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1)  schmutzdecke
滤膜(慢滤池)
2)  slow biological filter
生物慢滤池
1.
The slow biological filter technology was determined for drinking water treatment according to the characteristics such as great difference between high and low terrain,serious seasonal shortage of water,low per capita income,relatively decentralized population distribution and main water sources being springs,natural rainfall and water pond in the counties located in Three Gorges Reservoir area.
根据三峡库区所在县市地势高低悬殊、季节性缺水严重、人均收入偏低、人口分布相对分散以及饮水水源主要为泉水、天然降水及池塘水等特点,确定采用生物慢滤池技术进行饮用水处理。
3)  scraping [英]['skreɪpɪŋ]  [美]['skrepɪŋ]
(慢滤池)刮砂
4)  Linked to filter membrane
滤池挂膜
5)  filter unloading
滤池卸膜
6)  filter slime
滤池粘膜
补充资料:多层滤料滤池
分子式:
CAS号:

性质:一种下流式重力深床滤池。一般采用3种滤料,上层为无烟煤(粒径1~2mm),中层为砂(粒径0.4~0.8mm),底层为石榴石(粒径<0.5mm)。过滤速度为10m/h,反冲强度为48~72m/h。在对生物处理后的出水进行过滤时,需采取某种形式的辅助冲洗措施。

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