NDLI: Synthesis of gasoline fractions from CO and H$

Content Provider	Springer Nature Link
Author	Ionin, D. A. Kolesnichenko, N. V. Bukina, Z. M. Khadzhiev, S. N.
Copyright Year	2014
Abstract	The technology for the manufacturing of gasoline fractions (synthetic hydrocarbons) from synthesis gas (syngas) on zeolites through the oxygenate production step as developed at the Topchiev Institute of Petrochemical Synthesis, differs from the classical MTG process of ExxonMobil in that the oxygenate and gasoline production steps are integrated in one circuit. In the new technology, the synthetic hydrocarbons contain 6 to 27 wt % aromatic hydrocarbons (benzene and durene ≤2 wt %) depending on the H$_{2}$/CO ratio in syngas. When syngas with H$_{2}$/CO ≤ 3.5 in the vapor-gas mixture arriving at the gasoline production stage is used, an increased methanol (MeOH) content is observed and the MeOH conversion is incomplete with the exhaustive conversion of dimethyl ether (DME). To increase the involvement of MeOH in the synthesis of the gasoline fraction, the influence of various parameters on the conversion of MeOH and DME has been studied. It has been shown that a change in the composition of fresh syngas has a more significant effect notably on the MeOH, rather than the DME conversion into synthetic hydrocarbons and is enhanced with an increase in the MeOH weight hourly space velocity (WHSV). If the vapor-gas mixture arriving from the oxygenate production reactor at the step of production of the gasoline fraction contains more than 50 wt % MeOH, in order to improve the selectivity for the gasoline fraction, the synthesis should be conducted at a lower WHSV of oxygenates than in the case when the vapor-gas mixture contains DME alone.
Starting Page	112
Ending Page	117
Page Count	6
File Format	PDF
ISSN	09655441
Journal	Petroleum Chemistry
Volume Number	55
Issue Number	2
e-ISSN	15556239
Language	English
Publisher	Pleiades Publishing
Publisher Date	2015-03-18
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	synthesis gas oxygenates synthetic hydrocarbons synthetic fuel gasoline fractions zeolite catalyst Industrial Chemistry/Chemical Engineering
Content Type	Text
Resource Type	Article
Subject	Chemistry Geochemistry and Petrology Fuel Technology Chemical Engineering Energy Engineering and Power Technology

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