DEHIDRASI METANOL MENJADI DIMETIL ETER DENGAN MEMODIFIKASI KATALIS CuO-ZnO/-Al2O3
Sari
dimetil eter dilakukan dalam reaktor alir pipa pada suhu 250 – 375oC dengan tekana 2,5 psig, Hasil uji aktivitas
katalis terbaik menujukkan konversi metanol sebesar 82% suhu 275oC, selektivitas dimetil eter sebesar 80%
suhu 275oC , dan yield dimetil eter sebesar 84% pada suhu 275oC dan WHSV 20 menit-1 pada suhu 325oC
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Aguayo, A.T., Ereña, J., Sierra, I., Arandes, J.M.,
Olazar, M., Bilbao, J., 2005, Deactivation and
regeneration of hybrid catalysts in the singlestep synthesis of dimethyl ether from syngas
and CO2, Catal. Today 106, 265-270.
Aguayo, A.T., Ereña, J., Mier, D., Arandes, J.M.,
Olazar, M., Bilbao, J., 2007, Kinetic modeling
of dimethyl ether synthesis in a single step on a
CuO-ZnO-Al2O3/γ-Al2O3 catalyst, Ind. Eng.
Chem. Res. 46, 5522-5530.
Akarmazyan, S.S., Panagiotopoulou, P., Kambolis,
A., Papadopoulou, C., Kondarides, D.I., 2012,
Methanol dehydration to dimethylether over
Al2O3 catalysts, Appl. Catal. B: Environ., in
press, doi: 10.1016/j.apcatb.2012.11.043
Arcoumanis, C., Bae, C., Crookes, R., Kinoshita, E.,
, The potential of di-methyl ether (DME)
as an alternative fuel for compression-ignition
engines: a review, Fuel 87, 1014-1030.
Bercic, G., Levec, J., 1992, Intrinsic and global
reaction rate of methanol dehydration over γ-
Al2O3 pellets, Ind. Eng. Chem. Res. 31, 1035-
Chumaidi (2014) Kajian awal pembuatan methanol
dari biogas berbasis silica alumina Seminar
Nasional Teknoin UII Nopember 2012
Ereña, J., Garoña, R., Arandes, J.M., Aguayo, A.T.,
Bilbao, J., 2005, Effect of operating conditions
on the synthesis of dimethyl ether over a CuOZnO-Al2O3/NaHZSM-5 bifunctional catalyst,
Catal. Today 107-108, 467-473.
Ereña, J., Sierra, I., Aguayo, A.T., Ateka, A., Olazar,
M., Bilbao, J., 2011, Kinetic modelling of
dimethyl ether synthesis from (H2+CO2) by
considering catalyst deactivation, Chem. Eng.
J. 174, 660-667.
Figueras, F., Nohl, A., Mourgues, L., Trambouze,
Y., 1971, Dehydration of methanol and tertbutyl alcohol on silica-alumina, Trans. Faraday
Soc. 67, 1155-1163.
Fleisch, T.H., Basu, A., Sills, R.A., 2012,
Introduction and advancement of a new clean
global fuel: the status of DME developments in
China and beyond, J. Nat. Gas Sci. Eng. 9, 94-
Gates, B.C., Johanson, L.N., 1971, LangmuirHinshelwood kinetics of the dehydration of
methanol catalyzed by cation exchange resin,
AIChE J. 17, 981-983.
Gayubo, A.G., Aguayo, A.T., Atutxa, A., Prieto, R.,
Bilbao, J., 2004, Role of reaction-medium
water on the acidity deterioration of a HZSM-5
zeolite, Ind. Eng. Chem. Res. 43, 5042-5048.
Klusaček, K., Schneider, P., 1982, Stationary
catalytic kinetics via surface concentrations from transient data: Methanol dehydration,
Chem. Eng. Sci. 37, 1523-1528.
Semelsberger, T.A., Borup, R.L., Greene, H.L.,
, Dimethyl ether (DME) as an alternative
fuel, J. Power Sources 87, 1014-1030.
Sierra, I., Ereña, J., Aguayo, A.T., Arandes, J.M.,
Bilbao, J., 2010a, Regeneration of CuO-ZnOAl2O3/γ-Al2O3 catalyst in the direct synthesis
of dimethyl ether, Appl. Catal. B: Environ. 94,
-116.
Sierra, I., Ereña, J., Aguayo, A.T., Olazar, M.,
Bilbao, J., 2010b, Deactivation kinetics for
direct dimethyl ether synthesis on a CuO-ZnOAl2O3/γ-Al2O3 catalyst, Ind. Eng. Chem. Res.
, 481-489.
Sierra, I., Ereña, J., Aguayo, A.T., Arandes, J.M.,
Olazar, M., Bilbao, J., 2011, Co-feeding water
to attenuate deactivation of the catalyst metallic
function (CuO-ZnO-Al2O3) by coke in the
direct synthesis of dimethyl ether, Appl. Catal.
B: Environ. 106, 167-173.
Xu M., Lunsford J.H., Goodman D.W.,
Bhattacharyya A., 1997, Synthesis of dimethyl
ether (DME) from methanol over solid-acid
catalysts, Appl. Catal. A: General, 149, 289-
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