"How does the process of distillation contribute to the separation of components in chemical engineering? Explain the concept of fractional distillation and its application in separating liquid mixtures. What are the fundamental principles behind chemical reactions in reactors, and how do engineers optimize reaction conditions for maximum efficiency? Describe the role of catalysts in chemical reactions and their importance in industrial processes. How do engineers design and control unit operations such as filtration and crystallization to achieve desired outcomes in chemical processes?"