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Microalga-based biomass refining method and system for implementing microalga-based biomass refining method

A biomass and microalgae technology, which is applied in the preparation of biological raw materials, biofuels, liquid hydrocarbon mixtures, etc., can solve problems such as chemical structure, pyrolysis characteristics differences, and pyrolysis equipment development and pyrolysis products.

Pending Publication Date: 2019-03-22
石首市博锐德生物科技有限公司
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Problems solved by technology

However, the main biochemical components of microalgae are oils, proteins and polysaccharides, and their chemical structures and pyrolysis characteristics are significantly different, which poses many obstacles to the development of pyrolysis devices and the improvement of subsequent pyrolysis products.

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Embodiment Construction

[0020] Refer below Figure 1-Figure 2 A microalgae-based biomass refining method according to an embodiment of the present invention is described.

[0021] like figure 1 and figure 2 As shown, the microalgae-based biomass refining method according to the embodiment of the present invention includes the following steps: S1, pretreating the microalgae to obtain dry algal powder, wherein the pretreatment includes: cultivating the microalgae in a culture tank, The microalgae in the culture tank are dried to obtain dry algae powder. The cultivation pool includes an algae seed inlet, waste water inlet and microalgae outlet, the dryer includes a microalgae inlet and an algae powder outlet, and the microalgae outlet is connected with the microalgae inlet of the dryer. Through the above pretreatment, the microalgae can be processed into dry algae powder, which can facilitate the subsequent extraction and pyrolysis steps.

[0022] Among them, the moisture content of the microalgae ...

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Abstract

The invention discloses a microalga-based biomass refining method and a system for implementing the microalga-based biomass refining method. The method comprises the following steps: S1, pretreating microalgae to obtain dry alga powder; S2, separating components of the dry alga powder to obtain alga oil, proteins and polysaccharides; and S3, performing pyrolysis on the alga oil for upgrading to obtain diesel, performing pyrolysis on the proteins for upgrading to obtain aromatic hydrocarbons, and performing pyrolysis on the polysaccharides for upgrading to obtain gasoline. Therefore, by adopting the microalga biomass as a raw material source, the refining method also realizes co-production of multiple oil products such as gasoline, diesel and kerosene on the basis of realizing co-productionof coke, fuel gas and oil products, and promotes the conversion from the petroleum-based refining industry to the bio-based refining industry. Furthermore, the refining method can select different raw materials for different needs of gasoline, diesel and kerosene in actual production activities, thereby flexibly adjusting the yields of bio-based liquid fuels and greatly improving the economy.

Description

technical field [0001] The invention relates to the technical field of microalgae treatment, in particular to a microalgae-based biomass refining method and a system for implementing it. Background technique [0002] With the deterioration of the global warming effect and the increasing shortage of fossil energy, the research on bio-based liquid fuels has received more and more attention. As a third-generation biofuel raw material, microalgae biomass has a fast growth cycle, CO 2 It has the characteristics of high fixation efficiency, photosynthetic efficiency significantly higher than that of terrestrial plants, and high oil content. However, biomass itself has low energy density and is incompatible with the existing liquid fuel transportation and utilization system. Therefore, converting solid microalgae biomass into liquid fuel is one of the necessary ways to utilize it. Pyrolysis is a relatively mature technology in liquefaction technology. However, the main biochemi...

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Application Information

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IPC IPC(8): C11B1/04C11B1/10C10G3/00
CPCC10G3/00C11B1/04C11B1/10Y02P30/20Y02E50/10
Inventor 胡国卿李相宏
Owner 石首市博锐德生物科技有限公司
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