期刊文献+

热磨机械浆水抽出物中溶解和胶体物的分析 被引量:7

Analysis of Dissolved and Colloidal Substances in White Water from Thermo-mechanical Pulp
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摘要 机械浆造纸中对造纸湿部化学影响最大、最难处理的是白水中溶解物和胶体物质(DCS)。实验通过温水抽提热磨机械浆(TMP)得到白水并对DCS进行参数测定以及成分分析。结果表明,COD_(Cr)、浊度、阳离子需求和Zeta电位主要由胶体物(CS)产生。DCS物质粒径主要分布在两个区域:0.1μm左右溶解粒子约占14%和0.3μm左右胶体粒子约占86%。采用内标气相色谱-质谱联用的方法分析DCS成分,其中松香酸系列含量较高,约占总组分的1/3。 The dissolved and colloidal substances ( DCS ) accumulated in the white water circulation is harmful to the papermaking system especially when using mechanical pulp as the main source. This article analyzed the DCS in the lab-made white water from thermo-mechanical pulp ( TMP ) in. The results indicated that the CODcr, turbidity, cationic demmand and zeta potential mostly come from CS. The particles of DCS distributed in two areas: about 14% at 0. 1μm and 86% at 0.3μm. The abietic acid shared a rather high content of one third in DCS.
出处 《中国造纸学报》 EI CAS CSCD 2007年第2期82-85,共4页 Transactions of China Pulp and Paper
基金 天津市科技发展计划项目(06TXTJJC14302)
关键词 热磨机械浆 溶解和胶体物质(DCS) 造纸白水 分析检测 thermo-mechanical pulp ( TMP ) dissolved and colloidal substances ( DCS ) white water analysis
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参考文献14

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二级参考文献28

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