Covers water quality indices (WQI) in depth. This title describes what purpose they serve, how they are generated, what are their strengths and weaknesses, and how to make the best use of them. It provides a guide to WQIs: their purpose and generation. It compares various methods and WQIs and outlin[...]
In recent years, the importance of biogas energy has risen manifold and has become universal. This is due to the realization that biogas capture and utilization has great potential in controlling global warming. By capturing biogas wherever it is formed, we not only tap a source of clean energy, but[...]