In the field of gas phase adsorption, coal-based activated carbon products are often used for gas phase adsorption because of their high strength and easy recovery. Wood activated carbon is not used for gas phase adsorption because of its low strength. However, with the progress of technology and the improvement of production technology, its application has been extended to some emerging gas adsorption fields, such as oil and gas recovery, household air purification and so on. And with the improvement of people's attention to health and environmental protection, the application space of wood activated carbon in the field of gas adsorption will further grow.

From the long-term trend: raw coal resources are non-renewable, coal-based activated carbon resources are limited, and carbon dioxide emissions increase greatly during production, so the price of coal-based activated carbon is on the rise driven by raw materials and environmental protection costs; However, because the main raw material of wood-based activated carbon is "three residues" from forest products, it can be recycled, and because of technological progress, the price of wood-based activated carbon is expected to decline relatively, so the long-term competitive advantage of wood-based activated carbon is higher than that of coal-based activated carbon.