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Hydrogenation processing method for full-range f-t synthetic oil

A technology of Tropsch synthesis and full fractionation, which is applied in the petroleum industry, hydrotreating process, hydrocarbon oil treatment, etc., and can solve problems such as complex reaction process

Inactive Publication Date: 2008-05-14
SYNFUELS CHINA TECH CO LTD
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  • Summary
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  • Description
  • Claims
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Problems solved by technology

This method is aimed at producing gasoline, and the reaction process is relatively complicated.

Method used

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  • Hydrogenation processing method for full-range f-t synthetic oil
  • Hydrogenation processing method for full-range f-t synthetic oil
  • Hydrogenation processing method for full-range f-t synthetic oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1、2、3、4

[0044] Embodiment 1, 2, 3 and 4 adopt figure 1 The process flow, the properties of the raw materials used are shown in Table 1. The operating condition of each reactor of embodiment 1,2 and the property of the product obtained are shown in Table 2, and the operating condition of each reactor of embodiment 3,4 and the property of the product obtained are shown in Table 3.

[0045] Table 1 Raw Oil Properties

[0046] Raw oil

Fischer-Tropsch synthetic oil

Density / g·m -3

0.8112

Distillation range / ℃

40～650

Acidity / mgKOH (100mL) -1

856

Oxygen content, %

2.5

Diene, %

11.25

[0047] Table 2 embodiment 1,2 the operating conditions of each reactor and the character of gained product

[0048]

[0049] Note: the reaction temperature in the examples refers to the average reaction temperature.

[0050] Table 3 The operating conditions of each reactor of embodiment 3, 4 and the character...

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Abstract

The invention relates to a hydrogenation processing method of Fischer-Tropsch synthetic oil full cut and the Fischer-Tropsch synthetic oil full cut is subjected to two-step hydrogenation processing and then treated by separation; the tail oil acquired from separation undergoes hydrogen cracking and the products acquired by hydrotreatment and cracking enter a same separation system. Cetane value of diesel oil acquired from the separation is higher than 70, solidifying point is below 0 DEG C and content of sulfur and nitrogen is extremely low; therefore, the diesel oil acquired can produce 0 high-quality clean diesel oil and also can serve as high-quality harmonic component to promote the cetane value of diesel oil; meanwhile, naphtha acquired is high-quality raw material used for producing ethylene by steam cracking.

Description

technical field [0001] The invention relates to a hydrogenation processing method of full fraction Fischer-Tropsch synthetic oil, in particular to a hydrogenation processing method of processing full fraction Fischer-Tropsch synthetic oil into high-quality motor fuel and high-quality chemical raw materials. Background technique [0002] Fossil fuels mainly include coal and petroleum. From a global perspective, the reserves of coal far exceed the reserves of petroleum. Therefore, how to replace petroleum with coal is an important topic in the energy field. The important process for coal to replace petroleum is the liquefaction process of coal and the further processing process of coal liquefaction products. [0003] According to different routes of chemical processing, coal liquefaction can be divided into two categories: direct liquefaction and indirect liquefaction. Coal direct liquefaction is the direct conversion of coal into liquid products. The main processes include...

Claims

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Application Information

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IPC IPC(8): C10G65/12
Inventor 任杰相宏伟曹立仁孙予罕李永旺
Owner SYNFUELS CHINA TECH CO LTD
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