Strategy proposed for EC's growing sewage sludge mountain

Tighter controls on industrial discharges to sewer should form one of the key planks of a strategy to deal with a sharp growth in sewage sludge generation across the EC over the next ten years, a study for the European Commission has recommended.1 The goal should be to protect and expand sludge recycling on agricultural land as environmental constraints bite on other disposal outlets.

The study was carried out by the British water consultancy WRc and SEDE, a French sludge disposal contractor. Its goals were to predict changes in sewage sludge production and treatment in the Member States and evaluate changes in sludge management methods in the light of national and EC environmental rules governing the main outlets, before recommending a possible EC strategy.

The most important factor behind the study was the 1991 EC Di

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