Résultats de recherche

  • Briefs: A CO2 secondary refrigerant system to test icebreakers

    Travelling through the North Pole's ice-capped seas could reduce sea transport distances between Hamburg and Osaka, Japan, or Shanghai, China, for instance, by more than 4000 nautical miles, thus allowing for great time and financial savings. The...

    • Date de publication : 25/02/2009
  • CO2 is gaining ground in North-American supermarkets

    In Canada, according to the shecco “GUIDE 2013: Natural Refrigerants - Market Growth for North America,”over 65 food-retail stores use or have made a purchase order for CO2 secondary, cascade, or transcritical refrigeration systems. CO2 is also...

    • Date de publication : 26/08/2013
  • Growing interest in CO2 technology

    Scientists and refrigeration practitioners are increasingly interested in carbon dioxide (CO2) technology. The IIR's Fridoc database contains 198 references to articles mentioning CO2 in their titles and 448 containing the term CO2 in the key...

    • Date de publication : 28/04/2004
  • Briefs: Sustainable fishery in Namibia

    Since November 2009, Hangana Seafood has a new pre-sorting facility in Walvis Bay harbour, Namibia, which uses ammonia as a refrigerant. The 2800 m² sorting facility has a 0°C chill room for holding unsorted fish, two 16°C temperature-controlled...

    • Date de publication : 04/02/2011
  • Briefs: Ice cubes at over 10°C

    Ice slurries are well known for their capacity to transport heat within confined systems. Cemagref is currently working on a new type of two-phase secondary refrigerant: a gas-hydrate slurry which could pave the way for applications in the...

    • Date de publication : 25/10/2008
  • Events: c-dig

    The latest c-dig (carbon dioxide interest group) meeting took place in Lyon, France, on November 3-4, 2008 and was attended by about 40 researchers, compressor manufacturers and industry stakeholders. It gave an overview of the current state of...

    • Date de publication : 24/02/2009
  • Cheers to that!

    An innovative brewery refrigeration system that uses natural CO2 gas has been conceived by engineers from the Ziemann Group in collaboration with Axima. This system, which will be of particular interest to large plants with extensive pipe networks...

    • Date de publication : 05/05/2006
  • Briefs: US supermarkets: CO2 gains ground

    Being already largely used in Europe, CO2 refrigeration systems might see important development in North American supermarkets. The medium-size retail chain Price Chopper Supermarkets has installed a cascade system using CO2 in the low-temperature...

    • Date de publication : 12/08/2008
  • Integrated CO2-CHP system

    Brunel - a UK University - and 14 industrial partners in the commercial refrigeration sector have presented an innovative integrated energy system which has been designed to meet the needs of medium and large supermarkets and can be tailored to...

    • Date de publication : 11/02/2011
  • Natural refrigerants in emerging countries: South Africa

    South Africa is facing an energy shortage and a rise in electricity prices. Natural refrigerants, which have important energy saving potential, are now being introduced, especially in supermarkets. Here are 2 examples: . GTZ has offered technical...

    • Date de publication : 07/03/2010
  • Intense competition for the next-generation MAC refrigerant

    Less than 3 years before the January 1, 2011 deadline for using fluorinated gases (F-gases) with a GWP higher than 150 in the new models of cars according to the European Directive 2006/40 on emissions from mobile air-conditioning (MAC) systems,...

    • Date de publication : 13/05/2008
  • Briefs: Optimized freight hub

    A new temperature-controlled freight hub in Christchurch International Airport, New Zealand, was opened by Hellmann Worldwide Logistics on March 12, 2009. "The facility has been predicated on environmental, efficiency and energy-conscious criteria...

    • Date de publication : 18/05/2009
  • New solar-cooling technology for cooling-freezing

    Refrigeration is often based on compressor technology which consumes electricity. A recently developed system making it possible to achieve relatively low temperatures solely using solar energy has been designed by PROMES, a laboratory working...

    • Date de publication : 04/05/2007
  • Proper disposal of old appliances

    The US Environmental Protection Agency along with 8 partners have launched a new, voluntarily Responsible Appliance Disposal programme to promote environmentally responsible disposal of old refrigerators and freezers, ensuring that CFCs are...

    • Date de publication : 12/02/2007
  • Alternative Cooling Technologies conference, London, 1st February 2005

    This conference, which was co-sponsored by the UK Institute of Refrigeration and organised commercially by RAC magazine, was well attended with about 140 people present. It was arranged in five sessions. In the first session, speakers from UK...

    • Date de publication : 11/02/2005
  • Impact environnemental de l’industrie de la crème glacée

    Ce document de synthèse présente l'impact environnemental de la fabrication de la crème glacée, qui est principalement lié à la consommation d'énergie et aux frigorigènes...

    • Dernière mise à jour : 17/11/2022
    • Langues : Français, Anglais
    • Thèmes : Généralités sur l'environnement (changements climatiques, appauvrissement de l'ozone…)
  • Frigorigènes : les hydrocarbures

    Les hydrocarbures tels que le R290 (propane), le R600a (isobutane) ou le R1270 (propène/propylène) sont des frigorigènes naturels non toxiques à faible PRP et dotés d'excellentes...

    • Dernière mise à jour : 22/06/2022
    • Langues : Français, Anglais
    • Thèmes : Hydrocarbures, Confinement, réduction de la charge en frigorigène
  • Crèmes glacées : fabrication, impact environnemental et données économiques

    D'un point de vue physico-chimique, la crème glacée est un mélange multiphasique congelé complexe. Le processus de fabrication comprend plusieurs étapes de congélation qui sont...

    • Dernière mise à jour : 30/06/2023
    • Langues : Français, Anglais
    • Thèmes : Crèmes glacées