Process for the hydroconversion of petroleum feedstocks via slurry technology allowing the recovery of metals from the catalyst and feedstock using a leaching step

a technology of petroleum feedstock and hydroconversion process, which is applied in the direction of physical/chemical process catalysts, metal/metal-oxide/metal-hydroxide catalysts, effluent separation, etc., can solve the problem of much more complex recovery of metals

Inactive Publication Date: 2013-04-11
INTREVEP SA
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Problems solved by technology

The characteristic of slurry processes is that the catalyst is finely divided and not supported on a mineral phase; this renders recovery of the metals much more complex than with the traditionally emp

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  • Process for the hydroconversion of petroleum feedstocks via slurry technology allowing the recovery of metals from the catalyst and feedstock using a leaching step
  • Process for the hydroconversion of petroleum feedstocks via slurry technology allowing the recovery of metals from the catalyst and feedstock using a leaching step
  • Process for the hydroconversion of petroleum feedstocks via slurry technology allowing the recovery of metals from the catalyst and feedstock using a leaching step

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Embodiment Construction

[0027]The invention concerns a process for the hydroconversion of heavy oil feedstocks in slurry mode in order to enable the recovery and recycling of metals in the residual unconverted fraction, in particular those used as catalysts.

[0028]More particularly, the invention concerns a process for the hydroconversion of heavy oil feedstocks containing metals, comprising:[0029]a. a step for hydroconversion of the feedstock in at least one reactor containing a catalyst in the form of a slurry containing at least one metal, and optionally a solid additive;[0030]b. a step for separation of the hydroconversion effluent without decompression into a fraction termed the light fraction containing compounds boiling at 500° C. at most and into a residual fraction;[0031]b′. an optional step for fractionation, comprising vacuum separation of said residual fraction as obtained in step b) to obtain a vacuum residue which is concentrated in metals;[0032]c. a step for liquid / liquid extraction of said r...

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Abstract

A process for the hydroconversion of heavy oil feedstocks comprises a step for hydroconversion of the feedstock in at least one reactor containing a catalyst in slurry mode used to recover metals from the residual unconverted fraction, especially those used as catalysts. The process comprises a hydroconversion step, a gas/liquid separation step, a liquid/liquid extraction step, a grinding step, a leaching step, a combustion step, a metals extraction step and a step for the preparation of catalytic solutions which are recycled to the hydroconversion step.

Description

[0001]The invention relates to a process for the hydroconversion of heavy oil feedstocks into lighter products, which can be upcycled as fuels and / or raw materials for petrochemicals. More particularly, the invention relates to a process for the hydroconversion of heavy oil feedstocks comprising a step for hydroconversion of the feedstock in at least one reactor containing a catalyst in slurry mode used to recover metals from the residual unconverted fraction, especially those used as catalysts, in order to upcycle them as catalytic solutions and recycle them upstream of the slurry conversion process. The process comprises a hydroconversion step, a gas / liquid separation step, a liquid / liquid extraction step, a grinding step, a leaching step, a combustion step, a metals extraction step and a step for the preparation of catalytic solutions which are recycled to the hydroconversion step.[0002]The conversion of heavy oil feedstocks into liquid products may be carried out by heat treatme...

Claims

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Application Information

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IPC IPC(8): C10G65/12C10G47/00C10G45/32C10G45/02C10G45/44C10G65/10C10G65/04
CPCB01J23/883C10G2300/44C10G67/0454C22B7/009C10G45/02C10G45/32C10G45/44C10G47/00C10G65/04C10G65/10C10G65/12C10G2300/1077C10G2300/301C10G2300/701C10G2300/805C10G2300/202C10G2300/205C10G2300/206C10G49/12Y02P10/20
Inventor HERAUD, JEAN-PHILIPPEMOREL, FREDERICQUIGNARD, ALAIN
Owner INTREVEP SA
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