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  2. Water purification - Wikipedia

    en.wikipedia.org/wiki/Water_purification

    Slow "artificial" filtration (a variation of bank filtration) into the ground at the Water purification plant Káraný, Czech Republic A profile of layers of gravel, sand and fine sand used in a slow sand filter plant. Slow sand filters may be used where there is sufficient land and space, as the water flows very slowly through the filters ...

  3. Crystallization - Wikipedia

    en.wikipedia.org/wiki/Crystallization

    The appearance and size range of a crystalline product is extremely important in crystallization. If further processing of the crystals is desired, large crystals with uniform size are important for washing, filtering, transportation, and storage, because large crystals are easier to filter out of a solution than small crystals. [8]

  4. Filtration - Wikipedia

    en.wikipedia.org/wiki/Filtration

    Centrifugal filtration is carried out by rapidly rotating the substance to be filtered. The more dense material is separated from the less dense matter by the horizontal rotation. [4] Gravity filtration is the process of pouring the mixture from a higher location to a lower one. It is frequently accomplished via simple filtration, which ...

  5. Water of crystallization - Wikipedia

    en.wikipedia.org/wiki/Water_of_crystallization

    In chemistry, water(s) of crystallization or water(s) of hydration are water molecules that are present inside crystals. Water is often incorporated in the formation of crystals from aqueous solutions . [ 1 ]

  6. Membrane technology - Wikipedia

    en.wikipedia.org/wiki/Membrane_technology

    In the simplest case, filtration is achieved when the pores of the membrane are smaller than the diameter of the undesired substance, such as a harmful microorganism. Membrane technology is commonly used in industries such as water treatment, chemical and metal processing, pharmaceuticals, biotechnology, the food industry, as well as the ...

  7. Fractionation - Wikipedia

    en.wikipedia.org/wiki/Fractionation

    Fractionation is widely employed in many branches of science and technology. Mixtures of liquids and gasses are separated by fractional distillation by difference in boiling point. Fractionation of components also takes place in column chromatography by a difference in affinity between stationary phase and the mobile phase.

  8. Mother liquor - Wikipedia

    en.wikipedia.org/wiki/Mother_liquor

    Crystallization can then be induced from this supersaturated solution and the resultant pure crystals removed by such methods as filtration and centrifugal separators. The remaining solution, once the crystals have been filtered out, is known as the mother liquor, and will contain a portion of the original solute (as predicted by its solubility ...

  9. Purified water - Wikipedia

    en.wikipedia.org/wiki/Purified_water

    However, demineralized water is often used interchangeably with deionized water and can be also confused with softened water, depending on the exact definition used: removing only the cations susceptible to precipitate as insoluble minerals (from there, "demineralization"), or removing all the "mineral species" present in water, and thus not ...

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