Donau Carbon GmbH

What Donau Carbon GmbH does

Donau Carbon GmbH is a Frankfurt am Main-based, privately held manufacturer of activated carbon products and provider of related reactivation and filtration services, operating as a wholly-owned subsidiary of the Austrian Donau Chemie AG group. The company traces its heritage to Europe's first activated carbon plant, established in 1915 under Metallgesellschaft AG, and operates today across six countries (Germany, Austria, France, USA, Philippines, and India) with five production platforms and three reactivation plants in Germany and Austria. Its core product portfolio spans powdered, granular, and extruded activated carbon grades manufactured from coal, lignite, coconut shell, and wood, marketed under brand families including SUPERSORBON/OXORBON/DESOREX (air and gas treatment), HYDRAFFIN (water treatment), WATERCARB (municipal drinking water), CARBOPAL/EPIBON (food and beverage purification), Alcarbon, and Kombisorb.

The company monetizes through a diversified revenue model combining one-time sales of fresh activated carbon, recurring filter rental and sale services (mobile and stationary adsorbers), managed reactivation services offered in three commercial models (reactivation for resale, dedicated batch-wise reactivation, and pool reactivation), and professional application technology services including laboratory testing, sizing, and on-site mobile filter trials. Reactivation is conducted in rotary kilns at temperatures exceeding 1,000°C with downstream combustion at 1,200°C, restoring adsorption capacity and supporting a circular-economy positioning. The Philippines facility produces coconut shell-based activated carbon with 19,000 MT/year capacity, claimed to carry 5x lower CO2 emissions than hard-coal-based alternatives.

Customers are weighted toward B2B industrial and municipal accounts across water treatment, air and gas purification, food and beverage processing, energy (natural gas and biogas), and industrial manufacturing. GTM is enterprise-led through regional sales offices in Germany, France, and USA, supplemented by application-engineering support, an active trade-fair presence (IFAT, FILTECH, Pollutec, ACHEMA), and a content-marketing program via the corporate blog and LinkedIn. The business carries ISO 9001, ISO 50001, ISO 14001, NSF/ANSI 61, EN DIN 12915/12903 drinking water, FCC, European Pharmacopoeia, Kosher, Halal, and EU Food Contact certifications, which are central to its position in regulated tenders. No revenue, headcount, or funding data is publicly disclosed.

Name

Donau Carbon GmbH

Legal name

Donau Carbon GmbH

Website

https://donau-carbon.com

Company type

Private

Founded year

1915

Operating status

Operating

Headcount range

11–50 employees

Short description

Donau Carbon GmbH is a privately held, Frankfurt-based manufacturer of powdered, granular, and extruded activated carbon, offering reactivation services and filter rental/sale across water, air/gas, food and beverage, and industrial markets in six countries.

Ownership category

akta.pro rank

Product category

Activated Carbon and Adsorption Products

NAICS

Carbon and Graphite Product Manufacturing (335991)

SIC

Abrasive, Asbestos & Misc Nonmetallic Mineral Prods (3290)

akta.pro primary industry

Activated Carbon & Carbon Adsorbents (IMAEAIAF)

akta.pro secondary industries

Water Treatment Adsorbents (GAC/PAC/Media) (IMAEAIAK), Bio-based Carbon Products & Advanced Bioproducts (Biochar, activated carbon, carbon black alternatives) (EUAAAIAM)

Keywords

• Activated carbon
• Carbon reactivation
• Water treatment chemicals
• Air gas purification
• Industrial adsorption filters

Headquarters

HQ city

Frankfurt, Hessen

HQ country

Germany

HQ region

Europe

Offices6 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. Activated Carbon Products: Sale of fresh activated carbon products including powdered, granular, and extruded grades manufactured from various raw materials (coal, lignite, coconut shell, wood). Products sold under brand names SUPERSORBON, OXORBON, DESOREX, HYDRAFFIN, CARBOPAL, EPIBON, Alcarbon.
2. Filter Rental and Sale: Rental and sale of adsorbers (mobile or stationary) for gas/air purification and liquid/water purification. Standard adsorbers from rental pool delivered within days. Custom-designed vessels to customer specifications.
3. Reactivation Services: Three service models: (1) Reactivation for resale - deliver spent carbon, receive fresh carbon; (2) Batch-wise dedicated reactivation - customer's material reactivated separately with process-related loss replaced; (3) Pool reactivation - matching specifications reactivated together.
4. Application Technology Services: Technical application support including product developments, laboratory tests, sizing with customer-specific operating parameters, mobile filters for on-site testing, service life estimations.

