MW-TLC塔式生物滤池与普通的滤池相比,生物塔滤增加了滤池高度,可分层放置填料,通风良好,弥补了普通生物滤池(非曝气)溶解氧不足的缺陷。我厂采用轻质的塑料材质大孔径波纹孔板滤料,如环氧玻璃布料制成的蜂窝结构(或尼龙花瓣型软性滤料)。塔式生物滤池的净化也是通过填料表面的生物膜的新陈代谢活动来实现。
MW-TLC塔式生物滤池的优点是负荷高、产水量大、占地面积小,对冲击负荷量小和水质的突变适应性较强。
MW-TLC塔式生物滤池主要技术参数
Name | Common biological filter | High load biological filter | Tower biological filter |
Surface load(m³/m².d) | 0.9~3.7 | 9~36(including reflux) | 16~97(including reflux) |
BOD5 load(kg/ m³.d) | 0.11~0.37 | 0.37~1.084 | Up to 4.8 |
Depth(m) | 1.8~3.0 | 0.9~2.4 | 8~12 or more deeper |
Reflux ratio | None | 1~4 | With larger reflux ratio |
Filtering media | Multi-use gravel | Multi-use plastic filter | Plastic filter |
The specific surface area(m²/ m³) | 43~65 | 43~65 | 82~115 |
The porosity (%) | 45~60 | 45~60 | 93~95 |
Bio-film shedding | intermittently | continuously | continuously |
Operating requirements | Simple | Technical support | Technical support |
Dosing frequency | Less than 5min | Continuous dosing | Continuous dosing |
Sludge | Black, highly oxidized | Brown, not fully oxidized | Brown, not fully oxidized |
Effluent | Absolutely nitrification | Not fully nitrification | Not fully nitrification |
BOD5£20mg/l | BOD5³30 mg/l | BOD5³30 mg/l | |
BOD5 Removal(%) | 85~95 | 75~85 | 65~85 |
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