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Coastal erosion is a major problem facing the coastlines of the world, which needs to be addressed with priority. Coastal properties and roads are threatened by erosion, particularly during the monsoon. Long lasting coastal protection is needed to solve the beach erosion problems. Breakwaters are effective in reducing the cross shore sediment transport and in wave height reduction in its lee. In the...
Reuse of domestic greywater (GW) is emerging as an important approach to the management and conservation of water resources, particularly in rural and developing areas where small-scale decentralized treatments are suited. Vertical flow constructed wetlands have been increasingly used as a sustainable technology for the ecological treatment of wastewater. In this paper, an attempt has been made to...
The present study deals with the suitability of the coagulation-flocculation process using Moringa oleifera seed as an environment-friendly natural coagulant and antimicrobial agent for clarification of turbid water. It has higher efficiency up to 99.99% for higher turbid water. But for low turbid water the removal efficiency is comparatively less. Almost all the industrial effluents are of high turbidity...
Contamination of soil and ground water by Petroleum hydrocarbons is a serious and wide spread environmental problem. The United State Environmental Protection Agency (U.S EPA) has proposed various technological approaches for treating soil contaminated by petroleum hydrocarbons. Among them, bioremediation is a promising technology used to remediate oil contaminated soil that involves indigenous oil...
Solid waste arising from human and animal activities, comprises of countless different materials which are difficult to name them all. Sanitary landfills have been and continue to be an economical method for solid waste disposal especially in developing countries. The solid waste management problem is getting aggravated in the capital city of Kerala, Trivandrum with current generation of around 280–300...
Sample water was collected from the open wells around the KMML area. Then the main physiochemical and biological analysis of the parameters like colour, conductivity, salinity, turbidity, pH, BOD, COD, TDS, iron, nitrates, Fecal coliforms etc. were done. After selecting some important water quality parameters, the calculation of Water Quality Index (WQI) was done. Finally, the water quality mapping...
This study is focused on the variation of physico-chemical parameters in water samples taken from two different sites of the lake and from five wells near the dumpsite. The Dissolved Oxygen (DO) content and Total Dissolved Solids(TDS) content of most of the samples are beyond the standard limits. The chloride content near the dumpsite is found to be very high compared to the non-polluted site of the...
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