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The influence of soil contaminated with the diesel oil on the enzymatic activities (dehydrogenase, urease, phosphatase and lipase) was investigated and it focused on the changes in the levels of enzymatic activities to determine the possibility of using these values as indicators in assessing the bioremediation test. The relationship among enzymatic activities and biochemical parameters were analyzed...
A laboratory-scale reactor for the activated sludge process was fed with simulating municipal living wastewater. In the course of operation, the urease and catalase activities and their correlations with the process parameters and microorganisms were studied. The results showed that during the sludge acclimation process, the activities of two enzymes were closely related to the microorganisms and...
The correlation of substrate enzyme activities and their purification effects were studied in a subsurface wastewater infiltration system(SWIS). The results showed: enzyme activities in different depths were different, even in different months proteinase were different. There was significant correlation between phosphatase activity and removal rates of TP (r = 0.9885), BOD (r = 0.9022) and COD (r...
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