backwash cascade

Using different back-washing methods – cold water, hot water and alkali lye to revive the membrane.

选择聚芳醚砜酮(PPESK)中空纤维微滤膜对酱油原液进行除菌实验,代替其传统工艺中高温灭菌-静置沉降-多次过滤等工艺,考察了滤膜的除菌效果及操作参数(压力、温度、时间等)对渗透通量的影响,选择了冷、热水反洗和碱液清洗的方法对污染膜进行再生处理,并对反洗效果进行了考察比较,确定了最佳操作参数。

Production practice and backwash reformation of pressure filter for the residue of cyanidation;

氰渣压滤机的反洗改造与生产实践

Different amounts of reagents were added into discs with different filtration precision,the difference of the two kinds of filters in parameters of influent and effluent turbidity,suspended solids,periodic quantity of water produce,FPI,head loss,flux,backwash and so on were compared and studied.

针对不同过滤精度的盘片在不同的加药量下,对比研究了两种过滤器进出水的浊度和悬浮固体含量、周期产水量、FPI值、水头损失、流量、反洗等工艺性能参数的差异。

PCF varying pore fiber filter is a water treatment device,which has such characteristics as high filtration accuracy,backwash thoroughly,filtration rate as high as 100 m3/(m2·h),low self water consumption.

PCF孔隙调节型纤维过滤器是一种过滤精度高、反洗彻底、滤速可达100 m3/(m2。

The best parameter of inverse cleanup is defined through the analyses and calculation of water pressure on inverse washing and clearing of GSL high-speed filter.

通过对GSL系列高速过滤器反冲洗压力、强度的分析计算,来确定最佳反洗参数;同时提出了设备设计制造过程中滤帽、反洗气管等结构的改进措施以增强反洗效果。

A 4 t/h chain boiler's time drainage and the backwashing water from the ion resin intenerating pot have been sampled and measured.

实测了一台4t/h链条炉的排污水、离子树脂反洗水,设计了飞灰碱性溶出率的条件试验,并从理论上计算了碱性废物烟气脱硫的可能性。