The liquefied petroleum gas (LPG) production industry, commercially known as residential gas, presents challenges such as continuous production, the need to control the production process in real time and the variability of product quality due to the behavior of parameters thermodynamics of production. In this scenario, this work presents two distinct algorithms and proposes methods to monitor the quality of LPG in real time. At the end, an analysis tool and the control measures that must be implemented will be presented to guarantee the reduction of variability according to the principles of lean production.