Paraffin press. 19th-century artwork of a machine used to produced solid paraffin wax from the paraffin distillate produced from crude oil. The accomp
Paraffin press. 19th-century artwork of a machine used to produced solid paraffin wax from the paraffin distillate produced from crude oil. The accompanying article describes various chemical processes used to isolate and purify the various fractions of crude oil, with paraffin coming from one of the heaviest fractions. Here, after cooling, the residue is added at top left and compressed by turning the wheel (right). Impurities drain off, leaving the white paraffin wax, used in candles, waxed paper, and other products. Artwork from the 4th volume (second period of 1889) of the French popular science weekly 'La Science Illustree'.
Size: 4987px × 3650px
Photo credit: © Science Photo Library / Alamy / Afripics
License: Licensed
Model Released: No
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