River Pollution: Causes and effectsButterworths Scientific Publications, 1959 |
From inside the book
Results 1-3 of 90
Page 147
... water , and to construct new reservoirs and other works 19 . In this chapter , we shall consider the various uses of river water , the requirements and qualities necessary for the particular purpose or purposes for which ... RIVER WATER 147.
... water , and to construct new reservoirs and other works 19 . In this chapter , we shall consider the various uses of river water , the requirements and qualities necessary for the particular purpose or purposes for which ... RIVER WATER 147.
Page 155
... water . The character of the soil and subsoil are of great importance ; thus , sand and gravel soils are highly permeable to water whereas clay soils are almost ... water from wells or boreholes , sea - water USES OF RIVER WATER 155.
... water . The character of the soil and subsoil are of great importance ; thus , sand and gravel soils are highly permeable to water whereas clay soils are almost ... water from wells or boreholes , sea - water USES OF RIVER WATER 155.
Page 159
... water involves the use of magnesia or of dolomitic lime in conjunction with the hot or cold lime - soda softening process 64 . COOLING WATER Cooling water is essential for many industrial processes and the quantities ... RIVER WATER 159.
... water involves the use of magnesia or of dolomitic lime in conjunction with the hot or cold lime - soda softening process 64 . COOLING WATER Cooling water is essential for many industrial processes and the quantities ... RIVER WATER 159.
Contents
LEGAL ASPECTS of River POLLUTION | 11 |
NATURE AND Effects of PolLUTION | 22 |
CAUSES OF RIVER POLLUTION | 110 |
Copyright | |
6 other sections not shown
Other editions - View all
Common terms and phrases
Abstr acid activated sludge aeration algae alkaline ammonia anaerobic animals aquatic autotrophic bacteria biochemical biological carbon dioxide cause cent chemical chironomid chlorine colour compounds concentration containing cyanide de-oxygenation dilution discharge disposal dissolved oxygen drainage effect effluents enzymes factors fauna Figure fish Fisheries flow freshwater fungus goldfish growth hydrogen sulphide increased industrial wastes Inst larvae London methods micro-organisms Ministry nature nitrate nitrogen number of species odour organic matter organic pollution oxidation oxygen content pH value phenols plants populations present processes Public Health Purif radioactive rainbow trout re-aeration reduced Report River Board river pollution river water salts saprobic self-purification sewage effluents sewage fungus Sewage industr Sewage Wks sewers Simulium sodium solution Sphaerotilus stations stickleback stream bed substances sulphate sulphur surface synthetic detergents Table temperature tion tolerant toxic trade wastes treatment Tubificids waste waters Water Pollution Water Pollution Research water supplies zinc zone