Why are biogas materials pretreated with a starter?
The production of methane through anaerobic decomposition of biogas feedstock is driven by various microorganisms. Adding a suitable microbial starter as an inoculant can significantly influence the speed and efficiency of gas production. Jinbao-type starter, for instance, plays a crucial role in enhancing both the rate and volume of biogas generation.
One of the main advantages of this microbial starter is its high bacterial concentration and rapid action. It contains over 300 strains of bacteria, with more than 200 million anaerobic bacteria per liter, of which about 50% are anaerobes. Under favorable conditions, these microbes multiply extremely fast—up to tens or even hundreds of generations per minute. This rapid growth accelerates the breakdown of organic matter, leading to a significant increase in gas production. With the use of Jinbao starter, gas production can begin within 3–5 days, and large quantities of gas can be generated within 7 days—up to ten times faster than with other inoculants. Additionally, it helps reduce gas loss during fermentation and improves the overall gas yield per unit of raw material.
Another benefit is the ease of use and cost-effectiveness. Using Jinbao starter requires minimal effort. After adding the appropriate amount of the starter to the digester, normal operation can continue without major changes. For a typical digester with a capacity of 6–10 cubic meters, only 30 milliliters of the starter is needed per batch, costing around 20 yuan. This makes it a highly efficient and economical option.
Lastly, the starter performs well even at lower temperatures. Biogas fermentation is highly dependent on temperature, and lower temperatures often slow down the process. However, using microbial starters like Jinbao can help mitigate this issue, ensuring more stable gas production under varying environmental conditions. For more details, you can visit our website or contact us directly.
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