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BIODIESEL synthesis

A technology of biomass diesel and natural oil, applied in the field of equipment ships, can solve problems such as affecting the equilibrium position rate, affecting the total conversion degree of oil, etc.

Inactive Publication Date: 2014-02-05
RENEWABLE HLDG LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The inventors of the present invention have realized that if the reaction volume of the later reacting part is mixed by the reflux of the reaction volume of the earlier reacting part (upstream part of the tubular reactor), the reactants can be replaced with reaction products (glycerol and short chain Alcohol esters) dilution, which may deleteriously affect the equilibrium position and the rate at which it is achieved
[0017] Also, if there is a high level of mixing of reactants from different reaction stages of the process, there is a risk that some portion of the reaction volume will pass efficiently through the reactor before it has had time to fully react, again disadvantageous affects the overall degree of conversion of oil to methyl esters

Method used

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  • BIODIESEL synthesis
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0186] A stream of sunflower oil heated to 80° C. was fed at a flow rate of 30 L / h at a pressure of 4 bar gauge into a tubular reactor with a diameter of 6 mm.

[0187] The tubular reactor was insulated but not individually heated and had a length of 15 m. Kenics TM A KMX mixer element was placed in the reactor and filled 60% of the tube length.

[0188] A supply of KOH and methanol at room temperature was prepared and fed under pressure into the sunflower oil stream through nozzles extending at right angles to the direction of flow of the sunflower oil to create turbulent flow.

[0189] The mass ratio of sunflower oil to methanol flow rate was 4:1.

[0190] KOH and methanol were mixed initially at a weight ratio of 24.5 g solid KOH to 1 L dry methanol.

[0191] The residence time of the reaction mixture was 90 s.

[0192] Plug flow as measured by the method described above was maintained in excess of 90%.

[0193] The time it takes for 90% of the fluid components to pass...

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Abstract

A ship (200) comprises a first store (201) for storing a raw material used in the synthesis of biodiesel, a plant (202) for the synthesis of biodiesel and a second store (203) for storing the biodiesel synthesised. The ship may include heating means for supplying heat generated by the ship's engine (204) to the plant for synthesising biodiesel.

Description

[0001] This application is a divisional application of an invention patent application with an application date of October 19, 2007, an application number of 200780046989.8, and an invention title of "Synthesis of Biodiesel Diesel". technical field [0002] The present invention relates to a method and an apparatus for synthesizing biodiesel and a ship comprising an apparatus for synthesizing biodiesel. Background technique [0003] Biodiesel is produced by transesterification of animal or vegetable oils / fats. Such oils and fats include triglycerides containing long chain fatty acid moieties. In biodiesel synthesis, such triglycerides are transesterified with short chain alcohols, typically methanol and sometimes ethanol, although other alcohols can also be used. The reaction can be carried out in the presence of acidic or basic catalysts, generally speaking, basic catalysts are faster, of which the most commonly used are sodium hydroxide or potassium hydroxide. Typically,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J19/24C11C3/00
CPCB63J2099/003Y02E50/13B63J3/02B63B22/021B01J2219/00033B01J19/2405B63B35/44B63J2002/125B63B25/08B01J19/2415B63B2035/4473Y02T70/5263Y02E50/10Y02T70/50Y02T90/40
Inventor 欧文·马修·戴维斯理查德·大卫·杰克逊
Owner RENEWABLE HLDG LTD
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