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生物脱硫的的发展要注意什么？

首页- 新闻资讯 > 公司新闻

2023-07-24

随着我国社会的发展，国内经济水平的不断提高，人们生活水平逐步提升，沼气的使用现象已经越来越普遍。沼气虽好，但是含有有毒有害气体硫化氢，由于硫化氢有毒、腐蚀性很强，对人们身体有着很大的危害，因此，如何有效且经济地处理这些沼气中的有毒有害气体--硫化氢，是衡量一个沼气利用项目成功的重要因素。现如今，随着科技的发展、技术的更替，沼气脱硫技术已发展到以生物脱硫为代表的沼气脱硫技术。其中生物脱硫又大体分为一体式生物脱硫和分离式生物脱硫这两种脱硫方式。

With the development of Chinese society and the continuous improvement of domestic economic level, people's living standards have gradually improved, and the use of biogas has become increasingly common. Although biogas is good, it contains toxic and harmful gas hydrogen sulfide. Due to its high toxicity and corrosiveness, hydrogen sulfide poses great harm to people's health. Therefore, how to effectively and economically treat the toxic and harmful gas - hydrogen sulfide - in biogas is an important factor in measuring the success of a biogas utilization project. Nowadays, with the development and replacement of technology, biogas desulfurization technology has developed to biogas desulfurization technology represented by biological desulfurization. Biological desulfurization can be roughly divided into two desulfurization methods: integrated biological desulfurization and separated biological desulfurization.

在一体式生物脱硫和分离式生物脱硫这两种脱硫方式中，一体式生物脱硫是指：将一定量的空气导入含有硫化氢的沼气中，这种混合气体会通过生物滤池、生物滴滤池以去除硫化氢，脱硫副产物一般为硫酸或者硫酸盐。由于一体式生物脱硫技术运行的成本非常低，所以现如今，被广泛应用于沼气脱硫发电项目中，发展前景广阔。
沼气提纯

In the two desulfurization methods of integrated biological desulfurization and separated biological desulfurization, integrated biological desulfurization refers to the introduction of a certain amount of air into biogas containing hydrogen sulfide. This mixed gas will pass through biofilters and biofilters to remove hydrogen sulfide, and the desulfurization by-products are generally sulfuric acid or sulfate. Due to the very low operating cost of integrated biological desulfurization technology, it is now widely used in biogas desulfurization and power generation projects, with broad development prospects.

其中的分离式生物脱硫工艺指的是含硫化氢的沼气气体在进入生物洗涤塔内后，在塔内与碱起到反应，先从沼气中脱除硫化氢，然后生物洗涤液进入生物反应器。将反应器中的硫化物转化为单质硫，同时碱液得到再生，可以重复使用。随着嗜盐脱硫菌的发现，分离式脱硫工艺得到了长足的发展。

The separated biological desulfurization process refers to the process where the biogas gas containing hydrogen sulfide enters the biological washing tower and reacts with alkali inside the tower. The hydrogen sulfide is first removed from the biogas, and then the biological washing liquid enters the bioreactor. The sulfide in the reactor is converted into elemental sulfur, while the alkaline solution is regenerated and can be reused. With the discovery of halophilic desulfurization bacteria, separated desulfurization processes have made significant progress.

并且随着科技的进步，更加解决了一体式生物脱硫容易出现的硫填料易堵塞的问题。在沼气提纯CNG的工艺中、以及高浓度硫化氢的沼气处理工艺中，分离式脱硫工艺占有优势。以上就是生物脱硫的介绍。

And with the advancement of technology, the problem of sulfur filler blockage that is prone to occur in integrated biological desulfurization has been further solved. In the process of purifying CNG from biogas and the biogas treatment process with high concentration of hydrogen sulfide, the separated desulfurization process has advantages. The above is an introduction to biological desulfurization.

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