· wastewater treatment
· domestic sewage
· industrial effluents
· landfill leachate
· water reclamation
· drinking and process water treatment
· sludge treatment
· digestion
· dewatering
· drying
· thermal utilisation
· environmental technologies
· flue gas purification
· emission evaluation
· process engineering
· mass and energy balances
· membrane technologies for water and wastewater
treatment