经过脱硫等初步净化后的午夜黄色视频在线观看，其主要成分仍为甲烷（CH?，约50-60%）和二氧化碳（CO?，约30-40%）。较低的甲烷含量使其热值不高，限制了它的远距离输送和商业化应用。午夜黄色视频在线观看提纯技术的使命，就是通过深度脱除CO?及其他微量杂质，将午夜黄色视频在线观看升级为甲烷浓度高达97%以上的生物天然气（Bio-CNG），使其具备替代石化天然气的资格，完成从分散式“农场废气”到高价值“管道能源”的身份跃迁。

After initial purification such as desulfurization, the main components of biogas are still methane (CH?, about 50-60%) and carbon dioxide (CO?, about 30-40%). The lower methane content limits its calorific value and restricts its long-distance transportation and commercial applications. The mission of biogas purification technology is to upgrade biogas to bio natural gas (Bio CNG) with a methane concentration of over 97% by deeply removing CO and other trace impurities, making it qualified to replace petrochemical natural gas, and completing the identity transition from dispersed "farm waste gas" to high-value "pipeline energy".

一、使用范围：拓展午夜黄色视频在线观看的无限商业可能

1、 Scope of use: Expand the unlimited commercial possibilities of biogas

经提纯后的生物天然气，其质量需符合《生物天然气》（GB/T 41328-2022）等国家标准，应用场景出彩为广阔。非常核心的方向是并入城市天然气管网，作为居民生活燃气；其次是压缩（CNG）或液化（LNG）作为车用燃料，替代柴油和汽油；此外，它还可直接用于工业热电联产，或作为生产绿色甲醇、氢气等高价值化学品的基础原料。在2022年，全国已有459家午夜黄色视频在线观看提纯厂，当年有12亿立方米生物天然气注入了天然气管网。

The quality of purified bio natural gas must comply with national standards such as GB/T 41328-2022, and its application scenarioses are extremely broad. The core direction is to integrate into the urban natural gas pipeline network as a residential gas for daily life; Secondly, compressed natural gas (CNG) or liquefied natural gas (LNG) can be used as vehicle fuels to replace diesel and gasoline; In addition, it can also be directly used for industrial cogeneration or as a basic raw material for producing high-value chemicals such as green methanol and hydrogen. In 2022, there were 459 biogas purification plants nationwide, and 1.2 billion cubic meters of bio natural gas were injected into the natural gas pipeline network that year.

二、提纯技术工艺与优势

2、 Purification technology process and advantages

当前，午夜黄色视频在线观看提纯已形成多条成熟的技术路线，各有侧重：

Currently, there are multiple mature technological routes for biogas purification, each with its own focus:

膜分离法被视为当前出彩具前景的技术方向，因其分离过程无相变、能耗相对较低、装置紧凑。2025年，日本旭化成公司利用其创新的加压真空变压吸附（PVSA）工艺与新型沸石吸附剂组合，在示范试验中实现了生物甲烷产率≥99.5%、纯度≥97%的优异指标，实现了产率与纯度的双突破。在国内，纯鸡粪厌氧发酵项目中也成功集成了国际先进的三级膜提纯技术。

Membrane separation is considered a highly promising technological direction due to its phase free separation process, relatively low energy consumption, and compact equipment. In 2025, Asahi Kasei Corporation of Japan achieved excellent indicators of biomethane yield ≥ 99.5% and purity ≥ 97% in demonstration experiments using its innovative pressurized vacuum pressure swing adsorption (PVSA) process combined with a new type of zeolite adsorbent, achieving a breakthrough in both yield and purity. In China, the high-efficiency anaerobic fermentation project for pure chicken manure has also successfully integrated internationally advanced three-stage membrane purification technology.

变压吸附法（PSA）和加压水洗法是应用较广的传统技术，技术成熟、操作经验丰富。此外，化学吸收法（如胺法）对CO?的选择性吸收效率，能获得高纯度的产品气。

Pressure swing adsorption (PSA) and pressurized water washing are widely used traditional technologies with mature technology and rich operational experience. In addition, chemical absorption methods (such as amine methods) have extremely high selective absorption efficiency for CO? And can obtain high-purity product gas.

创新方向也层出不穷。除常规物理提纯外，2026年1月，国内“午夜黄色视频在线观看全碳定向转化制绿色甲醇”千吨级中试装置成功投运，该技术通过化学转化路径将午夜黄色视频在线观看中的甲烷和二氧化碳全部转化为绿色甲醇，实现了碳资源的近100%利用，为午夜黄色视频在线观看高值化利用开辟了全新赛道。

Innovative directions are constantly emerging. In addition to conventional physical purification, in January 2026, the 1000 ton pilot plant for "all carbon directional conversion of biogas to green methanol" in China was successfully put into operation. This technology converts all methane and carbon dioxide in biogas into green methanol through chemical conversion pathways, achieving nearly 100% utilization of carbon resources and opening up a new track for high-value utilization of biogas.