Investigation of the Zinc-Copper Catalyst NIAP-06-06 for Steam Conversion of Carbon Monoxide in the Synthesis of Methanol

2021 ◽  
Vol 21 (6) ◽  
pp. 406-412
Author(s):  
G. B. Narochnyi ◽  
A. P. Savost'yanov ◽  
I. N. Zubkov ◽  
A. V. Dulnev ◽  
R. E. Yakovenko
Keyword(s):  
Methanol Synthesis ◽  
Copper Catalyst ◽  
Space Velocity ◽  
Steam Conversion ◽  
Catalytic Reactors ◽  
Circulation Mode ◽  
Highly Active ◽  
In Series ◽  
Flow Circulation ◽  
Synthesis Of Methanol

The possibility to use the zinc-copper catalyst NIAP-06-06 for steam conversion of CO in the synthesis of methanol was explored. The catalyst was characterized by means of TPR H2, XRD and SEM methods and tested in the methanol synthesis in flow and circulation modes at a pressure of 5.0 MPa and gas hourly space velocity of 3000 h–1 over a temperature range of 220–260 °С. The catalyst was shown to be highly active and selective toward the methanol synthesis from a gas with the H2 /СО ratio 3.9, which is obtained by steam conversion of methane. The use of tubular catalytic reactors connected in series in the flow-circulation mode makes it possible to convert more than 70 % of CO and obtain crude methanol with the concentration of 95 %. In the circulation mode, a methanol output of 427.7 kg/(m3 cat·h) was achieved on the catalyst.

Characterization of CuO/ZnO/Al2O3 Catalyst for Methanol Synthesis

2011 ◽  
Vol 695 ◽  
pp. 105-108 ◽  
Author(s):  
Jun Zhou ◽  
Xin Zhe Lan ◽  
Wan Jiang Luo ◽  
Yong Hui Song ◽  
Qiu Li Zhang ◽  
...  
Keyword(s):  
Methanol Synthesis ◽  
Carbon Deposition ◽  
Space Velocity ◽  
The Self ◽  
Thermal Activity ◽  
Commercial Catalyst ◽  
Space Time Yield ◽  
Synthesis Of Methanol ◽  
Better Than

The property of CuO/ZnO/Al2O3 catalysts for methanol synthesis was investigated by means of XRD, H2-TPR and DTG. The results show that the thermal activity of the self-made CuO/ZnO/Al2O3 catalyst is better than the commercial catalyst C302 and displayed stable property after 180h application. The catalyst calcinated revealed strong interaction between CuO and ZnO, and the dispersion of CuO crystal particular was uniform. There was a small amount of carbon deposition on the surface of CuO/ZnO/Al2O3 catalyst after synthesis reaction. For synthesis of methanol with self-made catalyst in fixed reactor from the analog components of reformed bluecoke furnace gas, the space time yield and selectivity of coarse methanol respectively reached 1.5451 g·g-1·h-1 and 99.6143% under the conditions of temperature of 240°C, pressure of 5.5MPa and space velocity of 12000h-1.

Synthesis of Methanol and Dimethyl Ether from CO2 and H2 Under Flow-Circulation Conditions

2019 ◽  
Vol 19 (6) ◽  
pp. 436-444
Author(s):  
G. I. Lin ◽  
P. V. Samokhin ◽  
M. A. Kipnis
Keyword(s):  
Dimethyl Ether ◽  
Methanol Synthesis ◽  
Carbon Dioxide Emissions ◽  
Direct Synthesis ◽  
Weight Ratio ◽  
Side Reaction ◽  
Bifunctional Catalyst ◽  
Specific Yield ◽  
Flow Circulation ◽  
Synthesis Of Methanol

In the context of utilization of carbon dioxide emissions, a study of the CO2 conversion to methanol and dimethyl ether (DME) under flowcirculation conditions, when a part of converted gas returns to the reactor, was carried out. Experimental data on the synthesis of methanol (commercial catalyst Megamax 507) and direct synthesis of DME (Megamax 507/commercial zeolite ZVM, weight ratio 1/1) are reported. In the methanol synthesis from syngas, vol.%: H2 – 76.6, CO2 – 19.8, N2 – 3.6 performed at 240–260 °C and pressure 5.3 MPa, a high conversion of CO2 was reached: 84–99.6% at a low selectivity of the side reaction (CO synthesis, not higher than 4.7 %). The maximum specific yield of methanol at 260 °C was 1.24 kg(kgcat·h)–1. Special-purpose experiments demonstrated that the methanol synthesis is accompanied by a small heating (up to 10 °C) at the catalyst bed inlet, which testifies to polytropicity of the reactor. In the synthesis of DME, the DME yield referred to bifunctional catalyst was within 0.16–0.33 kg(kgcat·h)–1 depending on the conditions. Therewith, the conversion of methanol to DME was not lower than 42 %, the conversion of CO2 was within 79–96 %, and the DME synthesis proceeded under nearly isothermal conditions.

