Case Studies from the Field

Case studies from various industries and applications present first-hand experiences from the field. Discover challenges our customers used to deal with before choosing our solutions and learn how their processes have improved afterwards.

Case Studies

Case studyReduced Costs in Wastewater Treatment Process

  • Annual savings -25 % from wastewater costs
  • Grease and solids no longer block the sewers
  • Sludge is used for biogas production


Hätälä, Finland’s leading fish producer, fish processing wastewater treatment
High wastewater costs (€/m³)
Water and sludge treatment with remote monitoring, separation of solids, repurposing solids and fatty sludge
Less waste, reduced load to municipal WWTP, 25 % savings in wastewater costs, preventive maintenance


Case studyAeration Turned Smart

  • No more odour problem caused by low oxygen level
  • Freezing problem eliminated
  • Remote monitoring saves operators’ working hours
  • Improved discharged water quality
EKJH Waste Management Company
Disturbing odour and freezing of the equalization basin in winter
Five 1,5 kW Roxia Floating Aerators
Reduced bad odour, freezing problem eliminated
Water aeration in the equalization basin


Case studyPlasma oxidation effectively removes ethoxylates from wastewaters

  • No more traces of phenolic ethoxylates in the waters
  • No longer need to transport the challenging wastewaters a long way
Wallac Oy
Chemical content disable wastewater discharge to sewer
Roxia Plasma OxidizerTM
Harmful chemical residues destroyed, water within emission limits
Destruction of ethoxylated phenols from wastewater



Article Aeration helped to cut groundwater CO2 levels almost in half

Article Roxia treats difficult leachate and reject waters in Lappeenranta

Article Industrial Wastewater Treatment Flexible Solutions

Article Plasma Oxidizer Water Treatment Technology

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Goran Metiljevic

Product Manager, Powerflo Solutions

+61 2 8005 2131

Kauko Tanninen

President Central Asia

+7 708 102 24 66

Sergey Petukhov

Technical Director Central Asia

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Retha Schoeman

Sales Engineer Sub Saharan Africa and South Africa

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Sales Director North America

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Regional Sales Director South and Central America


Ronald Gaspar

Area Sales Manager South and Central America

+51 9 7973 5424

Sun Lin

Area Sales Manager, General Manager China

+86 21 52679628

Roope Kupias

Customer Support Manager, Finland

+358 40 860 4720

Jesse Saira

Sales Director, Nordic & Baltics

+358 44 276 2338

Dirk Otto

Sales Director Central Europe

+49 (0) 2102 420 707

Thorsten Zogalla

Area Sales Manager SFP Filters, Central Europe

+49 7307 92170 116

Klaus Göde

Service Engineer Central Europe

+49 (0) 162 408 88 58

Kimmo Angeria

Head of Field Services, Industrial Automation

+358 400 104 977

Ian Mayhew

Filter Spares Sales and Service Manager North America

+1 667 668 0006

Markus Saloniemi

Director, Industrial Automation

+358 40 571 9520