This editorial introduces and provides an overview of this Special Issue dedicated to papers from the 7th conference Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction - PRES 2004. It contains 10 selected papers. The first three papers address important features of cleaner production — renewable resources, CO_2 emissions and Life Cycle Assessment. The second group of papers addresses cleaner production approaches to batch processed. The third set of papers studies reduction of emissions from industrial production including SO_x and NO_x. The last paper focuses upon minimisation of wastewater from industrial production.
展开▼