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Dispositivo de bajo coste para separar de forma sencilla compuestos volátiles y no volátiles en muestras complejas

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOES20150424001
Publicado:
18/06/2015
Caducidad:
17/06/2016
Resumen:
Un grupo de investigación español ha desarrollado un dispositivo para analizar de forma sencilla mezclas complejas que contienen compuestos volátiles y no volátiles, por ejemplo, sales y líquidos iónicos. Este instrumento totalmente desarrollado es útil para separar estos compuestos de forma más sencilla, eficiente y económica. También permite separar múltiples muestras de forma simultánea, reduciendo así el tiempo necesario para obtener los resultados finales. El dispositivo puede emplearse para separar y analizar mezclas complejas en la industria química. Se buscan fabricantes de equipos de laboratorio con el fin de establecer acuerdos de licencia o cooperación técnica para continuar con el desarrollo.

Details

Tittle:
Low-cost apparatus to easily separate volatile and non-volatile compounds in complex samples
Summary:
A Spanish research team has developed an apparatus for making easier the analysis of complex mixtures containing volatile and non-volatile compounds (e.g., salts and/or ionic liquids). It is fully developed and is useful for separating these compounds in a simpler, more efficient and less expensive way. The researchers are looking for manufacturers of laboratory equipment for licensing agreement. They are also open to technical cooperation for further development.
Description:
Traditional analytical methods for carrying out quantitative analysis of samples consisting of mixtures of volatile components and non-volatile components, such as salts and/or ionic liquids, usually consist of three steps:

1. Quantitative determination of the proportion of the non-volatile component and total volatile components.
2. Separation of the sample into two fractions, one of them composed by the ionic liquid or salt and the other one by volatile components.
3. Analysis of the volatile fraction by gas chromatography or similar method.

Usually, the second step of separation is done using a pre-column installed in a gas chromatograph that carries out the last step or using HPLC (High Performance Liquid Chromatography) for both the second and the third step. The use of pre-columns is not applicable when the proportion of non-volatile component is very high and requires a complex calibration and cleaning or replacement of the pre-column with periodicity. HPLC is an expensive method and involves the continuous use of chemicals or solvents as mobile phase. Furthermore, it is laborious and difficult to find the suitable solvent for each sample. There is, therefore, a great interest in developing procedures and equipment more efficient, simpler and less expensive than the current ones, that allow quantitative analysis of samples consisting of mixtures of non-volatile components, such as salts and/or ionic liquids, and volatile components.

Researchers from a Spanish University have developed an apparatus for separation of mixtures of salts and/or ionic liquids and volatile compounds that allows almost complete separation of the volatile components from the non-volatile components (or with high boiling point) and facilitates the subsequent determination of the volatile components by gas chromatography or similar method. The developed apparatus is inexpensive and relatively simple; it is environmentally friendly and useful for mixtures that cannot be easily separated with current procedures. This apparatus allows the separation of multiple samples simultaneously, so it can considerably reduce the time required for the final results. This device performs as a micro-destiller and its design is the key for the successful separation of volatile and non-volatile components of complex mixtures.

The apparatus is useful in any industry or service that requires analysis of mixtures in which one component is a non-volatile (i.e. ionic liquid or salt) or very low volatile compound, and the other components are volatile. It is totally developed and is being used with very good results for equilibrium studies of liquid-liquid and liquid-vapor mixtures with ionic liquids. Then, this dispositive could be employed for the separation and analysis of these complex mixtures in the chemical industry.
Advantages and Innovations:
The most innovative aspect of this invention is that provides an apparatus that allows the separation of mixtures that cannot be appropriately separated by other procedures; with recovery percentages higher than 99% for the volatile fraction.
While, the main advantages of this apparatus/method are the following:
- The method carried out with the apparatus is inexpensive and simple.
- It is environmentally friendly.
- Less time consuming
- Multiple samples can be separated at the same time
Stage of Development:
Under development/lab tested
IPs:
Other
CommeR Statunts Regarding IPR Status:
Utility model applied for but not granted yet (Spain)

Partner sought

Type and Role of Partner Sought:
Enterprise in the specific area of laboratory equipment for the production, distribution and sale of the equipment.

Client

Type and Size of Client:
University
Already Engaged in Trans-National Cooperation:
No
Languages Spoken:
English
Spanish

Keywords

Technology Keywords:
05004004 Destilación
03003 Ingeniería de aparatos
05001001 Química analítica