Household & Commercial Water Purifier
Filtration Media & Chemicals
Pump & Blower
Water resources continue to be one of the top environmental concerns around the world, leading to increased water recycling efforts in water and wastewater treatment facilities globally and reducing the consumption of fresh water. Getting wastewater to an acceptable level of purification for water reuse can be challenging as it requires several steps. On the other hand, it is important to have access to pure drinking water free from suspended solids and harmful pathogens. Ultrafiltration (UF) has shown demonstrated success in both applications.
UF is a process using a physical barrier to separate water and suspended solids, turbidity, silt, bacteria, and viruses from the feed water. In a system using pressurized PureULTRA II hollow fiber modules, the feed water may come from different sources such as surface water, groundwater, secondary or tertiary treated industrial wastewater, or other sources like tertiary treated municipal wastewater.
PureULTRA II UF modules are constructed using highly hydrophilic modified PVDF hollow fiber membrane with a tight nominal pore size of 0.025 micron. The outside-in flow configuration contributes to easier cleaning as it keeps the solids, pathogens, and other foulants on the outside of the fibers. The fiber is designed to handle most feed water sources and tolerate solids loadings while operating within an optimal flux range. These fibers offer 30% higher fiber tensile strength and elongation compared to state-of-the-art fibers on the market. They reject particulate matter, Giardia cysts, and Cryptosporidium oocysts, and can help in virus removal.
Air is injected into the module to loosen suspended solids on the fiber surface. This enables suspended solids in the module to be flushed out effectively and prevents the build-up of solids
Feed water flushes the exterior surface of the fiber and dilutes the retentate. Air scouring is incorporated in this process to ensure the suspended solids are dislodged before the backflush. This step reduces the use of permeate during backflush.
The membrane module undergoes a backflush cleaning sequence where filtrate is used to backflush the membrane from the inside pf the hollow fivers, dislodging the solids attached to the surface of the fiber on the side.
During the standard filtration process, the feed water contacts the exterior of the fibers and the product water is drown from the inside of the hollow fiber. This outside-in configuration has the advantage of larger membrane surface area, translating to higher flows.
Oily Water & Wastewater Treatment
Mine Tailing Pond Treatment
Ground Water Treatment
AQUADYN® UF Product Brochure
UF Process Design Questionnaire
AQUADYN Oily Water Treatment
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