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Method for manufacturing bio-liquid fuel

A technology for biological liquids and manufacturing methods, which is applied to liquid carbon-containing fuels, fuels, chemical instruments and methods, etc., can solve the problems of oil separation, time-consuming and labor-intensive refining, etc., and achieve excellent results of the method.

Pending Publication Date: 2020-05-29
NIPPON SODA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the invention of Patent Document 2, in particular, if the microalgae are reacted in a state containing water without drying the microalgae as shown in Examples 1 and 2, a very large amount of solid content remains after the reaction, separation of oil components, Refining time-consuming and labor-intensive problems

Method used

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  • Method for manufacturing bio-liquid fuel
  • Method for manufacturing bio-liquid fuel
  • Method for manufacturing bio-liquid fuel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] A stainless steel tube (SUS316, 1 / 2 inch in outer diameter, 2.1 mm in thickness, 15 cm in length) equipped with a high-pressure needle valve via a stainless steel tube (SUS316, 1 / 8 inch in outer diameter) at one end was used as a batch reaction vessel. About 0.56 g of chlorella vulgaris (C. vulgaris) powder (manufactured by Chlorella Industry Co., Ltd., average particle size: 76 μm), 4.0 g of anhydrous methanol, and 0.028 g of α-alumina as a catalyst were put into a reaction container.

[0065] The batch reaction container was immersed in a molten salt bath previously heated to 385° C., and after 60 minutes, the reaction container was lifted from the molten salt bath and rapidly cooled to room temperature with running water.

[0066] The generated gas was recovered using an air bag, and the volume was measured by the water displacement method.

[0067] The solid product was recovered by filtering the liquid product using filter paper.

[0068] The liquid product was ex...

Embodiment 2

[0071] It carried out similarly to Example 1 except having used zirconia as a catalyst.

[0072] show the result in figure 2 with Figure 4 .

Embodiment 3

[0074] As a catalyst, it carried out similarly to Example 1 except having used zirconium tungstate.

[0075] show the result in figure 2 with Figure 4 .

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Abstract

A method for manufacturing a bio-liquid fuel, said method comprising contacting oil-containing microalgae with supercritical or subcritical methanol or supercritical or subcritical ethanol in the presence of a catalyst which is an oxide containing at least one kind of metal selected from the group consisting of metals of groups IIA to IIIA in the periodic table, lanthanoids and actinoids.

Description

technical field [0001] The invention relates to a manufacturing method of biological liquid fuel. [0002] This application claims priority based on Japanese Patent Application No. 2017-200111 for which it applied in Japan on October 16, 2017, and uses the content here. Background technique [0003] The trend of utilizing fatty acid methyl esters obtained by reacting vegetable oils with methanol as bioliquid fuels is expanding. As a method of producing fatty acid methyl ester from vegetable oil, a method of performing transesterification using a base catalyst such as NaOH or KOH in addition to vegetable oil and methanol is well known. However, this alkali catalyst method has a problem in that free fatty acid components contained in fats and oils react with the alkali catalyst to by-produce soap. In order to solve this problem, Patent Document 1 proposes to react the alcohol with the vegetable oil under the condition that the alcohol is in a supercritical state. [0004] I...

Claims

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Application Information

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IPC IPC(8): C10L1/02B01J21/04B01J21/06B01J23/30C07C67/03C07C69/24C07C69/52C11C1/00C11C3/10
CPCB01J21/04B01J23/30C07C67/03C10L1/02Y02P20/54B01J21/066C11C3/003C11B1/104C07C69/58C07C69/587C07C69/24B01J21/18C10L2200/0484C11C1/06C11C3/10
Inventor 小宫山政晴
Owner NIPPON SODA CO LTD
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