Design of resilient processing plants—I Process design under consideration of dynamic aspects

Abstract

Rising costs of natural resources have forced designers to seek more efficient processing schemes, but practical applications have been limited because of operational difficulties. A design approach is proposed which considers economic and dynamic aspects simultaneously. Optimisation of dynamic behaviour is achieved by a bounding technique based on Lagrangian theory taking advantage of the typical modular structure of processing installations. The theoretical derivation of the new approach is followed by a case study of heat-integrated distillation columns, whose results demonstrate the utility of the method.