Big Island Carbon manufacturers premium grade granular activated carbon. Our raw materials, proprietary technology and sustainable practices create a unique product with an indisputable advantage for select global partners. The intrinsic properties of activated carbon are dependent on the raw material source. Until now, the primary sources for activated carbon have been coal, coconut shells, wood and lignite. Macadamia nutshells have been proven to have superior properties to other feedstock, which allows Big Island Carbon’s product to be used for higher value specialty applications in air and water purification.