Effect of the content of CO2 and H2 in the feed on the conversion of CO2 in the direct synthesis of dimethyl ether over a CuO–ZnO–Al2O3/SAPO-18 catalyst

1. Ateka, A.
2. Ereña, J.
3. Pérez-Uriarte, P.
4. Aguayo, A.T.
5. Bilbao, J.