We bring the water into shape

Afridana A/S

93 års erfaring

AFRIDANA A/S was founded in 1933 as a Danish importer/exporter of products to and from Africa.

The country's leading supplier

The country's leading supplier of polymers, precipitation chemicals and dosing systems.

Qualified technical support

We are a trading company that offers goods for which we can also provide qualified technical support.

​Products for water

and wastewater treatment

Afridana and Nerolan Wassertechnik GmbH have collaborated since 1990 on the production and marketing of products and facilities for water treatment.

With our extensive product range, we are a competent partner for our customers within public and industrial waste water treatment, the paper industry and drinking water supply.

Many years of experience

with flocculants

​Our many years of experience with flocculants, precipitation chemicals and defoamers enable us to find the optimal solutions for our customers' specific requirements. 

We also offer dissolution and dosing systems as well as technical assistance for optimizing the flocculation and precipitation process.

Our wide stock range and our own distribution department enable us to keep delivery times down. In addition to the excellent product quality, our strong point is problem solving and technical customer service.

The professional advice

is particularly important to us

We see ourselves as a service-oriented company and our highly qualified staff offer customers continuous technical advice.

Further development and optimisation of existing products, as well as the development of new products, take place at our collaboration partners, SNF and VTA.

Our application technology laboratory is able to address all issues in relation to use of water treatment products and prepare customer-specific solutions.

Waste water and sludge treatment
Concentration and dewatering of sludge from public and industrial sewage treatment plants.
Paper industry
Cleaning of waste water from filtration and production, retention agents.
Sugar industry
Cleaning of wash water and raw juice.i
Purification of drinking water (Surface/Groundwater)
Precipitation, clarification, concentration and dewatering.
Processing of sand, gravel and shards
Precipitation and dewatering of washing and waste water
Water purification in the metal industry
Clarification of waste water from steel production, rolling mills and galvanic industry.
Chemical industry
Clarification of oily waste water, dewatering of sludge, precipitation and clarification of lye and brine.
Wet cleaning of mineral raw materials
Concentration and dewatering before and after flotation.

Products for waste water treatment​

 

Mechanical dewatering of rotted sludge and aerobically stabilized sludge / biosludge with centrifuges, sieve belt presses and chamber filter presses.

Cationic flocculant based on polyacrylamide in the form of granules or
emulsion.

Floating sludge and phosphate precipitation.

Aluminium-containing coagulant such as polyaluminium chloride and combination-
products with enhanced flocculation.

Mechanical sludge concentration of excess sludge with a drum sieve or sieve belt.

Cationic flocculant based on polyacrylamide in the form of granules or
emulsion.

Static sludge concentration of rotted sludge and excess sludge.

Flocculant based on cationic
polyamine and polymer on a DADMAC basis.

Hydraulic optimization of post-clarification.

Cationic flocculant based on polyacrylamide.

Foam control

Foam control

Odor binder

Lugtbinder på basis af appelsinterpener

Prevention of coatings and dispersion

Polyacids on an organic and inorganic basis

Cleaning of dirty surfaces

Alkaline and acidic cleaning agents and cold cleaning agents

Elimination of filamentous bacteria and floating sludge

Microflocculation products