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System and method for high-efficiency low-carbon production of methanol protein

A technology for methanol protein and production method, which is applied in the field of industrialized production methods and systems of methanol protein, can solve the problems of large carbon source consumption, large consumption, emission and the like, and achieves the effects of improving economic benefits, increasing bacterial density, and increasing oxygen solubility

Pending Publication Date: 2022-08-02
江苏熙壤农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] (1) The consumption of water, electricity and gas in the fermentation production process is large, high-density fermentation cannot be realized, the production efficiency is low, and the production cost is high;
[0005] (2) The raw material methanol consumes a large amount of carbon sources and emits a large amount of CO 2 At the same time, the fermentation production process also emits a large amount of CO 2 , which constitutes a serious carbon emission problem

Method used

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  • System and method for high-efficiency low-carbon production of methanol protein

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] like figure 1 As shown in the figure, the high-efficiency and low-carbon production system for methanol protein includes an electrolysis unit, an oxygen-enriched air preparation unit, a refined methanol preparation unit, a methanol-protein synthesis unit, a methanol-protein drying unit, and a residual heat treatment unit, and the downstream of the electrolysis unit is respectively connected with oxygen-enriched air. A preparation unit and a refined methanol preparation unit, the downstream of the oxygen-enriched air preparation unit is sequentially connected to a methanol protein synthesis unit and a methanol protein drying unit, the downstream of the refined methanol preparation unit is connected to a methanol protein synthesis unit, and the residual heat treatment unit recovers the electrolysis unit, The reaction heat of the refined methanol preparation unit, and the low-pressure superheated steam obtained by processing is respectively input to the refined methanol pre...

Embodiment 2

[0044] The high-efficiency and low-carbon production method of methanol protein using the system described in Example 1, such as figure 1 As shown, using electrolytic hydrogen production as the raw material, the by-product oxygen and air are compounded to obtain oxygen-enriched air with an oxygen-enriched content of 30% to 70%, which is introduced into the fermenter to improve the metabolic efficiency of the bacteria and correspondingly improve the production of methanol protein. Efficiency; CO by-product of methanol protein synthesis 2 After decarbonization, capture, purification, compression and recovery, it is supplemented to participate in the reaction to synthesize methanol to achieve zero carbon emissions; the reaction heat of water electrolysis for hydrogen production and methanol synthesis is processed by waste heat boilers to generate low-pressure superheated steam for crude methanol rectification and subsequent methanol protein respectively. Dry, refined methanol is ...

Embodiment 3

[0058] The high-efficiency and low-carbon production method for methanol protein described in this embodiment specifically includes the following steps:

[0059] S0. The electrolysis unit adopts a pressurized shell type electrolytic cell, and the by-product CO produced by electrolysis of hydrogen production and methanol protein synthesis in the subsequent steps 2 Reaction to synthesize methanol to realize CO by-product of methanol protein synthesis 2 Recycling after purification and compression; oxygen-enriched air with an oxygen-enriched content of 30% to 70% is obtained by compounding the by-product oxygen of electrolytic hydrogen production with air, which is passed into the fermenter in the subsequent steps;

[0060] S1. Shake flask seed culture

[0061] Pichia pastoris HGD-01 strain was selected and inoculated into a test tube, 2% glucose was added as a carbon source, 2% tryptone was used as a protein, a plasticizer and water, and the shaker was shaken and cultured to ob...

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Abstract

The invention relates to the technical field of bioengineering, in particular to an industrial production method and system of methanol protein. Oxygen-enriched air with the oxygen content of 30%-70% is obtained by compounding oxygen which is a byproduct of electrolytic hydrogen production with air and is introduced into a fermentation tank, so that the metabolism efficiency of strains is improved, and the production efficiency of methanol protein is correspondingly improved by 1-3 times; a methanol protein synthesis byproduct CO2 is purified, compressed and recycled and then is supplemented to participate in methanol synthesis, so that zero carbon emission is realized; water electrolysis hydrogen production and methanol synthesis reaction heat are treated by the waste heat boiler, low-pressure superheated steam is generated and is respectively used for crude methanol rectification and subsequent methanol protein drying, and refined methanol is used for methanol protein synthesis, so that energy is fully utilized, and the device is more energy-saving and environment-friendly.

Description

technical field [0001] The invention relates to the technical field of bioengineering, in particular to a method and system for industrialized production of methanol protein. Background technique [0002] Methanol protein is a single-cell protein produced from methanol as a carbon source. The main components of methanol protein are crude protein, fat, lysine, methionine, cystine, minerals and vitamins, and the average content of crude protein is more than 70%. Methanol protein is called the second-generation single-cell protein. Compared with natural vegetable protein, methanol protein is richer in amino acids, minerals and vitamins. It can partially replace fish meal, soybean, meat and skimmed milk powder to feed poultry. The development of methanol protein is one of the important ways to solve the problem of protein shortage in my country's aquaculture and food industry, and it is of great significance to solve the problem of food security in my country. [0003] The pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P21/00C12N1/16C12M1/12C12M1/04C12M1/38C12M1/00C07C29/151C07C29/80C07C31/04C12R1/84
CPCC12P21/00C12N1/16C12M29/04C12M29/06C12M37/00C12M33/14C12M41/12C12M43/00C12M47/14C12M47/18C07C29/1518C07C29/80C07C31/04Y02P20/59
Inventor 陈芳赵纪军
Owner 江苏熙壤农业科技有限公司
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