Remove tramp oil, suspended solids and bacteria from water-based fluids to maintain the fluid in optimum condition for extended service life.
Clarisep Crossflow Filtration
Pall Clarisep Crossflow Filtration systems remove tramp oil, suspended solids and bacteria from water-based fluids to maintain the fluid in optimum condition for extended service life.
These systems can also be used to process oily wastewater, minimizing the volumes that have to be disposed of off-site.
Clarisep crossflow systems are fully automated, user-friendly and simple to operate with minimal supervision. All operations are controlled by a programmable logic controller (PLC) incorporating a display that provides clear and concise instructions and information throughout all stages of the fluid separation cleaning cycle.
Principles of Crossflow Filtration
Unlike traditional filtration that has the flow stream perpendicular to a fibrous filter medium, Pall® crossflow systems direct the flow of fluid across the surface of a porous membrane. The sweeping action of the flow across the membrane surface prevents contaminants from building up on the membrane material. Emulsified oil and grease, bacteria, fungi, and suspended solids are larger than the membrane pores and are, therefore, held back. Since the molecules of water and compounds in solution are smaller than the membrane pores, they will preferentially pass through the membrane producing a clean permeate solution. All Clarisep systems automatically regenerate the membranes in-situ for extended life.
Application Example – Wash Fluids
Wash fluids are often changed prematurely due to the presence of tramp oils (oils carried over from previous machining operations). As the concentration of these contaminants increases, the residue can be left on components leaving the wash system. Clarisep crossflow systems remove these contaminants from the wash fluid, resulting in cleaner parts and longer wash fluid service life.
- Control over oil concentration in the system
- Maximized fluid life
- Reduced maintenance, disposal, refill and reheat costs
- Cleaner, oil-free components
Application Example – Oily Wastewater
Regulations governing the disposal of waste fluids are becoming increasingly more comprehensive. Many disposal practices that were once permissible are now considered unacceptable or require additional special disposal treatment at considerable cost. Many industrial manufacturing sites dispose of large volumes of oily wastewater by tankering off-site by an approved contractor. As much as 98 % of this volume is water. Clarisep crossflow systems can separate water from oil/water emulsions such as used machine tool coolant. This water can then be recycled for re-use on-site or disposed of down the drain (subject to local regulations) thereby drastically reducing disposal costs.
- Reduced disposal costs
- Enhanced environmental protection
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