Biogas is a kind of clean energy, which has been widely used now. Below the small manufacturer of biogas desulfurization equipment to introduce to you the biogas project to produce biogas needs to have some conditions, I hope to help you!
1. Biogas fermentation microorganisms in strict anaerobic environment include acid-producing bacteria and methanogens, which are both anaerobic bacteria, especially methanogens which produce methane are particularly sensitive to oxygen. They do not survive in an aerobic environment, and even trace amounts of oxygen can hinder fermentation. Therefore, the construction of a sealed biogas digester without leaking gas and water is the key to manually produce biogas.
2. Sufficient and excellent inoculants are anaerobic activated sludge containing a large number of microorganisms, also known as strains, which is needed for biogas fermentation. Only with good enough inoculum can biogas fermentation run efficiently. The inoculants of rural household biogas digesters generally come from the sludge of old biogas digesters (biogas slurry), sewage sludge, sediment at the bottom of the dung pit, etc. Inoculants generally account for about 30% of the total fermentation broth.
3. The necessary fermentation temperature of biogas fermentation bacteria can ferment to produce gas in the range of 8 60 C, and the higher the temperature, the more active the fermentation, the more biogas is produced. Therefore, as a rural household biogas digester with normal temperature fermentation, the fermentation temperature should be kept above 8 C as far as possible.
4. Suitable acidity and alkalinity in biogas fermentation process, biogas bacteria are suitable for breeding in neutral or slightly alkaline environment. It is advisable to control the pH value of fermentation broth at 6.8-7.5. If this value is lower or higher, biogas fermentation will be slow or even not normal.
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企業(yè)二維碼
2019-08-07
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