Optimization of air flotation cyclone separation conditions based on response surface methodology
With the large-scale development of the oil and gas industry,the environmental problems caused by oily waste water have become increasingly serious,and the air flotation cyclone technology has been widely used as an efficient separation method.In order to further improve the separation effect of this technology,a one-factor experiment was conducted on the microbubble density M,rotational angular velocity,flocculant type and concentration using experimental methods,and the response surface method was used to optimize the combination of several factors.The single factor study found that the optimal conditions are:microbubble density 2.88×104 microbubbles/ml,rotational angular velocity 460 r/min,and the flocculant PAFC had a better separation effect.Response surface method analysis yielded a significant effect of the interaction of X1,X3 with the three variables,and the optimal combinations:2.47×104 microbubbles/ml for M,440 r/min for rotational angular velocity,and 40 mg/L for the concentration of flocculant PAFC.
microbubblesflotationPIVresponse surfaceseparationwaste water
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