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Filtration Media

Filtration media separates solids from liquids or gasses by passing them through a porous material or medium. Reade supplies different choices of filtration media for various applications. Filtration media can be categorized as inorganic media made from minerals like sand, gravel, diatomaceous earth, and activated carbon, or organic Media made from natural sources, such as walnut shells and carbon-based media.

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Product Name
Description
Activated Carbon / Carbon Powder
Activated Carbon / Carbon Powder
Activated carbon, also called activated charcoal, is highly porous, contributing to its very large surface area. Its surface is also very reactive. It is a very useful adsorbent used in many filter systems to purify, dechlorinate, deodorize, and decolorize both liquid and vapor applications. Activated carbon is usually derived from waste products such as coconut or wood, where bulk sources are converted into charcoal before being 'activated.' Activated carbon from coal is referred to as activated coal. Activated carbons are economical adsorbents for many industries and purposes. Different types of activated carbon are suited for various specialized applications, with grade and size-specific applications.
Anthracite Filtration Media
Anthracite Filtration Media
This anthracite is thoroughly selected from anthracite, which yields the highest percentage of carbon. It is then hydraulically classified to reduce mineral matter and ash to a minimum and finally screened and washed to ensure suitability for filtration purposes. Anthracite properties deflect water absorption, which facilitates nano-filtration. Its irregular shape allows a free water flow, with a higher flow and less pressure drop than sand alone. It is perfect for use in water filtration systems. It is often used with sand as one of the most efficient ways to restore water for drinking or use.
Bentonite / Montmorillonite Clay
Bentonite / Montmorillonite Clay

Bentonite is an absorbent swelling clay consisting mostly of montmorillonite (a type of smectite) which can either be Sodium (Na)-montmorillonite or Calcium (Ca)-montmorillonite. Na-montmorillonite has a considerably greater swelling capacity than Ca-montmorillonite. As a swelling clay, bentonite can absorb large quantities of water, which increases its volume by up to a factor of eight.

Bone Char
Bone Char

Bone Char is a granular material produced by charring bovine bones: the bones are heated to high temperatures (in the range of 400 to 500 °C), and a unique form of activated carbon is created. Bone char consists mainly of calcium phosphate (Ca₃(PO₄)₂), Calcium Carbonate (CaCO₃), and a small amount of carbon (~12%); however, the quality of the bone chars is controlled by the amount of oxygen present in the charring atmosphere. Bone chars usually have a lower surface area than activated carbons but present high adsorptive capacities for copper, zinc, and cadmium. The carbonized material possesses great mechanical strength and improved adsorption of many chemicals, e.g., Fluorine, Chlorine, Lead, and many more.

Corn Cob Abrasive and Grit
Corn Cob Abrasive and Grit
Corn Cob Grit is an environmentally friendly free-flowing abrasive made from the hard cob. It is used primarily as a vibratory and tumbling media to absorb oils and dirt and to dry parts without affecting the surface of the parts. It is a safe and economical blasting media that can be used on delicate parts. Corn Cob grit is non-toxic, dust-free, long-lasting, reusable, and preserves micro finishes. Typical Physical Properties Hardness: MOH 4.5 Appearance: Granular angular particles Specific Gravity: 1.0 – 1.2 gm/cc
Diatomaceous Earth (DE)
Diatomaceous Earth (DE)

Diatomaceous earth, also known as Diatomaceous silica (SiO₂*nH₂O), is the fossilized remains of tiny, aquatic organisms called diatoms that have accumulated, creating silica deposits. DE has high absorption, low bulk density, and high brightness. There are two primary types of diatomaceous earth deposits - saltwater and freshwater. Saltwater DE is commercially processed in the United States and primarily used as a filter aid. Freshwater DE is ideal for agricultural uses because it typically has a low crystalline silica content (amorphous), is highly absorptive, and is an ancient pest control agent. As awareness of and concern about chemical pesticides grow, diatomaceous earth has increased interest as a non-toxic and natural alternative. It is also seen as a natural anti-parasitic by farmers and ranchers.

Magnesium Oxide (MgO)
Magnesium Oxide (MgO)

Magnesium oxide is a mineral that occurs naturally as periclase and is a source of magnesium. MgO has the acid buffering capacity and related effectiveness in stabilizing dissolved heavy metal species. Pharmaceutical Grade: Must conform to the USP, JP, and BP specifications Food Additive Grade: Must conform to the FCC specification Additional particle sizes available

Magnetite / Black Iron Oxide
Magnetite / Black Iron Oxide
Magnetite is an iron-oxide based mineral that contains equal amounts of iron(II) (FeO) and iron(III) (Fe₂O₃), with an empirical formula, Fe₃O₄, and it is often expressed as iron(II,III) oxide. Magnetite is a natural iron oxide magnet and the most magnetic of all the minerals on Earth. It is a black powder used extensively as a black pigment, Mars Black.
Manganese Dioxide (MnO₂)
Manganese Dioxide (MnO₂)

Manganese Dioxide (MnO₂), or Manganese (IV) Oxide, is a blackish or brown solid that occurs naturally as the mineral pyrolusite, the main ore of manganese.

Manganese Oxide (MnO)
Manganese Oxide (MnO)

Manganese Oxide (MnO), or Manganese (II) Oxide, is a green crystalline compound

Pecan Shell
Pecan Shell
Crushed pecan shells make up a large percentage of the nut and serve as a very useful natural organic material for many applications. Pecan Shell is available in various sizes, from coarse to medium to fine. Pecan Shell Flour RS is an antioxidant fiber source ground to 325 mesh and optimized for maximum antioxidant content.
Rice Hull
Rice Hull
Rice Hulls are a recycled resource. They are the hard protective coverings of grains of rice. In addition to protecting rice during the growing season, rice hulls can be used as a building material, fertilizer, insulation material, or fuel. Rice hulls are part of the chaff of the rice. Rice hulls are buff-colored to a light brown meal consisting primarily of the outer covering of the rice. It contains no oils.
Smectite Clay
Smectite Clay

Smectite, Magnesium Aluminum Silicate products are water-washed smectite clays that serve as suspension stabilizers, emulsion optimizers, and rheology modifiers. The powder is light tan.

Walnut Shell Powder
Walnut Shell Powder
Crushed walnut Shell products including grains, flour, and powder, are biodegradable, non-toxic, and environmentally safe. They qualify as vegan and halal. The material is organic and has a harmonious light brown color and a neutral smell. It is the most common type of soft abrasive for industrial use. English Walnut Shell Scientific Name: Juglans Regia Black Walnut Shell Scientific Name: Juglans Nigra

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