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Separation process

Index Separation process

A separation process is a method that converts a mixture or solution of chemical substances into two or more distinct product mixtures. [1]

71 relations: Adsorption, Aluminium, Analytical chemistry, API oil–water separator, Bauxite, Capillary electrophoresis, Centrifugation, Centrifuge, Chemical compound, Chemical element, Chemical plant, Chromatography, Conical plate centrifuge, Crystallization, Cyclonic separation, Decantation, Deinking, Demister (vapor), Dialysis (biochemistry), Dissolved air flotation, Distillation, Drying, Electrophoresis, Elutriation, Evaporation, Extraction (chemistry), Field flow fractionation, Filtration, Flocculation, Fly ash, Fractional distillation, Fractional freezing, Froth flotation, Gasoline, Gel, Gravity separation, Hall–Héroult process, Hermetic seal, High-performance liquid chromatography, Hydrocarbon, Laboratory, Leaching (chemistry), Liquid–liquid extraction, Magnetic separation, Membrane technology, Mesh, Microfiltration, Micrometre, Mineral processing, Nanofiltration, ..., Natural gas, Natural-gas processing, Oil refinery, Paper recycling, Petrochemical, Petroleum, Precipitation (chemistry), Recrystallization (chemistry), Reverse osmosis, Scrubber, Sedimentation, Sieve, Solid phase extraction, Souders–Brown equation, Stripping (chemistry), Sublimation (phase transition), Synthetic membrane, Ultrafiltration, Unit operation, Winnowing, Zone melting. Expand index (21 more) »

Adsorption

Adsorption is the adhesion of atoms, ions or molecules from a gas, liquid or dissolved solid to a surface.

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Aluminium

Aluminium or aluminum is a chemical element with symbol Al and atomic number 13.

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Analytical chemistry

Analytical chemistry studies and uses instruments and methods used to separate, identify, and quantify matter.

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API oil–water separator

An API oil–water separator is a device designed to separate gross amounts of oil and suspended solids from the wastewater effluents of oil refineries, petrochemical plants, chemical plants, natural gas processing plants and other industrial oily water sources.

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Bauxite

Bauxite is a sedimentary rock with a relatively high aluminium content.

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Capillary electrophoresis

Capillary electrophoresis (CE) is a family of electrokinetic separation methods performed in submillimeter diameter capillaries and in micro- and nanofluidic channels.

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Centrifugation

Centrifugation is a technique which involves the application of centrifugal force to separate particles from a solution according to their size, shape, density, viscosity of the medium and rotor speed.

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Centrifuge

A centrifuge is a piece of equipment that puts an object in rotation around a fixed axis (spins it in a circle), applying a force perpendicular to the axis of spin (outward) that can be very strong.

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Chemical compound

A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) composed of atoms from more than one element held together by chemical bonds.

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Chemical element

A chemical element is a species of atoms having the same number of protons in their atomic nuclei (that is, the same atomic number, or Z).

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Chemical plant

A chemical plant is an industrial process plant that manufactures (or otherwise processes) chemicals, usually on a large scale.

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Chromatography

Chromatography is a laboratory technique for the separation of a mixture.

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Conical plate centrifuge

A conical plate centrifuge (also known as a disc bowl centrifuge or disc stack separator) is a type of centrifuge that has a series of conical discs which provides a parallel configuration of centrifugation spaces.

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Crystallization

Crystallization is the (natural or artificial) process by which a solid forms, where the atoms or molecules are highly organized into a structure known as a crystal.

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Cyclonic separation

A cyclonic separation is a method of removing particulates from an air, gas or liquid stream, without the use of filters, through vortex separation.

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Decantation

Decantation is a process for the separation of mixtures of immiscible liquids or of a liquid and a solid mixture such as a suspension.

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Deinking

Deinking is the industrial process of removing printing ink from paperfibers of recycled paper to make deinked pulp.

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Demister (vapor)

A demister is a device often fitted to vapor–liquid separator vessels to enhance the removal of liquid droplets entrained in a vapor stream.