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels4 records

Core offering

Donau Carbon manufactures and sells a complete spectrum of powdered, granular, and extruded activated carbon grades produced from coal, lignite, coconut shell, and wood, marketed under brand lines such as SUPERSORBON, OXORBON, DESOREX, HYDRAFFIN, CARBOPAL, EPIBON, Alcarbon, Kombisorb, and WATERCARB. The company complements these products with thermal reactivation services at three own rotary kiln plants in Germany and Austria, mobile and stationary adsorber rental and sale (including the SMARTSORB line), and technical application support covering laboratory testing, adsorption isotherms, dimensioning, and on-site mobile filter trials.

Product overview

Donau Carbon GmbH offers a comprehensive portfolio of activated carbon products and filter solutions with over 110 years of experience. The core offering includes powdered, granular, and extruded activated carbon grades under multiple product lines: SUPERSORBON®/OXORBON®/DESOREX® for air and gas treatment, HYDRAFFIN® for water treatment, CARBOPAL®/EPIBON® for food applications, WATERCARB for municipal drinking water, Alcarbon® for gas purification, and Kombisorb® for specialized flue gas treatment. These products are complemented by three reactivation plants in Germany and Austria for sustainable spent carbon recovery, a filter service offering adsorber rental and sale including the SMARTSORB AT180V, and comprehensive application technology support including laboratory testing and mobile filter trials. The company operates globally with manufacturing in Germany, Austria, Philippines, USA, and India.

Differentiator

Problem solved

Functional benefit

Brands

• WATERCARB: Powdered activated carbon products for municipal drinking water treatment, including removal of MIB, Geosmin, cyanobacteria, and TOC.
• HYDRAFFIN
• SUPERSORBON
• OXORBON
• DESOREX
• CARBOPAL
• EPIBON
• SMARTSORB
• Kombisorb

Products and services

• Activated Carbon Complete spectrum of powdered, granular, and extruded activated carbon grades manufactured from coal, lignite, coconut shell, and wood raw materials, covering applications in water treatment, air and gas purification, food processing, and industrial processes.
• SUPERSORBON / OXORBON / DESOREX (Air and Gas Treatment) Activated carbon product lines for exhaust air, exhaust gases, biogas, natural gas, industrial gases, solvent recovery, flue gas treatment, and tank breathing applications, available in extruded and granular grades for fixed bed adsorbers and powdered qualities for injection.

Quantifiable outcome

• Reactivation restores original adsorption capacity, saving resources and reducing costs compared to disposal
• +4 more outcomes

Named customers1 record

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Scale indicators6 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Haycarb PLC: Sri Lankan activated carbon manufacturer specializing in coconut shell-based grades, competing directly with Donau Carbon's Philippines and India operations. Comparable in product portfolio with focus on water, air, and industrial applications.
• Calgon Carbon (Kuraray): Major activated carbon producer owned by Kuraray, offering granular and powdered activated carbon for water treatment, air purification, and industrial applications. Directly comparable to Donau Carbon in product portfolio, customer verticals, and reactivation services.
• Jacobi Carbons: Specialty activated carbon manufacturer offering products for water, air, and industrial process applications. Directly competes with Donau Carbon in municipal water and industrial gas treatment with similar reactivation service offerings.
• Desotec: European activated carbon specialist with strong reactivation capabilities serving air, gas, and water treatment markets. Direct competitor to Donau Carbon with similar business model combining fresh carbon sales with reactivation and mobile filter services.
• Osaka Gas Chemicals (Aquadvice): Japanese activated carbon producer with global presence, offering products for water treatment, air purification, and industrial applications. Comparable to Donau Carbon in product breadth and technical application support.

Broad incumbents

• Cabot Corporation: Global specialty chemicals and performance materials company owning the Norit activated carbon brand, one of the largest activated carbon producers worldwide. Directly competes with Donau Carbon across air/gas, water, and food applications at greater scale.
• Kureha Corporation: Japanese chemical manufacturer with carbon products division producing activated carbon and specialty carbon materials. Overlaps with Donau Carbon in food-grade and pharmaceutical-grade activated carbon markets.
• Ingevity (Performance Materials): Specialty chemicals company producing activated carbon for automotive, air purification, and industrial applications. Competes with Donau Carbon in air and gas treatment segments with broader materials portfolio.

Others

• Westrock (now Smurfit Westrock) - Carbon Solutions: Pulp and paper company historically producing wood-based activated carbon. Adjacent to Donau Carbon in wood-based feedstock activated carbon production, though primarily serving different downstream markets.

Emerging players

• Carbon Resources LLC: Activated carbon manufacturer focused on water and air treatment applications, particularly municipal and industrial water markets. Comparable product portfolio to Donau Carbon's HYDRAFFIN and WATERCARB lines.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/donau-carbon-gmbh

Compliance15 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Donau Carbon GmbH