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The positive industrial experience in the use of contact devices of the VNIIUS-14 type in mono- and diethanolamine scrubbing of hydrogen sulfide from gases at oil refineries is described. The expediency of replacing bubble trays, whose operation is associated with extreme foaming with negative...
The reasons for using a furnace for heating the primary feedstock and excess number of condensers on existing type 21‐10/300 delayed coking plants (DCP) are revealed. A variant of operation of the type 21‐10/600 DCP using a heat‐exchange system is proposed. It was shown that if...
The solubility of acid products (carbon monoxide, nitrogen oxides, and sulfur dioxide) in water from the stack gas plume at fuel‐burning plants at the smoke stack outlet was examined. The ratio of the masses of these products and the water formed during burning of fuel was determined. Factors...
Process schemes for production of high-purity distillate are examined. The analysis was based on the postulate that contamination of vapor (distillate, condensate) with nonvolatile contaminants is due to entrainment of drops of boiling liquid by the vapor stream. Expressions were found for...
A new mechanism of combustion of fuel‐air mixtures in internal combustion engines was formulated. According to this mechanism, a set of active particles: radicals, cation‐ and anion‐radicals, ions, and electrons, participate in the combustion process.
As the first studies showed, the new Uzbekistan crude oils are viscous. Using crude oil from the Mingbulak field, we found that its high viscosity (22.38 mm 2 /sec at 50°C) is primarily due to the high content of wax (up to 8.56 wt. %), silicone resins (up to 15.65 wt. %), and asphaltenes (6.8...
Straight‐run crude oil of gas condensate naphtha cuts for use as components of motor fuels must be refined: to transform their low‐octane components – n‐paraffins – into high‐octane compounds, while not decomposing isoparaffins if possible. A catalyst with high molecular‐sieve...
Naftalan crude oil is the only crude in the world with high therapeutic efficacy. Its therapeutic properties are due to the chemical composition and basic biologically active components, fossil hydrocarbons – naphthenes with isoprenoid chains, steranes, hopanes, etc. (1 – 8). The necessity of...
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