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Department of Agricultural and Business Studies and Tourism, he Academy of Applied Studies Šabac , Šabac , Serbia
Department of Agricultural and Business Studies and Tourism, he Academy of Applied Studies Šabac , Šabac , Serbia
Department of Agricultural and Business Studies and Tourism, he Academy of Applied Studies Šabac , Šabac , Serbia
Department of Agricultural and Business Studies and Tourism, he Academy of Applied Studies Šabac , Šabac , Serbia
Department of Agricultural and Business Studies and Tourism, The Academy of Applied Studies Šabac , Šabac , Serbia
The dairy industry produces wastewater at all stages of the production process, from primary processing and separation of milk to production, packaging, and distribution of final products. Depending on the type of product, the stage of production, and the size of the production, the resulting wastewater mainly consists of residues of milk, milk fat, proteins, lactose and carbohydrates, detergents, and chemical reagents. In general, the dairy industry produces a lot of wastewater, almost 0.2–10 l per 1 l of processed milk. Since the dairy industry produces a variety of products, the characteristics of the dairy industry effluents also vary significantly depending on the operating techniques used in the process. Milk wastewater is characterized by varying pH values; high levels of biological oxygen consumption; varying chemical consumption of oxygen and content of fat, total phosphorus, and total nitrogen. Emission limit values for certain groups or categories of polluting substances for technological waste water before their discharge into the recipient are defined by the Regulation on emission limit values of pollutants in water and deadlines for their achievement (Official Gazette of the RS 67/2011, Official Gazette of the RS 48/2012, Official Gazette of RS 1/2016). To meet emission limitation requirements and protect the environment, dairies should use appropriate wastewater treatments. This paper will present techniques that are efficient, environmentally friendly, and economically available
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