1. If the sulfur content is too high, it will corrode equipment and pipelines, reducing their service life;
2. The more CO2 there is, the lower the calorific value of the gas;
3.水的存在會(huì)造成管道腐蝕，形成水合物限制或堵塞管線中氣體的流動(dòng)，甚至?xí)谷紵飨ɑ穑?/div>
3. The presence of water can cause pipeline corrosion, form hydrates to restrict or block the flow of gas in the pipeline, and even cause the burner to shut down;
4.由于沼氣通過(guò)是在厭氧環(huán)境下產(chǎn)生的，O2含量一般不會(huì)超標(biāo)，但需注意CNG標(biāo)準(zhǔn)中要求凈化后O2含量不得高于0.5%；
4. As biogas is generated in an anaerobic environment, the O2 content generally does not exceed the standard, but it should be noted that the CNG standard requires that the O2 content after purification should not exceed 0.5%;
5.在天然氣管道輸送過(guò)程中，水分在低溫下冷凝成液體，會(huì)減少管道截面積，增加輸送過(guò)程阻力和能耗，甚至結(jié)冰堵塞管道；另外水的存在會(huì)加速硫化物對(duì)設(shè)備的腐蝕；
During the transportation of natural gas pipelines, water condenses into liquid at low temperatures, which reduces the cross-sectional area of the pipeline, increases the resistance and energy consumption during the transportation process, and even freezes and blocks the pipeline; The presence of external water can accelerate the corrosion of equipment by sulfides;
6.其它微量的N2、H2等在不影響天然氣標(biāo)準(zhǔn)要求的熱值時(shí)，可不予脫除。
6. Other trace amounts of N2, H2, etc. may not be removed when they do not affect the calorific value required by natural gas standards.
根據(jù)原料沼氣相關(guān)參數(shù)及產(chǎn)品要求分析，原料沼氣可依次進(jìn)行脫硫、加壓干燥、脫碳、CNG增壓等工序，即可獲得產(chǎn)品：車用壓縮CNG。
According to the analysis of relevant parameters and product requirements of raw material biogas, the raw material biogas can be sequentially subjected to processes such as desulfurization, pressurized drying, decarbonization, and CNG pressurization to obtain the product: compressed CNG for vehicles.
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