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The use of Leca (light expanded clay aggregates) for the removal of phosphorus from wastewater

, : The use of Leca (light expanded clay aggregates) for the removal of phosphorus from wastewater. Water Science and Technology 35(5): 87-93

Several attempts have been made to improve the reduction of phosphorus in waste water by the use of constructed wetlands. One way of improving the phosphorus reduction capacity is to use efficient filter materials in the wetland. LecaReg. (Light Expanded Clay Aggregates) has been tested in Norway, where laboratory and field investigations gave promising results. To further study the chemical removal mechanism of Leca, an experiment utilising five columns was performed.


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