Types of Dams | Classification of Reservoirs

Nagarjunasagar Dam

Types of Dams A dam is a hydraulic structure or assembly that is constructed across a river to form a reservoir on its upstream side for confining water for various purposes like Hydropower, water supply, flood control, navigation, fishing and recreation, irrigation. Dams are constructed depending on the purpose for which they are used. Different … Read more Types of Dams | Classification of Reservoirs

Validity Of BOD Test for

Biological Oxygen Demand (BOD)

Validity Of BOD Test for Waste-water Released to Marine Ecosystems Submitted by T. Sunder Rami Rreedy Introduction Cities have resulted in faster growth rate, 17 coastal megacities covering about 25% of the world’s population. The availability of oxygen in the ocean is limited due to high chlorides. The biochemical degradation rates are slower in salinity … Read more Validity Of BOD Test for

Energy Generation from Biogas Produced at STP

Gas Holders at Delawas

Energy Generation from Biogas Produced at STP Presented By:  K M Jaiswal Excreta and wastewater sludge are resources for making biogas. Finding ways to put them to their best uses is part of developing sustainable technologies. At the same time, excreta and wastewater sludge – if not managed properly – can be dangerous to human … Read more Energy Generation from Biogas Produced at STP

Sub Surface Irrigation | Subsurface Irrigation Working | Advantages

Sub Surface Irrigation

Introduction Sub Surface Irrigation In sub surface Irrigation , effluent is delivered directly to the infiltrative surface of the soil using specially manufactured polyethylene tubing with built-in turbulent flow emitters. Subsurface irrigation is a highly-efficient watering technique. It reduces outdoor water use by 30 to 40 percent. Design of Sub-surface Irrigation It consist a masonry chamber (Distribution box) where … Read more Sub Surface Irrigation | Subsurface Irrigation Working | Advantages

Odor Treatment Methods & Design Considerations

Biological odor treatment unit for wastewater

Odor Treatment Methods Odor Treatments are used either to treat the odor producing compounds in the waste water or to treat the foul air. Some principle methods are:- Chemical scrubbers Activated carbon absorbers Vapour phase biological treatment Thermal process Chemical scrubbers Design objective is to provide enough contact between air, water and chemicals to enable … Read more Odor Treatment Methods & Design Considerations

Source of Odors & Strategies for Odor Management

Odor management

Source of Odors & Strategies for Odor Management By Dinesh Why do we need odor management? The potential release of odors is a major concern of public acceptance. For homo-sapiens odor is primarily related to the psychological stress the odor cause. Higher concentration of odorous gases can be lethal. Projects have been rejected & some … Read more Source of Odors & Strategies for Odor Management

Conserving Water with Water Sensitive Plumbing & Sanitation Techniques

Water Security Under Uncertainity Conditions

Conserving Water with Water Sensitive Plumbing & Sanitation Techniques Need To Conserving Water ???? Today, nearly 1 billion people in the developing world don’t have access of potable drinking water. Clean, safe drinking water is scarce. It is the foundation of life, a basic human need. Eight districts of the Marathwada region in Maharashtra has … Read more Conserving Water with Water Sensitive Plumbing & Sanitation Techniques

Operation of Rotating Biological Contactor – Study on Sewage Treatment Plant

Rotating Biological Contactor

Operation of Rotating Biological Contactor – Study on Sewage Treatment Plant by Avinash Kumar Jha The Rotating Biological Contactor (RBC) is a fixed film biological secondary treatment device. In operation, a media, consisting of a series of circular disks mounted side by side on a common shaft is rotated through the waste-water flow. Working of … Read more Operation of Rotating Biological Contactor – Study on Sewage Treatment Plant

Design of Trickling Filters & Common Operational Issues

Attached Growth Trickling Filters

Types of Trickling Filters & Common Operational Issues by Pankaj Bansal What is a trickling filter?? Trickling filter is a type of waste water treatment process, which is an attached growth process. In this process the microorganisms responsible for digestion are attached to an inert filter material. This Packing material can be rock, gravel, sand and … Read more Design of Trickling Filters & Common Operational Issues