Study on Methanol Synthesis with the Analog Components of Bluecoke Furnace Gas by Rich Oxygen Carbonization

2012 ◽  
Vol 524-527 ◽  
pp. 1972-1975
Author(s):  
Jun Zhou ◽  
Lei Wu ◽  
Wan Jiang Luo ◽  
Xin Zhe Lan ◽  
Xi Cheng Zhao ◽  
...  
Keyword(s):  
Methanol Synthesis ◽  
Methane Conversion ◽  
Conversion Rate ◽  
Space Velocity ◽  
Space Time ◽  
The Self ◽  
Space Time Yield ◽  
Synthesis Of Methanol

According to the components of bluecoke furnace gas by rich oxygen carbonization, the methane conversion and methanol synthesis processes with simulation mix gas were separately researched using the self-made catalysts. The results show that the conversion rate of methane could achieve about 95% under the conditions of temperature of 800°C, space velocity of 9000h-1 and the ratio of water to hydrocarbon of about 3.0 with self-made Ni/γ-Al2O3 catalyst. For synthesis of methanol with self-made CuO-ZnO-Al2O3 catalyst in fixed reactor from the reformed gas, the space time yield and selectivity of coarse methanol respectively reached 1.5451g•g-1•h-1 and 99.6143% under the conditions of temperature of 240°C, pressure of 5.5MPa and space velocity of 12000h-1.

scholarly journals Highly Active CuFeAl-containing Catalysts for Selective Hydrogenation of Furfural to Furfuryl Alcohol

Catalysts ◽  
2019 ◽  
Vol 9 (10) ◽  
pp. 816 ◽  
Author(s):  
Svetlana A. Selishcheva ◽  
Andrey A. Smirnov ◽  
Alexander V. Fedorov ◽  
Olga A. Bulavchenko ◽  
Andrey A. Saraev ◽  
...  
Keyword(s):  
Furfuryl Alcohol ◽  
Active Sites ◽  
Hydrogen Pressure ◽  
Batch Reactor ◽  
Metallic Copper ◽  
Space Velocity ◽  
Oxide Content ◽  
X Ray Diffraction ◽  
Highly Active ◽  
Xrd Method

CuFe-containing catalysts with different copper oxide content were prepared by fusion of metal salts. The obtained catalyst showed high activity in the hydrogenation of furfural to furfuryl alcohol (FA) in the batch reactor in the presence of isopropanol as a solvent at a temperature of 100 °C and a hydrogen pressure of 6.0 MPa. The yield of FA and furfural conversion are 97% and 98%, respectively. In the solvent-free reaction in the flow-type reactor; the most active catalyst Cu20Fe66Al14 leads to the 96% formation of FA with 100% conversion of furfural at liquid hourly space velocity (LHSV) = 1 h−1; 160 °C and a hydrogen pressure of 5.0 MPa during 30 h. According to the X-ray diffraction (XRD) method, the active component of the spent and fresh Cu20Fe66Al14 catalyst is the same and is represented by metallic copper and Fe3O4-type spinel. Using different methods, the formation of active sites was investigated.

Additively manufactured RANEY®-type copper catalyst for methanol synthesis

2020 ◽  
Vol 10 (1) ◽  
pp. 164-168 ◽  
Author(s):  
Christina Heßelmann ◽  
Torsten Wolf ◽  
Florian Galgon ◽  
Carolin Körner ◽  
Jakob Albert ◽  
...  
Keyword(s):  
Additive Manufacturing ◽  
Methanol Synthesis ◽  
Copper Catalyst ◽  
Al Alloy ◽  
Selective Leaching ◽  
Novel Approach ◽  
Synthesis Catalysts ◽  
Methanol Synthesis Catalysts

We describe a novel approach to prepare cellular methanol synthesis catalysts by combining additive manufacturing (AM) of a Cu–Al alloy followed by selective leaching of Al with aqueous NaOH solutions.

A highly active copper catalyst for the hydrogenation of carbon dioxide to formate under ambient conditions

2020 ◽  
Vol 49 (9) ◽  
pp. 2994-3000
Author(s):  
Karan Chaudhary ◽  
Manoj Trivedi ◽  
D. T. Masram ◽  
Abhinav Kumar ◽  
Girijesh Kumar ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Copper Catalyst ◽  
Catalytic Conversion ◽  
Ambient Conditions ◽  
Turnover Number ◽  
Highly Active ◽  
Tin Metal ◽  
Hydrogenation Of Carbon Dioxide

Catalytic conversion of CO2via hydrogenation using in situ gaseous H2 (granulated tin metal and concentrated HCl) to produce the formate salt (HCO2−) with turnover number (TON) values of 326 to 1.065 × 105 in 12 h to 48 h of reaction at 25 °C to 80 °C has been reported.

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