| 摘要: |
| 制备了无机-有机天然高分子复合絮凝剂聚合氯化铝-壳聚糖(PAC-CTS),并采用Al-Ferron逐时络合法研究了壳聚糖(CTS)的粘度(ηCTS)、含量(C)和聚合氯化铝(PAC)的碱化度(B)对无机-有机天然高分子复合絮凝剂PAC-CTS中铝形态分布的影响.结果表明,当B值为1.5和ηCTS值为100 mPa·s时,PAC-CTS与Al-Ferron试剂反应速率最高;随着C值的增加,小分子的Al(Ⅲ)聚合物含量越小,PAC-CTS与Al-Ferron试剂反应速率也越低.从PAC-CTS中Alb含量可推断PAC-CTS(B=1.5,ηCTS=800 mPa·s,C=0.05 g/g)的絮凝效果应最佳. |
| 关键词: 复合絮凝剂 壳聚糖 铝的形态分布 Al-Ferron逐时络合比色法 |
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| Study on the species distribution and transformation kinetics of PAC-CTS |
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| Abstract: |
| The inorganic organic composite flocculants PAC-CTS were prepared and the species distribution and Al-Ferron complexation timed spectrophotometric kinetics of PAC-CTS were studied based on different ηCTS,different CTS dosages and different Bs.It shows that there are some interactions between CTS and PAC in the composite flocculants. |
| Key words: inorganic-organic composites(PAC-CTS) chitosan(CTS) speices distribution Al-Ferron complexation timed spectrophotometric method |
