Direct Methane to Methanol: Foundations and Prospects of the by Vladimir Arutyunov

By Vladimir Arutyunov

Direct Methane to Methanol: Foundations and customers of the Process deals a state of the art account of 1 of the main fascinating and very likely advertisement applied sciences for direct conversion of typical fuel into priceless chemical substances. The ebook completely explains the advanced and strange chemistry of the method, in addition to attainable functions for direct methane to methanol (DMTM). It covers subject matters concerning thermokinetics, strain, direct oxidation of heavier alkanes, and extra, and offers unique appendices with experimental information and product yields.

This ebook offers all those that paintings within the box of gasoline processing and gasoline chemistry with the idea and experimental information to enhance and practice new approaches in line with direct oxidation of common fuel. All those that care for oil and traditional fuel creation and processing will find out about this promising expertise for the conversion of gasoline into extra useful chemical substances.

  • Reviews greater than 350 guides on high-pressure, low-temperature oxidation of methane and different gasoline section hydrocarbons
  • Contains infrequent fabric on hand for the 1st time in English
  • Explains the explanations of past failure and descriptions the future of advertisement improvement of the conversion technology
  • Presents a deep theoretical wisdom of this complicated conversion process

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Extra info for Direct Methane to Methanol: Foundations and Prospects of the Process

Sample text

2% C2þ) led to a rise in the temperature of the process in experiments on the same facility by almost 90  C, a value nearly equal to the difference between the optimal temperatures reported in [91] and [76]. Of special importance for understanding the general nature of the temperature dependence of partial methane oxidation are studies covering a wide temperature range, including, in particular, temperatures at which the changeover from the preferential formation of typical DMTM products to the preferential formation of methane oxidative coupling products occurs.

The same turned out to be true when the reaction was conducted under supercritical conditions (see Chapter 9). Thus, we can claim that the influence of the pressure on the yield of the DMTM products is most pronounced in the range of up to 100 atm, becoming weak with further pressure rise. Methanol is also formed at atmospheric pressure, for example, in experiments [25] with CH4/O2 ¼ 9:1, 4:1, and 2:1 mixtures at 456  C in a static quartz reactor washed with nitric acid. The selectivity of methanol formation reached a maximum at the end of the highestrate period of methane conversion, exceeding 20% for the CH4/O2 ¼ 9:1 and 4:1 mixtures, after which it rapidly decreased, leading to a low integrated methanol yield.

0 s. Based on the data from [40]. 2 s. Based on the data from [76]. 0%. 5%. At the same time, the concentration of aldehydes increased monotonically with the oxygen concentration (Fig. 32). The content of acids in this oxygen concentration range remained almost constant. The concentrations of the other detected organic products (ethers and ketones), except for that of methyl ethyl ketone, also increased with the oxygen concentration. The ratio of the total concentration of alcohols to the total concentration of aldehydes in the liquid monotonically decreased with increasing oxygen concentration in this range, from w7 at low O2 concentrations to w3 at higher O2 concentrations (Fig.

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