Towards cleaner technologies minimising the environmental impact

This editorial introduces and provides an overview of a special issue dedicated to the ninth conference on Process integration, modelling and optimisation for energy saving and pollution reduction—PRES 2006. It contains ten selected papers covering various fields of Clean Technologies and Environmental Policy, namely, catalytic and thermal cracking with natural zeolite catalyst, recovery and reutilisation of copper from sludge, aerosols monitoring by satellite observations, utilisation of high throughput technologies, CFD modelling solid biomass combustion, fluorides removal and recovery for resources saving, siloxane removal from biogas by bio filtration, software tools for water reuse evaluation, pollutants emission abatement and integrated pollution prevention and control in the surface treatment industries.