Pheka Betta beehive briquettes are anthracite briquettes made from powdered anthracite, starch and clay mud mixed in certain proportions. The beehive briquette is a circular shape briquette having diameter of 145 mm and height of 85 mm with 21 holes of 12 mm diameter. Due to the holes, it looks like beehive, thus the name. Pheka Betta briquettes, weighing 750gr, produces a smokeless blue flame for 4.5 to 6 hrs and can be burnt in specially made metal stoves. The briquette is placed on the grate of the stove and ignited by wood chips twigs or fire lighters. Once the briquette catches fire at the base, it spreads uniformly and propagates upward. It can be used for cooking and space heating. This is an eco-friendly alternative clean source of household fuel to save electricity and wood fuel. Emission of harmful gases from Pheka Betta is very low compared to wood and woody biomass which are commonly used by rural people. The calorific value of this briquette is approximately 18-20 MJ/kg and emission of CO, CO2, CH4, NO, and NOx ranges between 0.05-0.1%, 0.1-0.5%, 100-200 ppm, 0.5-3.0 ppm and 0.5-3.5 ppm respectively which is well within the permissible limit. Stoves, including water tanks and flue pipes are available in different configurations.