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Dialysis (biochemistry)

In biochemistry, dialysis is the process of separating molecules in solution by the difference in their rates of diffusion through a semipermeable membrane, such as dialysis tubing.

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Dissolved air flotation

Dissolved air flotation (DAF) is a water treatment process that clarifies wastewaters (or other waters) by the removal of suspended matter such as oil or solids.

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Distillation

Distillation is the process of separating the components or substances from a liquid mixture by selective boiling and condensation.

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Drying

Drying is a mass transfer process consisting of the removal of water or another solvent by evaporation from a solid, semi-solid or liquid.

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Electrophoresis

Electrophoresis (from the Greek "Ηλεκτροφόρηση" meaning "to bear electrons") is the motion of dispersed particles relative to a fluid under the influence of a spatially uniform electric field.

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Elutriation

Elutriation is a process for separating particles based on their size, shape and density, using a stream of gas or liquid flowing in a direction usually opposite to the direction of sedimentation.

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Evaporation

Evaporation is a type of vaporization that occurs on the surface of a liquid as it changes into the gaseous phase before reaching its boiling point.

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Extraction (chemistry)

Extraction in chemistry is a separation process consisting in the separation of a substance from a matrix.

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Field flow fractionation

Field-flow fractionation, abbreviated FFF, is a separation technique where a field is applied to a fluid suspension or solution pumped through a long and narrow channel, perpendicular to the direction of flow, to cause separation of the particles present in the fluid, depending on their differing "mobilities" under the force exerted by the field.

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Filtration

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

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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Fly ash

Fly ash, also known as "pulverised fuel ash" in the United Kingdom, is a coal combustion product that is composed of the particulates (fine particles of burned fuel) that are driven out of coal-fired boilers together with the flue gases.

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Fractional distillation

Fractional distillation is the separation of a mixture into its component parts, or fractions.

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Fractional freezing

Fractional freezing is a process used in process engineering and chemistry to separate substances with different melting points.

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Froth flotation

Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic.

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Gasoline

Gasoline (American English), or petrol (British English), is a transparent, petroleum-derived liquid that is used primarily as a fuel in spark-ignited internal combustion engines.

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Gel

A gel is a solid jelly-like material that can have properties ranging from soft and weak to hard and tough.

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Gravity separation

Gravity separation is an industrial method of separating two components, either a suspension, or dry granular mixture where separating the components with gravity is sufficiently practical: i.e. the components of the mixture have different specific weight.

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Hall–Héroult process

The Hall–Héroult process is the major industrial process for smelting aluminium.

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Hermetic seal

A hermetic seal is any type of sealing that makes a given object airtight (excludes the passage of air, oxygen, or other gases).

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High-performance liquid chromatography

High-performance liquid chromatography (HPLC; formerly referred to as high-pressure liquid chromatography), is a technique in analytical chemistry used to separate, identify, and quantify each component in a mixture.

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Hydrocarbon

In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon.

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Laboratory

A laboratory (informally, lab) is a facility that provides controlled conditions in which scientific or technological research, experiments, and measurement may be performed.

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Leaching (chemistry)

Leaching is the process of extracting substances from a solid by dissolving them in a liquid, either naturally or through an industrial process.

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Liquid–liquid extraction

Liquid–liquid extraction (LLE), also known as solvent extraction and partitioning, is a method to separate compounds or metal complexes, based on their relative solubilities in two different immiscible liquids, usually water (polar) and an organic solvent (non-polar).

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Magnetic separation

Magnetic separation is a process in which magnetically susceptible material is extracted from a mixture using a magnetic force.

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Membrane technology

Membrane technology covers all engineering approaches for the transport of substances between two fractions with the help of permeable membranes.

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Mesh

A mesh is a barrier made of connected strands of metal, fiber, or other flexible or ductile materials.

