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Biogas-microalgae combined ecological treatment system and application thereof

A technology for treating system and microalgae, applied in the field of ecology and environmental protection

Pending Publication Date: 2017-09-08
四川省天惠能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no economical and environmentally friendly biogas slurry treatment method

Method used

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  • Biogas-microalgae combined ecological treatment system and application thereof
  • Biogas-microalgae combined ecological treatment system and application thereof
  • Biogas-microalgae combined ecological treatment system and application thereof

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Embodiment 1

[0060] In 2014, the present invention used microalgae to treat biogas slurry and achieved success. The project is located in a pig farm in Daying County, Suining City, Sichuan Province. Tianhui Energy Technology Co., Ltd. has built a manure multiphase flow biogas comprehensive treatment system. The process flow chart of the multiphase flow biogas treatment system of Suining Daying Farm is as follows image 3 shown.

[0061] Construction started in early 2015, in which manure is used as raw material, biogas is produced with multiphase flow biogas technology, and biogas slurry is treated with a three-stage aerobic system. The project started operation at the end of 2015. The operation results show that the multiphase flow biogas system circulates normally, and various technical indicators exceed the traditional biogas digesters by more than 30%. However, because the biogas slurry contains a large amount of ammonia, nitrogen, phosphorus and salts, and the content of BOD and CO...

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Abstract

The invention relates to a biogas-microalgae combined ecological treatment system and application thereof, and belongs to the technical field of ecological environmental protection. The biogas-microalgae combined ecological treatment system provided by the invention comprises a biogas treatment system and a microalgae growth and propagation system, wherein biogas treatment system comprises a biogas generating pit (4); the microalgae growth and propagation system comprises a microalgae growth and propagation device (16); the microalgae growth and propagation device comprises a flue gas microalgae photosynthesis system; and the biogas and biogas slurry generated by the biogas generating pit (4) are input into the microalgae growth and propagation device (16). A product produced by the system provided by the invention through an ecological technology is applied to agriculture to ensure that organic crops can be produced without fertilization and agricultural chemical spraying, so that a system for organic waste treatment and organic ecological agriculture is established. Moreover, the system provided by the invention has the advantages of small occupation area, high efficiency of biogas slurry treatment and good economic benefits.

Description

technical field [0001] The invention relates to the technical field of ecological environmental protection, in particular to a combined biogas-microalgae ecological treatment system and its application. Background technique [0002] The construction of ecological civilization has become a national development strategy. Energy conservation and emission reduction, air treatment, water environment treatment, waste treatment, utilization of clean energy, eating ecological food, enjoying green water, green mountains and fresh air have become the development strategy of the country and the life ideal of the general public. [0003] Biogas is produced by methane bacteria, which is a high-quality clean energy. Methanogens belong to microorganisms. As early as 3.5 billion years ago, methanogens were produced. It is a natural technology used by nature to deal with waste. In modern society, people use methane bacteria to treat organic waste, such as human and livestock manure, urban ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M1/107C12M1/00C12R1/89
CPCC12M21/02C12M21/04C12M23/34C12M43/04Y02E50/30
Inventor 赖泽民余南阳
Owner 四川省天惠能源科技有限公司
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