Use of alga ulva pertusa in producing marsh gas by fermentation

A technology of Ulva and seaweed, applied in fermentation, waste fuel, etc., can solve the problems that have not been reported publicly, and achieve the effect of alleviating the greenhouse effect, preventing ocean red tide, and high grade

Inactive Publication Date: 2009-02-18
YUNNAN NORMAL UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Through literature search, do not see the public report identical with the content of the present invention

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] Implementation and effect of the present invention are as follows:

[0020] 1) Experimental materials

[0021] Ulva Ulva: salvaged from the sea area of ​​Qingdao City, rinsed with clean water and air-dried. The TS of Ulva kongus was 86.28% and the VS was 72.50% as determined by biogas fermentation.

[0022] Inoculum: Enriched by pig manure in 1999, the Yunnan Provincial Key Laboratory of Rural Energy Engineering of Yunnan Normal University and the Key Laboratory of Advanced Technology and Preparation of Renewable Materials of the Ministry of Education added pig manure for long-term cultivation and preservation. The TS of the inoculum was 8.27% and the VS was 60.85% by biogas fermentation.

[0023] Fermentation device: 1000ml self-made experimental drainage and gas collection fermentation device, the displacement (gas production) has been calibrated.

[0024] Gas analysis instrument: HP4890D type.

[0025] 2) Experimental method

[0026] Using 6 sets of devices, the...

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Abstract

The present invention relates to marsh gas fermentation technology, and especially the application of alga viva pertusa in fermenting to produce marsh gas. By means of utilizing the biological features and resource superiority of alga viva pertusa, alga viva pertusa is utilized in fermenting to produce marsh gas. The present invention has the advantages of high quality of marsh gas, utilizing the marsh gas residue as high quality organic fertilizer and soil improver, reducing fossil fuel consumption, propagating viva pertusa to improve marine environment and avoid red tide, and high TS and VS gas creating rate.

Description

Technical field: [0001] The invention relates to a method for producing biogas by fermenting seaweed Ulva ulva, belonging to the technical field of biogas fermentation in biomass energy. Background technique: [0002] Biogas is a clean gas similar to natural gas, and its calorific value (calorific value) is about 30% lower than that of natural gas. Usually, the heat generated by burning 1m3 biogas is equivalent to 5kW·h~7kW·h of electric energy. Methane, the main component of biogas, can chemically react with halogens to produce methyl halides, and can also react with oxygen to produce chemical products such as methanol, formaldehyde, and formic acid, so biogas can be used as a chemical raw material. Biogas can also be used in agricultural production such as planting, breeding, and agricultural product processing, such as greenhouse insulation, baking agricultural products, biogas moth prevention, biogas grain storage, fruit preservation, chicken hatching, laying hens, lure ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12P5/02
CPCY02E50/343Y02E50/30
Inventor 宋洪川夏朝凤王广策董锦艳才金玲许玲彭光谢建高天荣
Owner YUNNAN NORMAL UNIV
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