The Industry of Drinks
Microelectronics and Chemistry
Filtration of wine
Main applications of cartridge membrane filtration in wine-making
? Defertilizing filtration of wines in cold sterile filling conditions
? Removal of residual opalescence in hot filling conditions
? Fine filtration of flushing water and washing liquors
? Sterilizing filtration of air and carbon dioxide, "breathing" of tanks
Required conditions for faultless final membrane filtration
? Careful preliminary preparation of wine material
? Prefiltration of wine through a filter press incorporating a high-quality cardboard
? Availability of sterile service media
? Carefully prepared deferilized vessels provided with filters for sterile breathing
? Careful sterilization of equipment and all materials coming into contact with wine
? Good sanitary state of the manufacturing plant
Membrane filtration is the most common technique used for microbiological stabilization of beverages with no use of chemicals or heating. In contrast to pasteurization, cold stabilization preserves aroma, taste and the fine structure of wine.
EPM (ЭПМ) membrane filters ensure complete retention of wine-spoiling microorganisms.
EPV (ЭПВ) fine filters displaying a high dirt-holding capacity and a long service life ensure excellent protection of the membrane element and extension of its service life.
EPM.PS (ЭПМ.ПС) new generation cartridge filter incorporating a polyethersulfone membrane
Technofilter presents EPM.PS (ЭПМ.ПС) new generation cartridge filter incorporating a polyethersulfone membrane, specially developed for defertilization of wine and beer that can withstand multiple washing, reconditioning and sterilization.
Most filling lines use two-stage filtration of wines before filling.The "prefilter-final filter" combination increases the reliability of the process, ensure maximum filtration rate, a long service life and cost-effectiveness of the filtration system. To ensure high-quality prefiltration, Technofilter recommends pleated depth filter cartridges EPV.S (ЭПВ.С) and, EPVg.P (ЭПВг.П) that can be repeatedly reconditioned.
Recommended options for prefiltration before membrane filter elements
Brief specification of depth filter elements used at preliminary and final stages of filtration of wines
Component parts of filtration systems
Filter holders for liquid filters
Technofilter presents DS-3, DS-5 and DS-8 (ДС-3, ДС-5 and ДС-8) filter holders (NEW series) made of 12Kh18N10T (12Х18Н10Т) stainless steel.
? High-quality finishing of inner and outer surfaces
? Easy access to internal cavities for visual inspection and washing
? No hidden or hard-to-reach cavities owing to extra lightweight spacer
? No stagnant zones
? Complete evacuation of liquid through drain valve
? Increased accuracy and finishing of nests for adaptors and of surfaces for sealing parts ensure high impermeability of boundaries between the feed, the filtrate and the outer environment
? Simplified on-site assembly owing to hinged connection of pipe sockets to the base. The filter holder is provided with pressure gages for monitoring of flow resistance.
On customer's request, Technofilter produces manually or automatically controlled systems UPF.R or UPF.A (УПФ.Р or УПФ.А) on the basis of NEW series multicartridge filter holders, designed for various flow rates (0.5 to 16.0 m3/hour or more). Technofilter designs, fabricates and assembles the systems in accordance with individual requirements of the customer.
The systems are compact, mobile and easy to operate. They can be installed permanently on a specific position, on a frame or on a mobile carriage. The systems consist of several filtration units, are completely assembled (pumping unit, measuring equipment, control valves, piping, etc) and are ready for operation.
"Absolute-quality" automatically controlled systems
"Absolute-quality" automatically controlled systems (UPF.A/УПФ.А) intended for final filtration before filling enjoy special popularity with customers at distillery and wine-making plants. The standard system is based on a 2-stage filtration concept. The systems can be additionally provided with a filter unit for preparation of service media. The systems vary in the set of components (selected options) and the degree of automation. Everything depends on the beverage to be filtered and individual requirements of the customer.
? Steadily high quality of beverages
? Smooth start-up, maintenance of prescribed pressures at the input and output of the system
? No hydraulic blows
? Optimum set of options, compact size
? Full exhaustion of service life of filter elements
? Touchpad for real-time control of all filtration parameters
? Cleaning of filter elements with high-purity water or reconditioning with washing solutions directly inside the system without using any extra pump
? Removal of residual product with sterile compressed air
? Reliable component parts
"Absolute-quality" systems make the process of filtration extremely graphic, reliable and cost-efficient for the customer. The user can have complete control over the process of filtration and feel assured of the final product quality.
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