1. Energy Engineering Laboratory, Departement of Renewable Energy Engineering, Politeknik Negeri Jember, Jl. Mastrip 164 Jember 68121, Indonesia
2. Graduate Program of Mechanical Engineering, Universitas Sebelas Maret, Jl. Ir. Sutami No.36 Surakarta, 57126, Indonesia
3. Department of Chemistry, Universitas Jember, Jl. Kalimantan 37 Kampus Tegalboto, Jember 68121, Indonesia
4. Department of Mechanical Engineering, Politeknik Negeri Semarang, Jl. Prof. H. Soedarto S.H. Semarang, 50275, Indonesia