有机无毒物,又 称耗氧(需氧)有 机物,或可生物 降解有机物。 &Dpen 3 oom S DF b FIGURE 1510 Effect of Organic Wastes on b npm Dissolved Oxen. sw?ge conan a ligth concentration of organic materal when these are degraded by organisms oxygen is tenoned trom the waer Therefore, there is an ierse relationship between sewage and oxyge in the water The greater the Bob, the less desirable the water is for human16 有机无毒物，又 称耗氧(需氧)有 机物，或可生物 降解有机物