Plant strengthened microorganism purification system for flue gas treatment

A technology for microbial purification and flue gas purification, applied in the environmental field, can solve the problems that microbial reactors cannot be used at the same time, microorganisms are difficult to achieve growth effect, and cannot meet processing requirements, etc. Precisely controlled effects

Inactive Publication Date: 2016-06-22
BEIJING UNIV OF CHEM TECH
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Problems solved by technology

The first is that the microbial treatment efficiency is low and cannot meet the treatment requirements; the second is that it is difficult for the microorganisms to achi

Method used

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  • Plant strengthened microorganism purification system for flue gas treatment
  • Plant strengthened microorganism purification system for flue gas treatment

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Embodiment

[0027] Example: such as Figure 1~2 The process flow chart and equipment diagram for SO treatment 2 , NO X The concentration is 500mg / m 3 smoke. The filler is a mixture of ordinary soil, coconut shell fiber, peat soil and compost, with a mass ratio of 1:1:1:1 and a bulk density of 500kg / m 3 , the height of the filler is 50cm, the diameter of the filler is 10cm, and it is divided into 4 layers. The plant is ryegrass. The empty bed residence time of flue gas is 25s. The surfactant added in the used nutrient is rhamnolipid, the mass concentration is 0.1%, and contains trace amounts of nitrogen, phosphorus, potassium and other fertilizers. The amount of nutrient solution spraying and light are often adjusted according to the purification situation. Before starting the decontamination, inject SO after sowing ryegrass 2 , NO X The concentration is 50mg / m 3 The flue gas domesticates the microorganisms, and after 20 days, the flue gas concentration is changed to 500mg / m 3 ,...

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Abstract

The invention relates to the technical field of environments, in particular to a plant strengthened microorganism purification system for flue gas treatment and an arrangement method thereof. The purification system comprises a flue gas collecting device, a flue gas humidifying device, plant light-supplementing devices, nutrient solution spraying and collecting devices, a flue gas purification device and an automatic control device, wherein the flue gas collecting device consists of a gas collecting cover, pipelines and a fan, the flue gas purification device is composed of multiple layers of fillers, the internal filler is inoculated with purification bacterial strain, and plants with developed root systems are planted in the surface-layer filler. The plant strengthened microorganism purification system adopts the mode that the plants and microorganisms promote growth mutually, has very strong pertinence to sulfur-containing and nitrogen-containing flue gas purification and has a deodorization function, a system control device achieves accurate control of the purification device, the service life of the biological purification system is prolonged, and the using range of the system is widened. The plant strengthened microorganism purification system has the advantages of being simple in process, low in cost, high in efficiency, wide in using range, clean, environmentally friendly and the like.

Description

technical field [0001] The invention relates to the field of environmental technology, in particular to a plant-enhanced microbial purification system for flue gas treatment and a setting method thereof. Background technique [0002] With the continuous development and prosperity of my country's energy and chemical industry, the discharge of industrial waste gas has seriously affected the environment and human health. Among them, the pollution caused by the flue gas produced after coal combustion has been paid more and more attention by people. Coal is one of the main conventional energy sources in my country, and the flue gas produced after its combustion contains a large amount of SO 2 , NO X , CO 2 etc., because of its huge emissions, it will cause great harm to the environment, cause global warming, cause acid rain, cause photochemical smog, etc., seriously endangering human health and the environment on which we depend. [0003] People's research on flue gas desulfu...

Claims

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Application Information

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IPC IPC(8): B01D53/84B01D53/60
CPCB01D53/60B01D53/84B01D2251/95B01D2257/302B01D2257/40B01D2257/402B01D2257/404B01D2258/0283Y02A50/20Y02C20/10
Inventor 林爱军焦春磊杨晓进徐仲均
Owner BEIJING UNIV OF CHEM TECH
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