Co-feeding water to attenuate deactivation of the catalyst metallic function (CuO-ZnO-Al2O3) by coke in the direct synthesis of dimethyl ether

1. Sierra, I.
2. Ereña, J.
3. Aguayo, A.T.
4. Arandes, J.M.
5. Olazar, M.
6. Bilbao, J.