Method for preparing biofuel by using flue gases as raw materials

A technology for biofuels and flue gas, which is applied in the fields of botanical equipment and methods, fuels, horticultural methods, etc., can solve problems such as insufficient raw materials for biofuels

Inactive Publication Date: 2009-09-09
饶文涛 +1
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Problems solved by technology

[0006] This technology not only achieves the goal of greatly reducing carbon dioxide in the flue gas and rapid and large-scale cultivation of oily algae at low cost, but also solves the problems of greenhouse gas emission reduction and insufficient raw materials for biofuels

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  • Method for preparing biofuel by using flue gases as raw materials

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Embodiment Construction

[0013] The specific implementation process is to obtain through a special flue gas generation system. The flue gas is consistent with the flue gas composition of the steel plant heating furnace. The content of carbon dioxide can fluctuate between 2 and 20%. The flue gas is cooled to normal temperature through the cooler and enters the Closed photobioreactor, the photobioreactor is composed of many unit pipelines, which can realize the volume ratio of the area of ​​algae in contact with sunlight and the volume ratio of the photobioreactor to 1000m 2 / m 3 Above, seaweed is arranged in the unit pipeline, and water is passed through at the same time. The water can be industrial water. The photobioreactor is placed in the sun, and the intensity of light can be controlled by a special light regulator. During the growth of seaweed, according to Different formulations of culture solution are added according to the growth cycle. The pH value of the seaweed culture solution is between 6...

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Abstract

The invention belongs to the technical field of greenhouse gas emission reduction and biofuels and relates to a method for preparing a biofuel by using fuel gases as raw materials. Fuel gases emitted in large volume from power plants, steel plants and the like are used as the raw materials for producing the biofuel; in a specially designed bioreactor with light irradiation, rich carbon dioxide in the fuel gases are absorbed by seaweed through photosynthesis, and culture fluid is added at the same time to allow the seaweed to grow rapidly; and the produced seaweed can be converted to biodiesel and other fuels. The technology not only achieves the aims of dramatically reducing the carbon dioxide in the fuel gases and rapidly culturing a large amount of seaweed at low cost, but also solves the problems of greenhouse gas emission reduction and biofuel shortage. The method can be used as greenhouse gas emission reduction technology and used for producing biofuel oil containing seaweed as a by-product to obtain a biofuel for producing biodiesel at the same time in industries continuously emitting carbon dioxide containing flue gases, such as power plants, iron plants, and building material and cement industries.

Description

technical field [0001] The invention patent belongs to the technical field of greenhouse gas emission reduction and bioenergy preparation. Background technique [0002] my country's fuel structure is mainly coal, and industrial industries such as power plants and iron and steel plants are mainly fueled by coal or coal derivatives. The combustion produces a large amount of flue gas, which contains a large amount of greenhouse gases, such as carbon dioxide , causing the global greenhouse effect. However, there is currently no effective technology that can reduce carbon dioxide emissions from burning coal and other fossil fuels. The main technologies currently used include: burying carbon dioxide in waste oil wells or separating carbon dioxide from flue gas, such as the patented "removal of carbon dioxide from gas mixtures In addition to carbon dioxide" (application number: 90109635.0), etc., by using vanadate solution to remove CO in the gas mixture 2 method for removing CO f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/00A01G7/02A01G33/00
CPCY02A40/80Y02P60/20
Inventor 饶文涛饶宝其
Owner 饶文涛
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