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Mesh to MM Size Conversion Chart

Mesh sizes of standard wire sieves – British and US standards Mesh Number Nominal aperture size (mm) BS410 ASTM E-11-61 3 5.60 - 3½ 4.75 5.66 4 4.00 4.76 5 3.35 4.00 6 2.80 3.36 7 2.36 2.83 8 2.00 2.38 10 1.70 2.00 12 1.40 1.68 14 1.18 1.41 16 1.00 1.19 18 0.850 1.00 20 - 0.841 22 0.710 - 25 0.600 0.707 30 0.500 0.595 35 0.500 - 36 0.425 - 40 - 0.420 44 0.355 - 45 - 0.354 50 - 0.297 52 0.300 - 60 0.250 0.250 70 - 0.210 72 0.212 - 80 - 0.177 85 0.180 - 100 0.150 0.149 120 0.125 0.125 140 - 0.105 150 0.106 - 170 0.090 0.088 200 0.075 0.074 230 - 0.063 240 0.063 - 270 - 0.053 300 0.053 - 325 - 0.044 400 - 0.037

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5 ways to remove ARSENIC from water

Source - Arsenic (As) is not easily dissolved in water, therefore, if it is found in water supply, it usually comes from mining or metallurgical operations or from runoff from agricultural areas where materials containing arsenic were used as industrial poisons. Arsenic and phosphate easily substitute for one another chemically,...

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Everything You Need To Know About Activated Carbon

If you're like most people, you're probably wondering what activated carbon is, and its application. An easy way to describe it is that it is a refined form of carbon which has many pores thus an increased surface area used for absorption or in chemical reactions. The following is most...

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Water Filters – What Are Microns ?

When you think of water filters and safe drinking water in general, you often run into the word micron. But what is a micron, and why is it important ? This information article provides you with a basic look at microns and how you can use this information to get...

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Basics of multi media filtration

Purpose of a Multi-­‐Media Filter  A Multi-­Media Filter is used to reduce the level of suspended solids (turbidity) in incoming feed water. Suspended solids consist of small particles such as silt, clay, grit, organic matter, algae and other microorganisms. Incoming feed water that is high in suspended solids can cause a...

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Iron in water and processes for its removal

The removal of iron and manganese has been the subject of numerous papers over the last 50 years or more. Although this paper is entitled "Iron in Water and Processes for Its Removal", we will also address manganese removal, since both elements frequently occur together and impart similar objectionable characteristics...

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Advantages of Anthracite Filter Media 

Anthracite Filter Media are filtration materials for turbidity and suspended solids (SS) removal. Since the specific gravity is lighter than that of Filter Sand, it is much used in combination with filter Sand in dual-Media filtration, to consist reverse grain layers after backwashing. In addition, because of high content carbon...

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Garnet Filter Media Advantages

Garnet is mined from almandite and andradite mineral deposits in Australia, and India. In its natural state, garnet is a semi-precious stone. Once extracted, it is washed, processed and screened to the necessary grade as per the usage. High specific gravity allows unique filter design In combination with other filter medias, higher flow...

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Abrasive Blasting Vs Sandblasting: What’s the Difference ?

Abrasive blasting is an all-purpose term used to describe any surface treatment in which a blasting medium is propelled by high pressure onto a surface. This process is most commonly used to remove unwanted surface coatings, but it also may be used to apply coatings or create decorative patterns. Most people...

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