Domestic Water Treatment for Developing Countries

摘要: Nearly 75% of the present global population lives in developing parts world and since rate increase many such areas is also higher than that industrialized countries, share Third World will have increased to almost 80% by year 2000 (WHO,* 1981). Moreover, regions either suffer from chronic shortages fresh water or readily accessible resources available there are heavily polluted, mainly with domestic wastes. The larger proportion countries rural suburban (WHO, 1981) conventionally treated drinking generally unavailable settings. Even though urban centers these centralized facilities for conventional treatment water, quality often suspect, because improper as a result its contamination during distribution storage. This lack sufficient quantities consumption unsafe known be responsible large disease burden (Briscoe, 1987; Esrey Habicht, 1986; Grant, 1987). Therefore, provision adequate safe growing has become challenging task. As shown Table 8.1, International Drinking Water Supply Sanitation Decade (IDWSSD), which was launched 1981, aimed at addressing this problem (Deck, Lowes,