Sustainability concepts: Cleaner production; Industrial ecology; Circular economy. Strategies for Sustainability: Process synthesis by hierarchical approach; Waste minimization in reactors and separation processes; Energy conservation; Materials recycling; Waste minimization; Case studies. 81 Evaluation: Life cycle assessment; Case studies; Assessment of cost and societal impacts; Sustainability assessment through integration of economic, environmental, and social performances; Case studies. Implementation: Planning for sustainable process industries; Design and development; Operations management of process plants.