000			01908nam a2200241 a 4500
020			_a0340676450
020			_a9780340676455
020			_a0470236329
020			_a9780470236321
082			_a363.7394 _bGRA
100			_aGray, N.F. ;
245			_aWater technology : an introduction for scientists and engineers
260			_aLondon : _bArnold, _c1999
300			_axi, 548p. : _billustrations ;
500			_aIncluded Index.
505			_a1. Basic considerations in hydrobiology -- 2. Water resources -- 3. Factors determining the distribution of animals and plants in freshwaters -- 4. Basic aquatic ecosystems -- 5. Micro-organisms and pollution control -- 6. Water pollution -- 7. Water basin management -- 8. Water quality and regulation -- 9. Water quality assessment -- 10. Water treatment and distribution -- 11. Drinking water contamination -- 12. Pathogens and their removal -- 13. Nature of wastewater -- 14. Introduction to wastewater treatment -- 15. Biological aspects of secondary sewage treatment -- 16. Fixed-film systems -- 17. Activated sludge -- 18. Other biological treatment systems -- 19. Anaerobic treatment -- 20. Physico-chemical treatment processes -- 21. Sludge treatment and disposal -- 22. Household and small-scale treatment systems -- 23. Sustainability principles in water management.
520			_a"Written as a comprehensive and accessible introduction, Water Technology introduces the key concepts of hydrobiology, water treatment and supply, and waste-water treatment. Throughout the book the environmental impacts of policy and practice are assessed." "Water Technology is essential reading for the environmental science or engineering student."--Jacket.
650			_aWater quality management.
650			_aSewage disposal.
650			_aFreshwater biology.
650			_aWater quality biological assessment.
942			_cREF
999			_c12977 _d12977