In fact, the composition of biogas and natural gas is similar, but the popularization of biogas is much worse. Do you know why biogas can not be popularized as much as natural gas? Now let's take a look at the explanation of the manufacturer of biogas purification equipment.
一、沼氣中含有硫化氫氣體，在燃燒使用前必須要進行脫硫；
1. Biogas contains hydrogen sulfide gas, which must be desulfurized before combustion.
2. The methane content in biogas is 55-65%, while the methane content in natural gas is more than 90%, so the firepower of natural gas is stronger.
三、天然氣的壓力大，沼氣的壓力小，由于壓力的關系，兩者之間灶具是不能通用的。
3. The pressure of natural gas is high and the pressure of biogas is low. Because of the pressure relationship, the cooker between the two can not be used.
沼氣和天然氣在甲烷的含量的方面是有很大不同的。
Biogas and natural gas differ greatly in the content of methane.
一般沼氣中，甲烷占60％，二氧化碳約占40％。
In general, methane accounts for 60% and carbon dioxide accounts for 40%.
Natural gas is colorless, odorless, non-toxic and non-corrosive. Its main component is methane, which also includes a certain amount of ethane, propane and heavy hydrocarbons. There are also small amounts of nitrogen, oxygen, carbon dioxide and sulfides.
當然，燃燒性質方面就會有所不同了;
Of course, the combustion properties will be different.
Because of its high calorific value, large reserves and wide application range, natural gas is usually transported by liquefied natural gas or by natural gas pipeline. And the cost of long-distance transportation is particularly high!
The biogas is mainly used in rural areas, generally does not need long-distance transportation, and the biogas is unstable. It is also possible to transport biogas if necessary. However, the estimation of biogas composition may vary greatly, and the scope of application is not very wide.
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2019-06-12
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