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IIR document
Low-temperature application adsorption method for separation of rare inert gas isotope mixture.
Application of vortex and pulsation coolers in technologies of rare gases extraction.
The extraction of rare gases by desublimation method.
The using of gas-dynamic coolers at cryogenic temperatures.
Cryogenic maintenance of rare gases separation processes in 68…78 K temperature ranges.
Energy saving technologies in installations for light inert gases producing.
Recommended by the IIR / IIR document
Cryogenics 2023. Proceedings of the 17th IIR International Conference, Dresden, Germany, april 25-28 2023
Cryogenics 2025. Proceedings of the 18th IIR International Conference on Cryogenics, Prague, Czech Republic, 7-11 April 2025.
Cryogenics 2017. Proceedings of the 14th IIR International Conference: Dresden, Germany, Mai 15-19, 2017.
Cryogenics 2019. Proceedings of the 15th IIR International Conference: Prague, Czech Republic, April 8-11, 2019.
Cryogenics 2021 online. Proceedings of the 16th IIR International Conference, October 5-7, 2021.
Test results of a Rotation Heat Pump and further developments.
Separation of binary mixtures based on helium and heavy inert gases.
Experimental study on the effect of the gas reservoir on the performance of a nitrogen-charged cryogenic grooved heat pipe.
Iron and manganese based magnetocaloric materials for near room temperature thermal management.
Refrigeration sector monitoring
33 results
Optical refrigeration
A team in New Mexico University has created the first-ever optical cryocooler that could be applied to airborne and spaceborne sensors. It uses optical refrigeration which could enable miniaturization, an alternative to bulky mechanical...
Briefs: Cryogen-Expo
Cryogen-Expo will take place on November 11-13, 2008 in Pavilion No 5, Expocentre Fairgrounds, in Moscow, Russia. This major exhibition held under the auspices of the IIR, the International Academy of Refrigeration and the Ukrainian Association of...
Cryogenics: A new cryocooler
A new cryocooler has been demonstrated at the National Institute of Standards and Technology (NIST) that combines small-size, rapid cooling, low temperatures and high efficiency. It is a "pulse tube" design that uses oscillating helium gas to...
Ultracold polar molecules
Scientists at JILA, a joint institute of the National Institute of Standards and Technology (NIST) and the University of Colorado at Boulder (CU-Boulder), have applied their expertise in ultracold atoms and lasers to produce the first high-density...
LNG remains the main driver of global gas demand in 2021-2025
In a recent report, the International Energy Agency (IEA) analyses the massive decline in gas demand in 2020. The covid-19 crisis has affected gas consumption mostly due to lower electricity demand in the...
Unprecedented images from the centre of our galaxy
The James Webb Space Telescope shows images of the centre of the Milky Way, thanks to its state-of-the-art infrared detectors, which need to be cryogenically cooled to operate...
Pandemic accelerates demand for cold stores and frozen food
The COVID-19 pandemic has accelerated the appeal of online ordering and the purchase of frozen food by consumers and led to an increased need for cold storage facilities.
Rare earths for spatial measurements.
Researchers from ECA-INAC developed a small cryorefrigerator, replacing liquid helium by a more efficient rare-earths based material.
Food cold chain: improving temperature control to reduce loss
Recent review articles provide an update on technologies to monitor temperature in the food cold chain, in order to avoid food loss during transport and...
Gas leak detection technologies
Bacharach, a manufacturer of refrigerant and gas leak detectors, recently extended its gas detectors by two HFOs. The company also produces leak detectors for CO2 systems.
Leak detection thanks to thermal imaging cameras
Thermal imaging cameras can be specially designed for the detection of refrigerant gases.
Slight increase in global LNG trade in 2020
Global LNG trade continued to grow in 2020 albeit at a slower pace than the previous year. Meanwhile, orders for LNG-powered vessels have increased significantly.
Cooling without electricity
The US Stanford University is currently testing an innovative cooling technology using radiative sky cooling.
Cold stores: how to achieve net zero emissions?
The UK Cold Chain Federation recently released a report presenting technologies to help temperature-controlled warehouses achieve net zero emissions.
Growing need for F-Gas technicians: AREA highlights training gaps
Around 370,000 refrigeration, air conditioning and heat pump (RACHP) personnel are F-Gas certified in the 18 EU countries covered by AREA membership.
IIR news
55 results
Activities of the IIR’s Commission A2 on Liquefaction and Separation of Gases
The problems related to thermodynamic optimization and new technologies in liquefaction and separation of gases are actual and critical for many branches of modern industry, power generation and medicine.
Uniting 23 countries for cryogenics progress: Highlights from the 2025 IIR Cryogenics Conference
Bringing together 138 participants from 23 countries, the 18th IIR Conference on Cryogenics was a successful event that highlighted the latest advancements in cryogenic technologies and...
26th IIR International Congress of Refrigeration - Call for abstract
Abstract submission for the 26th International Congress of Refrigeration is extended. ICR 2023 is scheduled from 21st to 25th August 2023 in Paris.
