生物脱硫技术相比化学脱硫具有以下几个主要优势：

Compared to chemical desulfurization, biological desulfurization technology has the following main advantages:

脱硫效率高：生物脱硫设备在运行中硫化氢（H2S）去除率最高可达99.5%以上，并且能够去除其他有机硫化物，如氧硫化碳（COS）。

High desulfurization efficiency: Biological desulfurization equipment can achieve a maximum removal rate of over 99.5% for hydrogen sulfide (H2S) during operation, and can also remove other organic sulfides such as carbon oxysulfide (COS).

运行成本低：尽管生物脱硫设备的前期一次性投入较大，但其运行不需要添加昂贵的化学试剂，因此运行成本远低于传统脱硫工艺，大约是传统脱硫工艺的十分之一乃至几十分之一。

Low operating cost: Although the initial one-time investment of biological desulfurization equipment is relatively large, its operation does not require the addition of expensive chemical reagents, so the operating cost is much lower than traditional desulfurization processes, about one tenth or even one tenth of traditional desulfurization processes.

运行稳定：生物脱硫生产的单质硫水溶性非常好，不会堵塞管道，而传统的干法脱硫工艺最大的问题是经常性堵塞。

Stable operation: The elemental sulfur produced by biological desulfurization has excellent water solubility and will not block pipelines, while the biggest problem with traditional dry desulfurization processes is frequent blockage.

无二次污染：传统的湿法脱硫会产生大量的洗涤液废水，传统干法脱硫工艺会产生大量的固体废弃物，都容易产生二次污染。相比之下，生物脱硫产生的单质硫通过沉淀的方式直接可回收利用，无二次污染。

No secondary pollution: Traditional wet desulfurization generates a large amount of washing solution wastewater, while traditional dry desulfurization processes generate a large amount of solid waste, both of which are prone to secondary pollution. In contrast, the elemental sulfur produced by biological desulfurization can be directly recycled and reused through precipitation, without secondary pollution.

劳动强度低：传统干法脱硫工艺需要经常更换脱硫剂，劳动强度大，而生物脱硫工艺运行稳定，基本不需要设备维护。

Low labor intensity: Traditional dry desulfurization processes require frequent replacement of desulfurizers, resulting in high labor intensity, while biological desulfurization processes operate stably and require minimal equipment maintenance.

环境友好：生物脱硫技术无需使用大量化学试剂，减少了对环境的破坏，通过微生物作用将硫化氢转化成硫单质，避免了化学试剂可能带来的环境污染。

Environmentally friendly: Biological desulfurization technology does not require the use of large amounts of chemical reagents, reducing environmental damage. Through microbial action, hydrogen sulfide is converted into elemental sulfur, avoiding potential environmental pollution caused by chemical reagents.

适应性强：生物脱硫技术可以适应不同的工况条件，包括中低含硫量天然气的处理，弥补了传统化学脱硫技术的不足。

Strong adaptability: Biological desulfurization technology can adapt to different working conditions, including the treatment of low to medium sulfur natural gas, making up for the shortcomings of traditional chemical desulfurization technology.

综上所述，生物脱硫技术在效率、成本、环境影响和操作便利性方面相比化学脱硫显示出明显的优势。

In summary, biological desulfurization technology has shown significant advantages over chemical desulfurization in terms of efficiency, cost, environmental impact, and operational convenience.

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