EXPERIMENTAL STUDY ON POST TREATMENT OF DAIRY WASTEWATER USING HYBRID REED BED TECHNOLOGY

Environmental engineering

Water is a crucial and one of the precious natural resources of this planet and it is a prime need for human survival and industrial development. Pollution caused by industry is a serious concern in throughout the world. Compared to other industrials sectors, the food industry uses a much greater amount of water and is one of the biggest producers of effluent. Dairy is an industry where milk is processed and various milk products are manufactured. The consumption of large volumes of water and the generation of organic compounds as liquid effluents are major environmental problems in milk processing industry. Poorly treated wastewater with high level of pollutants caused by poor design, operation or treatment systems creates major environmental problems when discharged to the surface land or water. The discharge of untreated wastewater is a major contributor to deteriorating health conditions and pollution of nearby water bodies. The conventional treatment has limitations like high cost of operation and maintenance and requirement of technically skilled labours. Hence there is need for developing low cost technique for dairy wastewater treatment. Reed bed is one of such techniques which use plants, micro-organisms to remove harmless pollutants from contaminated water.

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