Download the latest technical papers from the IIR Cryogenics Conference
Held on 8-11 April this year, the 15th IIR Cryogenics Conference welcomed over 120 guests from more than 22 countries.
Briefs: IIR statutory meetings
The Management Committee of the IIR, the Publications Sub-Committee and the restricted Science and Technology Council met in Prague, Czech Republic, on February 22-24, 2010 and prepared the 23rd International Congress of Refrigeration with the...
Yokohama e yokoso !
From 16 to 22 August 2015, the IIR International Congress of Refrigeration (ICR), recognised internationally as a milestone refrigeration event, will bring together key refrigeration stakeholders from across the globe at the Pacifico Yokohama...
New IIR Informatory Note on The Role of Refrigeration in the Global Economy
Discover the 29th Informatory Note on Refrigeration Technologies
In Memoriam: Joe Paul
Prof. Joachim (Joe) Paul, Delegate of Denmark since 2003 and President of the IIR’s Executive Committee and Management Committee since 2007, died on August 28, 2012.
Obituary: Anders Lindborg
Anders Lindborg, honorary member of the IIR and President of IIR Commission D1 from 1993 until 1996, died on September 25, 2012.
Focus: The International Journal of Refrigeration (IJR)
In 1978 the International Institute of Refrigeration (IIR) launched a new international scientific journal, the IJR. The first volume of the IJR consisted of 4 issues comprising 29 scientific articles in all. Today, we publish 8 issues with an...
Obituary: Prof. Dr. José Antonio Muñoz-Delgado Ortiz
Prof. Dr. José Antonio Muñoz-Delgado Ortiz, Honorary President of the IIR, died in April 2013.
IIR committee meetings in Beijing
The Management Committee of the IIR met in Beijing on March 25, 2006. Two other meetings took place the same week: the Publications Sub-Committee (PSC) meeting and the meeting of the representatives of the Science and Technology Council to the...
Partnerships with other international organizations
- Eric Granryd, President of the General Conference, and Didier Coulomb attended the ASHRAE Winter Meeting in January 2006, and highlighted the role of the IIR and the need for cooperation on environmental issues. They also met with the US...
Statutory meetings of the IIR
The annual statutory meetings of the IIR took place on June 6-9, 2006, in the beautiful premises of the French Ministry of Research in Paris: the Publications Sub-Committee, the Management Committee, the Science and Technology Council and the...
Refrigeration Fundamentals on sale!
The IIR's latest course, Refrigeration Fundamentals - Educational Course, will be available within a few weeks. Refrigeration Fundamentals, by André Pilatte - Delegate of Belgium to the IIR and Professor at the Faculté Polytechnique de Mons -...
Encyclopedia of Refrigeration
13 results
Liquefied Natural Gas: production process and cold energy recovery
Liquefied natural gas (LNG) is natural gas that has been cooled to about -160 °C and turned into a liquid to facilitate transportation and storage. A typical LNG supply chain...
Cryogenics in the pharmaceutical industry: drug design and bioavailability improvement
Research activities in the pharmaceutical sector focus primarily on developing novel drug formulations which can elicit the desired response upon being administered to the patient...
Ice cream manufacturing, environmental impact and market data
From a physico-chemical point of view, ice cream is a complex, frozen multiphase mixture. The manufacturing process includes several stages of freezing which are described in this...
Cryogenic nitrogen in the food and beverage industry
The adoption of cryogenic processes in the food and beverage industry is predominantly driven by liquid nitrogen (LIN), and it is the preferred candidate for food chilling and...
For IIR members only
Global cold storage capacity
This table presents the cold storage capacity in about 50 countries, based on data from the Global Cold Chain Alliance (GCCA).
Global HFC emissions from the refrigeration sector
This table shows HFC emissions from the refrigeration sector – including air conditioning – in million tonnes of CO2 equivalent for about 40 countries that are signatories...
Additive manufacturing of regenerators for caloric cooling
In many areas of engineering, additive manufacturing allows the production of complex and multifunctional products that could not be manufactured using traditional methods. In the...
Hydrocarbon refrigerants
Hydrocarbons such as R290 (propane), R600a (isobutane) or R1270 (propene/propylene) are low GWP non-toxic natural refrigerants with excellent thermodynamic properties. They offer an...
Cold storage conditions for fruits and vegetables
Practical recommendations for the cold storage of over 200 cultivars of fruits, vegetables and herbs (storage temperatures, relative humidity, storage time, controlled atmosphere...
Thermophysical properties of hydrocarbon refrigerants
Thermophysical properties of over 20 hydrocarbon refrigerants, including single-component and blends.
Thermophysical properties of HFC refrigerants
Thermophysical properties of over 100 HFC refrigerants, including single-component and blends.
Thermophysical properties of HFO refrigerants
Thermophysical properties of over 50 HFO refrigerants, including single-component and blends.
Heat pump stock in Europe
This table presents the stock of installed heat pumps, the CO2 emissions avoided and the number of jobs in the heat pump sector in Europe.
Events
1 result
Other event
21st International Conference & Exhibition on Liquefied Natural Gas (LNG2026)
February 02, 2026 - February 05, 2026
Doha, Qatar
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