Bamboo charcoal (zhú tàn) is a type of charcoal made by carbonizing bamboo at high temperatures. The character 竹 means 'bamboo'—a fast-growing, hollow-stemmed grass native to Asia—and 炭 means 'charcoal', referring to the porous, black carbonized material produced through pyrolysis. Together, they form a compound noun indicating charcoal specifically derived from bamboo, not wood or other materials.

This product is widely used in East Asia for its exceptional adsorption capacity, natural deodorizing properties, and mineral content. It appears in everyday items like water filters, air purifiers, skincare products, and even food-grade additives (when specially processed). Because it’s plant-based and sustainable, bamboo charcoal is often marketed as an eco-friendly alternative to conventional charcoal. Its fine microstructure gives it a larger surface area than wood charcoal, enhancing its functional utility beyond fuel—especially in health, household, and environmental applications.