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Introduction

In modern brewing and food processing industries, the decolorization process often involves multiple solvent systems. Ethyl acetate, ethanol, methanol, water, and butanol — as common extractants or reaction mediums — exhibit different physicochemical properties. In such a complex multi-solvent environment, an ideal decolorizing material must have strong adsorption capacity, excellent chemical stability, and selectivity.

Wood Powdered Activated Carbon: A Scientific Solution for Wine Decolorization

Unique Porous Structure Advantages

The excellent performance of wood powder-activated carbon in a multi-solvent system lies in its unique graded micropore-mesopore-macropore structure:

Micropores (< 2 nm): Efficiently adsorb small-molecule pigments and impurities.

Mesopores (2–50 nm): Major contributors to the capture of medium molecular weight pigment molecules.

Macropores (> 50 nm): Serve as transport channels, ensuring rapid ingress and egress of both solvent and pigment molecules.

High-quality wood-activated carbon, after high-temperature activation and deep purification, forms a stable surface with chemical properties that will not decompose or release impurities in acidic, alkaline, or organic solvent environments. This ensures that the decolorization process does not introduce new contaminants.

Kelin Wood-Based Powdered Activated Carbon: A Solution Optimized for Oenological Processes

As a leading enterprise specializing in the research and development of high-quality activated carbon, Kelin has developed a series of wood-based powdered activated carbon products tailored to the specific needs of the wine-making and food-processing industries. These products have performed exceptionally well in wine decolorization applications.

The Advantages of Kelin Activated Carbon

Precise Porosity Control Technology

Through advanced activation processes, we precisely control the pore size distribution of activated carbon, achieving optimal adsorption efficiency in different solvent systems such as ethyl acetate, ethanol, methanol, water, and butanol.

Outstanding Solvent Adaptability

After special surface treatment, Kelin wood powder activated carbon exhibits excellent dispersibility and wettability in solvents of varying polarity. Whether in polar aqueous solutions, moderately polar ethanol solutions, or non-polar butanol solutions, our product disperses rapidly and evenly, enabling consistent and thorough decolorization throughout the system.

Rigorous Safety and Compliance

High Purity Assurance: We use food-grade raw materials and fully enclosed production processes to ensure the product is free from heavy metal residues.

International Certification: Our products have obtained international food contact material certification and meet the highest safety standards in the brewing industry.

Halal Certification: Available upon request to meet relevant religious dietary regulations.

From laboratory testing to mass production, Kelin Activated Carbon is consistently committed to exploring and innovating alongside our customers. We firmly believe that it is this pursuit of scientific accuracy and attention to process details that makes our products an irreplaceable component in the production lines of many partners.

If you are interested in activated carbon for wine decolorization, please contact us directly. We will reply to you within 2 hours.