What does the word raffinate mean?

Asked by: Dr. Sunny Howe DDS
Score: 4.7/5 (47 votes)

: a liquid product resulting from extraction of a liquid with a solvent also : the less soluble residue that remains after extraction (as in refining lubricating oil)

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Then, What is raffinate in chemistry?

In chemical separation terminology, the raffinate (from French raffiner, to refine) is a product which has had a component or components removed. The product having the removed materials is referred to as the extract. ... The species which is desorbed from the adsorbent at low pressure may be called the "extract" product.

Also asked, What is extract phase and raffinate phase?. Liquid extraction is the separation of the constituents of a liquid by contact with another insoluble liquid called solvent. The constituents get distributed between the two phases. The solvent rich phase is called extract and the residual liquid from which the solute has been removed is called raffinate.

Keeping this in consideration, What is raffinate used for?

Raffinate 1 is a chemical building block used in the manufacture of methyl tertiary butyl ether (MTBE) and diisobutylene (DIB). MTBE is a liquid added to petroleum to reduce emissions, and DIB is an intermediate in the production of alcohols and solvents.

What does diluent mean in English?

: a diluting agent (such as the vehicle in a medicinal preparation)

15 related questions found

What is diluent example?

They are inactive ingredients that are added to tablets and capsules in addition to the active drug. For example, a Tylenol 325 mg tablet does not weigh 325 mg. ... Some very common diluents in tablets include starch, cellulose derivatives, and magnesium stearate (a lubricant). (See also Excipient.)

Is water a diluent?

Examples of Diluents

Common diluents people use every day include water, nail polish remover, paint thinner, kerosene, benzene and other compounds. The purpose of a diluent is not to change the chemical composition in any way but only to weaken the composition.

Is raffinate flammable?

Hazard statements : Extremely flammable liquid and vapour. May be fatal if swallowed and enters airways. Causes skin irritation. May cause drowsiness or dizziness.

What is raffinate refining?

Glossary Terms » Raffinate. The residual product left after a reforming process. The term also has been more generally used in reference to any low octane product left over after any secondary refining process. Preferable to natural gasoline in ethanol/gasoline blends because of the low RVP (4 to 8).

What is the leaching process?

Leaching is a process widely used in extractive metallurgy where ore is treated with chemicals to convert the valuable metals within into soluble salts while the impurity remains insoluble. These can then be washed out and processed to give the pure metal; the materials left over are commonly known as tailings.

What is extract phase?

Extraction is a process in which one or more components are separated selectively from a liquid or solid mixture, the feed (Phase 1), by means of a liquid immiscible solvent (Phase 2). ... Another application is gas-liquid extraction which is also called absorption.

Why are spray columns rarely used?

Why are spray columns rarely used? Explanation: Axial dispersion is so serious that with an increase in diameter-length ratio the continuous phase completely disperses. ... Explanation: To avoid back-mixing, HETP is larger for staged devices thus packed columns are used only when few stages are required.

Why is extraction preferred over distillation?

Unlike distillation, which is based on boiling point differences, extraction separates components based on their relative solubilities in two immiscible liquids. Extraction is typically chosen over distillation for separation applications that would not be cost-effective, or even possible, with distillation.

What is difference between extract and raffinate?

As nouns the difference between raffinate and extract

is that raffinate is (chemistry) a solution from which some material has been removed by extraction with an immiscible liquid while extract is that which is extracted or drawn out.

How does a mixer settler work?

Mixer settlers are a class of mineral process equipment used in the solvent extraction process. A mixer settler consists of a first stage that mixes the phases together followed by a quiescent settling stage that allows the phases to separate by gravity.

What is a plait point?

[′plāt ‚pȯint] (chemistry) Composition conditions in which the three coexisting phases of partially soluble components of a three-phase liquid system approach each other in composition.

What is a raffinate splitter?

The ISOM plant isomerization at the site was designed for the conversion of low octane hydrocarbons, through various chemical processes, into hydrocarbons with higher octane ratings that could then be blended into unleaded gasoline. One component of this ISOM site was a unit called the raffinate splitter.

What chemicals are in naphtha?

Naphtha contains varying amounts of paraffins, olefins, naphthene constituents, and aromatics and olefins in different proportions, in addition to potential isomers of paraffin that exist in naphtha boiling range.

Is raffinate a hydrocarbon?

Chemical Identity

Raffinate is primarily a mixture of the butylenes and butane components such as, isobutane and n-butane. Raffinate is a colorless gas (liquid under pressure) with a mild petroleum odor. Raffinate 1 is the hydrocarbons remaining after extraction of butadiene.

Why would you use a diluent?

Diluents are used to increase the bulk volume of solid oral dosage forms such as tablets and capsules. They help one to facilitate handling of dosage form and to achieve targeted content uniformity.

What's the difference between diluent and diluent?

is that dilute is having a low concentration while diluent is diluting; making thinner or weaker by admixture, especially of water.

Which is the diluent?

A diluent refers to any liquid substance that is mixed with a coating to reduce its viscosity and increase its flow rate. The addition of a diluent to coatings allows for easier application on metal surfaces for corrosion prevention.

Why are excipients used?

Pharmaceutical excipients are substances that are included in a pharmaceutical dosage form not for their direct therapeutic action, but to aid the manufacturing process, to protect, support or enhance stability, or for bioavailability or patient acceptability.

What are disintegrating agents?

A disintegrant is an additive that promotes disintegration, which is the breakage of a tablet into small fragments when in contact with a liquid medium. In doing so, the surface area available for dissolution is increased and drug dissolution is accelerated.

Which diluent are used in capsules?

Microcrystalline Cellulose (MCC) is widely used as a binder/diluent in oral tablet and capsule formulations, typically in dry granulation, wet granulation, and direct compression processes.