Efficiency increases in ammonia refrigeration plants
The results of a comparison of energy usage in various plants show that specific power consumption for providing refrigeration in German breweries runs between 2.8 and 6.5 kWh/hl. Energy consumption of a refrigeration plant is made up of actual refrigeration requirements on the one hand and plant efficiency or coefficient of performance on the other hand. This article focuses primarily on plant efficiency of compressor refrigeration units, even though refrigeration requirements themselves can, in many instances, also be pushed down by e.g. changing process parameters, reducing losses etc.
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