Perlite is a naturally occurring siliceous rock of volcanic origin. This rock when crushed and heated under proper conditions expands to 20 times or more of its original volume. A special milling and classification process gives the correct particle size distributions needed for optimum performance as a filter aid.
Perlite FILTER AID improve filtering efficiency by increasing the permeability of the filter cake and is either added to the suspension to be filtered or built on the filter media as a layer through which the liquid must pass.
The physical character of expanded perlite bubbles lends itself to a variety of special purposes â?? including use as a filter aid separating small solid particles from liquids..
THE BENEFITS OF PERLITE AS A FILTER AID
Perlite FILTER AID are lightweight, inert, impart no taste or odor to liquids being filtered, and are virtually insoluble in mineral and organic acids at all temperatures. Solubility in strong alkaline solutions varies depending on temperature and contact time.
Without using a filter aid the solid particles in the liquid will soon accumulate on filtering surfaces and block them.
A perlite filter aid makes a filtering layer (cake) that transfers the actual filtering from the septum to the whole mass of filter aid. Filtration occurs in the tiny pores formed by the fine particles of filter aid.
Volume-Based Pre-coat Filtration
Perlite FILTER AID provide users with a lightweight material choice. Perlite filter aid grades provide the user with a density advantage from 20 to 50% over other types of FILTER AID. Perlite filter aid dry density ranges from 100 to 200 kg/m3 (6 to 12 lb/ft3), and the filter cake density range is 100 to 270 kg/m3 (7 to 17 lb/ft3). In contrast, other filtration materials produce equal performance filter cakes in the range of 230 to 420 kg/m3 (15 to 25 lb/ft3).
Industrial care, Paint & Coating, food processing, Pharma, Chemical, Environmental, water treatment, lubricants. Perlite base Filter Aid is a natural aid to industrial filtration for making the filtration system fast and more economical. Perlite Filter Aid have gained acceptance in almost every industry concerned with the separation of liquid and solids and even gasses and solids. It is used in filtration like starch, juice, resins, beers, wines, sweeteners, vegetable Oil, wastewater treatments, edible Oil, enzymes, antibiotics and epsom salt. It is used in storm water filtration, ecology embankments, media filter drains, water treatment, sizingâ??s, Oil & solvent recovery, greases, dyes, resins, and paints
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Perlite is a naturally occurring siliceous rock of volcanic origin. This rock when crushed and heated under proper conditions expands to 20 times or more of its original volume. A special milling and classification process gives the correct particle size distributions needed for optimum performance as a filter aid. Perlite FILTER AID improve filtering efficiency by increasing the permeability of the filter cake and is either added to the suspension to be filtered or built on the filter media as a layer through which the liquid must pass. The physical character of expanded perlite bubbles lends itself to a variety of special purposes â?? including use as a filter aid separating small solid particles from liquids. Lightweight expanded perlite bubble structures are milled and classified using clearly defined processes to produce perlite FILTER AID with specific flow characteristics. The various grades utilize the jagged interlocking structures (see image right) to create billions of microscopic channels between the filter aid particles to produce optimum flow rates and clarification abilities for a wide variety of applications. Perlite FILTER AID are both sterile and inert and are used for filtering liquids in the beverage, food and pharmaceutical industries. No tastes, colors or odors are imparted, and, subject to meeting the standards listed in the Food Chemicals Codex (published by the United States' National Academy of Sciences), are deemed safe for their intended use. Note: The Food Chemicals Codex is regarded as a source of information on the quality and purity of food grade substances, and is regarded as authoritative by many government agencies throughout the world.
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Product Introduction Metal powder serves as the only raw material for the sintered metal powder filter; no binders are used. It is generated by cold isostatic pressing and then sinters at high temperatures. By adjusting the process parameters and metal powder particle size, the pore size and distribution of the component can be changed. Utilize the pore structure, material composition, compressive strength, and other characteristics of different filter materials to develop filter products suitable for users. When the filter cake on the surface of the sintered metal powder filter element reaches a certain thickness, due to its high-strength performance characteristics, by backwashing or backflushing the filter element under a specific reverse pressure, the filter element can be cleaned and reused. Product parameters Material: stainless steel powder, brass powder, titanium powder Diameter: Length: 5 inches (125mm) 10 inches (250mm) 12 inches (300mm) 20 inches (500mm) 30 inches (750mm) 40 inches (1000mm) Interface form: M20 M30 222 226 Filtration accuracy: 0.45 micron 1 micron 3 microns 5 microns 10 microns 20 microns 30 microns 50 microns 80 microns 100 microns
Metal powder serves as the only raw material for the sintered metal powder filter; no binders are used. It is generated by cold isostatic pressing and then sinters at high temperatures. By adjusting the process parameters and metal powder particle size, the pore size and distribution of the component can be changed. Utilize the pore structure, material composition, compressive strength and other characteristics of different filter materials to develop filter products suitable for users. Product parameters Material: stainless steel powder, brass powder, titanium powder Diameter: Length: 5 inches (125mm) 10 inches (250mm) 12 inches (300mm) 20 inches (500mm) 30 inches (750mm) 40 inches (1000mm) Interface form: M20 M30 222 226 Filtration accuracy: 0.45 micron 1 micron 3 micron 5 micron 10 micron 20 micron 30 micron 50 micron 80 micron 100 micron Features Strong resistance to corrosion An inert metal with exceptional corrosion resistance is titanium. Strong alkali and strong acid media can be filtered using the titanium metal rod filter element. It has a wide range of applications in the chemical industry and in the filtering of the pharmaceutical industry's organic lysozyme production process. Good tolerance to high temperatures The titanium filter element has a high temperature resistance that goes up to 300C. In operational situations with high temperatures, this function is frequently used. The temperature resistance of the filter element made of polymer materials is normally limited to 50 C. The support and filter membranes will alter if the temperature goes beyond 50 C. It is frequently employed in the filtration of high-temperature liquids and steam filtration (steam filtration in fermentation processes), despite having a significant accuracy variance. Superior mechanical qualities With external pressure of 20 kg and internal pressure of 10 kg of destructive force, the titanium rod filter element has strong mechanical qualities and may be utilized in high pressure and quick filtration processes. The pore size of other polymer filter components will fluctuate or even break down when the external pressure is more than 0.5 MPa. Good regeneration Due to its superior corrosion resistance, high temperature resistance, and high strength performance, titanium rod filters have a good regeneration effect. There are two types of regeneration: chemical regeneration and physical regeneration treatment. Physical regeneration method: (1) Pure water recoil (2) Steam blowback (3) Ultrasonic cleaning Chemical treatment method: (1) Alkaline washing (2) pickling Applications Catalyst filtration and separation; Filtration of fluidized bed tail gas in petrochemical facilities and of high-temperature gas in the petrochemical industry; High-temperature flue gas purification in the metallurgical industry;
