November 2011
Process design for decentralized sewage treatment system with total natural resource management
In developing countries sewage disposal is still a major problem. Increase in population and less availability of natural resources makes sewage a major source of health hazard. With sprawling urban population sewage disposal has become a very serious problem. Under this circumstances, the decentralized sewage treatment system (DTS) for population varying from 1000 to 10,000 that is, 120 to 1200 Kl/day or more can play...
November 2011
The use of natural system for the treatment of greywater: A case study of Kpeshie Lagoon, Accra, Ghana
Handling of wastewater (greywater and blackwater) in urban areas is a big problem. The La Sub Metro in Ghana is no exception. Due to lack of wastewater treatment facilities, almost all the wastewater in the Sub Metro is discharged into the Kpeshie Lagoon without pre-treatment. The objective of this study was to characterise greywater and determine the potential of receiving environment (Kpeshie Lagoon and surrounding...
November 2011
Culturing a rabbit fish (Siganus canalicullatus) in cages: A study from Palk Bay, South East Coast of India
Preliminary investigation on the culture of Siganus canalicullatus in floating cages in Mandapam coastal water has revealed that the fish has high culture potential in the region. It is euryhaline, inhabiting areas where salinities range from 23’/,, to 35.8O/,, ,. The fish grows faster on pelletted diets than on ordinary seaweeds. It is estimated that the fish would reach a marketable size of 20 cm fork length in...
November 2011
Determination of watershed’s hydrological parameters using remote sensing and geographical information system (GIS) techniques: Case study of Wadi Al-kangar, Sudan
The need for information in user friendly formats and which is easy to update, query, manage and utilize, has popularized the use of geographical information system (GIS). Remote sensing and GIS techniques are increasingly becoming an important tool in hydrology and water resources development. This is due to the fact that most of the data required for hydrological analysis can easily be obtained from remotely sensed...
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