How is dihydrogen manufactured by Lane's process?
Lane's process consists of two stages:
(i) Oxidation stage: Super -heated steam is passed over iron filings, at 1023-1073 K when dihydrogen is formed.
(ii) Reduction stage: Iron is regenerated by reducing magnetic oxide with water gas (CO + H2). This reaction is called vivification.
Thus, by passing steam and water gas alternatively over iron, dihydrogen gas can be manufactured from a small quantity of iron.