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Coagulation (water treatment)

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In water treatment, coagulation flocculation involves the addition of polymers that clump the small, destabilized particles together into larger aggregates so that they can be more easily separated from the water. [1]

19 relations: Alum, Colloid, Electrocoagulation, Filtration, Flocculation, Industrial wastewater treatment, Industrial water treatment, Ion, Organic matter, Particle aggregation, Polymer, Redox, Sedimentation, Streaming current, Titanium, Turbidity, Van der Waals force, Water treatment, Zirconium.


An alum is a type of chemical compound, usually a hydrated double sulfate salt of aluminium with the general formula, where X is a monovalent cation such as potassium or ammonium.

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In chemistry, a colloid is a mixture in which one substance of microscopically dispersed insoluble particles is suspended throughout another substance.

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Electrocoagulation (EC), aka radio frequency diathermy or short wave electrolysis, is a technique used for wash water treatment, wastewater treatment, industrial processed water, and medical treatment.

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Filtration is any of various mechanical, physical or biological operations that separate solids from fluids (liquids or gases) by adding a medium through which only the fluid can pass.

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Flocculation, in the field of chemistry, is a process wherein colloids come out of suspension in the form of floc or flake, either spontaneously or due to the addition of a clarifying agent.

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Industrial wastewater treatment

Industrial wastewater treatment describes the processes used for treating wastewater that is produced by industries as an undesirable by-product.

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Industrial water treatment

There are many uses of water in industry and, in most cases, the used water also needs treatment to render it fit for re-use or disposal.

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An ion is an atom or molecule that has a non-zero net electrical charge (its total number of electrons is not equal to its total number of protons).

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Organic matter

Organic matter, organic material, or natural organic matter (NOM) refers to the large pool of carbon-based compounds found within natural and engineered, terrestrial and aquatic environments.

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Particle aggregation

Particle agglomeration refers to formation of assemblages in a suspension and represents a mechanism leading to destabilization of colloidal systems.

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A polymer (Greek poly-, "many" + -mer, "part") is a large molecule, or macromolecule, composed of many repeated subunits.

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Redox (short for reduction–oxidation reaction) (pronunciation: or) is a chemical reaction in which the oxidation states of atoms are changed.

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Sedimentation is the tendency for particles in suspension to settle out of the fluid in which they are entrained and come to rest against a barrier.

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Streaming current

A streaming current and streaming potential are two interrelated electrokinetic phenomena studied in the areas of surface chemistry and electrochemistry.

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Titanium is a chemical element with symbol Ti and atomic number 22.

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Turbidity is the cloudiness or haziness of a fluid caused by large numbers of individual particles that are generally invisible to the naked eye, similar to smoke in air.

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Van der Waals force

In molecular physics, the van der Waals forces, named after Dutch scientist Johannes Diderik van der Waals, are distance-dependent interactions between atoms or molecules.

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Water treatment

Water treatment is any process that improves the quality of water to make it more acceptable for a specific end-use.

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Zirconium is a chemical element with symbol Zr and atomic number 40.

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[1] https://en.wikipedia.org/wiki/Coagulation_(water_treatment)

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