Wallace Tiernan — Dec 2006 Sludge water

Wallace & Tiernan - Dec. 2006 Sludge water recycling unit UFOX 10 Water Technologies

UFOX 10: Ultrafiltration und Oxidation Recycling of sand filter backwash water in swimming pools Slide 2 Water Technologies

Ultrafiltration System UFOX 10 n with double virus barrier Slide 3 Water Technologies

Recycled filter backwash water according to DIN 19645 standard Type 1 n Used for refilling water into the pool water process W&T - UFOX Type 2 n Used as cleaning water or toilet water high installation costs Type 3 n Waste water treated to feed directly in receiving water canal minor savings high installation work official permission required Slide 4 Water Technologies

Different Levels of Membrane Filtration Wallace & Tiernan UFOX 10 Slide 5 Water Technologies

Design of the Ultrafiltration Module n type Multibore® n pressure module IN/OUT membrane module n bore size 0, 01 µm membrane elements Slide 6 Water Technologies

DIN 19645 Standard Main requirements for recycling water type 1 u Multi virus barrier or daily test of integrity u Virus barrier with more then 7 log removal capability u Maximum 80% of the refill water from recycled water type 1 u New limits for the permeate (filtrate) chlorate < 5 mg/l bromate < 0, 2 mg/l u Minimum of 0, 3 mg/l chlorine in the recycled water (permeate) u 24 hour operation time for the ultra-filtration modules u Only non corrosive material have to be used Slide 7 Water Technologies

Typical swimming pool process with UFOX 10 Treatment levels: Level 1: Prefiltration Level 2: Flocculation & Adsorption Level 3: Ultrafiltration Level 4: Oxidation Level 5: Disinfection Slide 8 Water Technologies

UFOX 10 design with double virus barrier Slide 9 Water Technologies

Technical Data n Treatment capacity 10 m³ / day (24 hours) n Double virus barrier > 7 Log removal according to DIN 19645 n Additional oxidation with Inline- Electrolyse cell n Fully Automatic Operation n Special Wallace & Tiernan control electronic (no PLC) n RS 485 Interface for Chem. Web-Server or OPC Server Data Access n Auto- Adaptation for UF-backwash cycle time n Daily Integrity test of the Ultrafiltration membranes n Compact design (dimensions 1, 2 m x 1, 8 m x 0, 8 m) n Power consumption approx. 1, 5 k. Wh / m³ filtrat (ca. 15 Cent / m³) Slide 10 Water Technologies

Cost Saving Potential - UFOX 10 n Cost Saving Potential approx. 15. 000, - € / Year Slide 11 Water Technologies

UFOX 10 Advantages n Considerable reduction in operating costs, fresh water, waste water & energy n Short amortisation time n Fully automated operation with daily function and integrity tests n Dual virus barrier with more than 7 -log stages acc. to DIN 19645 n Continuous monitoring of the filtrate quality by measuring the Redox (ORP) voltage n Compact, space saving design Water Technologies Slide 12 n Self-optimising backwash intervals

Requirements for UFOX Operation n Sludge water tank available n Possibility for withdrawal of sludge water n Drain possibility for UFOX System n Optional: Pressure supply with approx. 6 – 8 bar (90 – 110 PSI) (pressure regulator integrated in UFOX 10) n Voltage free contact from sand filter backwash unit (sand filter backwash operation is in process) n Voltage free contact from splash water tank (max. level) Slide 13 Water Technologies n Usable with more then 12 m³ of filter backwash water (sludge water) per day

Backwash water recycling for swimming pools n UFOX 10 n Part No. AAD 5746 (incl. air compressor) 34. 850, - € (list price C 2) n AAD 5749 (for external air supply) 32. 345, - € (list price C 2) Slide 14 Water Technologies

UFOX 10 - Only one EWO Pool- Module Slide 15 Water Technologies

Additional possibilities to save costs with EWO Pool- Modules Slide 16 Water Technologies

EWO Pool: More Cost Saving Possibilities EWO Energy- and Water Optimization with: n. UFOX n. ECON Pool n. DEPOLOX Pool n. Barrier M Slide 17 Water Technologies