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Sensor pasivo de detección in situ de aminas en el aire

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOES20140908005
Publicado:
16/09/2015
Caducidad:
15/09/2016
Resumen:
Una universidad española ha desarrollado un sensor pasivo colorimétrico de bajo coste para la detección in situ de aminas en el aire con un límite de detección de 3mg/m3. Se trata de un método ecológico y fácil de usar (no requiere ningún pretratamiento, fuente de alimentación ni instrumento externo) que puede emplearse en sistemas de control ambiental o control de calidad en la industria alimentaria. La universidad, que ha solicitado la patente, busca compañías en el sector de detección, instrumentación científica, seguridad industrial o pública, etc. con el fin de licenciar la tecnología o establecer acuerdos de colaboración técnica.

Details

Tittle:
Passive sensor for in situ detection of amines in air
Summary:
A Spanish university has developed a low-cost, passive colorimetric sensor for in situ detection of amines in air with a detection limit of 3mg/m3. It is environmentally friendly and very easy to use. It could be used in environmental control systems or quality control in the food industry. A patent has been applied for but not granted yet. Companies in the field of sensing, scientific instrumentation, industrial or public safety, etc. are sought for licensing it or for technical collaborations.
Description:
Nitrogenous compounds such as ammonia and aliphatic amines are particularly hazardous air pollutants due to its toxic and odorous characteristics. Aliphatic amines found in high concentrations in air are the result of their extensive use in certain types of chemical industry, used for example as raw materials or intermediates in the preparation of fertilizers, pesticides, surfactants, pharmaceuticals, polymers, dyes, etc..For the determination of amines in situ and in real time, one possibility is to use active sampling techniques, although these techniques often depends on an external source of energy, specific equipment for sampling and, in some cases, energy costs to consider. Regarding passive sensors, there are few options for detecting amines and all have drawbacks such as the need for pretreatment prior to use, or excessively high detection limit, which prevents their use in real atmospheres with low concentration of amines.

Spanish Researchers have developed a passive colorimetric sensor for in situ detection of amines in air with detection limits up to 3 mg/m3, making it suitable to use in the detection of amines in real atmospheres.

The sensor embedded in a malleable and manageable silicone matrix, is a passive sensor which does not require any kind of pre-treatment, or power supply or external instrument. The sensor is further characterized by its safety to the environment, its stability against a wide range of temperatures and to humidity and solar radiation, and its resistance to reversion, so that the sensor response is stable over time.

The main application of the technology is in personal and collective safety systems, environmental control systems for the detection of aliphatic amines in air, produced in many chemical companies, and for the control of aliphatic amines due to the degradation of foods, especially fish, useful for food industries.
Advantages and Innovations:
The main advantages provided by the sensor are:
- Simplicity and ease of use: it is a passive colorimetric sensor that does not require any kind of pretreatment or power supply or external instrument.
- Low cost: simple fabrication process without high costs
- Low detection limits: suitable for use in real atmospheres, of the order of 3 mg/m3. Emission ceilings for these kinds of compounds: 4 - 75 mg/m3.
- Quantitative detection: direct quantitative detection can be carried out by diffuse reflectance of the sensors.
- Stability: against a wide range of temperatures and to humidity and solar radiation. Reversion resistance.
- Environmentally friendly
Stage of Development:
Under development/lab tested
IPs:
Patent(s) applied for but not yet granted
CommeR Statunts Regarding IPR Status:
Spanish and PCT patents applied for but not yet granted.

Partner sought

Type and Role of Partner Sought:
Enterprise in the specific area of sensing, scientific instrumentation, industrial safety, public safety, etc., for licensing the invention, testing of applications, adaptation to specific needs, production and marketing.

Client

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

Keywords

Technology Keywords:
10002008 Medición y detección de la contaminación
05001001 Química analítica
09001009 Tecnología de sensores relacionada con la realización de medidas