Adding flocculant after sewage flocculation effect is not good how to do

The reasons for the poor flocculation effect of sewage may be as follows

First, the water temperature is too high or too low will affect the effect of flocculant, coagulant hydrolysis is slow, affecting the stability of colloidal particles, and the viscosity of water increases, the movement of colloidal particles increases, affecting flocculation; At this time, it is necessary to adjust the appropriate temperature of the sewage at which the flocculant plays.

Second, water conservancy conditions are important conditions that affect the flocculant's flocculation effect. In the flocculation stage, the stirring intensity and water flow speed should decrease gradually with the increase of the flocculant, so as to avoid the aggregation of the flocculant being broken and affecting the coagulation and precipitation effect. Ordinary flocculants will make the flocculation reaction and time continue to increase, requiring the flocculation to grow to a large enough particle size to pass through the cultural deposit.

Third, the acid-alkaline, pH value is directly related to the surface charge and potential of colloidal nanoparticles in water, and the influence of the flocculation effect also varies with different types of flocculants.

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