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Sanitary transportation of human and animal food. Final rule.
Refrigerated transportation best practices guide. Advancing the sanitary transportation of human and animal food.
Recommended by the IIR / IIR document
The Role of Refrigeration in Worldwide nutrition (2020), 6th Informatory Note on Refrigeration and Food.
The cook chill process for food safety.
Determination of the initial freezing temperature of foods.
IIR document
Food thermal distribution-based control of industrial freezers.
WALK-IN COLD ROOMS, A PRACTITIONER'S TECHNICAL GUIDE - Design and Operation of Walk-In Cold Rooms for Precooling and Storage of Fresh Produce in Hot Climates, in Off-Grid and Unreliable Grid Situations.
Freezing times using time derivative of temperature on surface of foods.
Influence of defrosting on food preservation in a household refrigerator.
Emerging pulsed electric field (PEF) and static magnetic field (SMF) combination technology for food freezing.
Modelling thermal diffusivity of foods during freezing.
Electrochemical inerting (oxygen control) for food preservation.
Effect of sorbet freezing process on draw temperature and ice crystal size using focused beam reflectance method (FBRM) online measurements.
Examinations of quantitative evaluation method of food freezing process. Evaluation of pre-cooling freezing.
Prediction of food thermal properties to enable accurate design of food refrigeration processes.
Refrigeration sector monitoring
48 results
Superconducting cable for urban electricity
Part of AmpaCity project, the 1km, 10 kV high temperature ceramic-based superconductive cable is the world’s longest and the first to have been integrated into an urban electricity grid in Essen, Germany.
Refrigeration and COVID-19: list of resources
List of resources (guides, recommendations, information) regularly updated concerning the COVID-19 and the refrigeration sector.
Cryoconcentration for improved flavour
Cryoconcentration is a relatively new food technology which consists in transforming milk, fruit or vegetable juices into a sorbet, before removing water ice crystals in order to obtain a highly flavoured concentrate.
Kenyan fish processing facility upgrades from R22 to ammonia
East Africa Sea Foods (EASF), a fish processing facility in Kenya, recently replaced its aging R22 refrigeration system with a two-stage ammonia system.
For IIR members only
Is super-cooling better than chilling for seafood products?
Super-cooled storage is a novel technique that better preserves the texture and freshness of fish and extends shelf life compared to chilling.
More than one billion people are at high risk due to a lack of access to cooling
The annual Chilling Prospects report estimates that 355 million people living in poor rural areas and 732 million people living in poor urban areas are at risk due to a lack of access to cooling worldwide....
Refrigerated transport: innovations and challenges for sustainability
Review of the most promising technologies for refrigerated transport: vapour compression systems with natural refrigerants, photovoltaic systems with electrical energy storage,...
Latest research on ammonia-based absorption refrigeration systems
A recent article has reviewed literature on absorption chillers that use ammonia as a refrigerant, along with water (H2O), lithium nitrate (LiNO3), and lithium nitrate + water...
ICR2019: overview of current refrigeration research topics (part IV)
Energy storage, desiccant air conditioning, high-temperature heat pumps and ejector technologies were some of the salient topics of the latest IIR Congress. Continuation of the synthesis of key presentations of ICR2019.
Road to COP28: Energy efficiency, the key to sustainable cooling in Africa
According to Francis Sempore, director of ECREEE, energy efficiency is a key sustainability issue that needs to be promoted, funded and supported through the implementation of...
Cold chain research centre in Rwanda receives UK funding
The Africa Centre of Excellence for Sustainable Cooling and Cold chain (ACES) has received funding to support its cold chain research activities in Africa until 2025.
Inauguration of the largest LNG-powered cruise ship
In November 2022, MSC Cruises held a naming ceremony for MSC World Europa, the world’s largest LNG-powered cruise ship and one of the first to incorporate fuel cell...
Mini containers, an energy-efficient solution for small farmers?
To benefit small growers, a team of researchers investigated the concept of mini containers that would consume less energy and produce fewer GHG emissions than conventional full-size...
