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.
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please give the ppt of hyper sound water purifing system..............etc

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effluent treatment in petroleum refinary...............etc

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Role & Role Effectiveness
Role, Role Space & Role Set
• Mutual obligations under a social system
• Functions one performs in response to the expectations
• Role is defined with the expectations of the role senders, including those of the role occupant.
• Role Space is a dynamic relationship between the self and the various roles an individual occupies and also amongst these roles
• Role Set is a subsystem or inter relationships between a particular role and the other roles in an organi..............etc

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jk o hwo hohi i riri i iei i j i rhirhirih irirhiriri irhrihri jfihfifi rihii ii hrihriri ih i hri i ihiih ih iihor rir iirj ri ri hurihuh juurhrih krkri r iririrhki..............etc

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need a ppt file for the seminar not getting any clue.. need serious help totally jacked..............etc

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1.The dynamic viscosity of most of the gases______________with rise in temperature.
(A)Increases(B) Decreases
(C ) Does not change significantly (D) None of these

2.)Buoyant force is___________.
(A)Resultant of up thrust and gravity forces acting on the body
(B)Resultant force on the body due to the fluid surrounding it
(C )Equal to the volume of liquid displaced by the body
(D)Resultant of static weight of body and dynamic thrust of liquid

3.)The type of flow in which the velocity of every particle varies from ..............etc

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Wastewater soil absorption systems (WSASâ„¢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 pro..............etc

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

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