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The degradation and its kinetics of chlorine chlorination of phenol in disinfection process was studied. The influencing factors were investigated, such as chlorine dosage, temperature and background organic compound and so on. The experimental results showed that the degradation of phenol by chlorine followed second-order kinetics. The temperature influenced the reaction sharply, and it followed...
The effect of preoxidation Yellow River with light polluted water by composite potassium permanganate process are studied in the text. The best adding quantity of composite potassium permanganate is 1.5-3.0 mg/l, PAC as the flocculant, the best adding quantity is 60 mg/l. Under these conditions, pretreat Yellow River with mic-polluted water which the results show that permanganate preoxidation obviously...
As the massive agent in the paper mills, deinking agent was wasted to pollute environment. What's worse, wood extractives increased environmental pollution. Therefore, PyGC/MS was used to analyze the bioenergy resource of bamboo ethanol extractives. Relative content of each component was determined by area normalization. The ethanol extractives contain 117 compounds namely 2-furancarboxaldehyde, 5(hydroxymethyl)...
As the most expensive wood tree, Santalum album has been planted more than 2000 mu in South China now. A mass of Santalum album leaves was naturally abandoned and degradable so that the resources were wasted. Therefore, in order to overcome the negative effects, Py-GC/MS was used to analyze the extractives of autumn Santalum album leaves. Relative content of each component was determined by area normalization...
Wood extractives for bioenergy with high additional value is looked upon as a strategy task. In this paper, the chemical components in the benzene/ethanol extractives of Eucalyptus urophylla wood were isolated and identified by Py-GC/MS so as to increase economic benefits. In this paper, the chemical components in the acetic ether extractives of Eucalyptus urophylla wood were isolated and identified...
The present work reports the findings of computational conformational analysis and dielectric studies of two alkyl alcohols and two phenols, namely hexanol, heptanol, 2-propylphenol and 4-propylphenol and their binary mixtures. The alcohol group is known to be important in the study of influence of processing liquids on the dielectric properties and performance of MEMS devices.
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