Study of Various Technologies Available For Treatment of Dairy Wastewater- A Review
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 11
Abstract
Dairy industries have shown tremendous growth in size and number in most countries of the world. These industries discharge wastewater in huge quantity which is characterized by high chemical oxygen demand, biological oxygen demand, nutrients, and organic and inorganic contents. Such wastewaters, if discharged without proper treatment, severely pollute receiving water bodies. In this review paper, various recent technologies of dairy wastewater have been discussed. The wastewaters discharged by raw milk quality control laboratories are more complex than the ones commonly generated by dairy factories because of presence of certain chemicals such as sodium azide or chloramphenicol, which are used for preserving milk before analysis. Pretreatment of effluents consists of screening, flow equalization, neutralization, which are normally followed by biological treatment. If space is available, land treatment or pond systems are potential treatment methods. Other possible biological treatment systems include activated carbon, packed bed filters, electrocoagulation, reverse osmosis techniques, Biofilms.
Authors and Affiliations
Riyaj K. Mulla, Azim S. Sutar, Anil C. Ranveer
Keywords
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