Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Mond Process, sometimes known as the Carbonyl Process is a technique created by Ludwig Mond in 1890 to extract and purify nickel the process was used commercially before the end of the 19th century. It is done by converting nickel oxides (nickel combined with oxygen) into pure nickel. This process makes use of the fact that carbon monoxide complexes with nickel readily and reversibly to give nickel carbonyl. No other element forms a carbonyl compound under the mild conditions used in the process. Nickel oxide is reacted with Syngas at 200 °C to remove oxygen, leaving impure nickel. Impurities include iron and cobalt. The decomposition may be engineered to produce powder, but more commonly an existing substrate is coated with nickel. For example, nickel pellets are made by dropping small, hot pellets through the carbonyl gas; this deposits a layer of nickel onto the pellets. This process has also been used for plating nickel onto other metals, where a complex shape or sharp corners made good results difficult by electroplating.

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