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Ceramic Membrane Filtration System Kubota FILCERA?
1. System Outline
The KUBOTA FILCERA? is a Tank-submerged Type Ceramic Membrane Filtration System using the unique ceramic membrane developed by our company. Membrane modules are stacked in the membrane tank. Since the membrane filtration of raw water can be carried out directly, the system is simple and compact, and maintenance is also easy. (Refer to Fig.1) This system can remove turbidity and coliforms as well as Cryptosporidium completely, and it has many excellent features. So the system is suitable for the water purification of various kinds of raw water.
2. Characteristics
Excellent Water Quality The quality of membrane filtrate is higher than that of conventional coagulation / settling / rapid sand filtration process.
Stable for Fluctuations in Turbidity of Raw Water Without any pretreatment to reduce raw water turbidity, the membrane surface adhesion can be effectively removed by the cross-flow filtration with circulating air bubbles and the intermittent backwash. Even under conditions of high or changing turbidity, it maintains stable filtration performance. (Refer to Fig.2)
Long Life of Ceramic Membrane Since the ceramic membrane has the high resistance to chemicals and microorganisms erosion, and has mechanical toughness, neither qualitative change nor degradation arises. So, it has a very long life of 15 years.
Biological Treatment, Fe and Mn Removal Ammonia nitrogen can be removed by biological action in the membrane tank. Dissolved Fe and Mn is also removed by air diffusing, biological action and adsorption to the turbidity matters concentrated in the tank.
Recovery Ratio is Controllable Since suspended solids can be concentrated to high degree within the tank, the quantity of drainage can be controllable (Recovery ratio : 90-over 99%).
Easy Steps to Perform Advanced Water Purification It is possible to remove effectively offensive odor, trihalomethane precursors, etc by an advanced system combined with powdered activated carbon, which will stay in the membrane tank for a long time.
3. Performance
Membrane material: Ceramic sintered aluminum oxide (external pressure tubular type)
Nominal pore size: approx. 0.1μm (micro-filtration)
Filtration flux: 1.0-2.0 m3/(m3 x day)
Driving force: water and suction pressure
4. Fields of Application and Target Waste
Water Purification, Advanced water purification
Sludge treatment in purification plant
Advanced treatment of sewage, landfill leachate, etc
Waste water treatment containing glass abrasive
Pretreatment of seawater desalination
The germ separation and refining of fermentation
Furthermore, the ceramic membrane is combined with Activated Sludge Process, and it has been applied to sewage treatment, domestic waste water treatment etc.
陶瓷膜过滤装置
这是一款通过控制在0.1μm的微细孔的陶瓷膜,精密过滤原水的装置。它能
够可靠地去除浊度、色度、病原性微生物、铁、锰和砷,将井水、工业用水
过滤到和自来水的水质相等的程度。装置结构简单,可降低用水成本。
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