Chemical Engineering Collection

Residfiner at an oil refinery
Oil refinery. This is the residfiner area, where crude oil products are processed to remove any impurities, such as sulphur

Cubane molecule. Computer model showing the structure of a molecule of cubane (C8H8). Atoms are represented as colour-coded spheres (carbon, grey; hydrogen)

Chemical plant storage tanks. The industrial-scale manufacture of chemicals requires specialised engineering to meet a wide range of storage requirements

Oil refinery worker
MODEL RELEASED. Oil refinery worker checking the feed pre-heater in the hydrofining area of an oil refinery. The hydrofining area is where crude oil products are processed to remove impurities such

Iron-smelting furnace, artwork
Iron-smelting furnace. Artwork of the structure of a traditional smelting furnace. This stone or brick structure is filled with iron ore and coke (fuel with a high carbon content) and ignited

Oil refinery towers. An oil refinery is where crude oil, a mixture of hydrocarbons, is refined (separated) in parts called fractions

Pipestills at an oil refinery
Oil refinery. Atmospheric pipestill (right) and a vacuum pipestill (left). These are distillation towers (stills) where hot crude oil is separated into parts called fractions

Sulphuric acid production. Schematic diagram of the Contact Process to make sulphuric acid from sulphur. Sulphur (yellow) enters a roasting tower on a conveyor belt (far left)

Nanobot illustration on black background

Conceptual image of cellulose nanorods. Cellulose consists of both crystalline and amorphous regions

Solvay Process Company factory, 1890s C014 / 0520
Solvay Process Company factory. In 1861, Belgian chemist Ernest Solvay patented a method for the production of sodium carbonate (soda) from ammonium carbonate and brine

DuPont Deepwater factory site, 1935 C018 / 0624
DuPont Deepwater factory site, aerial photograph. This view looks north-west over the Deepwater Point site, located in New Jersey, USA, on the eastern bank of the Delaware River

Gunpowder ingredients, 1940s C018 / 0681
Gunpowder ingredients. Worker displaying the raw materials used for the production of gunpowder (also known as blasting powder or black powder)

DuPont Experimental Station, 1950s C018 / 0626
DuPont Experimental Station, aerial photograph. This research site for the DuPont company is located on the banks of the Brandywine Creek in Wilmington, Delaware, USA. It was established in 1903

Sodium nitrate for gunpowder, 1940s C018 / 0680
Sodium nitrate for gunpowder. Worker using a scoop to move sodium nitrate at an industrial site for the production of gunpowder (also known as blasting powder or black powder)

DuPont Seaford factory site, 1940s C018 / 0627
DuPont Seaford factory site, aerial photograph. Located at Seaford, Delaware, USA, and established in 1939, this was the first nylon yarn factory of the DuPont Company

Lime kiln, artwork
Lime kiln. Cutaway artwork showing the internal and external structure of a traditional lime kiln. The kiln has a cone-shaped burning chamber, two air inlets at the base, and is constructed of brick

Biofuel production and use, diagram. At far left the first stage is the source material (biomass, plant or other organic material). This is added to a separation tank (centre left)

Gold stamp mill, USA, 1888
Gold stamp mill. Workers cleaning the inside of a stamp mill used to obtain gold from crushed ore. After crushing (at right), the ore was washed over mercury-coated copper sheets (at left)

Ambrose Godfrey, German chemist
Ambrose Godfrey (1660-1741), German chemist, also known as Ambrose Godfrey-Hanckwitz. Godfrey was assistant to Robert Boyle and was the first to manufacture and sell phosphorus

Pierre Samuel du Pont, US industrialist
Pierre Samuel Du Pont (1870-1954), US industrialist. Educated at the Massachusetts Institute of Technology, du Pont became the acting president of the family business, E. I

Cyanide engraving furnace, 1914 C016 / 4515
Cyanide engraving furnace. Printing worker dipping a plate in a cyanide furnace at the US Bureau of Printing and Engraving, Washington DC, USA

Vacuum pipestill at an oil refinery
Oil refinery. This is a vacuum pipestill, a distillation tower (still) where the high-boiling point part of crude oil is refined into parts (fractions) such as fuel oil and bitumen

Catalytic cracker at an oil refinery
Oil refinery. This is the catalytic cracking area. Catalytic cracking uses high temperature and a catalyst to break down (crack) heavy oil fractions into lighter, more useful oils

Hydrofiner at an oil refinery
Oil refinery. This is the hydrofining area, where crude oil products are processed to remove any impurities, such as sulphur

Furnace at an oil refinery
Oil refinery. This is the furnace where crude oil is heated to 470 degrees Celsius before it enters a distillation tower (still)

Gas compressor at an oil refinery
Oil refinery equipment. Gas compressor at an oil refinery. Gas compressors are usually used to compress a gas for transport

Oil refinery storage tank. This spherical tank is pressurized and contains liquified petroleum gas (LPG), one of the products from the refining of crude oil

Atmospheric pipestill at an oil refinery
Oil refinery. This is an atmospheric pipestill, a distillation tower (still) where hot crude oil is separated into parts called fractions

Oil refinery storage tanks at twilight. These spherical tanks are pressurized and contain liquified petroleum gas (LPG), one of the products from the refining of crude oil

Oil refining process. Schematic diagram of how oil is refined from the crude state to the finished products. The process depends on breaking down the oil in a process named catalytic cracking

Ammonia production. Schematic diagram of the Haber Process to make ammonia (NH3) from nitrogen (N2) and hydrogen (H2) gas

Sodium hydroxide production. Schematic diagram of the diaphragm cell method for the chlor-alkali electrolytic process to produce sodium hydroxide

Aluminium production
Aluminium smelting process. Schematic diagram of the production of aluminium metal from aluminium ore (bauxite). The first stage (left) is the Bayer Process to produce alumina (aluminium oxide)

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Chemical Engineering: Unleashing the Power of Molecules Residfiner at an oil refinery: Where complex hydrocarbons meet ingenious engineering, chemical engineers refine the future. Cubane molecule: Unlocking the secrets of molecular architecture, chemical engineers build a foundation for innovation. Chemical plant storage tanks: Safeguarding progress, these colossal vessels store the building blocks of countless industries. Oil refinery worker: With expertise and precision, chemical engineers orchestrate a symphony of reactions to fuel our world. Pipestills at an oil refinery: A labyrinthine network where crude oil transforms into valuable products under skilled chemical engineering hands. Nanobot illustration on black background: In the realm of miniaturization, chemical engineers pioneer nanotechnology's boundless potential. Conceptual image of a nanobot injecting a red blood cell: Merging biology and engineering, chemical engineers envision medical breakthroughs beyond imagination. Conceptual image of cellulose nanorods: Harnessing nature's strength through innovative materials design is just another day in the life of a chemical engineer. Medical nanobots in the bloodstream with red blood cells: Revolutionizing healthcare from within, these microscopic warriors hold promise for targeted treatments. Nanobots attacking a virus: Armed with precision and intelligence, chemically engineered nanobots wage war against diseases that once seemed insurmountable. Conceptual image of cellulose nanorods : From sustainable packaging to advanced electronics - cellulose-based wonders are shaping tomorrow's world thanks to visionary chemical engineers.