Why Powdered Activated Carbon Sometimes Causes Slow Filtration in Decolorization Processes – and How to Improve It

Powdered activated carbon is widely used for liquid decolorization, but some processes experience slow filtration after carbon treatment. This article explains the main reasons behind filtration problems, including particle size distribution, fine powder content, carbon dosage, solution properties, and filtration conditions, while offering practical ways to improve overall process efficiency.
How Rising Phosphoric Acid Prices Affect Wood-Based Powdered Activated Carbon

Rising phosphoric acid prices are increasing cost pressure on wood-based powdered activated carbon, especially for products produced through phosphoric acid activation. This article explains how raw-material market changes can affect activated carbon pricing, quotation validity, supply planning, and procurement decisions for decolorization and liquid purification applications.