Open Access

ARTICLE

Upgrading the Quality of Solid Fuel Made from Nyamplung (Calophyllum inophyllum) Wastes Using Hydrothermal Carbonization Treatment

Riina Syivarulli^1,2, Nugroho Agung Pambudi^2,*, Mochamad Syamsiro³, Lip Huat Saw⁴

1 Graduate Program of Vocational Teacher Education, Sebelas Maret University, Surakarta, 57126, Indonesia
2 Department of Mechanical Engineering Education, Sebelas Maret University, Surakarta, 57126, Indonesia
3 Department of Mechanical Engineering, Janabadra University, Yogyakarta, 55231, Indonesia
4 Lee Kong Chian Faculty of Engineering and Science, UTAR, Kajang, 43000, Malaysia

* Corresponding Author: Nugroho Agung Pambudi. Email: