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Process for preparing fine algae cultivation coupling biological diesel oil refining

A technology for biodiesel and microalgae cultivation, applied in the direction of microorganism-based methods, biochemical equipment and methods, microorganisms, etc., can solve the problems of high raw material costs and high prices, and achieve the goals of reducing procurement costs, avoiding damage, and saving procurement costs Effect

Inactive Publication Date: 2009-02-18
王彤
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Problems solved by technology

However, feedstock supply and prices have become the most thorny issues as higher feedstock costs make biodiesel more expensive than petrodiesel

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  • Process for preparing fine algae cultivation coupling biological diesel oil refining

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings and the embodiments given in the accompanying drawings. The manufacturing techniques of the present invention are easily implemented by those skilled in the art.

[0021]Referring to Fig. 1, the key equipment for microalgae cultivation coupled with biodiesel refining adopts the air-pushed photobioreactor (air-pushed photobioreactor. Chinese invention patent, application number: 200810039168.8; Microalgae industrial production device and method for producing microalgae. Chinese invention patent, application number: 200810038075.3), biodiesel refining equipment (multifunctional reactor for biodiesel production and its operation method. Chinese invention patent, application number: 200810039167.3), wherein, the manufacturing method of the small-scale air-push photobioreactor is "Air-push photobioreactor. Chinese invention patent, application number: 200810039168.8" previousl...

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Abstract

The invention relates to the fields of microalgae culturing project, biodiesel refining and environment protection, in particular to a production method for refining the biodiesel through microalgae culturing and coupling. In the method, carbon dioxide industrial waste water and eutrophicated surface water or industrial waste water is used as main material to extensively culture the microalgae containing oil, and microalgae oil is used as the material to refine the biodiesel and simultaneously realize the drainage reducing of carbon dioxide, the control of polluted water and the cleaning production of biodiesel. The method is characterized in that the waste gas of carbon dioxide and the eutrophicated water are firstly used to culture and collect the microalgae; and then extraction, pre-processing and interchange esterification reaction of microalgae is carried out. In the invention, the two processing of culturing the microalgae and refining the biodiesel are coupled together; the ''three wastes'' and waste heat generated during the reefing process of the biodiesel and the unsalable outgrowth of crude glycerine are used as the materials and the heat source for culturing the microalgae; therefore, not only the production cost is reduced, but also the discharge of the ''three wastes'' is eliminated.

Description

[technical field] [0001] The invention relates to the fields of microalgae cultivation engineering, biodiesel refining and environmental protection, in particular to a production method for microalgae cultivation coupled with biodiesel refining. [Background technique] [0002] With the rapid development of the world economy, fossil fuels can no longer meet the needs of world economic development. Especially in recent years, the international oil price has soared sharply, which has an increasing impact on the economies of various countries. As an important petroleum refining product, diesel oil has increased its share in the fuel structure of various countries year by year. With the acceleration of the trend of vehicle dieselization worldwide, the demand for diesel will increase in the future. In addition to the world's energy shortage and rising diesel prices, as well as the increasing improvement of environmental protection regulations in various countries, raw materials a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P7/64C12R1/89
CPCY02E50/13Y02E50/10Y02P20/129
Inventor 蔡志武
Owner 王彤
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