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生物脫硫的的發展要注意什么？

首頁- 新聞資訊 > 公司新聞

2023-07-24

隨著我國社會的發展，國內經濟水平的不斷提高，人們生活水平逐步提升，沼氣的使用現象已經越來越普遍。沼氣雖好，但是含有有毒有害氣體硫化氫，由于硫化氫有毒、腐蝕性很強，對人們身體有著很大的危害，因此，如何有效且經濟地處理這些沼氣中的有毒有害氣體--硫化氫，是衡量一個沼氣利用項目成功的重要因素。現如今，隨著科技的發展、技術的更替，沼氣脫硫技術已發展到以生物脫硫為代表的沼氣脫硫技術。其中生物脫硫又大體分為一體式生物脫硫和分離式生物脫硫這兩種脫硫方式。

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.

在一體式生物脫硫和分離式生物脫硫這兩種脫硫方式中，一體式生物脫硫是指：將一定量的空氣導入含有硫化氫的沼氣中，這種混合氣體會通過生物濾池、生物滴濾池以去除硫化氫，脫硫副產物一般為硫酸或者硫酸鹽。由于一體式生物脫硫技術運行的成本非常低，所以現如今，被廣泛應用于沼氣脫硫發電項目中，發展前景廣闊。
沼氣提純

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.

其中的分離式生物脫硫工藝指的是含硫化氫的沼氣氣體在進入生物洗滌塔內后，在塔內與堿起到反應，先從沼氣中脫除硫化氫，然后生物洗滌液進入生物反應器。將反應器中的硫化物轉化為單質硫，同時堿液得到再生，可以重復使用。隨著嗜鹽脫硫菌的發現，分離式脫硫工藝得到了長足的發展。

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.

并且隨著科技的進步，更加解決了一體式生物脫硫容易出現的硫填料易堵塞的問題。在沼氣提純CNG的工藝中、以及高濃度硫化氫的沼氣處理工藝中，分離式脫硫工藝占有優勢。以上就是生物脫硫的介紹。

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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