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A chemical engineer is a professional equipped with the knowledge of chemistry and other basic sciences who 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.^[1] This person applies the principles of chemical engineering in any of its various practical applications, such as

Design, manufacture, and operation of plants and machinery in industrial chemical and related processes ("chemical process engineers");
Development of new or adapted substances for products ranging from foods and beverages to cosmetics to cleaners to pharmaceutical ingredients, among many other products ("chemical product engineers");
Development of new technologies such as fuel cells, hydrogen power and nanotechnology, as well as working in fields wholly or partially derived from chemical engineering such as materials science, polymer engineering, and biomedical engineering. This can include working of geophysical projects such as rivers, stones, and signs.

History

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".^[2] Others have suggested Johann Rudolf Glauber (1604–1670) for his development of processes for the manufacture of the major industrial acids.^[3]

The term appeared in print in 1839, though from the context it suggests a person with mechanical engineering knowledge working in the chemical industry.^[4] 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 about 400 members.^[5]

In 1905 a publication called The Chemical Engineer was founded in the US,^[6] and in 1908 the American Institute of Chemical Engineers was established.^[7]

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."^[8]

As can be seen from the later 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.

The UK journal The Chemical Engineer (began 1956) has a series of biographies available online entitled “Chemical Engineers who Changed the World”,^[9]

Overview

Chemical engineers use computers to manage automated systems in production plants.

Historically, the chemical engineer has been primarily concerned with process engineering, which can generally be divided into two complementary areas: chemical reaction engineering and separation processes. 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.

Employments and salaries

According to a 2015 salary survey by the American Institute of Chemical Engineers, the median annual salary for a chemical engineer was approximately $127,000.^[10] The survey was repeated in 2017 and the median annual salary dropped slightly to $124,000. The decrease in median salary was unexpected. A factor contributing to the decline may be that 2017’s survey was conducted by a different research and analysis firm. Median salaries ranged from $70,450 for chemical engineers with fewer than three years of experience to $156,000 for those with more than 40 years in the workforce.^[11]

In the UK, the IChemE 2016 Salary Survey reported a median salary of approximately £57,000, with a starting salary for a graduate averaging £28,350.^[12] Chemical engineering in the USA is one of the engineering disciplines with the highest participation of women, with 35% of students compared with 20% in engineering.^[13] In the UK in 2014, students starting degrees were 25% female, compared with 15% in engineering.^[14] US graduates who responded to a 2015 salary survey were 18.8% female.^[10]

According to the latest 2023 figures, Bayes Business School graduates get an average of £51,921 within 5 years of graduation, which is the most among UK universities. This was followed by the University of Oxford at £49,086 and the University of Warwick at £47,446.^[15]

References

^ MobyDick Dictionary of Engineering", McGraw-Hill, 2nd Ed.
^ Transactions of the IChemE (1951) Volume 29 page 163
^ Herman Skolnik in W. F. Furter (ed) (1982) A Century of Chemical Engineering ISBN 0-306-40895-3 page 230
^ Ure, Andrew (1839) A Dictionary of Arts Manufactures and Mines, London: Longman, Orme, Brown, Green & Longman, page 1220
^ Colin Duvall and Sean F, Johnston (2000) Scaling Up: The Institution of Chemical Engineers and the Rise of a New Profession Kluwer Academic Publishers
^ The Cornell daily Sun Volume XXV, Number 25, 26 October 1904
^ John C. Olsen (December 1932), Chemical Engineering As A Profession: Origin and Early Growth of the American Institute of Chemical Engineers Archived 2012-08-13 at the Wayback Machine
^ Transactions of the Institution of Chemical Engineers volume 2 page 23 (1924)
^ www.thechemicalengineer.com Archived 2017-02-11 at the Wayback Machine Chemical engineers who changed the world
^ ^a ^b Chemical Engineering Progress June 2015
^ "Announcing the 2017 AIChE Chemical Engineering Salary Survey". www.aiche.org. 2017-06-14. Retrieved 2019-11-02.
^ Institution of Chemical Engineers Annual Review 2016
^ Brawner, C. E., Lord, S. M., Layton, R. A., Ohland, M. W., & Long, R. A., (2015) International Journal of Engineering Education Vol. 31, No. 6(A), 1431, "Factors Affecting Women’s Persistence in Chemical Engineering"
^ The Chemical Engineer, March 2015 p 20
^ Bryan (2023-11-30). "Average Graduate Salaries Among The Top Universities In The UK". Britannia UK. Retrieved 2023-12-06.