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Microfiltration

Microfiltration (commonly abbreviated to MF) is a type of physical filtration process where a contaminated fluid is passed through a special pore-sized membrane to separate microorganisms and suspended particles from process liquid.

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Micrometre

The micrometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American spelling), also commonly known as a micron, is an SI derived unit of length equaling (SI standard prefix "micro-".

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Mineral processing

In the field of extractive metallurgy, mineral processing, also known as ore dressing, is the process of separating commercially valuable minerals from their ores.

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Nanofiltration

Nanofiltration (NF) is a relatively recent membrane filtration process used most often with low total dissolved solids water such as surface water and fresh groundwater, with the purpose of softening (polyvalent cation removal) and removal of disinfection by-product precursors such as natural organic matter and synthetic organic matter.

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Natural gas

Natural gas is a naturally occurring hydrocarbon gas mixture consisting primarily of methane, but commonly including varying amounts of other higher alkanes, and sometimes a small percentage of carbon dioxide, nitrogen, hydrogen sulfide, or helium.

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Natural-gas processing

Natural-gas processing is a complex industrial process designed to clean raw natural gas by separating impurities and various non-methane hydrocarbons and fluids to produce what is known as pipeline quality dry natural gas.

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Oil refinery

Oil refinery or petroleum refinery is an industrial process plant where crude oil is transformed and refined into more useful products such as petroleum naphtha, gasoline, diesel fuel, asphalt base, heating oil, kerosene, liquefied petroleum gas, jet fuel and fuel oils.

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Paper recycling

There are three categories of paper that can be used as feedstocks for making recycled paper: mill broke, pre-consumer waste, and post-consumer waste.

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Petrochemical

Petrochemicals (also known as petroleum distillates) are chemical products derived from petroleum.

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Petroleum

Petroleum is a naturally occurring, yellow-to-black liquid found in geological formations beneath the Earth's surface.

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Precipitation (chemistry)

Precipitation is the creation of a solid from a solution.

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Recrystallization (chemistry)

In chemistry, recrystallization is a technique used to purify chemicals.

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Reverse osmosis

Reverse osmosis (RO) is a water purification technology that uses a semipermeable membrane to remove ions, molecules and larger particles from drinking water.

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Scrubber

Scrubber systems (e.g. chemical scrubbers, gas scrubbers) are a diverse group of air pollution control devices that can be used to remove some particulates and/or gases from industrial exhaust streams.

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Sedimentation

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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Sieve

A sieve, or sifter, is a device for separating wanted elements from unwanted material or for characterizing the particle size distribution of a sample, typically using a woven screen such as a mesh or net or metal.

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Solid phase extraction

Solid-phase extraction (SPE) is a sample preparation process by which compounds that are dissolved or suspended in a liquid mixture are separated from other compounds in the mixture according to their physical and chemical properties.

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Souders–Brown equation

The Souders–Brown equation (named after Mott Souders and George Granger Brown) has been a tool for obtaining the maximum allowable vapor velocity in vapor–liquid separation vessels (variously called flash drums, knockout drums, knockout pots, compressor suction drums and compressor inlet drums).

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Stripping (chemistry)

Stripping is a physical separation process where one or more components are removed from a liquid stream by a vapor stream.

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Sublimation (phase transition)

Sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

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Synthetic membrane

An artificial membrane, or synthetic membrane, is a synthetically created membrane which is usually intended for separation purposes in laboratory or in industry.

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Ultrafiltration

Ultrafiltration (UF) is a variety of membrane filtration in which forces like pressure or concentration gradients lead to a separation through a semipermeable membrane.

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Unit operation

In chemical engineering and related fields, a unit operation is a basic step in a process.

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Winnowing

Wind winnowing is an agricultural method developed by ancient cultures for separating grain from chaff.

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Zone melting

Zone melting (or zone refining or floating zone process or travelling melting zone) is a group of similar methods of purifying crystals, in which a narrow region of a crystal is melted, and this molten zone is moved along the crystal.

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References

[1] https://en.wikipedia.org/wiki/Separation_process

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