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Contact
Kreekzoom 3
4561 GX Hulst
The Netherlands
info@colsen.nl
+31(0)114311548

    Water treatment, Biogas installations

    Sludge to energy

    Water treatment, Manure treatment

    N-recovery

    Water treatment

    Nitrogen removal
    P-recovery with struvite
    Anaerobic water treatment

    Biogas installations

    Biogas desulphurisation

    Manure treatment

    Digestate treatment

    Biogas installations, Manure treatment

    Chicken manure treatment
    Manure treatment

    Certificates

     

    This page shows our latest certificates. Click on the relevant certificate to show full document.

     

    General certificates and standards

    NEN-EN-ISO 9001:2015 System certificate

    VCA** System certificate

     

     

    ISO 2015
    VCA logo wit

    Colsen is an innovative family owned company. We have been working on innovative solutions in the field of water, energy and the environment for 30 years.

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    Kreekzoom 3
    4561 GX Hulst
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    info@colsen.nl
    +31(0)114311548
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