沼气是一种的清洁能源，可通过多种生物质发酵获得。我国有着储量巨大的生物质资源，包 括农业、工业和城市固体废弃物，及其他相关产业的副产品等。沼气利用的途径有多种，比如直接 利用燃烧供热、热电联产或者提纯净化后作为车载燃气、家庭供热、化工原料等天然气使用。

Biogas is a high-quality clean energy source that can be obtained through various biomass fermentations. China has huge reserves of biomass resources, including agricultural, industrial, and urban solid waste, as well as by-products from other related industries. There are various ways to utilize biogas, such as directly using combustion for heating, cogeneration, or purified natural gas for vehicle gas, household heating, chemical raw materials, etc.

沼气 经过提纯净化制备的生物天然气，可以完全替代石化天然气，根据现有技术水平和经济可行性，我 国能转化当量生物天然气 1200 亿立方米，可以大幅降低我国对石化天然气依赖程度。

Biogas produced through purification and purification of biogas can completely replace petrochemical natural gas. Based on the current technological level and economic feasibility, China can convert 120 billion cubic meters of equivalent biogas, which can significantly reduce China's dependence on petrochemical natural gas.

沼气提纯精制生物天然气是沼气提纯净化制备高品质生物天然气、大幅提升甲烷利用品质的 技术。目前沼气脱碳的主要工艺包括有机胺吸收法、压力水洗法、膜分离方法、变压吸附法、物理 吸收法、深冷分离法等。而本项目开发的沼气加压水洗技术集成了水洗脱碳过程中闪蒸技术的合理 有效利用技术、吸收塔解吸塔内部核心部件的开发、同步回收二氧化碳技术、沼气工程的能量集成 系统设计和自动化控制系统设计等多个方面进行优化设计和开发。本项目开发的沼气加压水洗技术 结合撬装设备的设计理念，可在各种处理规模的沼气工程中加以应用推广。

Efficient purification and refining of biogas is a technology for producing high-quality biogas through biogas purification and purification, significantly improving the quality of methane utilization. At present, the main processes for decarbonization of biogas include organic amine absorption, pressure water washing, membrane separation, pressure swing adsorption, physical absorption, and cryogenic separation. The biogas pressurized water washing technology developed in this project integrates the rational and effective utilization technology of flash evaporation technology in the water washing decarbonization process, the development of core components inside the absorption tower desorption tower, synchronous carbon dioxide recovery technology, energy integration system design and automation control system design of biogas engineering, and other aspects for optimized design and development. The biogas pressurized water washing technology developed in this project, combined with the design concept of pry mounted equipment, can be applied and promoted in biogas engineering of various treatment scales.

沼气是一种有机质厌氧发酵产生以甲烷为主、硫化氢、二氧化碳等多种气体混合的可燃气体，是一种可再生的生物质能，清洁能源，主要包含填埋气、养殖废弃物、农业废弃物、污泥、城市固体废弃物等有机物厌氧发酵产生的气体，

Biogas is a combustible gas produced by anaerobic fermentation of organic matter, mainly composed of methane, hydrogen sulfide, carbon dioxide, and other gases. It is a renewable biomass energy and clean energy source, mainly including gases produced by anaerobic fermentation of organic matter such as landfill gas, aquaculture waste, agricultural waste, sludge, and urban solid waste,

目前市面上用于沼气净化、分离、提纯的工艺还是比较多，如吸收法、变压吸附法、低温冷凝法、膜分离法等，不同工艺要求不同、标准不同、投资及运营维护费用不同……因此在选择沼气净化提纯时要明确自己的目的才能选择适合的工艺技术及产品服务。

At present, there are still many processes on the market for biogas purification, separation, and purification, such as absorption, pressure swing adsorption, low-temperature condensation, membrane separation, etc. Different processes have different requirements, standards, investment, and operation and maintenance costs... Therefore, when choosing biogas purification and purification, it is necessary to clarify your own purpose in order to choose suitable process technologies and product services.

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