Our country has short waterways and insufficient sewage-purification facilities, lots of the synthetic detergents being unresolved flow in the rivers and the sea, and cause serious influencies on the water pollution. Furthermore, people are using much more amount of the detergents than aprropriate ones at each home, being compared with the amount of water used, and though recognizing that the synthetic detergents are causing the environmental pollution , they are lack of the will of using the environment-friendly products. So I research and analyze the amount and actual condition of the synthetic detergents used in general home. The consequencies from this study are summerized as follows. First, the fewer the members of a family, the more they use the synthetic detergents per a man. This shows that the amount of the synthetic detergents is decided by the times of washing rather than the amount of the laundry, and dishing the dishes in all is the way to reduce the water and the detergent. Second, the amount of the detergent is less than the amount of water used, and 55% among the total amount of the detergents used is resolved in sewage-purification facilities, but a great deal of the rest of them are polluting the rivers and the seas, being unresoved. I began this study to know that how much of the synthetic detergents we use in general homes and how much this fact makes an influencies on river pollution. But I can't know exactly the ingredients of each synthetic detergent. So I think that we need to investigate the ingredients of the products spreading through the city, and the consistency of the synthetic detergents per one litter of water.
