Dry desulfurization, wet desulfurization, biological desulfurization, applicable scope of biogas flow, low concentration, high concentration, high concentration, high concentration of biogas flow, high installed power, no high wet 30-50%, high operating cost, need to replace fillers regularly, a small amount of electricity, small area of equipment, large area of equipment, slightly larger than dry method, simple operation and management, unattended equipment, more need to be managed by specially-assigned person, fully automatic operating machine, can be unattended and scheduled to replace fillers, High working intensity and many electromechanical equipment
Complex iron desulfurization technology is a method of removing hydrogen sulfide by wet oxidation using complex iron as catalyst, which is characterized by directly transforming H2S into elemental S. Complex iron desulfurization technology is a new desulfurization technology with simple process, high working sulfur capacity, environmental protection and non-toxic, which overcomes the disadvantages of traditional desulfurization process such as low sulfur capacity, complex desulfurization process, high by-product generation rate, and serious environmental pollution, The sulfur recovery rate can reach 99.99% by treating the tail gas of sulfur recovery unit.
Complex iron desulfurization technology is a complete set of complex iron hydrogen sulfide removal technology with independent intellectual property rights. Compared with other complex iron desulfurization technologies, it has the advantages of high sulfur capacity, skid-mountable, low desulfurization cost, energy saving, high operation stability, low investment, and high removal rate of COS and mercaptan organic sulfur.
Dry desulfurization is mostly used in the condition of low hydrogen sulfide treatment load or high desulfurization effect. At this time, dry desulfurization is mostly used for further desulfurization after wet desulfurization or biological desulfurization.
When formulating the desulfurization effect, it is suggested to formulate a reasonable removal effect based on the limit of hydrogen sulfide concentration of subsequent equipment (boiler or generator) and the proportion of biogas and natural gas consumption. We usually recommend that the final hydrogen sulfide content be controlled at 25~100ppm.
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2023-02-09
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