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A liquid-liquid extraction system and process for use thereof

An extraction and process technology, applied in the field of liquid-liquid extraction systems, which can solve the problems of complex machines, expensive investment and operation, etc.

Active Publication Date: 2015-09-30
SULZER MANAGEMENT AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such centrifugal machines are inherently expensive both in terms of investment and operation
Furthermore, it is a complex machine, and its high-speed rotation requires specialized mechanisms and entails safety and noise hazards

Method used

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  • A liquid-liquid extraction system and process for use thereof
  • A liquid-liquid extraction system and process for use thereof
  • A liquid-liquid extraction system and process for use thereof

Examples

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Embodiment Construction

[0049] figure 1 A schematic view of an embodiment of a liquid-liquid extraction system according to the invention is shown, which is designated as a whole with the reference number 1 . The extraction system 1 is not particularly limited as to form, shape, configuration or composition unless otherwise specified. Any material that can be used for fabrication can be supported by the extraction system 1 . For reasons of economy, the extractor may typically be made of FRP fiberglass reinforced plastic, stainless steel, Alloy 20, or any other material specified for a particular application. Depending on process requirements, the extraction system internals can be made of polypropylene or other plastics with low initial cost or any other material including metal. In one embodiment, the extraction system 1 and its components are constructed of metal, plastic, glass or mixtures thereof. Suitable metals include carbon steel, stainless steel, nickel alloys, copper alloys, titanium and...

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Abstract

A liquid-liquid extraction system (1) adapted for the flow of two or more liquids therein is disclosed. The system comprises a mixer settler sub-system (100) and a counter-current liquid-liquid extraction column (200). The sub-system (100) comprises one or more mixer settlers (110) connected in series, and the column (200) comprises either a mixing section (260) comprising an agitation means (261) and / or a static section (280) comprising an internal (281). The first outlet (131) of the mixer settler sub-system (100) is in fluid communication with the first inlet (221) of the column (200) and the second inlet (112) of the mixer settler sub-system (100) is in fluid communication with the second inlet (222) of the counter-current liquid-liquid extraction column (200). The invention further relates to a counter-current liquid-liquid extraction process for using said system 1. The present invention further relates also to the use of the system (5) or process in removing aromatic compounds from organic streams, in treating an oil stream of a refinery, or in a liquid-liquid extraction process having at least two feed streams of different viscosity, similar density, or low interfacial tension.

Description

Background technique [0001] The present invention relates to liquid-liquid extraction systems. The invention also relates to a process for using said system and the use or process of said system in the removal of aromatic compounds from organic streams, in the treatment of oil streams in refineries, or in the treatment of oil streams of different viscosities, In a liquid-liquid extraction process of at least two feed streams of similar density or low interfacial tension. [0002] Liquid-liquid extraction (also known as solvent extraction and separation) is a method of separating compounds based on their relative solubilities in two different immiscible liquids, usually water and an organic solvent. Extraction of a substance from one liquid phase into another is extraction and is of value in the separation and purification of products, for example in separation purification tests following a chemical reaction or in removal from waste or by-product streams in various or industr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D11/04
CPCB01D11/043B01D11/0457B01D11/0434B01D11/0488B01D2011/002B01D21/0039B01D21/10B01F23/453
Inventor J.科克J.R.赫吉于拉
Owner SULZER MANAGEMENT AG
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