沼氣是一種優質的清潔能源，可通過多種生物質發酵獲得。我國有著儲量巨大的生物質資源，包 括農業、工業和城市固體廢棄物，及其他相關產業的副產品等。沼氣利用的途徑有多種，比如直接 利用燃燒供熱、熱電聯產或者提純凈化后作為車載燃氣、家庭供熱、化工原料等天然氣使用。

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.

沼氣 經過提純凈化制備的生物天然氣，可以完全替代石化天然氣，根據現有技術水平和經濟可行性，我 國能轉化當量生物天然氣 1200 億立方米，可以大幅降低我國對石化天然氣依賴程度。

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.

沼氣高效提純精制生物天然氣是沼氣提純凈化制備高品質生物天然氣、大幅提升甲烷利用品質的 技術。目前沼氣脫碳的主要工藝包括有機胺吸收法、壓力水洗法、膜分離方法、變壓吸附法、物理 吸收法、深冷分離法等。而本項目開發的沼氣加壓水洗技術集成了水洗脫碳過程中閃蒸技術的合理 有效利用技術、吸收塔解吸塔內部核心部件的開發、同步回收二氧化碳技術、沼氣工程的能量集成 系統設計和自動化控制系統設計等多個方面進行優化設計和開發。本項目開發的沼氣加壓水洗技術 結合撬裝設備的設計理念，可在各種處理規模的沼氣工程中加以應用推廣。

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.

沼氣是一種有機質厭氧發酵產生以甲烷為主、硫化氫、二氧化碳等多種氣體混合的可燃氣體，是一種可再生的生物質能，清潔能源，主要包含填埋氣、養殖廢棄物、農業廢棄物、污泥、城市固體廢棄物等有機物厭氧發酵產生的氣體，

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,

目前市面上用于沼氣凈化、分離、提純的工藝還是比較多，如吸收法、變壓吸附法、低溫冷凝法、膜分離法等，不同工藝要求不同、標準不同、投資及運營維護費用不同……因此在選擇沼氣凈化提純時要明確自己的目的才能選擇適合的工藝技術及產品服務。

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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