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Continuous process for isolation of oils from algae or micro organisms

A technology of microorganisms and processes, which is applied in the field of continuous processes for separating oil from algae or microorganisms, and can solve problems such as oil extraction

Inactive Publication Date: 2013-11-27
ALFA LAVAL CORP AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another puzzle is how to extract oil from algae cells
The third question is how to make this process more economical

Method used

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  • Continuous process for isolation of oils from algae or micro organisms
  • Continuous process for isolation of oils from algae or micro organisms
  • Continuous process for isolation of oils from algae or micro organisms

Examples

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Embodiment Construction

[0030] figure 1 An example of a centrifugal separator is disclosed which comprises a rotor body 1 capable of rotating at a certain speed around a vertical axis of rotation R and a screw conveyor 2 arranged inside the rotor body 1 and capable of rotating around the same The axis of rotation R rotates at a speed different from that of the rotor body 1 .

[0031] The centrifugal separator is intended to be suspended vertically in the manner indicated by WO99 / 65610. The equipment necessary for suspending and driving the centrifugal separator is therefore not described here.

[0032] The rotor body 1 has a substantially cylindrical upper rotor part 3 comprising or connected to a hollow rotor shaft 4 , and a substantially conical lower rotor part 5 . The rotor parts 3 and 5 are connected to each other by screws 6 and define a separation chamber 7 . Alternative attachment mechanisms are of course also available.

[0033]A further hollow shaft 8 extends into the rotor body 1 via t...

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Abstract

The present invention relates to a continuous process for isolation of oils from a micro organism slurry or an algae slurry comprising feeding the slurry into a three phase centrifugal separator having a stack of separating discs and operating under force of at least 4500 G, preferably under a force of at least 5000 G, obtaining three phases: one oil phase, one liquid phase and one bio-organic phase. The present invention relates also to use of the process for production of bio-diesel or bio-fuels.

Description

technical field [0001] The present invention relates to a process for isolating oil from algae or microorganisms, and the use of this process for the manufacture of biodiesel or biofuel. Background technique [0002] Most algae that are intentionally cultivated belong to the category of microalgae, which are also known as phytoplankton, microphytes, or phytoplankton. Macroalgae, commonly referred to as seaweed, have many commercial and industrial uses, but due to their size and the specific requirements of the environment in which they need to grow, they are not suitable for easy cultivation, but they are nonetheless included in the present invention. care. Commercial and industrial purposes of algae cultivation are for the manufacture of bioplastics, dyes, colorants, raw materials, pharmaceuticals, pollution control, algae fuels that can be converted into biodiesel and biofuels. Thus, a large number of substances can be isolated from algae and there is a great deal of com...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B1/02C11B1/04B04B1/20
CPCB04B1/20Y02E50/13C11B1/025B04B2001/2066C11B1/04Y02E50/10C10L1/02C11B1/00C12N1/02C12N1/06
Inventor C·瓦塞R·里德斯特拉尔
Owner ALFA LAVAL CORP AB