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Abstract
Coagulation Processes for Treatment of Waste Water from Meat Industry
Zueva SB, Ostrikov AN, Ilyina NM, De Michelis I, Velio F
Application of the coagulants in treatment of wastewater from food industry is one of the most promising techniques to establish environment-friendly industries. This article describes results of experiment and the chemistry of wastewater treatment with coagulants and so called “coagulant aids”. The coagulation efficiency was determined combining different techniques (photocolorimetric method, the microscopying of the samples, zeta potential measurements). The results showed that aluminum sulfate was nearly twice more effective in presents of alumina powder. The reason for this behavior can be explained by the negative value of Zeta potential on its surface. It was found that the aggregation and sedimentation speed can be greatly enhanced.