Universidad de Alicante

Novel device for simultaneous determination of adsorption of binary gas mixtures on solid adsorbents

Posted by Universidad de AlicanteResponsive · Innovative Products and Technologies · Spain

Summary of the technology

• This system is thermostated and temperature can be adjusted to the desired experimental conditions.
• It is possible to implement in the volumetric device other suitable elements to determine density (e.g., elements based on measurement of resonant frequency, and so on).

Description of the technology

Researchers of the University of Alicante have developed a novel device able to determine individual amounts of gases in a binary mixture which are being adsorbed simultaneously on a porous solid. It is a practical and economical device that reduces drastically analysis time and it can be used in the following industrial sectors: environmental, energy, catalysis, gas storage, and so on. Both factors make its commercialization very easy. Researchers are looking for companies acquiring this technology for commercial purposes.


Co-adsorption of a gas mixture on a porous solid needs the measurement of two properties of the system in equilibrium, which requires an equipment with two different measuring devices. In this sense, there are no commercial devices available that meet these requirements. At laboratory scale, different units have been designed. These equipments are compound by two measuring devices but they are very expensive and, hence, they are unattractive for their marketing. With the aim to overcome the limitations above described, it is presented a novel volumetric equipment which allows the simultaneous determination of the adsorption isotherms of binary mixtures. Thus, this device is really economical and practical. This equipment is composed of three cells: 1. Calibration cell, where the addition of gas is controlled. 2. Adsorption cell, where the porous solid to be analyzed is introduced (the adsorption process takes place in this cell). 3. Auxiliary cell, where the density of the gas mixture is determined when the equilibrium between the gas phase and the adsorption capacity of the porous solid is reached. Both temperature and pressure of the experiment are controlled by thermocouples and capacitance manometers (temperature can be adjusted to the conditions that user wants to carry out the adsorption experiment), while input control and gas mixture distribution to each cell is automatically regulated by a system of valves and a vacuum line connected to a vacuum pump.

Main advantages of its use

  • Analysis time of the experiment can be drastically reduced compared to the current methods and devices.
  • Both components of the mixture are exactly at the same equilibrium conditions (temperature and pressure).
  • Calibration procedure is only necessary once a year.
  • The results obtained with this device are real, while the ones obtained with the current methods are based on theoretical simulations, which are not very precise.
  • The same region of the sorbent solid is being analyzed simultaneously (it does not happen with commercial devices).
  • This equipment is economical, practical and easily marketable.


  • Air filters and air purification and monitoring equipment.
  • Chemicals and Materials
  • Exploration equipment instrumentation.
  • Industrial chemicals.
  • Oil and Gas Drilling, Exploration and Extraction Equipment
  • Other pollution and recycling related.
  • Pollution and Recycling Related.

Related keywords

  • Indoor Air Pollution/Treatment
  • Filtration and Membrane Processes
  • Transport and storage of gas and liquid fuels
  • Air filters and air purification and monitoring equipment
  • Oil and Gas Drilling, Exploration and Extraction Equipment
  • Other measuring devices (including ifrared gas analysers, moisture analysers)
  • Gas mixtures
  • gas mixture
  • gas analysis
  • gas storage
  • gas drillingg
  • gas
  • oil drilling
  • catalysis
  • air filters
  • air purification
  • recycling

About Universidad de Alicante

Research & Technology Organization from Spain

As one of the largest universities of Spain, Universidad de Alicante has a rich history of innovation. Our main objective is to transfer the technology that our research teams are developing to the industries and companies which are able to take profit from them. R & D & Innovation results and know-how are offered in the domains of Chemistry, Materials, Environment, IT, Building and other applied subjects.

Send your request

By clicking "Send your request" you are signing up and accepting our Terms of Service and Privacy policy

Technology Offers on Innoget are directly posted and managed by its members as well as evaluation of requests for information. Innoget is the trusted open innovation and science network aimed at directly connect industry needs with professionals online.