Biochemical novel technology capable of realizing solar energy utilization

A solar and biological technology, applied in the fields of biosynthesis, waste fuel, energy input, etc., can solve the problems of difficulty in automatic control, increase system operation cost, increase labor management cost, etc., to reduce operational complexity and enhance engineering feasibility. performance, the effect of eliminating separation or concentration equipment

Active Publication Date: 2014-08-20
SHANGHAI JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method separates the microalgae and performs anaerobic fermentation, which leads to a substantial increase in engineering complexity and unacceptable operating costs
Moreover, the discharge of biogas residues makes it difficult to realize automatic control, increases the cost of manpower management, and also causes the system outflow of nutrient elements, greatly increasing its replenishment, thereby increasing the operating cost of the system

Method used

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  • Biochemical novel technology capable of realizing solar energy utilization
  • Biochemical novel technology capable of realizing solar energy utilization
  • Biochemical novel technology capable of realizing solar energy utilization

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Such as figure 2 As shown, the equipment adopted in the present embodiment comprises independently arranged photobioreactor 1, respiratory deaerator 2, anaerobic fermenter 3 and aerobic bioreactor 4, wherein in photobioreactor 1 there are make-up water and Nutrient elements (i.e. elements such as nitrogen, phosphorus and sulfur), respiratory deaerator 2 is a light-proof container, and the content of anaerobic microorganisms in anaerobic fermenter 3 is 60kgVSS / m 3 , the content of aerobic microorganisms in aerobic bioreactor 4 is 15kgVSS / m 3 .

[0047] The above-mentioned equipment is used to realize the new biochemical process of solar energy utilization, which specifically includes the following steps (such as figure 2 shown):

[0048] Step 1: Total 10000m in sunlight receiving area 2 And in the photobioreactor 1 with a thickness of 0.2m, the microalgae in the water can synthesize inorganic carbon dioxide, water and nutrient elements into their own organic matter...

Embodiment 2

[0054] Such as image 3 As shown, in the equipment used in this embodiment, the photobioreactor and the aerobic bioreactor are coupled together as an aerobic coupled photobioreactor 1', and also includes a respiratory deaerator 2 and an anaerobic fermenter 3, Among them, there are aerobic microorganisms in the aerobic coupled photobioreactor 1', as well as supplementary water and nutrients (i.e. elements such as nitrogen, phosphorus and sulfur), and the content of aerobic microorganisms is 8kgVSS / m 3 , the respiratory deaerator 2 is a light-proof container, and the anaerobic microorganism content in the anaerobic fermenter 3 is 45kgVSS / m 3 .

[0055] The above-mentioned device is used to realize the new biochemical process of solar energy utilization, which specifically includes the following steps (such as image 3 shown):

[0056] Step 1: Total 1000m in sunlight receiving area 2 And in the aerobic coupled photobioreactor 1' with a thickness of 0.2m, the microalgae in the...

Embodiment 3

[0061] Such as Figure 4 As shown, in the equipment used in this embodiment, the photobioreactor, respiratory deaerator and aerobic bioreactor are coupled together to form a multifunctional photobioreactor 1'', which also includes an anaerobic fermenter 3, wherein There are aerobic microorganisms in the multifunctional photobioreactor 1'', as well as supplementary water and nutrients (i.e. elements such as nitrogen, phosphorus and sulfur), and the content of aerobic microorganisms is 4kgVSS / m 3 , the content of anaerobic microorganisms in anaerobic fermenter 3 is 30kgVSS / m 3 .

[0062] Above-mentioned device is used for realizing the biochemical new technique of solar energy utilization, and this technique comprises the following steps (as Figure 4 shown):

[0063] Step 1: Total 100m in sunlight receiving area 2 And in the multifunctional photobioreactor 1'' with a thickness of 0.1m, the microalgae in the water can synthesize inorganic carbon dioxide, water and nutrients ...

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Abstract

The invention relates to a biochemical novel technology capable of realizing solar energy utilization. The method comprise the following steps: (1) microalgae in water synthesizes organic matters of the microalgae from inorganic substances of carbon dioxide, water and nutrient elements under a condition of sunlight radiation by photosynthesis, and a microalgae-containing suspension is obtained; (2) dissolved oxygen in water of the microalgae-containing suspension is removed by respiration of the microalgae in the absence of light, and a microalgae suspension without the dissolved oxygen is obtained; (3) the microalgae suspension is directly subjected to anaerobic fermentation without a separation process, and a combustible biogas is obtained, which is gathered and stored to keep in reserve as an energy source; (4) the fermentation liquor after anaerobic fermentation is subjected to aerobic biological oxidation, and the obtained product is recycled by returning to step (1). Compared with the prior art, the biochemical novel technology helps to realize efficient utilization of solar energy, the technology system is extremely simple, and the cost is extremely low.

Description

technical field [0001] The invention relates to the field of new energy, in particular to a new biochemical process for realizing the utilization of solar energy. Background technique [0002] Over the past few decades, fossil fuels have played an important role in promoting the world economy and industrialization process. However, supply shortages and rising prices have begun to make them a counter force that restricts development. At the same time, the use of a large amount of fossil fuels has created serious environmental problems, among which CO in the atmosphere 2 The dramatic rise in concentrations has led to climate change that threatens human existence. In this context, finding and developing renewable energy has become an important strategy for countries all over the world. [0003] In the field of renewable energy, photovoltaic power generation is a new technology that is the first to enter the industrialization of renewable energy. Although it has a bright prosp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12P5/02C12P3/00
CPCY02E50/343Y02E50/30Y02P20/133Y02P20/59
Inventor 靳强
Owner SHANGHAI JIAOTONG UNIV
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