由于生物天然氣可以直接作為石化天然氣的替代燃料，所以發(fā)展沼氣提純已成為增加天然氣供應(yīng)量的一個(gè)重要方向。

　　Due to the direct use of biogas as a substitute fuel for petrochemical natural gas, the development of biogas purification has become an important direction for increasing natural gas supply.

　　油價(jià)節(jié)節(jié)攀升，很多人都在感嘆開車的成本越來越高。目前使用的沼氣提純技術(shù)讓低成本開車不再成為夢(mèng)想。這一技術(shù)不但可以讓沼氣直接取代汽油作為車用燃料，抗爆性也比汽油更好。

　　As oil prices continue to rise, many people are lamenting the increasing cost of driving. The current biogas purification technology has made low-cost driving no longer a dream. This technology not only allows biogas to directly replace gasoline as a vehicle fuel, but also has better explosion resistance than gasoline.

　　提純用的沼氣，來源廣泛，主要來源于有機(jī)廢棄物厭氧發(fā)酵產(chǎn)生的沼氣和垃圾填埋場(chǎng)產(chǎn)生的填埋氣。沼氣經(jīng)過脫水、除塵和脫硫后，通過物理或化學(xué)方法有效地去除沼氣中的CO2，使得沼氣中甲烷的含量提高到95％以上，熱值和雜質(zhì)氣體組分品質(zhì)符合天然氣標(biāo)準(zhǔn)和車用壓縮天然氣的標(biāo)準(zhǔn)。提純后的天然氣可用于車用燃?xì)?、工業(yè)燃?xì)饣虺擎?zhèn)燃?xì)獾取?/p>

　　The biogas used for purification comes from a wide range of sources, mainly from the anaerobic fermentation of organic waste and landfill gas produced in landfills. After dehydration, dust removal, and desulfurization, biogas effectively removes CO2 from biogas through physical or chemical methods, increasing the methane content in biogas to over 95%. The calorific value and impurity gas component quality meet the standards of natural gas and compressed natural gas for vehicles. Purified natural gas can be used as automotive gas, industrial gas, or urban gas, etc.

　　進(jìn)行沼氣純化的方法有很多，主要有包括高壓水洗、變壓吸附（PSA）、物理化學(xué)吸附以及膜提純等幾種。提純過程根據(jù)提純的方法各有不同，但目的都是為了去除二氧化碳，硫化氫，水蒸氣等氣體，使沼氣中的甲烷含量升高，提高燃燒效率并減少污染。

　　There are many methods for purifying biogas, including high-pressure water washing, pressure swing adsorption (PSA), physical and chemical adsorption, and membrane purification. The purification process varies depending on the purification method, but the purpose is to remove gases such as carbon dioxide, hydrogen sulfide, and water vapor, increase the methane content in biogas, improve combustion efficiency, and reduce pollution.

　　這些方法中，有些其技術(shù)和設(shè)備的成熟度高，在沼氣提純市場(chǎng)占據(jù)主要份額，如高壓水洗法，PSA法以及物理化學(xué)吸附法。同時(shí)，由于新材料的研究與應(yīng)用，使得膜分離技術(shù)也成為沼氣提純中的一種新興和熱門的方法，是沼氣提純技術(shù)中的一個(gè)重要發(fā)展方向。之后的幾期，我們會(huì)依次對(duì)這幾種提純的方法進(jìn)行介紹并對(duì)比它們的特點(diǎn)，敬請(qǐng)期待喲。

　　Among these methods, some have high maturity in technology and equipment, and occupy a major share in the biogas purification market, such as high-pressure water washing method, PSA method, and physical and chemical adsorption method. Meanwhile, due to the research and application of new materials, membrane separation technology has become an emerging and popular method in biogas purification, and an important development direction in biogas purification technology. In the following episodes, we will introduce and compare the characteristics of these purification methods one by one. Stay tuned.

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　　This article is a friendly contribution from biogas purification For more related knowledge, please click http://m.szzcsj.com/ Sincere attitude To provide you with comprehensive services We will gradually contribute more relevant knowledge to everyone Coming soon.