Customization: | Available |
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Membrane Type: | Hollow |
Type: | Gas-permeable membrane |
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WOBO Membrane Contactor for Ammonia Stripping is designed to control water temperature between 35-45°C, with an inlet pH range of 10.5-12. The influent should have a suspended solids (SS) concentration of ≤5mg/L and a surface tension of ≥60mN/m. This innovative technology combines the traditional methods of ammonia stripping and acid absorption into a single membrane module, streamlining the two-step process within one unit.
In wastewater treatment, when pH or temperature rises, ammonium ions (NH4+) shift to gaseous NH3. Wastewater with ammonia nitrogen flows outside the hollow fiber membrane, and acid absorption solution flows inside. Gaseous NH3 passes through micropores, absorbed by the acid solution and converted back to ionic NH4+. Maintaining pH above 10 and temperature between 35-45°C facilitates NH4+ transformation, reducing ammonia nitrogen concentration to below 1mg/L. The process yields pure ammonium salt for reuse, suitable for various industries.
Model | WTJ-6X14 | WTJ-6X28 | WTJ-10X28 | WTJ-12X28 | WTJ-16X28 | WTJ250 | WTJ400 |
Membrane Shell Diameter | 160mm | 160mm | 250mm | 315mm | 400mm | 250mm | 400mm |
Module Length | 780mm | 1056mm | 1081mm | 1188mm | 1156mm | 1161mm | 1281mm |
Module Weight | 6kg | 11kg | 25kg | 85kg | 92kg | 27.5kg | 100kg |
Treatment Capacity | 0.2~0.25m3/h | 1~1.5m3/h | 2~3.5m3/h | 3~6m3/h | 6~14m3/h | 2~3.5m3/h | 6~14m3/h |
Standard Removal Rate | 40~65% | 40~65% | 40~65% | 40~65% | 40~65% | 45~75% | 45~75% |
Inlet Ammonia Nitrogen | <20000ppm | <20000ppm | <20000ppm | <20000ppm | <20000ppm | <20000ppm | <20000ppm |
Produced Water Ammonia Nitrogen Can Reach | <1ppm | <1ppm | <1ppm | <1ppm | <1ppm | <1ppm | <1ppm |
Operating Pressure | <=0.3MPa | <=0.3MPa | <=0.3MPa | <=0.3MPa | <=0.3MPa | <=0.3MPa | <=0.3MPa |
Operating Temperature | 25~40ºC | 25~40ºC | 25~40ºC | 25~40ºC | 25~40ºC | 25~40ºC | 25~40ºC |
Operating pH | 0.5~13 | 0.5~13 | 0.5~13 | 0.5~13 | 0.5~13 | 0.5~13 | 0.5~13 |
Operating Surface Tension | >=65mN/m | >=65mN/m | >=65mN/m | >=65mN/m | >=65mN/m | >=65mN/m | >=65mN/m |
WOBO Group has been engaged in the cryogenic and air separation industry for decades. It operates a variety of products such as cryogenic vessels, air separation equipment, chemical storage and transportation equipment, etc. It has always been our aim to provide customers with the best products and solutions.
WOBO Group has technically cooperated with a number of large-scale famous membrane manufacturers, and jointly developed with well-known domestic universities and colleges, and established a comprehensive laboratory for production inspection and testing. At present, WOBO membranes have been applied in more than 30 countries around the world.
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Customized on demand