Temperature control and sustainability, the challenges of 3D meat printing
Temperature control is a key factor that still limits the application of 3D printing in the meat industry, according to recent scientific publications.
COVID-19 news in the HVAC&R sector
The IIR reviews the available information on the possible impact of air conditioning on the spread of COVID-19 and the recommendations for the operation and maintenance of HVAC systems. Furthermore, several...
IIR news
58 results
European Food Survey to decarbonise industrial operations
The ENOUGH project invites European food operators to complete a short survey on the advancements and potential for achieving the net-zero emissions target.
New IIR Informatory Note (IN) on chillers and Russian version of the IN on nutrition
The IIR has just published a new Informatory Note on chillers as well as the Russian version of the IN on the Role of Refrigeration in Worldwide Nutrition already published in four other...
New IIR Informatory Note: The Role of Refrigeration in Worldwide Nutrition
In line with its corporate objective to promote knowledge of refrigeration and associated technologies and applications on a global scale, the IIR has published a new Informatory Note on “The Role of Refrigeration in Worldwide...
The IIR publishes a new Informatory Note on The Role of Refrigeration in Worldwide Nutrition
In line with its corporate objective to promote knowledge of refrigeration and associated technologies and applications on a global scale, the International Institute of Refrigeration (IIR) has published a new Informatory Note on “The...
Sign-up to workshop at ICCC 2022: Clean and efficient refrigeration solutions for food and healthcare
Join the free online workshop on April 13 which will present the ongoing projects in developing countries that will help promote the adoption of climate-friendly refrigeration technologies.
The “Projects on clean and efficient refrigeration solutions for food and healthcare sectors in developing countries” workshop at ICCC 2022
An IIR workshop which has gathered the current projects in developing countries that will help to raise awareness among the industry, farmers, policymakers, and consumers… on the importance of adopting a...
New IIR Informatory Note on solar cooling and other new publications
The IIR has just published an Informatory Note on solar cooling and has posted the Chinese version of the Informatory Note on the role of refrigeration in worldwide nutrition on its website.
IIR website: best downloads in 2022
Discover the three most popular IIR publications in 2022. The focus is on the economy, women in refrigeration, and the carbon footprint of the cold chain.
World Refrigeration Day 2020
The annual World Refrigeration Day aims to raise awareness among the wider public about the importance of refrigeration technologies in everyday life. Organised under...
New IIR Informatory Note on the carbon footprint of the cold chain
The IIR has just issued a new Informatory Note on the carbon footprint of the cold chain. It highlights the food safety and environmental benefits of an improved global cold chain.
Statement given by Didier Coulomb, Director General of the IIR, during MOP 35
Statement Given by the Director General of the International Institute of Refrigeration (IIR) during the 35th Meeting of the Parties to the Montreal Protocol (MOP-35) in Nairobi, Kenya (octobre 23 –...
Statement given by Didier Coulomb, Director General of the IIR, during MOP 34
Statement Given by the Director General of the International Institute of Refrigeration (IIR) during the 34th Meeting of the Parties to the Montreal Protocol (MOP-34) in Montréal, Canada (octobre 31 –...
Your invitation: United Nations Food Systems Summit 2021
The UN has invited the Director General of the IIR to present key data from two of its Informatory Notes during the Food Systems Summit 2021 to take place on September 20.
Editorial by Didier Coulomb
The UN climate change conference in Copenhagen was a failure. The initial stances and the interests of the stakeholders were too divergent to enable an agreement to be reached rapidly. It is possible that no agreement will ever be reached....
Refrigeration and the IIR in the spotlight at COP 28
The Conference of the Parties on Climate Change took place in Dubai (United Arab Emirates) from 30 November to 13 December 2023. For the first time, refrigeration was given special attention. The IIR shared a...
Encyclopedia of Refrigeration
4 results
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...
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...
Environmental impact of the ice cream industry
This summary document describes the environmental impact of ice cream manufacturing, which is mainly due to the energy consumption and refrigerants used.
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...
