| 光谱学与光谱分析 |
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| Structural Characteristics of Infrared Spectra for Polyaluminum Chloride in Enhanced Reactions of Modification |
| ZHOU Feng-shan1，WANG Shi-hu2，SU Jin-zhu3，SUN Hu3，DING Jie1，XU Yi-zhuang1，WU Jin-guang1 |
1. College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
2. Research Institute of Production Technology, Shengli Oilfield, Dongying 257000, China
3. Downhole Technology Operation Company, Changqing Oilfield, Qingyang 745113, China |
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Abstract As an important preparation method of Inorganic Polymer Flocculants (IPFs) with all-round performance, the use of enhanced reactions of modification for Polyaluminum Chlorides (PAC) is a trend of application. In this paper, auctorial-made multicore oligomers as a complexing agent, polysilicate as a crosslinking agent and polyacrylamide as a compounding agent are respectively used to enhance PAC and prepared three kinds of IPFs, named CO-PAC, CR-PAC and PAM-PAC. The Fourier Transform Infrared spectra (FTIR) of the three flocculants show that there have been found new chemical bonds beyond Al—OH in their structures, and each characteristic band of primary group in PAC has a band shift to a lower frequency dure to its structural aberration． These evidences suggested that enhanced reactions of modification for PAC are not at all a simple process of physical mix, but a chemical reaction to form other structural characteristics of inorganic polymers. The excellent coagulation behavior of these new flocculants depends mainly on the chemical actions，but there are a little physical effects between the modifiers and PAC.
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Received: 2002-10-08
Accepted: 2003-01-08
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Corresponding Authors:
ZHOU Feng-shan
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| Cite this article: |
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ZHOU Feng-shan,WANG Shi-hu,SU Jin-zhu, et al. Structural Characteristics of Infrared Spectra for Polyaluminum Chloride in Enhanced Reactions of Modification [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(05): 532-535.
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| URL: |
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http://www.gpxygpfx.com/EN/Y2004/V24/I05/532 |
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