生物脱硫，通俗来讲，是在常温常压的温和环境中，依靠硫细菌的作用，将含硫化合物从物质里去除的技术。和传统的化学脱硫方法比起来，生物脱硫如同一位温和又高效的 “清洁者”，有着不少突出的优点。它不用依靠昂贵的化学催化剂，能大幅降低成本，而且能耗较低，还能把硫转化成单质硫进行回收，实现资源的再次利用，真正达成了环保与经济的双赢。

　　Biological desulfurization, in layman's terms, is a technology that removes sulfur-containing compounds from substances in a mild environment at room temperature and pressure, relying on the action of sulfur bacteria. Compared with traditional chemical desulfurization methods, biological desulfurization is like a gentle and efficient "cleaner" with many outstanding advantages. It does not rely on expensive chemical catalysts, can significantly reduce costs, and has low energy consumption. It can also convert sulfur into elemental sulfur for recycling, achieving the reuse of resources and truly achieving a win-win situation for environmental protection and economy.

　　这项技术的奇妙之处源于其巧妙的反应原理。整个脱硫过程就像一场有序的 “化学反应接力赛”，主要在脱硫反应塔和再生池这两个地方完成。在脱硫反应塔内，会发生 H₂S (G)+ OH⁻ →HS⁻(L)+H₂O  这样的化学反应，在这个过程中，H₂S 被有效去除，同时消耗了 OH⁻。而在再生池里，脱硫菌起着关键作用，它们把循环水中的硫化物当作 “食物”，通过新陈代谢，将硫化物转化为单质硫，同时重新生成 OH⁻，化学方程式为 HS⁻(L)+1/2O₂→S↓+ OH⁻。单质硫会以含硫污泥的形式从沉淀池底部排出，沉淀池的上清液则回到循环水系统中，这样的设计大大减少了耗水量和碱的使用量，让整个脱硫过程更经济环保。

　　The wonder of this technology lies in its clever reaction principle. The entire desulfurization process is like an orderly "chemical reaction relay race", mainly completed in the desulfurization reaction tower and regeneration pool. In the desulfurization reaction tower, a chemical reaction such as H₂S (G)+ OH⁻ →HS⁻(L)+H₂O  occurs, in which H₂S  is effectively removed and OH⁻ is consumed. In the regeneration tank, desulfurization bacteria play a key role, treating sulfides in the circulating water as "food" and converting them into elemental sulfur through metabolism, while regenerating OH⁻. The chemical equation is HS⁻(L)+1/2O₂→S↓+ OH⁻. Elemental sulfur is discharged from the bottom of the sedimentation tank in the form of sulfur-containing sludge, and the supernatant of the sedimentation tank returns to the circulating water system. This design greatly reduces water consumption and alkali usage, making the entire desulfurization process more economical and environmentally friendly.

　　生物脱硫技术的特点和优势很明显。首先，它的脱硫效率非常高，H₂S  去除率最高能达到 99.5% 以上，还能顺便去除像 COS 等其他有机硫化物，算得上是脱硫领域的 “全能选手”。其次，成本优势突出，该工艺只需要一定比例的压缩空气，补充少量营养液、软化水和碱液，不用添加昂贵的化学试剂，运行成本仅仅是传统湿法脱硫（碱液洗涤）、干法（化学氧化）的三分之一，甚至十分之一。更值得一提的是，其脱硫的最终产品是高纯度的单质硫，没有二次污染，不需要再进行处理，还能直接销售，带来额外的收益。

　　The characteristics and advantages of biological desulfurization technology are very obvious. Firstly, its desulfurization efficiency is very high, with a maximum H₂S  removal rate of over 99.5%. It can also remove other organic sulfides such as COS, making it an all-around player in the desulfurization field. Secondly, the cost advantage is prominent. This process only requires a certain proportion of compressed air, supplemented with a small amount of nutrient solution, softened water, and alkali solution, without the need to add expensive chemical reagents. The operating cost is only one-third or even one tenth of traditional wet desulfurization (alkali washing) and dry desulfurization (chemical oxidation). It is worth mentioning that the final product of its desulfurization is high-purity elemental sulfur, which has no secondary pollution, does not require further treatment, and can be sold directly, bringing additional revenue.

　　此外，生物脱硫技术不会降低黄瓜视频软件的热值，洗涤塔与洗涤液生物再生反应器通过物理方式隔离，不会向黄瓜视频软件中引入空气或氧气，保证了黄瓜视频软件的品质。它的抗负荷能力也很强，即便 H₂S  浓度在 100-40000ppm 之间大幅波动，对整个脱硫系统的影响也很小。同时，该技术的自动化程度很高，通过 PLC 和在线监测仪表对关键参数进行实时监控，实现全自动运行，几乎不需要人工干预，大大减轻了劳动强度。

　　In addition, biological desulfurization technology does not reduce the calorific value of biogas. The washing tower and the washing liquid biological regeneration reactor are physically isolated and do not introduce air or oxygen into biogas, ensuring the quality of biogas. It also has strong load resistance, and even if the H₂S  concentration fluctuates significantly between 100-40000 ppm, it has little impact on the entire desulfurization system. At the same time, this technology has a high degree of automation, with real-time monitoring of key parameters through PLC and online monitoring instruments, achieving fully automatic operation with almost no need for manual intervention, greatly reducing labor intensity.

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