Company Colsen International

Colsen – Environmental engineering – www.colsen.nl - info@colsen.nl ENVIRONMENT & ENERGY

Colsen b.v. Successful in numerous projects for industrial and communal customers World class expertise in water- and waste management Continuous improving our technologies through intensive R&D Collaboration with global partners in designing/supervising/monitoring under a turn-key approach

Colsen b.v. Biogas plants for manure and organic biomass treatment Biological digestate treatment with nutrient recovery Renewable energy production from biogas Wastewater treatment technology

Wastewater treatment technology

Wastewater treatment technology Technologies;
UASB anaerobic WWT
Phosphorus removal by ANPHOS ®
Enhanced Nitrogen removal by NAS ®
Water reuse applications

UASB anaerobic WWT
Technologies;

UASB anaerobic WWT
Advantages / performance; Reduction COD > 85% Compact building Robust system Energy revenues Very low running costs Technologies;

UASB anaerobic WWT
Technologies;

UASB anaerobic WWT
Advantages / performance; Reduction COD and N Struvite (MgNH 4 PO 4 ) production; 7 kg / kg P Value Struvite € 150,- / ton Reduction running costs due to reduction; FeCl 3 , aeration requirements, sludge production Robust system Reduction P > 90 % Technologies;

UASB anaerobic WWT
Technologies;

UASB anaerobic WWT
Advantages / performance; Reduction energy requirements Reduction sludge production No need for organic carbon source Proven technology also in MBR-configuration Reduction N > 95 % Technologies;

UASB anaerobic WWT
Technologies;

UASB anaerobic WWT
Advantages / performance; Water reuse possibilities; Production various kind of water qualities
Re-use;  Reuse of water within the process
Recycling;  Reuse of water over the process
Second use;  Reuse of water outside the process
Technologies;

Biogas plants for organic biomass conversion

Treatment strategy;
Reception of organic biomass
Enhanced thermophilic digestion
Biogas desulphurisation
Energy production
Separation digestate
Nitrogen removal MBR-NAS ®
Production various water qualities

Treatment strategy;
Energy production
Advantages / performance; Thermophilic conditions Fiber circulation Retention times of 20 days compared to over 40-50 days in conventional systems Proven technology in various applications world-wide Increased conversion by: Ammonia control Enhanced mixing system

Treatment strategy;
Energy production

Treatment strategy;
Energy production
Advantages / performance; Full biological process no chemicals addition Significant reduction maintenance- and lifetime of CHP-units No sludge/waste production Production of ‘light’ H 2 SO 4 discharge for possible reuse Conversion H 2 S > 95 % Operational costs < € 2.000/y

Treatment strategy;
Energy production

Treatment strategy;
Energy production
Solid fraction  organic fertiliser 60% organic matter 5 – 10% P-total 11 – 23% P 2 O 5 3 – 5% N-total

Treatment strategy;
Energy production
Liquid fraction  for treatment < 20.000 ppm COD 20% of the initial P 85% of the initial N Small solid content

Treatment strategy;
Energy production

Treatment strategy;
Energy production
Advantages / performance; Reduction COD < 2.000 ppm Reduction sludge production No need for organic carbon source Proven technology also in MBR-configuration Reduction N < 500 ppm

Treatment strategy;
Energy production
Production of water depending on (local) requirements; Irrigation water with significant N and P content Water for discharge on sewer system Water for discharge on surface water Water for reuse in process operations

Project view Colsen world-wide Overview of various projects within the industrial, communal and agricultural sector

Project view Colsen world-wide

Colsen – Environmental engineering – www.colsen.nl - info@colsen.nl ENVIRONMENT & ENERGY Your partner in sustainable waste- and wastewater treatment

Kreekzoom 5 4561 GX Hulst  +31(0)114 311548  +31(0)114 316011  [email_address]  www.colsen.nl

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Company Colsen International

by Brekelmans on May 12, 2010

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