Wastewater management at highway rest areas often presents unique challenges because of the rural locale, high variability in wastewater flow rate and strength, and lack of knowledgeable personnel. Subsurface constructed wetlands are considered in this study as an alternative to conventional treatment technologies in handling wastewater generated at rest areas. This study involves the construction of a subsurface flow constructed wetland treatment and biofield disposal system at interstate highway I-70 rest area station near Greenfield, Indiana. As the effluent wastewater is highly concentrated due to the use of low-flow restrictors at the restrooms, a different hydraulic scheme is called for in designing this wetland system in order to increase oxygen transfer and hence treatment efficiency of the system. Two parallel wetland cells are devised for a cyclic operation to allow filling of one cell while draining the other. Such configuration is combined with recirculation and followed by a third conventional plug-flow wetland cell to further enhance treatment ability. A biofield is also designed for subsurface discharge of a small portion of the effluent while the rest of the effluent is returned to the local sewer. Extensive instrumentation is installed to monitor flow rates and collect water samples at various strategic points in the system. This paper presents an overview of the project, details the design of the system and the instrumentation for flow measurement and sampling. Preliminary assessment of the wetland performance is presented along with the data from the first few months of operation. Future study goals are also identified in the paper.
The quality of air of Bhopal city is assessed for common pollutants present in the air. These pollutants causes harmful effects on the environment as well as human beings. Ambient air monitoring is carried out at various places to control the strategy for increasing pollution of Bhopal. The analytical work is carried out on calorimeter. High volume air sampler was used for air monitoring studies.
A huge quantity of hospital waste is produced from health care institutions across the country, which poses health hazards Hamidia hospital of Bhopal city was selected to study the quantity of waste generated from different wards of hospital. The adopted waste management strategy in hospital, also studied during study period. The quantitative study of solid hospital waste helps in affective management of hospital waste as quantitative study helps to know the exact of waste generated from different wards of hospital which is turns will help in better handling and management of hospital waste.Quantitative study of hospital waste also helps to decide the installation of treatment and disposal devices according to need, in this way quantitative study helps to eliminate installation of high capacity treatment and disposal devices like
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