随着工业生产的发展,工业废水的排放量日益增加。故对防止天然水域污染问题已引起有关部门的十分重视。由于工业废水往往含有大量的有毒物质,若让这些毒物进入江、河、湖、海,不但会直接毒害鱼、贝类,使鱼、贝肉变质,损害水生生物资源,而且将会影响人民身体健康。因此,进一步 With the development of industrial production, the discharge of industrial wastewater is increasing day by day. Therefore, the issue of preventing natural water pollution has drawn great attention from relevant departments. As industrial waste water often contains a large amount of toxic substances, if these toxic substances are allowed to enter rivers, rivers, lakes and seas, it will not only poison fish and shellfish directly, degenerate fish and shellfish meat and damage aquatic resources, but also affect people’s health health. So further