干法脱硫湿法脱硫生物脱硫适用范围沼气流量小 浓度较低沼气流量大 浓度较高沼气流量大 浓度较高装机功率无高湿法30-50%运行成本高，需定期更换填料中少量电费占地面积很小设备多 占地大比干法略大运行管理运行简单 无人值守设备多 需专人管理全自动运行机 可无人值守备注定期更换填料，工作强度大机电设备多
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
络合铁脱硫
Desulfurization with complex iron
络合铁法脱硫技术是一种以络合铁为催化剂的湿式氧化脱除硫化氢的方法，其特点是直接将H2S转变成元素S，络合铁工艺技术是一种工艺简单、工作硫容高且环保无毒的新型脱硫技术，克服了传统脱硫工艺硫容量低、脱硫工艺复杂、副盐生成率高、环境污染严重等弊端，处理硫磺回收装置尾气可使硫磺回收率达到99.99%。
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.
络合铁脱硫技术是具有自主知识产权的络合铁脱硫化氢成套技术，相对于其它络合铁脱硫技术，具有硫容量高、可撬装化、脱硫成本低、节能、运行稳定性高、投资低、对COS、硫醇有机硫脱除率高等优点。
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.
说明
explain
干法脱硫多用于硫化氢处理负荷小，或者对脱硫效果要求很高的工况。这时，干法脱硫多用于湿法脱硫或者生物脱硫之后，进一步脱硫。
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.
在制定脱硫效果时，建议根据后续设备(锅炉或发电机)对硫化氢浓度的限制，以及沼气与天然气消耗量的比例，制定一个合理的脱除效果。我们通常建议最终的硫化氢含量控制在25~100ppm。
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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