WaCo Wassertechnik Consult is an engineering firm for energy efficiency, water purification, recycling, waste water treatment and minimisation technologies. Cost-benefit analysis, feasibility studies, process modelling, preliminary design, final design, process and system evaluation for industrial waste water treatment and water plants. UV- and Diamond-Electrode-Reactor are used to oxidize eg active agents and herbicides. References: Bayer Crop Science, Basf, BP, DOW, Evonik, Sanofi-Aventis, Procter & Gamble, Czewo Full Filling.