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Helsinki, Finland -- A well executed water conditioning stage to minimize sludge volumes paves the way for a successful dewatering. Handling sludge in a sustainable manner reduces volumes, decreases costs and makes the sludge odourless and hygienised. Kemira Water knows how to help the customers to manage this with the support of the patented solution Kemira KemiCond®.
The sludge challenge: The costs for sludge treatment – in terms of manpower, equipment and energy – accounts for about 50% of the overall cost of wastewater treatment. Moreover, most end users require that the sludge is transported to another destination. Therefore, it’s of great importance to increase the dry substance (DS), thereby reducing volumes and, in turn, cutting transportation and disposal costs.
The environmental debate puts wastewater plant operations under pressure to handle the sludge in a sustainable manner – and naturally according to current laws and regulations. The need for sustainable treatment technologies and careful managing of our most valuable asset – water – is greater now than ever.
The treated sludge can be used in different ways – for agriculture, landfill, production of soil products and for incineration.
The answer to the sludge challenge: The basic idea of Kemira KemiCond® is to improve dewatering by breaking down the water retaining structures that are formed in sludge. The solution is a fully automated continuous process, ensuring smooth operation and minimum “workload” requirement. KemiCond® also decreases the customers’ operational costs through minimizing the sludge volumes.
In partnership with the customer Kemira Water takes full responsibility for process design, assists in equipment installation, performs operator training and carries out maintenance services and cares for the supply of conditioning chemicals. For the mechanical dewatering stage Kemira Water has assured that KemiCond® is fully compatible with all types of dewatering equipment.
The KemiCond® standard unit is supplied in a 40-foot container – or alternatively as a skid-mounted unit – containing a control cabinet, reactors, dosing pumps, etc. The KemiCond® standard unit is available in capacities up to 12000 ton DS per year. For higher capacities plant specific designs can be made.
When the KemiCond® solution is up-and-running an optimization programme and performance follow-up is done on a regular basis. The sludge is hygienised and the volume reduced with the KemiCond® solution. Increased dry substance (DS) reduces volume and cuts transportation and disposal costs.
For more information contact:
Mr Hakan Wiktorsson
Kemira
Telephone: +46 42 17 18 40
Email: hakan.wiktorsson@kemira.com
Web site: http://www.kemira.com/
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