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Natural Refrigerants for a Sustainable Future
Our society's awareness of the importance of a sustainable and environment-friendly use of resources is steadily increasing. More and more companies and institutions are coming to realize that there are environment-friendly alternatives worth looking into for their refrigeration systems. Natural refrigerants such as ammonia dimethyl ether help to protect the environment and improve sustainability.  
In the times of climate change and energy revolution, ammonia is the logical alternative for a number of applications in the fields of refrigeration and air conditioning: Energy efficiency and climate friendliness are the strong points of the natural refrigerant. With the right experts, made-to-measure planning and operational safety are possible even for large and complex systems.  
3 questions for ... eurammon member Sigurd Schiller
The phase-out which started at the beginning of the year will further boost the use of natural refrigerants in industry and in air-conditioning systems for buildings. On 1 January 2016, the EU reduced the permitted total quantity of climate-damaging F-gases by 7 %. Experts see high ecological and economic potential in using natural refrigerants for air-conditioning systems in buildings.  
4 questions to... Thomas Spänich, eurammon board member and Director Configuration Engineering Compression at GEA.
Interview with Eric Delforge, member of the eurammon Executive Board.
Monika Witt, eurammon Chairwoman, and Dave Rule, President of the International Institute of Ammonia Refrigeration (IIAR), report on the situation in their regions and reveal new trends in sustainable refrigeration.
3 Questions to Herrmann Renz, member of the Technical Committee of eurammon  
In view of the revised F-Gas Regulation, the refrigeration and air-conditioning branch is looking to change over to environmentally-friendly and viable applications that are also economically profitable. Switzerland is a major pioneer in this respect. But what exactly has put the Alpine state in this position? Outstanding energy standards and legislation demanding sustainable refrigeration and air-conditioning solutions definitely play an important role.
eurammon lecture event at the Chillventa  
The natural refrigerant ammonia impresses in new applications  
Dr Dieter Mosemann is a highly regarded expert in refrigeration and air conditioning technologies and advises various international committees. Before he retired, he was in charge of the screw compressor development in Berlin, which became part of GEA in 1994. In an interview with eurammon Dieter Mosemann answers the big questions surrounding energy efficiency and natural refrigerants.
The main facts and figures of the new F-Gas Regulation - eurammon Information Paper  
eurammon experts show what is important in refrigeration systems  
eurammon experts explain the economic advantages of natural refrigerants  
The natural refrigerant ammonia has proven its worth in industrial refrigeration for nearly 130 years. After a boom in the use of the now prohibited CFC refrigerants during the 1960s and 1970s, ammonia is today being put to increased use in industrial refrigeration. The main reasons concern the efficiency and low environmental impact of ammonia.
At the end of June the Environment Committee of the European Parliament recommended a faster and stricter reduction of F-gases (fluorinated greenhouse gases) by operators than expected. This more than ever brings into focus natural refrigerants, such as the hydrocarbon propane. Despite specific safety standards, propane applications are easy to implement and are increasingly popular with planners and engineers who consciously seek new refrigeration systems and a sustainable solution in terms of environmental protection and energy efficiency.
Globally active – eurammon and its partner organisations boost the use of natural refrigerants Our environment is changing. Harbingers of global warming can already be detected in many places today and are above all a clear indication of one thing: climate change is a global challenge that doesn't stop at national frontiers.
As an incentive to advance the use of natural refrigerants, the Australian government set new regulations for the use of fluorocarbon refrigerants. From various ways to promote eco-friendly refrigerants, the government chose the hard line: direct financial penalties for those operators and consumers who still make use of fluorocarbons. According to the new tax model, they must pay for every ton of synthetic greenhouse gases in an effort to convince them to change over to an environmentally friendly refrigerant alternative.
A statement by Heikki Oksanen, Sales Manager, Vahterus Oy The Australian government set new political regulations for the use of HFCs: In contrast to the former legislation to support the use of eco-friendly refrigerants, the new tax on greenhouse gas emissions presses every button and lets consumers and the industry pay for applying fluorocarbon refrigerants.
by Monika Witt Chairwoman of eurammon   The question as to how to prevent food from going off is probably as old as humanity itself. Way back in the Stone Age, people knew that food could be kept for longer in the cold, and stored meat and fruit in cool caves protected from heat and the sun. More than 5,000 years ago, the Egyptians used what must be the world's oldest natural refrigerant to cool their food and drinks: ice.
Natural refrigerants now have a firm place in the market as an environmentally friendly solution for industrial refrigeration. In view of legal directives and increasing ecological awareness on the part of operators and customers, the market is becoming more dynamic – new components are being developed and new applications installed. This does not only apply to refrigeration plants with a large capacity, but more and more to smaller capacity ranges too, such as those found in deep-freeze rooms.
Heat Pumps with Natural Refrigerants 1. Mr Spänich, heat pumps are an energy-efficient option of generating required heating energy. Where in the industrial area is the application of these pumps particularly well suited?  
On hot summer days in particular, many of us appreciate a refreshing beer from our own fridge. However, even during the brewing process itself certain temperatures have to be maintained. For example, the fermentation temperature of top-fermented beer is up to 22°C, while for bottom-fermented beer it should not exceed 10°C. For the “amber nectar” to succeed, breweries need refrigeration solutions tailored to their processes and individual requirements. “Nowadays, these systems are not just energy-efficient.
2012 is being swept by Olympic fever once again. The whole world is waiting to see which records will be broken in the individual disciplines and which new idols will emerge from the Games. But the focus is currently not just on the sporting aspects. The general public also expects the Games to show "Olympian performance" when it comes to climate protection. The environment should suffer as little as possible.  
The Organisation of Petroleum Exporting Countries (OPEC) expects that around 150% more energy will be needed by 2032 compared to today . The growing demand also means higher oil prices and therefore higher costs for the users. The issue of heating costs in particular makes companies literally break out in a sweat. They need energy for water heating, for air-conditioning in offices and workrooms or for manufacturing processes.
The European Union is the world's second largest market for frozen food. The consumption of refrigerated and frozen goods grows here by more than ten percent every year. Managing large quantities of food is no easy task for producers, storage logistic experts and retailers responsible for bringing the goods to their destination – the final consumer. In addition, companies have to ensure that the cold chain remains uninterrupted for the easily perishable goods with only a limited shelf life.
Climate change, greenhouse effect and global warming – scarcely any other issue is so omnipresent and so controversially discussed in the 21st century. Those who are convinced in doubting that climate change is man-made refer to various eras in the history of our planet where the earth has heated up or cooled down drastically even without any contribution on our part. In future too, they see climate change as the result of natural causes, including among others a changed ellipsoid orbit of the earth around the sun.
The food retailing sector increasingly uses natural refrigerants
Interview with Thomas Spänich, member of the Board at eurammon, the European initiative for natural refrigerants Mr.
Background article by Georges Hoeterickx, board member of eurammon, the European initiative for natural refrigerants
Large-scale heat pumps use industrial waste heat and waste water to generate new heat and hot water  
To ensure a consistent quality of foodstuffs, it is essential to ensure an uninterrupted cooling chain. More than 60 percent of all foods such as meat, milk and fruit would otherwise perish very quickly. Cooling these goods is a challenge for cold store operators: The method used needs to be safe. At the same time, economic pressures force them to minimise the energy needed to deliver the vast amount of cooling required.
by Monika Witt, Chairwoman of eurammon, the European initiative for natural refrigerants