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Food and pharmaceuticals Activated carbon in the food and pharmaceutical industries

In the manufacture of food, luxury foods and pharmaceutical products, purity and product quality are key requirements. Activated carbon is used in these areas to remove undesirable colorants, odors and process residues from liquid and dissolved products - reliably and with proven effectiveness in a variety of industrial processes.

The activated carbon types used in these applications must meet special requirements: In addition to adsorptive performance, food and pharmaceutical approvals, defined purity specifications and complete quality documentation play a decisive role. Activated carbon is mainly used here as a powder in the contact process, but can also be used granulated in a fixed bed depending on the process.

The spectrum of applications ranges from sugar refining, edible oil refining and glycerine purification to the decoloration of active pharmaceutical ingredients and intermediates. What all these processes have in common is that activated carbon, as an adsorbent, selectively absorbs unwanted compounds from the product stream without affecting the actual product.

Food industry

In the food and beverage industry, activated carbon is used to remove colorants, odorous substances, and process residues from liquid products and raw material solutions. Typical processes include the decolorization of fruit juices, syrups, and other liquid products, as well as the treatment of process water.

Pharmaceutical Industry

Activated carbon is used in pharmaceutical manufacturing for the decolorization, purification, and deodorization of active ingredient solutions and intermediates. The grades used meet the requirements of current pharmacopoeias and are suitable for use in regulated manufacturing environments.

Cooking oil

In the refining of vegetable and edible oils, activated carbon is used to remove color pigments, oxidation products, and odor-causing compounds from the crude oil. It complements the traditional bleaching earth treatment or replaces it in certain process stages.

Sugar

In sugar refining, activated carbon—typically in powder form—is used to adsorb dyes, molasses residues, and organic impurities from sugar solutions, thereby achieving the desired product color and quality. This process is a standard step in industrial sugar processing.

Glyzerin

Crude glycerin from biodiesel or soap production contains dyes, odorous substances, and process residues that must be removed for further use. Activated carbon effectively adsorbs these impurities and helps upgrade the glycerin to technical or pharmaceutical purity levels.

Discoloration

Decolorization of liquid products is one of the oldest and most widespread applications of activated carbon. Whether in the food, pharmaceutical, or chemical industries, powdered activated carbon is added to the product, binds the colorants through adsorption, and is then filtered out.

At a Glance

Decolorization of sugar solutions and syrups in refining
Refining and clarification of edible and vegetable oils
Purification and decolorization of crude glycerin from oleochemical processes
Removal of impurities from pharmaceutical active ingredient solutions
Decolorization of liquid intermediate and final products in food production
Treatment of process water in beverage and food production
Use of activated carbon grades approved under food regulations