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Methods and apparatuses for co-processing pyrolysis oil

a technology of pyrolysis oil and coprocessing, which is applied in the direction of lighting and heating apparatus, dewatering/demulsification with chemical means, furnaces, etc., can solve the problems of affecting the heat balance of the fcc unit, challenging the processing in the fcc unit, and harming the fcc catalys

Inactive Publication Date: 2016-06-16
UOP LLC
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Benefits of technology

The patent text describes methods and apparatus for processing pyrolysis oil and fuel by mixing them with a surfactant to form an emulsion, which is then introduced into a reaction zone in a fluid catalytic cracking (FCC) unit with a catalyst to form a product stream. The technical effects of this patent include improved processing efficiency of pyrolysis oil and fuel, reduced catalyst deactivation, and improved product quality.

Problems solved by technology

Further, it may contain up to about 35% water and also contain acidic components that may cause corrosion.
The high water content and acidic content of pyrolysis oil makes processing in FCC units challenging.
Specifically, the high volume of water in a pyrolysis stream introduced to an FCC unit negatively impacts the heat balance of the FCC unit.
Further, the acid content of the pyrolysis stream can potentially harm FCC catalysts, such as through accelerated coke formation, and reduce the FCC unit product yield.

Method used

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  • Methods and apparatuses for co-processing pyrolysis oil
  • Methods and apparatuses for co-processing pyrolysis oil

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Embodiment Construction

[0011]The following Detailed Description is merely exemplary in nature and is not intended to limit the methods and apparatuses described herein. Furthermore, there is no intention to be bound by any theory presented in the preceding Background or the following detailed description.

[0012]Various embodiments contemplated herein relate to methods and apparatuses for co-processing pyrolysis oil. Specifically, embodiments herein provide for co-processing pyrolysis oil in an FCC reactor with another stream, such as a hydrocarbon stream and / or a lipid stream. An exemplary process uses a surfactant to form an emulsion from the pyrolysis oil, the hydrocarbon stream, and the surfactant. The emulsion is fed directly into the FCC reactor through conventional means, i.e., no special injection equipment is needed. The FCC reactor converts the emulsion into an FCC product stream including upgraded fuel products. The FCC product stream may be distilled into various streams including naphtha, light...

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Abstract

Methods for co-processing pyrolysis oil streams and fuel processing apparatuses are provided. In one example, a method for co-processing a pyrolysis oil stream and a hydrocarbon stream is provided. The method includes mixing the pyrolysis oil stream and the hydrocarbon stream with a surfactant to form an emulsion. The method introduces the emulsion to a reaction zone in an fluid catalytic cracking (FCC) unit. The method includes contacting the emulsion with a catalyst in the reaction zone to form an FCC product stream.

Description

TECHNICAL FIELD[0001]The technical field generally relates to methods and apparatuses for co-processing pyrolysis oil. More particularly, the technical field relates to methods and apparatuses for co-processing pyrolysis oil with another feedstock stream in a Fluid Catalyst Cracking (FCC) unit to form an FCC product stream containing renewable components.BACKGROUND[0002]As the demand for fuel increases worldwide there is increasing interest in sources other than petroleum crude oil for producing fuel. Specifically, biological sources are being investigated for use in supplementing or replacing petroleum crude oil as the primary feedstock in hydrocarbon processing. Bio-derived sources include biomass, such as plant oils including corn, rapeseed, canola, soybean and algal oils; animal fats such as tallow, fish oils and various waste streams such as yellow and brown greases; and sewage sludge. Bio-derived sources also include carbon-based products formed by engineered organisms, such a...

Claims

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Application Information

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IPC IPC(8): C10G11/00C10G3/00
CPCC10G3/42C10G11/00C10G11/18C10G33/04C10G2300/1055Y02P30/20
Inventor RAY, ANJANBANERJEE, SOUMENDRA MOHAN
Owner UOP LLC
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