Removal of Hydrogen Sulfide from Biogas by Using the Water Scrubbing Techniques

Document Type : Research Article


1 1-Research Institute of Applied Science, Academic Center of Education, Culture and Research (ACECR), Tehran, Iran 2- Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran

2 Nano and Biophysics research group Research Institute of Applied Science, Academic Center of Education, Culture and Research (ACECR), Tehran, Iran


Renewable energy is one of the most important sources of energy supply in the world. Biomass power plants produce biogas under anaerobic conditions by burying organic waste. Biogas is being produced in the Mashhad Recycling Industrial Complex. This fuel is for consumers in the biogas plant to generate electricity. In this study, we performed the removal of hydrogen sulfide using water-scrubbing techniques in the form of gravity and stairs from biogas. The results show that the removal value of hydrogen sulfide varied between 34 to 87 and the removal efficiency of hydrogen sulfide varied between 34 to 97%. In addition, the loading rate of hydrogen sulfide varied between 8.1 to 40.8 g/m3.h. Moreover, the elimination capacity of hydrogen sulfide varied between 7.3 to 20.9 g/m3. h. This investigation is a novelty for design and construction in water Scrubbing. Water scrubbing systems compared to similar examples have distinguishing features in the vertical and stepped arrangement and suction to separate the remaining gases by a vacuum pump. The most important feature is the gravitational force-displacement of the water pump to flow water. Therefore, fewer water pumps are used. In this case, energy consumption is reduced


Main Subjects

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