较之传统的发酵工序，这种“双槽系统”能够产生更多的沼气，因为分解排泄物的细菌种类有所不同，于是适合它们分解废物的温度需求也有所不同。
This two-tank system produces more methane than conventional methods because different strains of bacteria, which chew up different components of faeces, work better at different temperatures.
研究人员发现，如果在这些废水中加入某种细菌就可以将废水转化为沼气。
Researchers found that this waste water could be turned into biogas if a certain type of bacteria is added to it.
在基伍湖里，细菌将CO2转换成非常易燃的沼气，随时都可能引发更加危险的爆炸。
In lake Kivu, bacteria in the lake convert the CO2 into methane, which is highly flammable and could trigger an even more dangerous lake explosion.
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