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In the field of engineering, a chemical engineer is the profession in which one works principally in the chemical industry to convert basic raw materials into a variety of products, and deals with the design and operation of plants and equipment to perform such work. In general, a chemical engineer is one who applies and uses principles of chemical engineering in any of various practical applications; primarily with respect to the study of the design, manufacture, and operation of plant and machinery in industrial chemical and related processes. A number of famous or historical chemical engineers can be found in the list of chemical engineers.
Additional recommended knowledge
The term appeared in print in 1839, though from the context it suggests a person with mechanical engineering knowledge working in the chemical industry. In 1880, George E. Davis wrote in a letter to Chemical News 'A Chemical Engineer is a person who possesses chemical and mechanical knowledge, and who applies that knowledge to the utilisation, on a manufacturing scale, of chemical action.' He proposed the name Society of Chemical Engineers, for what was in fact constituted as the Society of Chemical Industry. At the first General Meeting of the Society in 1882, some 15 of the 300 members described themselves as chemical engineers, but the Society's formation of a Chemical Engineering Group in 1918 attracted 400 members. 
In 1924 the Institution of Chemical Engineers adopted the following definition 'A chemical engineer is a professional man experienced in the design, construction and operation of plant and works in which matter undergoes a change of state and composition.' (The first female member joined in 1942.)
As can be seen from the latter definition, the occupation is not limited to the chemical industry, but more generally the process industries, or other situations in which complex physical and/or chemical processes are to be managed.
In 1951 the President of the Institution of Chemical Engineers said in his Presidential Address "I believe most of us would be willing to regard Edward Charles Howard (1774-1816) as the first chemical engineer of any eminence". Others have suggested Johann Rudolf Glauber (1604-1670) for his development of processes for the manufacture of the major industrial acids.
Historically, the chemical engineer has been primarily concerned with process engineering. The modern discipline of chemical engineering, however, encompasses much more than just process engineering. Chemical engineers are now engaged in the development and production of a diverse range of products, as well as in commodity and specialty chemicals. These products include high performance materials needed for aerospace, automotive, biomedical, electronic, environmental and military applications. Examples include ultra-strong fibers, fabrics, adhesives and composites for vehicles, bio-compatible materials for implants and prosthetics, gels for medical applications, pharmaceuticals, and films with special dielectric, optical or spectroscopic properties for opto-electronic devices. Additionally, chemical engineering is often intertwined with biology and biomedical engineering. Many chemical engineers work on biological projects such as understanding biopolymers (proteins) and mapping the human genome.
Employment and Salaries
In the United States of America, the Department of Labor estimated in 2006 the number of chemical engineers to be 29,060. The average hourly wage for a chemical engineer was $39.23 per hour, but ranged from $24.07 to $57.05 per hour. The median annual salary for a chemical engineer was $78,860, with the middle 80 percent of chemical engineers making between $50,060 and $118,670 annually. Chemical engineering has been cited as the highest-paying degree for first employment of college graduates. Subsequently, a high-end salary grade is common to this profession in the USA.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Chemical_engineer". A list of authors is available in Wikipedia.|