BIODIESEL PRODUCTION SYSTEM COMPRISING PROCESS FOR PREPROCESSING HIGH ACID VALUE OIL USING BIODIESEL BY-PRODUCT

Title:

BIODIESEL PRODUCTION SYSTEM COMPRISING PROCESS FOR PREPROCESSING HIGH ACID VALUE OIL USING BIODIESEL BY-PRODUCT

Document Type and Number:

WIPO Patent Application WO/2021/107260

Kind Code:

A1

Abstract:

The present invention relates to a system for producing biodiesel after reducing the free fatty acid (FAA) content of oil and fat that contains a large amount (2.6 to 60%) of FAA (high acid value oil hereinafter), and more specifically, to a biodiesel production system comprising a process for preprocessing high acid value oil using a biodiesel by-product, the system comprising: a high acid value oil preprocessing reaction unit which, by mixing glycerin into high acid value oil, produces low acid value oil having a reduced FAA content (2.5% or less), and then discharges same; and a biodiesel synthesis reaction unit which comprises a low acid value reaction tank for mixing the low acid value oil, methanol and a catalyst, which have been injected therein, a precipitation tank for precipitating the glycerin and separating and discharging same, a methanol recovery tank for recovering the methanol, a washing tank for washing after the recovery of the methanol, a drying tank for removing water after the washing; and a biodiesel storage tank for storing biodiesel from which water has been removed in the drying tank.

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Inventors:

JANG HO-SEOP (KR)
LEE YUNG-GIL (KR)
KIM HYUN-HO (KR)

Application Number:

PCT/KR2019/018733

Publication Date:

June 03, 2021

Filing Date:

December 30, 2019

Export Citation:

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Assignee:

MOOJIN MACHINETOOL CO LTD (KR)

International Classes:

C07C67/08; C07C67/48; C07C69/30; C10L1/02; C10L1/182; C11B3/00

Foreign References:

KR20170043906A	2017-04-24
KR20170079306A	2017-07-10
KR101847780B1	2018-04-11
KR102043442B1	2019-11-11

Other References:

YANG, YOUNG-MI ET AL.: "Glycerol Separation from Biodiesel Byproduct", INDUSTRIAL SCIENCE, vol. 19, no. 6, 2008, pages 690 - 692

Attorney, Agent or Firm:

GO, Young-Su (KR)

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