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Beta-carotene fermentation liquor filtration and extraction process and equipment

A technology of carotene and fermented liquid, which is applied in the chemical industry, sustainable manufacturing/processing, climate sustainability, etc., can solve the problems of poor filtration effect and low extraction efficiency, reduce moisture content, increase extraction yield, Effect of reducing fugitive emissions

Pending Publication Date: 2021-12-28
BINZHOU JINLANG BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems of poor filtering effect and low extraction efficiency of the existing β-carotene fermentation liquid, the present invention provides a filtration and extraction process of β-carotene fermentation liquid, which reduces the water content and impurities of mycelium after filtration, and realizes Multiple high-efficiency solid-liquid extractions and improved solvent recovery

Method used

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  • Beta-carotene fermentation liquor filtration and extraction process and equipment

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Such as figure 1 As shown, a filtering and extracting equipment for β-carotene fermentation liquid, comprising sequentially connected tubular membrane filter 1, acidification tank 2, high-pressure plate and frame filter 3, multifunctional extraction tank 4; the inner wall of multifunctional extraction tank 4 A steam jacket 41 is arranged on the top, a filter jacket 42 is arranged at the lower part of the multifunctional extraction tank 4, and an extraction liquid outlet 43 is arranged outside the filter jacket 42, and the extraction liquid outlet 43 is connected to the extraction liquid tank 5, and the lower end of the multifunctional extraction tank 4 is provided with There is a discharge port 44, and the discharge port 44 is connected to the screw slag discharger 6.

Embodiment 2

[0043] A process for filtering and extracting beta-carotene fermented liquid, comprising the steps of:

[0044] filter:

[0045] (1) Get 5000L of fermented liquid, first filter the fermented liquid with a 50nm tubular membrane filter, discard the permeate, and obtain 1000L of concentrated liquid;

[0046] (2) washing the concentrated solution from the tubular membrane filter with water into the acidification tank;

[0047] (3) adding hydrochloric acid in the acidification tank to adjust the pH value of the concentrated solution to 1.13, and then adjusting the pH value to 4.01 with sodium hydroxide solution to obtain an acidification neutralization solution;

[0048] (4) Filter the acidified neutralization solution with a high-pressure plate frame, top wash with water, extrude, and unload to obtain 460 Kg of β-carotene fermentation mycelia (water content 38.9%).

[0049] extraction:

[0050] (1) Put the β-carotene fermented mycelia into a multi-functional extraction tank, ad...

Embodiment 3

[0053] A process for filtering and extracting beta-carotene fermented liquid, comprising the steps of:

[0054] filter:

[0055] (1) Get 5000L of fermented liquid, first filter the fermented liquid with a 50nm tubular membrane filter, discard the permeate, and obtain 2500L of concentrated liquid;

[0056] (2) washing the concentrated solution from the tubular membrane filter with water into the acidification tank;

[0057] (3) adding hydrochloric acid in the acidification tank to adjust the pH value of the concentrated solution to 1.93, and then adjusting the pH value to 6.95 with sodium hydroxide solution to obtain an acidification neutralization solution;

[0058] (4) Filter the acidified neutralization liquid with a high-pressure plate frame, top wash with water, extrude, and unload to obtain 435Kg of β-carotene fermented mycelium (water content 35.4%).

[0059] extraction:

[0060] (1) Put the β-carotene fermented mycelium into a multifunctional extraction tank, add 2175L...

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Abstract

The invention belongs to the technical field of fermentation liquor filtration and extraction, and particularly relates to a beta-carotene fermentation liquor filtration and extraction process and equipment, and the process comprises the following steps: filtering the fermentation liquor with a membrane to obtain a concentrated solution, carrying out top washing into an acidification tank, adding acid, then adding a sodium hydroxide solution to adjust the pH value to obtain an acidified neutralized solution, filtering the acidified neutralized solution with a high-pressure plate frame, and carrying out top washing with water, and discharging to obtain mycelia; and putting into a multifunctional extraction tank, adding an extraction solvent, pumping the extraction liquid into an extraction liquid tank, repeating the extraction operation, finally adding water into the extracted mycelia, recovering the extraction solvent, and conveying and collecting the mycelia. The equipment comprises a membrane filter, an acidification tank, a high-pressure plate frame filter and a multifunctional extraction tank which are sequentially connected, and the multifunctional extraction tank is connected with the extraction liquid tank and a spiral slag extractor. The process and equipment are effectively combined, the water content and impurities of mycelia are reduced after the fermentation liquor is filtered and extracted, efficient solid-liquid extraction is achieved, and the extraction yield and the solvent recovery rate are increased.

Description

technical field [0001] The invention belongs to the technical field of filtration and extraction of fermented liquid, and in particular relates to a filtration and extraction process and equipment for beta-carotene fermented liquid. Background technique [0002] In terms of fermentation broth filtration, plate and frame filtration is commonly used at present. The working process of plate and frame filtration is: the filtrate is pumped into each closed filter chamber of the filter machine, and under the action of working pressure, the filtrate passes through the filter membrane. Or other filter materials are discharged through the liquid outlet, and the filter residue is left in the frame to form a filter cake, so as to achieve the purpose of solid-liquid separation. Plate and frame filtration is more suitable for airtight filtration of liquids with lower viscosity and less slag content below 50% concentration to meet the requirements of fine and semi-fine filtration such as ...

Claims

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Application Information

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IPC IPC(8): C07C403/24
CPCC07C403/24Y02P20/10
Inventor 陈正杰张斌卢新方
Owner BINZHOU JINLANG BIOTECH
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