Activated Carbon for Citric Acid Decolorization: Why Wood-Based Powder Carbon Is Commonly Used
Citric acid production often requires decolorization and impurity removal after fermentation and purification steps. Wood-based powdered activated carbon is commonly used because it provides strong decolorization performance, fast adsorption, and good compatibility with liquid-phase food and fermentation processes. Selecting the right activated carbon grade can help improve solution clarity, reduce color bodies, and support stable final product quality.