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Vegetable oil hydro-upgrading method

A technology for hydrotreating and upgrading vegetable oil, applied in hydrotreating process, petroleum industry, treating hydrocarbon oil, etc., can solve the problems of high investment cost and complicated operation of the device, achieve simple operation, simple process flow, and improve comprehensive effect Effect

Pending Publication Date: 2020-05-05
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] Although the above method can effectively guarantee the activity of the catalyst and prolong the operation period of the device, at least two or more reactors and separators are required, and the investment cost of the device is high and the operation is complicated.

Method used

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Embodiment Construction

[0032] Further illustrate the specific situation of the present invention below by embodiment. The catalyst loaded in the hot high-pressure separator is the FH-40D hydrorefining catalyst developed by Fushun Petrochemical Research Institute. The hydrorefining reactor is filled with FF-46 hydrorefining catalyst and FC-14 hydrorefining catalyst in sequence. Soybean oil was used as the experimental raw material.

[0033] Table 1 Main properties of raw oil

[0034]

[0035] Table 2 Main physicochemical properties of FH-40D and FF-46A hydrotreating catalysts

[0036]

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Abstract

The invention discloses a method for hydrodeoxygenation of vegetable oil. The method comprises the following steps: (1) biological oil enters a thermal high-pressure separator to be in contact with acatalyst 1 filled in the thermal high-pressure separator to perform olefin saturation and shallow hydrodeoxygenation reaction; (2) a gas-phase effluent at the top of the thermal high-pressure separator can be recycled as supplementary hydrogen, a liquid-phase effluent enters a fractionating tower, and gasoline, diesel oil and unconverted oil are obtained through separation; and (3) the unconvertedoil and hydrogen are mixed to enter a hydro-upgrading reactor to carry out deep hydrodeoxygenation reaction and isomery pour point depression, and an effluent enters the thermal high-pressure separator. The method can ensure the activity stability of the catalyst and the long-period stable operation of the device while producing the low-condensation-point diesel oil blending component, and has the advantages of low production cost and simple operation.

Description

technical field [0001] The invention relates to a method for hydrogenation and upgrading of vegetable oil, in particular to a method for producing high-quality diesel blending components through hydrogenation and upgrading by using vegetable oil as raw material. Background technique [0002] Petroleum is a one-time resource and cannot be used renewablely. With the increase of its consumption, its production and reserves are greatly reduced. To develop new renewable energy to replace the increasingly depleted traditional energy, environmental regulations and industrial development require new clean fuels, so countries all over the world are actively exploring and developing alternative energy and renewable energy. Animal and vegetable oils are inexhaustible and are typical renewable energy sources. The composition of these biological oils is similar, mainly composed of straight-chain fatty acid triglycerides, and C 16 and C 18 mostly. Animal and vegetable fats and oils are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G67/02
CPCC10G67/02C10G2400/02C10G2400/04
Inventor 吴子明崔哲王仲义曹正凯彭冲
Owner CHINA PETROLEUM & CHEM CORP
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