Device for purifying livestock and poultry breeding wastewater by microalgae and method thereof

A technology for livestock and poultry breeding wastewater and microalgae, which is applied in chemical instruments and methods, animal husbandry wastewater treatment, and biochemical cleaning devices, etc. problems, to achieve the effect of shortening the production process, protecting the environment, and saving water for aquaculture

Active Publication Date: 2015-07-01
FUZHOU UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, the culture conditions in open ponds vary greatly, and there is serious pollution, which makes it impossible to achieve continuous and stable culture, and generally fails to achieve the purpose of high-density culture

Method used

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  • Device for purifying livestock and poultry breeding wastewater by microalgae and method thereof

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Embodiment Construction

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0022] Such as figure 1 As shown, a microalgae purification device for livestock and poultry breeding wastewater includes a biogas digester 1, an algae liquid mixing pool 2, a photobioreactor 3, a liquid storage tank 4, a collection pool 5 for flocculation treatment of algae liquid, and a collection process The clear water pool 6 for clean water, the biogas slurry tank 1 is connected to the algae liquid mixing pool 2 through the biogas slurry pipe 11, and the photobioreactor 3 includes a frame 31, and several longitudinal Stacked plate reactors 7, the bottom of the plate reactor 7 above the bottommost plate reactor 7 is provided with an overflow pipe 32 to allow the liquid to flow out from the upper plate reactor to the lower plate reactor, so The overflow pipe at the bottom of the bottom plate reactor 7 communicates with the liquid ...

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Abstract

The patent of the present invention relates to a large-scale use of microalgae to purify and treat livestock and poultry breeding wastewater and its application method. The system includes a pretreatment system for livestock and poultry breeding, a greenhouse system, a photobioreactor system, and an online detection of algal liquid concentration. system, collection system, water circulation system, temperature control system, lighting system. This patent uses the waste water produced in large-scale livestock and poultry breeding to prepare microalgae, which greatly reduces the production cost of cultivating microalgae. The nitrogen and phosphorus in the waste liquid are used as nutrients for microalgae cultivation, reducing various indicators in the waste water. , Purify sewage and improve water quality.

Description

technical field [0001] The invention relates to a microalgae purification device for livestock and poultry breeding wastewater and a method thereof. Background technique [0002] Energy crisis and water resource crisis are two major crises facing mankind in the 21st century, and they are the main problems restricting human development. Therefore, the development of economical, efficient, and renewable new energy sources is an urgent need for all countries in the world. Microalgae do not compete with food crops for land, have high oil content, high photosynthetic efficiency, strong environmental adaptability, large-scale scalability, and carbon capture. It is considered to be the best raw material for biodiesel production. At present, the main bottleneck faced by microalgae bioenergy technology is the high cost of obtaining biomass resources on a large scale. Therefore, how to reduce the production cost of microalgae biodiesel is an urgent problem to be solved. At present,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12M1/00C12N1/12C02F3/32C02F103/20
CPCY02E50/30
Inventor 林向阳李麒龙吴佳叶南慧
Owner FUZHOU UNIV
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