Preparation of Microporous Carbon from Sargassum horneri by Hydrothermal Carbonization and KOH Activation for CO₂ Capture

Figure 1

TGA and DTG curves for (a) S. horneri, (b) hydrochar (HC), and (c) the mixture of HC and KOH (HC-KOH) under N₂ flow.

(a)

(b)

(c)