从中国塑料加工工业协会获悉,目前,中国塑料管材的年增长率已达15%,位居世界第一位。有关人士指出,中国每年废水排放量已达620亿t,相当于每人每年排放49t,其中大部分未经处理直接排入江河湖泊,53%的近海海域受到污染,一些城市的供水水源水质恶化,直接影响到人民身体健康。在调 According to the China Plastics Processing Industry Association, at present, the annual growth rate of plastic pipes in China has reached 15%, ranking the first in the world. Relevant persons pointed out that China annually emits 62 billion tons of wastewater, equivalent to 49 tons per person per year, most of which are directly discharged into rivers and lakes and rivers and 53% of the coastal waters are polluted, and the water quality of some cities is deteriorating , A direct impact on people’s health. In tune