Decolorization Activated Carbon

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Food Decolorization Activated Carbon

Activated carbon has a key role activated carbon is a reference material for industrial decolourization, providing proven elimination of colorants, pigments, and colorants from sugar-syrups, edible oils, drinks, drug intermediates, and chemical process flows.

What Is Decolorization with Activated Carbon?

Active carbon decolorizing is a liquid phase cleaning method in which a coloured liquid or a process flow is applied to a food or industrial active carbon so as to allow selective absorption of colorants, colorants, pigments, melanoids, caramelized products, and other light absorption impurities that give an unwanted colour to the end product.

The colour of the industry flow is derived from various sources – natural vegetable pigments, Maillard reaction products produced by thermal treatment, oxidation degradative compounds, residue dyes, and process chemistry which produce coloured by-products. Colour is the first quality standard in a number of sectors, such as sugar refinery, edible oil processing, drink making, pharmacy making, and professional chemistry. Active carbon is able to overcome this problem by having an unusually large surface area, a well-developed mesoscopic structure, and a great ability to adsorb large aromatics and conjugates. The result is a cost effective, workable decoloring solution that consistently delivers the colour reduction performance needed by industry processors across batch and continuous process configurations.

Key Advantages of Decolorization Activated Carbon

High Color Removal Efficiency Per Unit Dose: Wood and other mesopore-dominated active carbon classes provide excellent colour absorption – reduction in the amount of carbon consumed in each production lot, reduction in processing costs, and consistent delivery of the final colour of the final product across the varying colour levels of the feed flow.
Selective Adsorption That Protects Product Quality: Highly selective removal of the target colour and colour impurities by a Decolorization-class active carbon is achieved by minimising co-absorption of desired product constituents - such as sugars, flavorings, vitamins, active drugs, and speciality chemicals - which, if they are lost to carbon, will result in a loss of production and market value.
Broad Industrial Application Compatibility: Activated carbon decolorization performs reliably across a wide range of process pH levels, temperatures, and solution compositions — making it compatible with sugar liquors, edible oil miscella, fruit juice concentrates, pharmaceutical mother liquors, amino acid solutions, citric acid streams, and chemical process intermediates without requiring process redesign.
Flexible Batch and Continuous Process Integration: The Slurry Contact Batch Decoloration and Granular (GAC) Process can be used in Continuous Fixed Bed Bleaching in the form of a PAC, Active Carbon is included in the existing Process Facility Configuration - enabling the Processor to optimize Their Particular Product and Throughput Demands Contact Time, Carbon Dosage and Filtering Method.
Compliance with Food-Grade and Pharmaceutical Safety Standards: The production of food and pharmaceutical grade active carbon has achieved NSF/ANSI, FDA 21 CFR, European Union Food Additive Rules and Pharmacopeia Norms - which offer the necessary regulatory documents and purity guarantees for applications in food-contact, pharmacy, and nutritional production environments.

業界が直面する課題

Balancing Color Removal Against Product Yield Loss

Not only does the active carbon adsorb the colour, but it also absorbs a small amount of desired product constituents – such as sugars, amino acids, active drug constituents, and flavour compounds – which need to be carefully selected and optimized in order to maximise the amount of paint removed and minimize the value of the co-adsorption losses of the product.

Carbon Filtration and Separation Adds Process Complexity

Once decolorizing, it is necessary to remove spent active carbon from the treatment solution by filtrating – a unit operation which increases the capital, treatment time, filtration assistance, and product loss by retaining carbon cake, which is especially challenging in high viscosity process flows, e.g., concentrated sweet liquor and edible oil mixtures.

Color Reversion Compromises Product Shelf Life

Some of the colorants which have survived the active carbon treatment may be subjected to further colour development in the course of the downstream concentration, thermal treatment, or store – resulting in the final colour of the final product beyond the requirements of the decolourisation and the need for an extra processing phase or a modification of the technological conditions in order to obtain a stable, shelf-life compatible colour level.

製品概要

Sugar Refining and Decolorization

The raw cane and beet spirits include melanoids, caramelized preparations, polyphenol and other colorants which are generated in the process of extracting and evaporating the juice, which need to be eliminated in order to obtain the quality of the white, refined sugar required by the food producers and the retail trade. The PAC is brought into contact with the heated sugar liquid in a batch blending vessel at a controlled pH and temperature, absorbing a colour body prior to removal of the carbon by a filter or a pre-coat filter – continuously attaining a high colour reducing efficiency needed to comply with a fine sugar colour standard as determined by an ICUMSA Colour Unit.

Edible Oil Bleaching and Deodorization

Raw plant oils — such as palm, soy, sunflower, canola, and coconut — have chlorophyll, carotenoid, gossypol, oxidants, as well as other colorants and deflavorings that have to be eliminated in order to make the light-coloured, neutral flavour desired by food producers and consumers. Active carbon can be applied during the bleaching phase of an edible oil refinery – either individually or in conjunction with a bleaching soil – to absorb the remaining colours, PAH (PAHs) and off-flavour compounds from the oil, thereby creating a finished product which complies with the FSS and ISO/IEC Colour Standards.

