Adsorbents
Our adsorbents stand for maximum purity, efficiency, and safety in the treatment of sensitive liquids. They are used to remove colour, odour, contaminants, and unwanted trace components—while fully preserving the product.
Activated Carbon
From Norit®
NORIT® activated carbons are highly porous adsorbents for removing unwanted colour, odour, and trace substances from liquids and gases. Different powder, granular, and specialty grades enable targeted adaptation to the application, process, and required adsorption performance. The portfolio includes solutions for food and beverages, pharmaceuticals, chemicals, and water and environmental engineering.

Industries

Chemical industry
NORIT® activated carbons remove colour, odour, and trace impurities in chemical processes and improve product specifications.
Application area
Purification and treatment of organic and inorganic
chemicals.
Products & properties
- NORIT® PUREFLOW C – suitable for inorganic chemicals,
high purity - NORIT® CN1 – high adsorption performance for organic
chemicals
Benefits
- High adsorption performance for various contaminants
- Adaptation to organic and inorganic process media
- Support for defined product specifications

Food & Beverage
NORIT® activated carbons are used for decolorization, deodorization, and removal of unwanted accompanying substances in beverage and food production.
Application area
Treatment of alcoholic beverages, fruit juices, and food-related liquids.
Products & properties
- NORIT® CASPF – powdered activated carbon for alcoholic beverages
and juices - NORIT® KB-EV SUPRA – high adsorption performance for
beverage applications - NORIT® SA4 PAH HF – targeted reduction of PAHs
- NORIT® CG1 – versatile use in food & beverage
processes
Benefits

Gas & air purification
NORIT® activated carbons adsorb organic pollutants and odours from gas and air streams.
Application area
Purification of process air, exhaust air, and technical gases.
Products & properties
- NORIT® PK 3-5 – pelletized activated carbon for air purification
- NORIT® GL 50 – robust for exhaust gas and incineration plants
- NORIT® R 2540W – granular activated carbon for a wide range of gas applications
Benefits
- Effective odour and pollutant removal
- Low pressure drop
- Long service life

Pharmaceutical applications
NORIT® activated carbons support the removal of by-products and impurities in sensitive pharmaceutical processes.
Application area
Purification of pharmaceutical active ingredients, intermediates, and
regulated applications.
Products & properties
- NORIT® CA1 – proven for bulk drugs & APIs
- NORIT® SX PLUS – high adsorption performance for
pharmaceutical applications - NORIT® A SUPRA EUR – pharmacopoeia-compliant (EU)
- NORIT® B SUPRA EUR – pharmacopoeia-compliant (EU)
- NORIT® C EXTRA USP – pharmacopoeia-compliant (USP)
Benefits
- High and reproducible purity
- Pharmacopoeia-compliant grades available
- Suitable for sensitive and regulated processes

Water & environment
Drinking, process & wastewater
NORIT® activated carbons remove chlorine, odour- and taste-causing compounds as well as organic contaminants from water streams.
Application area
Treatment of drinking water, process water, and industrial wastewater.
Products & properties
- NORIT® 18×40 AG 1 – POE/POU filters, compact filtration systems
- NORIT® GAC 830W – granular activated carbon for drinking water
- NORIT® GAC 1240W – high capacity for drinking and
process water - NORIT® W 35 – powdered activated carbon for rapid adsorption
- NORIT® PK 1-3 – PAC for shock loads
- NORIT® GCN 830 – robust activated carbon for wastewater applications
Benefits
- Removal of organic trace substances
- Improved odour and taste
- Powder and granular grades for different treatment systems
Clariant TONSIL® bleaching earths
TONSIL® bleaching earths from Clariant are used in the food and process industries for decolorization, purification, and quality improvement of oils and fats. They reliably remove colourants, oxidation products, soap residues, metals, and other unwanted accompanying substances, contributing to stable, reproducible refining processes.
The various TONSIL® grades enable targeted adaptation to oil type, process operation, and filtration—from cost-effective standard applications to demanding specialty oils.


Edible oils & fats
Food & Beverage
TONSIL® bleaching earths are used in edible oil refining to remove colourants, oxidation products, soap residues, metals, and other unwanted accompanying substances.
Application area
Refining, decolorization, and purification of vegetable and animal oils and fats.
Products & properties
- TONSIL® 210 FF – versatile all-rounder for different refining processes
- TONSIL® SUPREME 112 FF – for increased adsorption and decolorization requirements
- TONSIL® SUPREME 114 FF – high adsorption and decolorization performance
- TONSIL® STANDARD range – cost-effective grades for classic applications
Benefits
- Improved colour and purity
- Targeted removal of unwanted accompanying substances
- Good filterability
- Flexible adaptation to crude oil and refining target

Standard & universal oils
Food & Beverage
These TONSIL® grades offer a balanced combination of decolorization, adsorption, and filterability for classic refining processes.
Application area
Standard refining of various vegetable and animal edible oils.
Products & properties
- TONSIL® 210 FF – key all-round grade with a broad range of applications
- TONSIL® STANDARD 310 FF – proven standard grade
- TONSIL® STANDARD 314 FF – for higher adsorption requirements
- TONSIL® STANDARD 302 FF – cost-effective grade for basic applications
Benefits
- Broad range of applications
- Good balance between performance and cost-effectiveness
- Reproducible refining results
- Flexible product selection for different oil qualities

Specialty oils & sensitive applications
Food & Beverage
Special TONSIL® bleaching earths for high-quality and sensitive oils with increased requirements for purification, product quality, and filtration.
Application area
Specialty oils, high-quality vegetable oils, and sensitive, demanding oil matrices.
Products & properties
- TONSIL® SUPREME 112 FF – high adsorption performance for more demanding refining processes
- TONSIL® SUPREME 114 FF – for increased decolorization and purification requirements
- TONSIL® 210 FF – universal base grade for different applications
- TONSIL® specialty grades – tailored to crude oil and process requirements
Benefits
- Targeted treatment of sensitive oils
- High product purity
- Adjustable adsorption performance
- Gentle and controlled process operation

PAH reduction / safety
Food & Beverage
For edible oils with increased requirements for reducing polycyclic aromatic hydrocarbons (PAHs), bleaching earths can be combined with specially tailored adsorbents.
Application area
Purification of edible oils and fats with increased requirements for reducing PAHs and other trace impurities.
Products & properties
- TONSIL® bleaching earths – for bleaching and pre-purification of the oil
- NORIT® SA4 PAH – specialty activated carbon for targeted adsorption of PAHs
- Combination of bleaching earth and activated carbon depending on crude oil and contamination level
Benefits
- Targeted PAH reduction
- Combination of decolorization and adsorption
- Support in meeting regulatory requirements
- Flexible adaptation to the respective crude oil quality

Chemical industry
Technical & industrial applications
TONSIL® bleaching earths are also used in technical applications to remove colour and secondary components and to purify oils, waxes, and other process media.
Application area
Technical oils, waxes, paraffins, and selected chemical products.
Products & properties
- TONSIL® STANDARD 310 FF – suitable for technical oils, paraffins, and waxes
- TONSIL® 210 FF – versatile grade for different purification processes
- TONSIL® specialty grades – for specific technical requirements
Benefits
- Removal of colour and secondary components
- Broad range of applications
- Good filtration properties
- Cost-effective treatment of technical products