Over the past 36 months EcoPlanet Core Carbon has been carrying out numerous R&D trials to develop an intricate understanding of charcoal and how our bamboo compares against traditional hardwoods. These trials have a dual purpose and consider the production of two bamboo charcoal products: (1) a high end “precursor” charcoal (charcoal that is used as the raw material / feedstock for a subsequent processing step for the production of high end niche products) and (2) regular lump charcoal, similar to what a large portion of the developing world still relies on for their cooking and heating needs.
What we’ve discovered is that bamboo charcoal, when processed within EcoPlanet Core Carbon's proprietary kiln technology, has significant advantages from a manufacturing perspective. In recent trials we did a quick comparison using the same kilns for a bamboo feedstock against a hardwood feedstock. Both feedstocks were treated identically from time of harvest through manufacturing.
Hardwood Feedstock (eucalyptus)
Raw feedstock weight: 216.0kg
Weight of charcoal: 56.4kg
Conversion yield: 26%
Time to burn off moisture vapor: 4 hours
Time for pyrolysis start to finish: 2 hours
Total time to carbonize from kiln start to cool down and unpacked drums: 42 hours
Bamboo Feedstock (Bambusa balcooa)
Raw Feedstock weight : 74.5kg
Weight of charcoal: 18.5kg
Conversion factor: 25%
Time to burn off moisture vapor: 2.15 hours
Time for pyrolysis start to finish: 1 hour
Total time to carbonize from kiln start to cool down to unpacked drums: 28 hours
While bamboo is an inefficient feedstock in terms of volume, the structure of a typical culm and the large surface area allows for rapid loss of moisture, while hardwoods require a much longer period. This in turn allows for a faster pyrolysis process, allowing for the bamboo feedstock to be rapidly carbonized down to a core fixed carbon structure.
Results indicate that although bamboo charcoal can have properties that are very similar in terms of yields and calorific value to most hardwoods currently used, manufacturing of this feedstock requires carefully designed and specialized technology, that has been adapted to the unique properties of the bamboo fiber.
EcoPlanet Core Carbon's proprietary bamboo pyrolysis technology is currently being implemented across multiple countries. Please contact us for more information or to get involved at email@example.com.