The purification of biogas generally includes the dehydration, desulfurization and CO2 removal of biogas. The water in biogas and hydrogen sulfide act together to accelerate the corrosion of pipelines, valves and flow meters. Therefore, dehydration treatment needs to be carried out at the same time when anaerobic biogas desulfurization is carried out. In order to meet the requirements of biogas humidity in the program of small biogas desulfurization tower, the high and medium temperature biogas temperature is appropriately cooled, and the cyclone dehydration method is adopted to remove part of the water vapor in the biogas.
The principle of biogas purification treatment is to remove the gas in biogas by adsorption with desulfurizer such as iron oxide. At present, the household biogas digester adopts a small household desulfurization device. After half a year of use, the desulfurizer can be regenerated by pouring out the desulfurizer and drying in the shade. After regeneration, it can be used for another three months. After three months, it can be regenerated by the same method. The total service life is one year.
When the biogas containing hydrogen sulfide passes through the desulfurizer of the small biogas desulfurization tower, the hydrogen sulfide in the biogas reacts with the desulfurizer to produce sulfide, so as to remove the hydrogen sulfide in the biogas. Into biogas fuel. Otherwise, the biogas containing gas will become oxidized Liu gas after cooking and burning, which is not only harmful to human body, but also can smell the pungent smell of oxidized Liu when cooking and lighting, which will harm human organs, pollute the air, and corrode biogas stoves and cookers. Therefore, it is an important measure to replace the desulfurizer of small biogas desulfurization tower in time.
The above is the detailed introduction of biogas desulfurization, which I hope will be helpful to you If you have any questions, please contact us We will provide you with professional service https://www.hneee.net
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