Preparation of Tetra Pak-Based Hydrochars for Cleaning Water Polluted by Heavy Metal Ions: Physicochemical Properties and Removal Mechanism

<div>Contribution of surface functionalities of Tetra Pak-based hydrochars to the adsorption of heavy metal ions from aqueous solutions. (a) 30°C. (b) 40°C.</div>

International Journal of Chemical Engineering

fig9

Figure 9

Figure 9: Preparation of Tetra Pak-Based Hydrochars for Cleaning Water Polluted by Heavy Metal Ions: Physicochemical Properties and Removal Mechanism 

Figure 9 | Preparation of Tetra Pak-Based Hydrochars for Cleaning Water Polluted by Heavy Metal Ions: Physicochemical Properties and Removal Mechanism 