Synthesis and Application of NaOH‐Activated Harmal‐Derived Biochar for Adsorptive Removal of p‐Nitrophenol from Aqueous Solution
Increasing concerns about water pollution have highlighted the importance of developing new methods for wastewater treatment. From a green and sustainable point of view, biochar is classified as one of the most important candidates for wastewater treatment. This study used Harmal as a waste feedstock to prepare bio...