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Examines global issues surrounding the world’s water resources - availability, distribution, access, consumption and challenges for the future - and uses three case studies to explore them: 1) China: the...
Illustrates the modified Bailenger method for estimating the numbers of intestinal nematode eggs in waste water and MPN method for estimating the numbers of faecal coliform bacteria in wastewater.
A sample of effluent is taken from a sewage works and is prepared for examination under the microscope. Various micro-organisms are identified.
Examines the inherent drawbacks of our Victorian sewage systems and considers alternative ways of treating human waste - low-tech radical methods such as dry composting toilets, oxidisation pools and...
Shows the treatment processes needed to make water from a reservoir fit for human consumption. Using animation and live action the path of water is followed through a typical European treatment plant dealing...
Part 1: To maintain the quality of mains water, collected, treated and distributed by the water authorities requires close control of waste water discharges by industry at all stages. Costs of supplying and...
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