Rather than just supplying a product, Waterleau brings a solution to the problem the client is facing. Waterleau does this by integrating, combining, optimizing, ... of existing competences and technological means. In addition, continuous feedback from projects leads to innovations and improved performance. Waterleau thus integrates all disciplines, in contrast to research institutes, consultants, contractors or operators.

Comprehensive, multi-disciplinary service eliminates the split of responsibilities, making Waterleau a one-stop-shop solution provider. A standardized and open project management process ensures that projects deliver the agreed-upon solution on time and within budget.

An A-to-Z approach ensures the best price/quality result in line with the agreed schedule, specifications and standards, quality, safety and budget.

Technologies Mechanical treatment: screening, degritting, sedimentation, oil & fat removal,... Physico-chemical treatment: precipitation, coagulation, flocculation, flotation, electro flotation, ad- and absorption Anaerobic treatment: upflow sludge blanket, fluidized bed reactor, attached-growth reactor, two-stage Aerobic treatment: plug flow, selector, fill-and-draw, two-stage, membrane-bio-reactor Biological nutrient removal: nitrification-denitrification, phosphorus removal, redox control Biosolids treatment: conditioning, stabilization (aerobic or anaerobic), dewatering (belt filter, (membrane) filter press, decanter-centrifuges, drying & incineration, upgrading (energy source, compost,..) Aerobic & anaerobic composting Biofilters, bioscrubbers and biotrickling filters Ion exchange, demineralization, softening, deferrisation, manganese removal, (dis)continuous sand filtration, activated carbon filtration Chemical oxidation (chlorine, peroxides, ozone,..) Disinfection (chlorination, UV sterilization, ozonation,?...) Membrane technology (micro-, ultra-, nanofiltration) for pure and ultra-pure water Desalination through membranes (reverse osmosis) Thermal waste treatment, incineration, energy recovery, ... Thermal oxidisers Flue gas cleaning, chemical scrubbers, deNOx, dediox, ...

Services Research & development Audits & consultancy Pilot testing & demonstration tests Feasibility studies Technology selection Process design Mechanical design Electricity & Instrumentation design Basic engineering Detailed engineering Procurement Equipment supply Site supervision General contracting Construction, erection Electricity, instrumentation & controls Start-up & commissioning Training Operation & maintenance Project development Financing BO(O)T projects

"Closing-the-cycle" approach

Sustainable development calls for a respectful and efficient use of the scarce natural resources. Indeed, the natural resources, although seemingly abundant, are not limitless. That is why it is necessary to re-use and recycle as much as possible the residual products of human activity.

Waterleau supplies technologies that help treat these residues into clean products that can be given back to nature.

From nature, water, fuel and other raw materials are use by mankind to produce objects, food, ... This human activity results in polluted water, air, waste, ... that has to be treated. The cleaned materials are given back to nature or are directly re-used, thus closing the product cycle. In this process sometimes energy is produced and this reduces the need for primary fuels.

Schematic diagram showing where in the product life cycle Waterleau's technologies are of major use.