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Electrolytic Iron: Brown Ferrous Electrolyte, Rotating Cathode at 75-77 °C, Graphite Anodes (Bouchayer, US 1,516,326)
Iron plated out of a fresh green ferrous bath comes off rough and useless. Bouchayer first stirred the bath in air until it turned bright brown; the iron oxychloride formed takes care of the hydrogen at the cathode, and the deposit grows even and compact at high current.
Result: electrolytic iron, deposited at about 98 % current yield.
Source: Bouchayer, US 1,516,326 (1924). Not given: cathode material, purity of the iron. Picture drawn by Youblob.
Lanjutan
Factory process
Arahan
1
1
Make up the electrolyte at 20 °Bé
Make up the electrolyte at 20 °Bé
Dissolve ferrous sulfate in water (Bouchayer also allows ferrous chloride or a mix). Concentration: e.g. 20 °Bé, then keep it constant.
Bahan untuk langkah ini:
Ferum sulfat1 as requiredAlatan diperlukan:
Air
Hidrometer
Tangki elektrolisis2
2
Stir it in air until brown
Stir it in air until brown
Agitate the green bath in air, e.g. by turning the anode, until it is bright brown and stops foaming. Used green, it gives only an irregular deposit.
Alatan diperlukan:
Tangki elektrolisis3
3
Circulate it through iron filings
Circulate it through iron filings
Pump the electrolyte through a mass of iron filings in a separate vessel; it takes back iron and forms the ferric hydroxide that keeps the bath working. Keep it moving fast past the anodes: this lowers the phosphorus.
Bahan untuk langkah ini:
Serbuk kikir besi1 as requiredAlatan diperlukan:
Pam air4
4
Deposit on a rotating cathode
Deposit on a rotating cathode
Electrolyse between graphite anodes and a rotating cathode. Temperature: e.g. 75-77 °C at 1000 A/m², held exactly constant and below boiling; cathode speed: e.g. 120 m/min at 800 A/m². Cathode material: not given.
Alatan diperlukan:
Elektrod grafit
Unit kuasa arus terus
TermometerTangki elektrolisis5
5
Strip and reheat the deposit
Strip and reheat the deposit
Take the compact iron deposit off the cathode; it is usable after a slight reheating (temperature not given).
Alatan diperlukan:
Tangki elektrolisisBahan
2- 1 as requiredPemegang Tempat
- 1 as requiredPemegang Tempat
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