Liquid-liquid Extraction for Contaminant Partition and Reuse of Surfactant

Posted by EWeb Solutions on July 19th, 2016

Liquid-liquid extractions are a common example of pre-treatment in different analytical applications. It is a continuous and automated flow based approaches that are developed for liquid-liquid extraction. It is a separation of multiple components like ultra-trace metal and metalloid species, phenolic compounds, surfactants, pharmaceuticals etc. 

Techniques that are used in liquid-liquid extraction

There are different techniques that are used in Liquid-liquid extraction such as:

  • Batchwise single stage extraction- This is commonly used in small-scale chemical industry or labs. In this system, the separating funnel is used.
  • Dispersive liquid-liquid microextraction- It is a process that is used to extract small amounts of organic compounds from water samples. This process is used by injection. A small amount of extraction solvent and disperser solvent are injected into the aqueous solution. The resulting solution is then centrifuged to separate the organic and aqueous layers. It is useful in extraction of organic compounds from water solution.
  • Direct organic extraction- In this system you have to mix a part of organic soluble samples in the organic solvent, the organic-soluble compounds will dissolve into the solvent and then you can separate it by using a separatory funnel. This process is important to separate the proteins and phosphoprotein and phosphates.

Sometimes extraction is done without any chemical change. Sometimes noble gasses are extracted from one phase to another without the need of chemical reaction. For example:

  1. Solvation mechanism

2.    Ion exchanges mechanism

  1. Ion pair extraction

4.    Aqueous two-phase extraction

Importance of stripping Column in industry

Industrial apparatus are normally heavy and costly. If you are an owner of an industry you are needed to spend the money regarding this matter. Thus you should be cautious of cost to get an effective solution to continue your industrial work or operation such as extraction, absorption, and purification at a large scale. There is a provision of installing such heavy tool as the tools are too costly.  You can get the experts for your industrial help who will do the job for you like the installation of the projects. There is another option to perform a single operation as there are different types of equipment manufactured and are available in the market. Customization of this equipment offers the best possible solution to develop the usage of the equipment. Thus, Stripping Column is essential in industrial application.

Process of liquid extraction and stripping column

Stripping column is very common in industrial applications to remove the harmful contaminants from waste streams. This process helps to decontaminate soils almost completely.

The key parameters affect the liquid-liquid extraction process and that   involves the operating pressure, operating temperature, solvent composition, feed flow rate, temperature and pressure of the entering streams. The extraction process basically depends on the components of chemical properties.

EWeb Solutions

About the Author

EWeb Solutions
Joined: March 14th, 2016
Articles Posted: 35

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