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Method for producing low-sulfur marine fuel oil blending component by using high-sulfur heavy oil

A low-sulfur ship and fuel oil technology, applied in the petroleum industry, hydrocarbon oil treatment, hydrotreating process, etc., can solve the problems of high energy consumption, high viscosity of deasphalted oil, difficult realization, etc., to improve the separation speed and separation. Efficiency, improve economic efficiency, improve yield effect

Active Publication Date: 2019-05-07
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the solvent deasphalting process is complex, high energy consumption, difficult to realize, and the deasphalted oil has a high viscosity, so it needs to be mixed with light oil to reduce the viscosity, thereby reducing the efficiency of the fixed bed hydrogenation unit

Method used

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  • Method for producing low-sulfur marine fuel oil blending component by using high-sulfur heavy oil
  • Method for producing low-sulfur marine fuel oil blending component by using high-sulfur heavy oil

Examples

Experimental program
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Effect test

Embodiment 1

[0030]This example is an implementation of producing low-sulfur marine fuel oil blending components from high-sulfur heavy oil. The vacuum residue raw material enters the visbreaking unit for visbreaking. After moderate visbreaking, a visbroken residue is obtained. Add a composite modifier to the visbreaking residue, and the added composite modifier is composed of polyacrylamide, polyaluminum chloride, N, N'-di-sec-butyl-p-phenylenediamine, p-tert-butylcatechol and The mixed composition of N,N'-disalicylidene propylenediamine, the weight ratio is 20:40:60:30:1, and the addition amount of the composite modifier is 0.05% of the weight of the vacuum residue raw material. The mixture enters a continuous settling device for continuous settling, and the operating conditions are as follows: the temperature is 80° C., and the operating pressure is the pressure at which the composite modifier is kept in a liquid phase at the operating temperature. The overflow material is obtained at...

Embodiment 2

[0034] Same as Example 1, except that the added polyacrylamide, polyaluminum chloride, N, N'-di-sec-butyl-p-phenylenediamine, p-tert-butylcatechol and N, N'-disalicylidene propane Amine mixed composition, its weight ratio is 30:60:60:30:1. Wherein, the volume yield of the overflow material obtained is 68%, and the properties of the overflow material are shown in Table 4. The reaction conditions and the test results of running for 500 hours are shown in Table 5.

Embodiment 3

[0036] Same as Example 1, except that the added polyacrylamide, polyaluminum chloride, N, N'-di-sec-butyl-p-phenylenediamine, p-tert-butylcatechol and N, N'-disalicylidene propane Amine mixed composition, its weight ratio is 20:40:80:30:2. Wherein, the volume yield of the overflow material obtained is 72%, and the properties of the overflow material are shown in Table 4. The reaction conditions and the test results of running for 500 hours are shown in Table 5.

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Abstract

The invention discloses a method for producing a low-sulfur marine fuel oil blending component by using high-sulfur heavy oil. The method comprises that a) a high-sulfur heavy oil raw material entersa visbreaking device, and is subjected to visbreaking to obtain a visbreaking residue oil; b) a composite modifier is added to the visbreaking residue oil obtained in the step a), and the obtained mixture is continuously settled, wherein an overflow material is obtained from the upper portion, and an underflow material is obtained from the lower portion; and c) the overflow material obtained in the step b) enters a fixed bed residual oil hydrogenation device, and is subjected to hydrodesulfurization to obtain the low-sulfur marine fuel oil blending component. According to the present invention, the method is particularly suitable for the mass-production of low-sulfur marine fuel oil blending components, has advantages of mature technology, low operating cost of equipment and the like, andcan improve the yield of visbreaking light oil products, increase the added values of products, and easily weaken the influence on the catalyst activity stability in the subsequent fixed bed hydrotreating process.

Description

technical field [0001] The invention relates to a method for producing low-sulfur marine fuel oil blending components from high-sulfur heavy oil. Background technique [0002] With the continuous development of industry, people pay more and more attention to the problem of environmental pollution, and environmental protection regulations are becoming increasingly strict. The new MARPOL Convention stipulates that on or after January 1, 2015, when a ship sails in the general area of ​​the sea, the sulfur content of marine fuel oil should not exceed 3.5%, and it should also meet the specific requirements of each port; while in the emission control area When sailing, the sulfur content of fuel oil used on board should not exceed 0.1%. On and after January 1, 2020, when ships are navigating in general sea areas, the sulfur content of marine fuel oil should not exceed 0.5%; when navigating in emission control areas, the sulfur content of fuel oil used on board ships should not ex...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G67/14
Inventor 杨旭耿新国刘铁斌翁延博李洪广袁胜华
Owner CHINA PETROLEUM & CHEM CORP
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