Anaerobic reaction usually produces biogas containing a certain amount of hydrogen sulfide. The content of hydrogen sulfide in Biogas of different industrial wastewater is also different. If the content of hydrogen sulfide is too high, hydrogen sulfide must be removed from biogas before entering the boiler to avoid corrosion of pipes and boilers. Are these characteristics of biological desulfurization clear enough?
A method for removing highly corrosive and highly toxic hydrogen sulfide gas from biogas by using biological strains. The process has the advantages of high automation, simple process and low operation cost. The biogas produced by anaerobic fermentation enters the scrubber and reacts with the basic circulating atomizer to remove hydrogen sulfide from the biogas. The hydrogen sulfide absorbed by rich liquid is returned to the bioreactor, and the hydrogen sulfide is converted into solid sulfur by biotransformation. The solution can be regenerated into alkaline absorbent and used for biogas cleaning, and then the absorbent is reabsorbed and absorbed. The cycle is complete. Sulfur solid is separated by sulfur dust collector.
Biogas desulfurization combines physical and chemical absorption of hydrogen sulfide under weak alkaline conditions and biological regeneration of alkaline solution in air. The biogas without hydrogen sulfide is discharged from the top of the scrubber. The solution containing hydrogen sulfide enters the bioreactor and is oxidized to elemental sulfur and alkali under the limited oxygen supply. Some wastewater and by-product sulfur does not contain sulfide and can be directly discharged.
1. Automatic unattended, stable operation process
2. The sulfur in biogas can be removed deeply.
3. The gas flow rate has no obvious change.
4. Biogas is not diluted by air.
5. There is no risk of blockage and scaling, and long-term maintenance is not required.
6. Normal temperature and pressure operation.
It is designed and manufactured according to this principle. It plays an irreplaceable role in the treatment of industrial sewage and domestic wastewater. Now, more and more industrial enterprises begin to promote the treatment of related wastewater.
The above is about the working principle and application of biogas desulfurization equipment. For more information, please click on our biodesulfurization Official website.