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Method for preparing bio-oil from microalgae and clay oil through pyrolysis and system of method

A technology of clay oil and bio-oil, which is applied in the preparation of liquid hydrocarbon mixtures, the petroleum industry, and the treatment of hydrocarbon oils. It can solve the problems of waste of resources, insufficient and reasonable development and utilization, and environmental pollution, and achieve high yield and quality. Enhanced effect

Pending Publication Date: 2019-08-30
JIANGSU UNIV
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Problems solved by technology

Over the years, most oil factories have disposed of oil-containing waste white clay by burying it, which has not been fully and rationally developed and utilized, resulting in waste of resources and environmental pollution. Comprehensive utilization of waste white clay is of great significance

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  • Method for preparing bio-oil from microalgae and clay oil through pyrolysis and system of method
  • Method for preparing bio-oil from microalgae and clay oil through pyrolysis and system of method

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Embodiment Construction

[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0025] like figure 1 As shown, a method for preparing bio-oil by pyrolysis of microalgae and clay oil, the microalgae is dried, and the moisture content of the dried microalgae is 10% to 20%; the dried microalgae is crushed and sieved, and selected Small microalgae particles with a length or diameter less than 50mm, and large microalgae particles that do not meet the size requirements are crushed and sieved again; the small microalgae particles and clay oil are mixed according to the mass ratio (1:1, 1:2, 1:3, 2:1 or 3:1) after stirring and mixing to obtain algae oil slurry, input the algae oil sl...

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Abstract

The invention discloses a method for preparing bio-oil from microalgae and clay oil through pyrolysis. The method comprises the following steps: drying microalgae, crushing and screening the dried microalgae so as to obtain microalgae granules of expected sizes, stirring and mixing the microalgae granules with clay oil according to a ratio so as to obtain microalgae oil slurry, conveying the microalgae oil slurry into a fluidized bed, and carrying out pyrolysis at a set pyrolysis temperature under the action of a catalyst, so as to obtain the bio-oil. By adopting the method, on the basis of waste clay oil is comprehensively utilized, pores of the catalyst are not easily blocked by the microalgae in the pyrolysis process, the catalyst can be prevented from deactivation, then the catalyst iscapable of sufficiently catalyzing reactions, and the reactions can be thorough.

Description

technical field [0001] The invention belongs to the technical field of preparing fuel oil from microalgae, and in particular relates to a method and a system for preparing bio-oil by pyrolyzing microalgae and clay oil. Background technique [0002] Algae are a type of photoautotrophic single-celled organisms that can capture solar energy and carbon dioxide through photosynthesis, and at the same time use nutrients such as nitrogen and phosphorus in water to achieve rapid growth and reproduction. Moreover, algae have abundant resources, a wide variety, high photosynthetic efficiency, and efficient CO fixation. 2 , fast growth and strong adaptability, it has become the key research object of future energy. Algae mainly contain organic components such as protein, lipid and sugar, and its unique chemical composition and structural characteristics make it an excellent raw material for producing bio-oil. The performance parameters of the bio-oil prepared by co-pyrolysis of micro...

Claims

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Application Information

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IPC IPC(8): C10G1/08
CPCC10G1/08C10G2300/1011
Inventor 王爽郑海涛曹斌袁川
Owner JIANGSU UNIV
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