Beverage and Fruit Juice Decolorization

Fruit juice, liquor, liquor, vinegar and other drinks need to be bleached or standardized in order to obtain a uniform look of the product, eliminate oxidation induced colour growth, and remove the extraneous ingredients which influence the taste and the consumer’s perception of the product. Active Carbon – which is used as an interface phase in a drink manufacturing line – absorbs polyphenol, tannins, anthocyanin, and Maillard Reaction colours from the drink flow so that the processor can reach the desired colour level, increase the transparency of the product, and regulate the appearance of the product in different lots for the needs of the retail packing and export market.

Pharmaceutical Intermediate and API Purification

The Active Drug Component (API) Synthesis and Intermediate Purification Processes often produce coloured impurities — including reaction by-products, catalytic residues, and degradants — which have to be eliminated in order for a drug to move on to a subsequent synthetic or ultimate preparation. The active carbon decolorizing phase is incorporated in a medicine cleaning process to absorb such colour impurities from API and middle flows, thereby increasing the colour of the product in accordance with the pharmacopeia requirements, lowering the cleaning load on the lower end of the chain, and making it possible for pharmaceutical companies to comply with the strict requirements of colour and purity for the authorisation of medicines.

Amino Acid and Fermentation Product Purification

Ingredients derived from the diet — consisting of amino acids like lysine, glutamate, and threonine, but also from organic acids, vitamins and enzymatic preparations — comprise a complicated mix of colour bodies, melanoids, and fermented by-products produced in the course of microbiological manufacture which have to be eliminated in order to attain the desired level of purity and appearance in foodstuffs, feedingstuffs and medicines. Active carbon decolorizing treatment on the fermentation broth or the downstream purifying flow selectively absorbs the colour compounds, allowing the producer to manufacture an amino acid and a fermentative product that satisfies the colour criteria and the regulatory purity standards of the consumer, with no need for further purification.

Citric Acid and Organic Acid Decolorization

Fermented or chemically synthesized organic acids such as citric, lactic, and gluconic acid include colour bodies, residue fermented liquid ingredients, and process impurities which result in a yellowish or brownish colour that is not compatible with food or pharmaceutical quality. Active Carbon Decoloration – Used as a Contact Process on an Organic Acid Solution prior to End Crystallisation or Concentration – Eliminates such Color Compounds to Low Colour Levels Needed in Food Additives, Drug Excipients, and Industry Chemistry, Making Organic In.

Chemical and Specialty Product Decolorization

Various industrial chemistry products, such as glycerin, sorbitol, polyesters, surface active agents, refined chemicals, and specialized chemical intermediates, have colored impurities produced in the course of synthetic, catalyst, or downstream treatment which lowers the quality of the product and restricts the potential for the use of colour sensitive end-uses. As an economical finishing decoloring phase, ACCC is incorporated into the Chemical Cleaning Train, which removes remaining colour from the Chemical Flow Flow to Low-Colour Specifications for Beauty, Personal Care, Pharmacy, and Food Contact Chemistry – allowing Chemical Producers to enter Superior Market Segments that Demand Proven Or Water Quality.

Our Lithium Battery Activated Carbon Advantages

Superior Color Body Adsorption Efficiency Per Unit Dose

Mesopore-dominated active carbon classes provide extraordinary color-removing performance per gram - consistently reaching the ICUMSA colour standard for sugar-refinery, food-oil bleaching, and drink treatment with a low-carbon dose ratio, which will result in a reduction in the cost of raw materials and the amount of carbon used for each production lot.

High Selectivity That Preserves Valuable Product Components

Selective removal of color- Minimum coabsorption of sugars, amino acids, aromatic compounds, and active drug components in order to ensure the production rate, to keep the lower end of the process and to maximise the market value of pure foodstuffs, drinks, and drugs.

Certified Food-Grade and Pharmaceutical-Grade Safety Compliance

Manufactured and tested in accordance with NSF/ANSI, FDA 21 CFR, EU Food Additive Rules, and Pharmacopeia criteria, decolonizing active carbon offers a complete set of regulatory accreditation documents – enabling food, drink, and drug companies to obtain vendor credentials and guarantees of their products in order to conduct a regulatory audit and to gain entry into the world.

すべての活性炭のカテゴリーを検索

Getting consistent decoloring results begins by choosing an active carbon level that is exactly in line with the colour strength of your feed flow, the chemical composition of the product, and the purity of the downstream. Our active carbon product line consists of wood, coal, and coconut shell – both in the form of powder and granules, which are certified as food and pharmaceutical. Check out the full catalogue of colour stripping properties and determine the appropriate level for your decoloring.

すべての産業向けソリューションを検索

Decoloring is one of many liquid-phase purification challenges where advanced chemical materials deliver critical process performance. Regardless of whether you are involved in food-and-drink production, pharmacy production, wastewater treatment, industrial gas cleaning, or environmental remediation, we use activated carbon, aluminum oxide, titanium dioxide and other high performance materials for a wide range of cleaning. Search for appropriate materials and methods for your particular technology and product quality.

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