Process Parameters Optimization, Characterization, and Application of KOH-Activated Norway Spruce Bark Graphitic Biochars for Efficient Azo Dye Adsorption

Guy, Marine; Mathieu, Manon; Anastopoulos, Ioannis; González Martínez, María; Rousseau, Frédéric; Luiz Dotto, Guilherme; Pequeno de Oliveira, Helinando; C. Lima, Éder; Thyrel, Mikael; H. Larsson, Sylvia; S. dos Reis, Glaydson

doi:10.3390/molecules27020456

Public

Process Parameters Optimization, Characterization, and Application of KOH-Activated Norway Spruce Bark Graphitic Biochars for Efficient Azo Dye Adsorption

Published in Molecules • Jan 11, 2022

Authors:

Marine Guy

Manon Mathieu

Ioannis Anastopoulos

Abstract

In this work, Norway spruce bark was used as a precursor to prepare activated biochars (BCs) via chemical activation with potassium hydroxide (KOH) as a chemical activator. A Box–Behnken design (BBD) was conducted to evaluate and identify the optimal conditions to reach high specific surface area an...

Subject

Potassium hydroxide

Adsorption

Pyrolysis

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