Fresh water hyacinth was collected from the tanks which
wastewater is pumped from stabilization pond, whereas the empty
fruit bunch (EFB) fibers were obtained from the palm oil mill
located at FELDA Bukit Besar, Kulai, Johor. Cassava starch bought
from the local grocery shop. Dried biomass was blended into small
particles using an electric blender and the ground material was
passed through an 850 mm sieve. The raw materials were kept in a
polyethylene bag at room temperature until further used for
briquette production.