水体污染物是指造成水体水质、水中生物群落以及水体底泥质量恶化的各种有害物质（或能量）。水体污染物从化学角度可分为无机有害物、无机有毒物、有机有害物、有机有毒物4类。
3仅靠木炭填料吸附、截留作用去除水体污染物能力有限。
The charcoal filling has tenuity effect in the improvement of water quality were only by its absorption and interception function.
对甲壳动物来说，水体污染物引起的环境压力是其免疫力下降的一个重要原因。
For crustaceans, water pollution which causes the environmental stress is the important reason for the decline of the immunity.
作为一种新型的零价铁材料，海绵铁在处理水体污染物的过程中显示了较强的处理能力。
As a new type of zero-valent iron, sponge iron possesses positive capacities for removing pollutants from water body.
应用推荐