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關于生物脫硫原理的介紹

生物脫硫(Bio-desulfurization)是一種利用微生物催化作用將硫化物(如H2S、硫醇、二硫化物等)轉(zhuǎn)化為單質(zhì)硫或硫酸鹽的過程。主要涉及微生物的生物催化作用,通過特定的微生物將有機或無機硫化物轉(zhuǎn)化為較易處理的硫化物或單質(zhì)硫。

  Bio desulfurization is a process that utilizes microbial catalysis to convert sulfides (such as H2S, thiols, disulfides, etc.) into elemental sulfur or sulfate. It mainly involves the biocatalysis of microorganisms, which convert organic or inorganic sulfides into easily treatable sulfides or elemental sulfur through specific microorganisms.

  生物脫硫過程主要包括以下幾個步驟:

  The biological desulfurization process mainly includes the following steps:

  1. 微生物吸附:硫化物首先被微生物細胞表面的吸附物質(zhì)(如細胞壁、細胞外聚合物等)吸附。

  1. Microbial adsorption: Sulfides are first adsorbed by the adsorbed substances on the surface of microbial cells, such as cell walls, extracellular polymers, etc.

  2. 代謝降解:硫化物進入細胞后,微生物通過特定的代謝途徑將其分解。在這個過程中,硫化物被轉(zhuǎn)化為微生物生長所需的能量和養(yǎng)分。

  2. Metabolic degradation: After sulfides enter cells, microorganisms break them down through specific metabolic pathways. During this process, sulfides are converted into the energy and nutrients required for microbial growth.

  3. 硫酸鹽生成:微生物將硫化物轉(zhuǎn)化為硫酸鹽或單質(zhì)硫,并通過代謝過程將這些物質(zhì)排出細胞外。

  3. Sulfate generation: Microorganisms convert sulfides into sulfates or elemental sulfur, and excrete these substances out of the cell through metabolic processes.20200229054621436

  生物脫硫是利用硫氧化細菌或硫還原細菌降解含硫化合物的過程。硫氧化細菌將硫化物氧化為硫酸鹽,而硫還原細菌則將硫酸鹽還原為硫化物。這些細菌通過代謝過程產(chǎn)生酶,將硫化物轉(zhuǎn)化為無害的硫酸鹽或硫化物。

  Biological desulfurization is the process of using sulfur oxidizing bacteria or sulfur reducing bacteria to degrade sulfur-containing compounds. Sulfur oxidizing bacteria oxidize sulfides to sulfates, while sulfur reducing bacteria reduce sulfates to sulfides. These bacteria produce enzymes through metabolic processes to convert sulfides into harmless sulfates or sulfides.

  生物脫硫是一種利用生物體內(nèi)酶系統(tǒng)作用于一些特定的微生物來降低或去除含硫化合物的過程。其原理主要涉及以下幾個方面:

  Biological desulfurization is a process that utilizes the enzyme system within the organism to act on specific microorganisms to reduce or remove sulfur-containing compounds. The principle mainly involves the following aspects:

  1. 硫氧化作用:一些特定的微生物(如厭氧硫氧化菌和嗜熱厭氧微生物)可以利用硫氧化酶將硫化物(如硫化氫)氧化為硫酸鹽或元素硫。這一過程產(chǎn)生的硫酸鹽或元素硫是不溶于水的,可以沉淀或隨微生物體外排出。

  1. Sulfur oxidation: Some specific microorganisms (such as anaerobic sulfur oxidizing bacteria and thermophilic anaerobic microorganisms) can use sulfur oxidase to oxidize sulfides (such as hydrogen sulfide) into sulfates or elemental sulfur. The sulfate or elemental sulfur produced in this process is insoluble in water and can precipitate or be excreted with microorganisms outside the body.

  2. 硫還原作用:另一些特定微生物(如嗜硫還原菌和厭氧反硫酸鹽還原菌)可以利用硫酸鹽作為電子受體,將硫酸鹽還原為硫化物。這一過程可以將硫酸鹽還原成較低含硫的硫化物,從而降低了硫化物的含量。

  2. Sulfur reduction: Some specific microorganisms, such as sulfur reducing bacteria and anaerobic sulfate reducing bacteria, can use sulfate as an electron acceptor to reduce sulfate to sulfides. This process can reduce sulfates to lower sulfur sulfides, thereby reducing the content of sulfides.

  3. 脫硫酶作用:一些微生物體內(nèi)存在特定的脫硫酶,可以將含硫化合物中的硫原子釋放出來,從而使硫化合物變得不活性或更易揮發(fā)。這一過程可以促進硫化合物的分解和轉(zhuǎn)化。

  3. Function of desulfurizing enzymes: Some microorganisms have specific desulfurizing enzymes that can release sulfur atoms from sulfur-containing compounds, making them inactive or more volatile. This process can promote the decomposition and transformation of sulfur compounds.

  本文來自:生物脫硫更多精彩內(nèi)容請點擊我們的網(wǎng)站:http://www.jdl123.com我們將傾情為您解答。

  This article is from: Biological desulfurization. For more exciting content, please click on our website: https://www.hneee.ne We will wholeheartedly provide you with answers.

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