Chemical engineering is a branch of engineering that applies principles of chemistry, physics, and mathematics to design and operate processes that transform raw materials into valuable products. Chemical engineers are involved in various industries, such as pharmaceuticals, food and beverage, oil and gas, and environmental engineering. They are responsible for developing processes to produce goods such as plastics, fuels, chemicals, and pharmaceuticals in a safe and efficient manner. Chemical engineers also work to optimize processes, improve product quality, reduce production costs, and minimize environmental impact. Key areas of focus in chemical engineering include reaction engineering, process design and optimization, separation processes, and process control. Overall, chemical engineering plays a crucial role in driving innovation and advancements in various industries by applying scientific principles to solve complex problems and improve the efficiency of production processes.