Issue 45/2015 - Successful industrial application of boiling bed hydrogenation technology

On November 13, the hydrogenation industrialization technology (EUU) of inferior oil full remix boiling bed independently developed by Shanghai Xinyou Energy Technology Co.
, Ltd.
was authorized
by the national invention patent.
In addition, the 150,000-ton coal tar hydrogenation unit successfully applied this technology has achieved stable operation, and the company has become one of the few enterprises in the world that has mastered the industrial technology of boiling bed hydrogenation, and China's inferior oil processing technology has since ranked among the world's advanced ranks
.

In 2014, Xinyou Energy successfully developed NUHC-60 series heavy oil boiling bed hydrogenation catalyst, and jointly developed EUU
with Xinqiyuan.
In late July 2015, the 150,000-ton coal tar hydrogenation unit in Hebei Xinqiyuan, which adopts EUU technology, was successfully started up and achieved stable operation, making EUU the first boiling bed hydrogenation technology
with independent intellectual property rights and industrial operation in China.

The operation results of the new Qiyuan project show that EUU technology can not only efficiently convert more than 20% of the gum and asphaltene when processing coal tar, but also directly produce high-quality clean oil products that meet the quality requirements; It can also be coupled with stationary bed hydrogenation with clean oils required by the production country V or higher
.
If it is used in petrochemical enterprises, it can replace fixed-bed residual oil hydrogenation technology (ARDS or VRDS), combined with the catalytic cracking unit, so that the continuous operation cycle of the plant is extended from one year to more than two years, the investment in the hydrogenation unit is reduced by 40%, the energy consumption is reduced by about 30%, and the efficiency is increased by more than
20%.

EUU is a process
specially developed by Xinyou Energy to solve the problems of difficult processing, low liquid harvest and poor efficiency of inferior heavy oil.
Compared with fixed bed hydrogenation technology, EUU has the advantages
of high airvelocity ratio (0.
8~1.
5/h, while fixed bed is only 0.
3~0.
4/h), long catalyst life (extended from 11 months to more than two years), high conversion rate of gum and asphaltene (≥90%), low investment (the volume of hydrogenation reactor with the same processing capacity is 1/2~2/3 smaller than that of fixed bed), low energy consumption, long operating cycle, and wide range of raw material adaptation.

It is understood that the representative technology of heavy oil hydrogenation - fixed bed hydrogenation process commonly used at present when processing high metal, high asphaltene and high gummy raw materials, the catalyst is deactivated quickly, easy to coke, the bed pressure drop grows rapidly, the device operation cycle is short, and the raw material adaptation range is narrow, and its drawbacks are becoming more and more prominent
with the trend of heavy and inferior crude oil.

The boiling bed hydrogenation process expands the processing range of raw materials, not only can easily process all kinds of heavy crude oil, residual oil, coal tar, shale oil and even oil sands pitch, but also has high residual oil conversion rate, high light oil yield, catalyst can be replaced online, and the continuous operation cycle of the device is long, which is recognized as the world's advanced inferior heavy oil processing technology
.
(Book)