By T H Y Tebbutt (Auth.)
This quantity goals to mix the functions of easy programming in simple with an knowing of these elements of water/wastewater remedy engineering which are expressed by means of mathematical relationships or which require a decision-making series. Waste and wastewater remedy is a vital zone of engineering and the themes chosen illustrate the multidisciplinary points of the topic. The courses were written in easy on an Amtrad PC1640
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FURTHER READING D e p a r t m e n t of the E n v i r o n m e n t , Methods for the Examination of Waters and Associated Materials, H M S O . ] American Public Health Association, Standard Methods for the Examination of Water and Wastewater, A P H A , 1985. H u t t o n , L. G . , Field Testing of Water in Developing Countries, W R c , 1983. Sawyer, C. N. and McCarty, P. , Chemistry for Sanitary Engineers, 2nd edn, M c G r a w Hill, 1978. Smith, P. D . , BASIC Hydraulics, Butterworths, 1982. , BASIC Statistics, Butterworths, 1984.
As the expansion continues further, the head loss within the bed becomes essentially constant and is equal to the weight of the media in water. e. 6 Gravity liltcr u n d e r backwash conditions Worked examples 59 This expression gives the head loss p e r unit depth for an expanded bed with single-size grains.
7 E n t e r time ( d ) . and BOD (me/1)? 38 E n t e r time ( d ) , and BOD (me/1)? 2,58 E n t e r time ( d ) , and BOD (me/1)? 3,76 Enter time ( d ) , and BOD ( m e / D ? U , 9 ^ 34 Flow measurement, Enter time E n t e r time E n t e r time sampling and analysis ( d ) , and B O D ( m e / 1 ) ? 5 . 9 8 ( d ) , and B O D ( m e / 1 ) ? 6 , 1 0 U ( d ) . and B O D ( m e / D ? 7 . 87^1 m e / 1 Rate constant (base 1 0 ) = . lUSS^ilS per d a y Another set of r e s u l t s (Y/N)? 3. 55 m wide and for a range of heads of 5 to 200 mm.
Basic Water and Wastewater Treatment by T H Y Tebbutt (Auth.)