Efficient solutions for cost-effective sludge disposal and utilisation
Sludge is produced during municipal and industrial wastewater treatment, and many industrial processes also generate sludge. This sludge can either be recycled or must be disposed of.
The higher the requirements for wastewater treatment, the more sludge is produced. Primary treatment separates solids contained in the raw sewage – the primary sludge. Secondary sludge (excess sludge) is the separated biomass from the biological treatment stage. Tertiary sludge is generated by additional advanced chemical/physical treatment.
The existing and future challenge in sludge treatment is to process the generated sludge with further process steps as cost-effectively and energy-efficiently as possible to such an extent that safe disposal or even economic use is possible. The objectives of sustainable environmental management have to be reconciled with economic aspects and practical solutions for the operator on site.
HUBER has the right machines and plant technology for tailor-made solutions for all stages of sludge treatment:
Mechanical sludge treatment: removal of coarse material and other solids, and thickening and dewatering of sludge to reduce volume.
Sludge drying: thermal processes for partial or complete drying of sludge as a prerequisite for safe and economic sludge disposal or recovery.
