Dewaxing of Heavy Diesel Fuel in an Electric Field


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Аннотация

Dewaxing of a diesel fuel (DF) of heavy fractional composition (HFC) in an electric field using Dodiflow-4971 depressants and higher fatty alcohols (HFAs) as process activators is studied. It is shown that dewaxing of DF of HFC allows production of DF with improved low-temperature properties. The yield of dewaxed diesel fuel (DDF) at –15°C reaches 75.8 wt% with cloud-point depression of 17°C; at –5°C, the DDF is 77.8 wt% with 11°C depression. The electric charge of alcohols generated during crystallization and the temperature range of thermoelectric effects where the charge persists have a combined effect on the DF dewaxing indices. The dewaxing and quality indices of the DDF are greater for higher values of these characteristics. It is shown that the effectiveness of HFAs as dewaxing activators increases in the order tetradecanol < hexadecanol < octadecanol < C19+ HFA fraction < C10-18 HFA fraction.

Авторлар туралы

N. Yakovlev

Tyumen’ Industrial University

Хат алмасуға жауапты Автор.
Email: yns007@rambler.ru
Ресей, Tyumen’

S. Agaev

Tyumen’ Industrial University

Email: yns007@rambler.ru
Ресей, Tyumen’

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