i want a full seminar topic on ..The role of soils in purifying waste water effluent ....etc

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Hi am Prahalad i would like to get details on THE ROLE OF SOILS IN PURIFYING WASTEWATER EFFLUENTS in PPT  ..My friend said will be available here and now i am living at Bangalore and i last studied in the college/school GND and i need help on ABOVE TOPIC. ....etc

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Abstract

The on-site treatment of sewage is common in all rural and regional areas of the world. Due to the public health and environmental risks that these treatment systems pose, the need for adopting performance based management strategies is gaining increasing recognition. This demands the establishment of performance objectives for on-site sewage treatment and disposal which are based on stringent scientific analysis. A research project was undertaken to identify and investigate the role of influential site and soil characteristics in the ....etc

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suggest me that which method is most recommended for waste water treatment ....etc

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hi i am varun  i would like to get details on the role of soil in purifying waste water effluents my friend vignesh said will be available here and now i am doing this topic as techinal seminar topic i need help of you can you please make it

signatue : varun ....etc

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Ppt and report ....etc

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Abstract

The on-site treatment of sewage is common in all rural and regional areas of the world. Due to the public health and environmental risks that these treatment systems pose, the need for adopting performance based management strategies is gaining increasing recognition. This demands the establishment of performance objectives for on-site sewage treatment and disposal which are based on stringent scientific analysis. A research project was undertaken to identify and investigate the role of influential site and soil characteristics in the ....etc

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The environmental impact of paper is significant, which has led to changes in industry and behaviour at both business and personal levels. With the use of modern technology such as the printing press and the highly mechanised harvesting of wood, disposable paper has become a cheap commodity. This has led to a high level of consumption and waste. With the rise in environmental awareness due to the lobbying by environmental organizations and with increased government regulation there is now a trend towards sustainability in the pulp and paper ind ....etc

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Wastewater soil absorption systems (WSAS s) have the potential to achieve high treatment efficiencies, yet the understanding and predictability of performance as well as the risk of inadequate function has not been fully quantified. This has been due to the complex and dynamic relationships between hydraulic and purification processes and the factors that control their behaviors. This paper provides an overview of WSAS process principles and performance, and then describes initial experimental research completed as part of a long-term program ....etc

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The article presents the reports the performance of municipal waste-water treatment plant using laterite soil-based constructed soil filter (CSF) system. The plant was monitored over a period of 17 months and the result is presented. The dissolved oxygen levels were increased along with the chemical oxygen demand (COD). The bio-chemical oxygen demand (BOD) reduced was significantly reduced. The features of the system are:
lowHRT, high,hydraulic loading, no chemicals, pretreatment and mechanical aeration, odor free, lowenergy requirement.

....etc

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