Method for hydrogenating hydrocarbon material containing metal impurity

A technology for metal impurities and hydrocarbons, which is applied in the field of hydrotreating of hydrocarbon materials containing metal impurities, can solve the problems of improved de-ironization effect, increased bed pressure drop, too fast catalyst bed pressure drop, etc.

Active Publication Date: 2010-06-09
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

CN1323873A adopts solid inert fiber material, operates under the condition of hydrogen, and the iron removal rate has been improved, but the reaction temperature is higher, and the iron removal effect needs to be further improved
In CN2465800 and CN2671682, catalysts with spongy honeycomb holes inside the particles are installed on the top of the hydrogenation catalyst bed, but this method only alleviates the problem of excessive pressure drop of the catalyst bed, and does not fundamentally solve the bed pressure problem. up and down problem

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  • Method for hydrogenating hydrocarbon material containing metal impurity
  • Method for hydrogenating hydrocarbon material containing metal impurity
  • Method for hydrogenating hydrocarbon material containing metal impurity

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Gasoline fraction hydrorefining process.

[0026] During the processing process, the raw material of the FCC gasoline fraction was contaminated by iron impurities, and the content of iron element was 32μg / g. The catalyst for the hydrorefining process is the FDS-4A catalyst developed by Fushun Petrochemical Research Institute and produced by Wenzhou Huahua Group Company. The operating conditions are the average reaction temperature of 260°C, the reaction pressure of 4MPa, and the volumetric space velocity of 6h. -1 , The volume ratio of hydrogen to oil is 400:1. The low pressure separator flash vapor (low gas separation), the volume content of hydrogen sulfide is 3.4%, and the pressure is 0.7MPa. The experimental schemes 1-1 and 1-2 for the removal of metal impurities use a catalyst. The catalyst is the residual oil hydrogenation protective agent FZC-102 (Raschig ring shape, diameter 5mm) developed and produced by Fushun Petrochemical Research Institute. Embodiments 1-3 ad...

Embodiment 2

[0030] Hydrorefining process of diesel oil fraction.

[0031] The iron-containing impurities in the diesel oil fraction and the contamination during processing are 85μg / g in terms of iron. The catalyst for the hydrorefining process is FH-98 catalyst developed by Fushun Petrochemical Research Institute and produced by Wenzhou Huahua Group Company. The operating conditions are the average reaction temperature of 320℃, the reaction pressure of 6MPa, and the volumetric space velocity of 2h. -1 , The volume ratio of hydrogen to oil is 800:1. The low-pressure separator flash vapor (low-separated gas) has a volume content of 6.5% and a pressure of 1.0 MPa. The catalyst for removing metal impurities uses the residue hydrogenation protective agent FZC-101 (seven-hole ring, outer diameter 16mm) developed and produced by Fushun Petrochemical Research Institute, FZC-102 (Raschig ring, diameter 5mm), the volume ratio is 1:2 , Stratified filling, the diesel raw material is first contacted wit...

Embodiment 3

[0035] Vacuum distillate (distillation range 379~540℃) hydrotreating process.

[0036] The content of various impurities is 12μg / g iron, 25μg / g calcium and 22μg / g sodium. The catalyst for the hydrotreating process is 3936 catalyst developed by Fushun Petrochemical Research Institute and produced by Fushun Petrochemical Company Catalyst Plant. The operating conditions are the average reaction temperature of 370℃, the reaction pressure of 10MPa, and the volumetric space velocity of 1h. -1 , The volume ratio of hydrogen to oil is 1500:1. The volume content of hydrogen sulfide in the flash steam (low gas separation) of the low-pressure separator is 5.1%, and the pressure is 1.5 MPa. The catalyst for removing metal impurities uses the residue hydrogenation protective agent FZC-100 (seven-hole ball, outer diameter 16mm), FZC-101 (seven-hole ring, 16mm outer diameter), FZC-102 (pull-out) developed and produced by Fushun Petrochemical Research Institute. West ring, diameter 5mm), volume...

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Abstract

The invention relates to a method for hydrogenating a hydrocarbon material containing metal impurities, in particular to a method for hydrogenating a hydrocarbon material containing metal impurities, such as ferrum, sodium, calcium, and the like. The method comprises the raw material pretreatment process, the hydrogenating reaction process and the hydrogenated product separating process. In the raw material pretreatment process, the hydrocarbon material containing the metal impurities is mixed with the flash steam (low-pressure fractionation gas) of a low pressure separator of a hydrogenating reaction product separating system; then, the hydrocarbon material with higher impurity removing rate can be obtained by a fixed bed layer of a filter material, an adsorbent or catalyst; and the material is carried out the hydrogenating reaction process and can effectively ensure the stable running of the hydrogenating reaction process. Compared with the prior art, the method has mild operation condition and high impurity removing rate, and can be used for various hydrogenating reaction systems.

Description

Technical field [0001] The invention relates to a method for hydrotreating hydrocarbon materials containing metal impurities, in particular to a method for hydrotreating hydrocarbon materials containing metal impurities such as iron, sodium or calcium. Background technique [0002] At present, various hydrogenation technologies have become important processing methods for hydrocarbon materials. Hydrogenation technologies generally include processes such as hydrorefining, hydrocracking, hydro-upgrading, and hydroprocessing. The raw materials of hydrogenation technologies include various hydrocarbons. Such materials, such as naphtha, gasoline, kerosene, diesel, various vacuum distillates, various synthetic oils, residual oil, crude oil, etc. [0003] Hydrocarbon materials, such as various mineral hydrocarbon materials, often contain various heteroatoms, such as sulfur, nitrogen, oxygen, and various metals. Removal of various heteroatoms is an important part of the hydrocarbon proces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G67/02
Inventor 方向晨关明华梁相程黄新露
Owner CHINA PETROLEUM & CHEM CORP
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