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《Journal of Tianjin University of Science & Technology》 2009-05
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Characteristic of Dissolved and Colloidal Substances in Softwood Bleached Chemi-Thermomechanical Pulp

TIAN Zhi-qiang,HU Hui-ren,DUAN Xi-lei (Tianjin Key Laboratory of Pulp and Paper,College of Material Science and Chemical Engineering, Tianjin University of Science & Technology,Tianjin 300457,China)  
The dissolved and colloidal substances(DCS)from softwood bleached chemi-thermomechanical pulp(BCTMP) were studied on the physical-chemical properties of DCS water. The results showed that the dissolved substances(DS) contained 36.7% of the total DCS,and the colloidal substances(CS)contained other 63.3% of the total DCS. The main conductivity of DCS were from DS,and CS mainly contributed to the cationic demand. The DCS was determined by gas chromatography-massspectrum(GC-MS)qualitatively.
【Fund】: 国家自然科学基金资助项目(30771694);; 天津市科技计划发展项目(06TXTJJC14302)
【CateGory Index】: X793
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