch-g-polyacrylamide (St-g-PAM) and amylopecting-polyacrylamide (Ap-g-PAM). Intrinsic viscosity of the graft copolymers was determined. A flocculation jar test was carried out with -200 # ASTM particles for two coking and two noncoking coal samples from Indian coalfields. It is observed that both the grafted products are very effective flocculants in bringing down the turbidity of supernatant liquid of coking coal fines suspension. Though they are effective flocculants in the case of noncoking coal suspension as well, the supernatant turbidity remains somewhat high. Ap-g-PAM performed better than St-g-PAM, which is distinctly apparent in the case of noncoking coal suspension. This may be ascribed to the presence of longer grafted polyacrylamide chains in case of Ap-g-PAM. (C) 1998 John Wiley & Sons, Inc. [References: 20]
机译：该文章涉及两种基于丙烯酰胺的多糖基接枝共聚物的合成，即淀粉-g-聚丙烯酰胺（St-g-PAM）和支链淀粉-聚丙烯酰胺（Ap-g-PAM）。测定了接枝共聚物的特性粘度。用-200＃ASTM颗粒对印度煤田的两个焦化和两个非焦化煤样品进行了絮凝罐测试。观察到两种接枝产物在降低焦化煤粉悬浮液的上清液的浊度方面都是非常有效的絮凝剂。尽管它们在未结焦的煤悬浮液中也是有效的絮凝剂，但上清液的浊度仍然有些高。 Ap-g-PAM的性能优于St-g-PAM，这在未结焦煤悬浮液的情况下显而易见。在Ap-g-PAM的情况下，这可能归因于存在更长的接枝聚丙烯酰胺链。 （C）1998 John Wiley＆Sons，Inc. [参考：20]

著录项

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