Definition: Chem. Engin' is a branch of engineering that deals with processes, systems and products involving chemical, physical and mechanical changes, or the development of new substances. It includes all branches within this field such as chemical engineering, materials science, solid-state physics, fluid mechanics, heat transfer, process control, energy conversion, sustainable chemistry, biotechnology and nanotechnology. Chemical engineers are primarily concerned with creating efficient, safe and environmentally friendly methods to produce chemicals from natural or synthetic sources. Chemical engineering is a branch of engineering that deals specifically with the design, construction and operation of chemical processes such as chemical plants, chemical storage facilities, chemical recycling, chemical industry, and industrial process control systems. It also involves the development of new chemical products and their production and marketing. Chemical engineers are employed in research, development, manufacture, quality assurance and maintenance of chemical plants. Process engineering is a broader field that deals with the design, operation, optimization and evaluation of chemical processes. Process engineers work on both large-scale industrial systems and small-scale commercial applications. They are responsible for designing, monitoring and optimizing various processes such as the production of chemicals, refining oil and gas, manufacturing pharmaceuticals and other products. Sustainable chemistry involves developing new chemical processes that reduce environmental impacts or improve sustainability in existing ones. It includes methods to improve the efficiency of chemical processes, develop sustainable materials, and implement pollution control technologies. Biotechnology is a branch of engineering that deals with the application of biological systems as components in production of new chemicals, pharmaceuticals and other biologics. It involves the synthesis of synthetic molecules by using biological cells or organisms to produce new chemicals and proteins. Nanotechnology is a field of engineering and material science focused on materials whose properties are so tiny they can only be observed with very low magnification. Nanoparticles are typically in the range from 1-100 nanometers, and they have broad applications in fields such as medicine, biophysics, and materials science. Chemical engineers often work within a team that includes other engineering disciplines such as mechanical, electrical, computer software, automation, and civil engineering. They use their specialized knowledge to develop new chemical processes or improve existing ones, as well as design industrial equipment or systems, manage production facilities, and monitor the performance of chemical plants.
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