Silent Electric Discharge in H2-CO Mixtures Conditions for the Selective Formation of HCHO
1984 Volume 1984 Issue 10 Pages 1595-1599
Details
1984 Volume 1984 Issue 10 Pages 1595-1599
Conditions suitable for the selective formation of HCHO in the reaction induced by the silent discharge in H2-CO mixtures have been studied extensively. Results are summarized as follows.
1. When the flow rate of circulating gas mixture is kept constant, the yield of HCHO increases linearly with the length of discharge tube.
2. When the tube length is fixed, the yield of HCHO (Y) increases according to the empirical rule Y = k logτc, where τ is the residence time of flowing gas in the discharge tube.
3. Maximum yield of HCHO as well as CH4, which is the second dominant product, is obtained at a gas composition H2/CO=2.
At the present stage, a space -time yield of 36 mol⋅m-3. h-1 has been obtained and a tentimes increase of this figure seems promising.
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