What can we further do with wood charcoal? If you want to make more profits from wood wood carbonization, you can process wood charcoal into briquettes. In this process, we usually add some auxiliary materials. For example, adding anthracite can prolong lit time. Lime adding makes you know immediately when the charcoal burns completely. In addition, corn starch makes your biochar powder easier to form into pellets. But, to make these materials work fully, you need to mix them with wood charcoal evenly with charcoal mixer.