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直接利用燃烧供热是沼气提纯利用的一种结果

首页- 新闻资讯 > 公司新闻

2022-05-13

沼气是一种清洁能源，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。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 is a kind of clean energy, which can be obtained by fermentation of a variety of biomass. China has huge reserves of biomass resources, including agricultural, industrial and municipal solid waste, as well as by-products of other related industries. For example, there are many ways to use natural gas for heating, purification and chemical co generation after vehicle combustion, or directly use natural gas as heating raw materials. Biogas prepared by purification of biogas can completely replace petrochemical natural gas. According to the existing technical level and economic feasibility, China can convert 120 billion cubic meters of equivalent biological natural gas, which can greatly 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。

Biogas purification and purification of biological natural gas is a technology of biogas purification and purification to prepare high-quality biological natural gas and greatly improve the utilization quality of methane. At present, the main processes of biogas decarbonization include organic amine absorption method, pressure washing method, membrane separation method, pressure swing adsorption method, physical absorption method, cryogenic separation method, etc. The biogas pressurized water washing technology developed in this project integrates the reasonable and effective utilization technology of flash technology in the process of water washing and decarbonization, the development of core components in the absorption tower and desorption tower, the technology of synchronous carbon dioxide recovery, the design of energy integration system and automatic control system of biogas engineering. Combined with the design concept of skid mounted equipment, the biogas pressurized water washing technology developed in this project can be applied and popularized in biogas projects of various treatment scales.

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