Industrial tail gas recycling system

An industrial exhaust, energy-based technology, applied in the petroleum industry, through chemical separation, air quality improvement and other directions, can solve the problems of lack of reducing power and low efficiency, and achieve the effect of solving discontinuous supply and important use value.

Active Publication Date: 2013-07-31
GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] It can be seen from the above that although the synthesis gas fermentation strain has the unique ability to utilize CO in the tail gas, its efficiency is low, and under the condition of lack of reducing power, some CO 2 produce

Method used

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  • Industrial tail gas recycling system

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Embodiment 1

[0037] The industrial exhaust gas energy conversion system of this embodiment includes CO 2 Absorption device 1, CO 2 Absorption device 1 is connected with N 2 Separating device 13, CO 2 The separation device 2 is connected to the first deaeration column 7, and the first deaeration column 7 is also connected to the synthesis gas fermentation strain growth tank 8 and the synthesis gas fermentation strain fermentation tank 10, respectively. 2 The separation device 2 is connected to the microalgae culture device 3, the microalgae and microalgae culture liquid separation device 4, the microalgae separation device 5, the microalgae extraction diesel reactor 6 and the diesel output pipeline in turn, the microalgae culture device 3 and the microalgae and The microalgae culture liquid separation device 4 is also connected with a microalgae culture liquid return pipeline, the microalgae separation device 5 and the second deaeration column 12, the synthesis gas fermentation strain growth ta...

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Abstract

The invention discloses an industrial tail gas recycling system. In the industrial tail gas recycling system, a microalgae oil production device is organically coupled with a synthesis gas fermentation strain growth tank and a synthesis gas fermentation strain fermentation tank. By the industrial tail gas recycling system, CO2 and CO in the tail gas can be recycled effectively, so that two types of clean energy, namely ethanol and diesel, and a few of acetic acid by-products can be obtained. Thus, components of the industrial tail gas can be treated fully through a biologic mode, energy is recycled; therefore, pollution of industrial tail gas emission to the environment can be relieved; and the industrial tail gas energy recycling system has significant use value.

Description

Technical field: [0001] The invention belongs to the field of waste gas treatment and clean energy development, and mainly relates to a system for energy utilization of industrial tail gas. Background technique: [0002] Industrial plants emit large amounts of carbon and oxygen compounds into the atmosphere each year, which not only wastes energy but also puts huge pressure on the environment. Among them, the problem of carbon and oxygen emissions from energy-intensive industries such as the synthetic ammonia industry, petroleum refining industry, steel mills, and wood pulp and paper industry is particularly prominent. The carbon and oxygen compounds emitted by these industries place a heavy burden on the environment. [0003] Microalgae is a kind of rapid utilization of CO 2 , And at the same time produce oils and fats, it is widely used to produce biodiesel. In addition to the lipid content of microalgae itself, it also has rich sugars available for use, so microalgae is an ext...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/84B01D53/62C10G3/00C12P7/08C12P7/54C12P7/64C12R1/89C12R1/145C12R1/01
CPCY02C10/02Y02E50/13Y02C10/04Y02A50/20Y02C20/40Y02E50/10Y02P20/151Y02P20/59Y02P30/20
Inventor 郭颖许敬亮袁振宏庄新姝徐惠娟梁翠谊张宇亓伟王琼王忠铭吕鹏梅李东
Owner GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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