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The objective of this study is related to an absorption refrigeration system operating in an industrial manufacturing of detergent (Henkel Algeria).In fact detergent manufacturing requires a large amounts of vapor where the possibility of use it as a thermal energy in the absorption refrigeration system.The dual use of steam on the one hand as an input in the production of detergents, and also as thermal energy supplied to the absorption refrigeration system has a dual objective simultaneously characterizing energy saving and environmental protection. The tested machine met the assumptions that we have developed at least before his sudden stop due to an increase in pressure which we describe in this work. We have established the comparison of calculated values with several experimental measurements, which allows saying that the simulation model describes satisfactorily the behaviour of the refrigerating machine before failure. [ABSTRACT FROM AUTHOR]