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Ozone-depleting chemicals detected by scientists in the atmosphere in 1951 – decades earlier than expected
An international team led by the University of Bremen, Germany, has uncovered evidence of ozone-depleting chlorofluorocarbons (CFCs) in the atmosphere as early as 1951. This finding pushes back the known...
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2 939 actualités
Africa: a project to replace CFC chillers in Africa
A new UN Industrial Development Organisation (UNIDO) and French Global Environment Facility (FFEM) joint project aims at replacing chillers in several African countries. A survey conducted in Cameroon, Egypt, Namibia, Senegal and Sudan, identified...
News from the space: ammonia air conditioning for International Space Station
Astronauts from the space shuttle Discovery completed a 6-hour spacewalk outside the International Space Station in September 2009, installing a new ammonia refrigerant tank. They removed an 816 kg ammonia tank from a cargo carrier attached to the...
News from the space: Hubble
Following repairs to its cooling system, NASA's Hubble Space Telescope is back in business, uncovering new worlds, peering deeper into space, and mapping the invisible backbone of the universe. The first images from the refurbished Hubble showcase...
Out of the ordinary: Ötzi
Ötzi's last days are turning into a 5000-year-old murder case. New investigations by researchers have established the chronology of the injuries that Ötzi, the glacier man preserved as a frozen mummy, sustained in his last days. It has now been...
Out of the ordinary: Outdoor fridge
If you've always wanted to relax outside and not rush back to your kitchen to get cool drinks and food all the time, here's the ideal fridge for barbecues and outdoor parties.
Energy savings in display cabinets
Several new developments make it possible to save energy in display cabinets. - Optimizing air curtain velocity A team at the Air Curtain Research Laboratory at Kettering University in Michigan, US, has modellized the air flow in air curtains and...
MAC developments
While in the mobile air-conditioning (MAC) sector, R&D is focusing on alternative refrigerants to R134a (see "In the news" below), some other research projects or achievements are noteworthy: - The National Renewable Energy Laboratory in...
Reefer market strong despite crisis
The shipping sector has generally suffered from the economic downturn, especially bulk and container sectors. However, the reefer market still showed a 10-15% increase in 2008 as the ageing fleet is in need of renewal. At the end of 2008, the...
GCC district cooling is booming
According to a MEED recent report, the Gulf Cooperation Council (GCC) district cooling market has experienced rapid growth over the past 10 years and now has a capacity of just over 6300 MW. The GCC involves the 6 Persian Gulf states of Bahrain,...
Figures: France
- According to Cemagref, the French agri-food sector represents 24 million tons of refrigerated food, 4000 factories, 1600 warehouses (over 2000 m3), 8800 super- and hypermarkets, 60 000 local stores, 75 000 temperature-controlled vehicles, 36...
Heat pumps sales soar in France
AFPAC (Association Française pour les Pompes à Chaleur) has announced a record sales figure for air-to-water heat pumps (HPs). Sales recorded by AFPAC members were 133 080 in 2008, up over 160% over 2007. The overall market in 2008 is estimated...
Frozen foods take off in China
Total sales of frozen foods in China soared to USD 14 billion in 2008, up 140% over 2002. Tonnage reached about 4.615 million, or 3.47 kilograms per capita, up 70% according to Research & Markets. Frozen potato products were the fastest...
Briefs: Japan: refrigerant leakage larger than expected
According to a survey conducted by the Ministry of Economy, Trade and Industry (METI) of Japan, leakage of fluorinated refrigerants used in air-conditioning equipment in the country is on the average 10 times greater than estimated. METI collected...
Briefs: Pakistan: policy to support the cold chain
The Trade Development Authority of Pakistan (TDAP) plans to put in place a cold storage/cold chain infrastructure in order to fight post-harvest losses which are a major economic issue, for exports in particular. It is claimed that 35-40% of the...
Briefs: California promotes ammonia
The US Environmental Defense Fund (EDF) has proposed a bill designed to tackle the issue of high global warming potential (GWP) gases in California, and it is hoped that the bill will pave the way to national legislation. Ammonia is put forward as...
Briefs: Stockholm
Stockholm has won the coveted European Green Capital 2010 Award. Among technology singled out as exemplary: Stockholm's huge district cooling system.
Briefs: Coldstore Engineering in New Zealand
Hot off the press: a new set of guidelines for the New Zealand coldstore industry. The 67-page Coldstore Engineering in New Zealand document is published by the Institution of Professional Engineers New Zealand (IPENZ) Coldstore Working Party....
Out of the ordinary: Backpack fridge
"Boxcooler" a backpack fridge with picnic dishes solves the problem of keeping picnic food cool and applies state-of-the-art technology. On one side it can conveniently be carried on the back. On the other side, the cover hinge can be used as a...
Out of the ordinary: USB Mini Fridge
Fed up with warm drinks in the summer? Thanks to the USB Mini Fridge measuring 19.4 x 9 x 9 cm and weighing a mere 360 g, and a cooling pad running off your USB key that cools to 8.5°C within 5 minutes, you can cool your drink and stay at your...
Recent applications of CO2 in the food industry
Carbon dioxide has been used in highly advanced applications the food industry for decades. Recent concerns about greenhouse gas emissions are leading manufacturers to use recycled CO2 from other industrial processes. Linde claim they use the...
Pioneering CO2 road vehicles
Aldi Süd, Germany's biggest supermarket chain, is investing in new road transportation for frozen food and beverages with a view to promoting CO2. The next-generation vehicles will go into serial production after being exhibited at the Frankfurt...
Eight ways to save energy in cold stores
Researchers from Enviros Consulting analysed cold storage at 13 frozen food manufacturers and cold store operators in UK for the report "Improving the energy efficiency of the cold chain" released by the British Frozen Food Federation (BFFF)....
Briefs: Empire State Building
Once the world's tallest building, the Empire State Building is addressing a new challenge: it's going green. Chillers in the cooling plant will be rebuilt, and with insulation will generate roughly half the savings. The owners of the landmark...
Briefs: Dehumidification and cooling system cuts energy consumption by 43% in meat processing plant
Cooling and dehumidification costs in a meat plant in Germany have been reduced by a system using hot and cold water from other processes. According to DuCool, TönniesFleisch plant in Rheda-Wiedenbrück is saving annually 165 000 € in electricity...
Briefs: First MAC system using an ejector
Denso Corporation has developed the world's first passenger mobile air-conditioning system that uses ejector technology. The ejector, which is a small refrigerant injector, was installed on the new Prius introduced by Toyota in May 2009. According...
