The most important issue for alternative renewable energy source instead of fossil fuels is environmental concern. Human energy supply from carbon waste has an important role in environmental health. Fischer Tropsch synthesis is a reaction whereby carbon waste such as woods, foodstuffs, sewage, and any material that contains carbon in their structure, produces all oil derivatives including gasoline, diesel, etc. In this paper, the products model and the effective parameters of the model and also, the interaction between the parameters were investigated. PH, and T*P-H2 are effective parameters and interaction in the model, respectively. Finally, the optimization of products was discussed. The best operating conditions for minimizing CO2 and CH4 and maximizing C2H4 and C2H6 were investigated. This method can be suitable for environmental purposes. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.