Abstract
Energy balance analysis study for the production process of biodiesel needs to be done to find out whether a production process of biodiesel activity has a surplus energy or minus energy. This study aims to analyse the balance of energy of the plantation of palm, production of palm oil, and production process units of biodiesel with the life cycle assessment in Banyuasin - Indonesia. The results of this study indicate that the largest energy input in the plantation of palm, production of palm oil, and production process units of biodiesel sequentially is the use of urea as N-fertilizer, electricity, and methanol. The value of NEB and NER in the production process of palm biodiesel sequentially is 5871 MJ and 1.17. Finally, the production process of palm biodiesel in Banyuasin area has a positive energy balance. The activity of production of palm biodiesel is proper to operate because it produces an energy surplus.
Highlights
Biodiesel is an alternative solution for the availability of renewable bioenergy which can be used as a substitute for diesel energy
The results of this study report the value of energy balance of production of palm biodiesel A and production of palm biodiesel B is positive
The processing unit of plantation of palm, production of palm oil, production of biodiesel has the largest input energy derived from un-renewable fossil energy sources
Summary
Biodiesel is an alternative solution for the availability of renewable bioenergy which can be used as a substitute for diesel energy. Biodiesel has the benefit of being more environmentally friendly than diesel. Many studies on the Life Cycle Assessment (LCA) of the biodiesel production process, objective to calculate the environmental pollution potential impact from the biodiesel production process [1,2,3,4,5]. In addition to studies to analyse the potential impact of environmental pollution, the study of energy balance analysis of the biodiesel production process needs to be done. NEB is calculated utilizing output energy minus input energy of the biodiesel production process. NER is calculated utilizing output energy divided by input energy of the biodiesel production process. The indicator of success for the study of energy balance analysis so that the biodiesel production process is proper to be operated is NEB and NER are positive [6,7,8]
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