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A subcritical fluid continuous isobaric extraction and separation device system and extraction and separation process

A subcritical fluid, extraction technology

Active Publication Date: 2021-05-14
SHANDONG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to overcome the defects existing in the existing subcritical fluid extraction device, and provide a subcritical fluid continuous isobaric extraction and separation device system and extraction and separation process

Method used

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  • A subcritical fluid continuous isobaric extraction and separation device system and extraction and separation process
  • A subcritical fluid continuous isobaric extraction and separation device system and extraction and separation process
  • A subcritical fluid continuous isobaric extraction and separation device system and extraction and separation process

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Embodiment 1

[0070] Embodiment 1: A subcritical fluid multi-stage continuous isobaric extraction and separation device system and process flow, such as figure 1 , figure 2 , Figure 6 , Figure 7 , Figure 11 shown.

[0071] A subcritical fluid multi-stage continuous isobaric extraction and separation device system consists of subcritical fluid medium source 5, pressurization subsystem 4, continuous extraction subsystem 1, first-stage separation subsystem 3-1,...,N-1 Stage separation subsystem 3-(N-1), N-stage separation subsystem 3-N, 1-stage pressurized cycle subsystem 2-1, ..., N-1 stage pressurized cycle subsystem 2-(N-1) Consists of an N-stage pressurized circulation subsystem 2-N, N is the total number of stages of step-by-step pressurization or extraction in the system, and N is greater than 2. The step-by-step extraction and step-by-step pressurization of subcritical fluids in the system of this embodiment coincide.

[0072] The subcritical fluid medium source 5 is composed ...

Embodiment 2

[0106] Embodiment 2: A subcritical fluid single-stage continuous isobaric extraction and separation device system and process flow, such as figure 1 , figure 2 , Figure 4 , Figure 6 , Figure 7 , Figure 10 , Figure 11 shown.

[0107] A subcritical fluid single-stage continuous isobaric extraction and separation device system consists of a subcritical fluid medium source 5, a pressurized subsystem 4, a continuous extraction subsystem 1, and a first-stage separation subsystem 3-1, ..., N-1 fractions Ion system 3-(N-1), N-level separation subsystem 3-N and 1-level pressurized circulation subsystem 2-1, ..., N-1-level pressurized circulation subsystem 2-(N-1), N The stage pressurization circulation subsystem is composed of 2-N, N is the total number of stages of step-up pressurization or extraction in the system, N is greater than 2, the subcritical fluid extraction in the system of this embodiment and the Nth pressure stage of step-by-step pressurization coincide.

...

Embodiment 3

[0132] Embodiment 3: a subcritical fluid multi-stage continuous isobaric extraction and separation device system and process flow for supercritical fluid pre-extraction, such as figure 1 , figure 2 , image 3 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 11 shown.

[0133] A subcritical fluid multi-stage continuous isobaric extraction and separation device system for supercritical fluid pre-extraction consists of subcritical fluid medium source 5, pressurization subsystem 4, continuous extraction subsystem 1, first-stage separation subsystem 3-1,... , N-1 stage separation subsystem 3-(N-1), N-stage separation subsystem 3-N and 1-stage pressurized cycle subsystem 2-1,..., N-1 stage pressurized cycle subsystem 2-( N-1), N-level pressurized circulation subsystem 2-N constitutes, N is the step-by-step pressurization or extraction total number of stages in the system, N is greater than 2, the supercritical fluid and the subcritical fluid in this embodiment syste...

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Abstract

The invention relates to the field of chemical separation and bioengineering mechanical equipment, in particular to a subcritical fluid continuous isobaric extraction and separation device system and extraction and separation process, the device system consists of a subcritical fluid medium source, a pressurized subsystem, and a continuous extraction subsystem 1. The separation subsystem and the pressurization circulation subsystem are composed of the same step-by-step pressurization or step-by-step extraction stages of the continuous extraction subsystem. Applying the extraction and separation process implemented by this device system, through the systematic process operation, the extracted subcritical fluid or supercritical fluid in the silo after the extraction is completed enters the corresponding separation subsystem to start separation, and the discharge valve is opened periodically, Unload the extract separated by the separation subsystem. The technology device of the invention has high degree of automation, reliable operation, reasonable process flow of the device system, and realizes sub-extraction separation such as continuous subcritical fluid, energy saving and zero emission, excellent manufacturability, and excellent separation effect.

Description

[0001] 1. Technical field [0002] The invention relates to the fields of chemical separation and bioengineering machinery equipment, in particular to a subcritical fluid continuous isobaric extraction and separation device system and an extraction and separation process. [0003] 2. Technical background [0004] Subcritical fluid extraction and separation technology is another green chemical technology following supercritical fluid extraction and separation technology, and is being widely used in the field of extraction and separation. However, most of the existing subcritical fluid extraction devices are intermittent devices with quick-opening and sealed structures, which have low production efficiency and high energy consumption; frequent opening of the extractor has low safety and reliability and causes a great loss of extraction fluid, which is a serious constraint. application of this new technology. [0005] The Patent Office of the State Intellectual Property Office of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D11/02
CPCB01D11/0203B01D11/0284
Inventor 王威强李飞曲延鹏李爱菊李冠忠李守军
Owner SHANDONG UNIV
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