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給你詳細(xì)介紹生物脫硫是什么

  生物脫硫,通俗來講,是在常溫常壓的溫和環(huán)境中,依靠硫細(xì)菌的作用,將含硫化合物從物質(zhì)里去除的技術(shù)。和傳統(tǒng)的化學(xué)脫硫方法比起來,生物脫硫如同一位溫和又高效的 “清潔者”,有著不少突出的優(yōu)點(diǎn)。它不用依靠昂貴的化學(xué)催化劑,能大幅降低成本,而且能耗較低,還能把硫轉(zhuǎn)化成單質(zhì)硫進(jìn)行回收,實(shí)現(xiàn)資源的再次利用,真正達(dá)成了環(huán)保與經(jīng)濟(jì)的雙贏。

  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.

  這項(xiàng)技術(shù)的奇妙之處源于其巧妙的反應(yīng)原理。整個脫硫過程就像一場有序的 “化學(xué)反應(yīng)接力賽”,主要在脫硫反應(yīng)塔和再生池這兩個地方完成。在脫硫反應(yīng)塔內(nèi),會發(fā)生 H?S (G)+ OH? →HS?(L)+H?O  這樣的化學(xué)反應(yīng),在這個過程中,H?S 被有效去除,同時消耗了 OH?。而在再生池里,脫硫菌起著關(guān)鍵作用,它們把循環(huán)水中的硫化物當(dāng)作 “食物”,通過新陳代謝,將硫化物轉(zhuǎn)化為單質(zhì)硫,同時重新生成 OH?,化學(xué)方程式為 HS?(L)+1/2O?→S↓+ OH?。單質(zhì)硫會以含硫污泥的形式從沉淀池底部排出,沉淀池的上清液則回到循環(huán)水系統(tǒng)中,這樣的設(shè)計(jì)大大減少了耗水量和堿的使用量,讓整個脫硫過程更經(jīng)濟(jì)環(huán)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 H?S (G)+ OH? →HS?(L)+H?O  occurs, in which H?S  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)+1/2O?→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.

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  生物脫硫技術(shù)的特點(diǎn)和優(yōu)勢很明顯。首先,它的脫硫效率非常高,H?S  去除率最高能達(dá)到 99.5% 以上,還能順便去除像 COS 等其他有機(jī)硫化物,算得上是脫硫領(lǐng)域的 “全能選手”。其次,成本優(yōu)勢突出,該工藝只需要一定比例的壓縮空氣,補(bǔ)充少量營養(yǎng)液、軟化水和堿液,不用添加昂貴的化學(xué)試劑,運(yùn)行成本僅僅是傳統(tǒng)濕法脫硫(堿液洗滌)、干法(化學(xué)氧化)的三分之一,甚至十分之一。更值得一提的是,其脫硫的最終產(chǎn)品是高純度的單質(zhì)硫,沒有二次污染,不需要再進(jìn)行處理,還能直接銷售,帶來額外的收益。

  The characteristics and advantages of biological desulfurization technology are very obvious. Firstly, its desulfurization efficiency is very high, with a maximum H?S  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,生物脫硫技術(shù)不會降低沼氣的熱值,洗滌塔與洗滌液生物再生反應(yīng)器通過物理方式隔離,不會向沼氣中引入空氣或氧氣,保證了沼氣的品質(zhì)。它的抗負(fù)荷能力也很強(qiáng),即便 H?S  濃度在 100-40000ppm 之間大幅波動,對整個脫硫系統(tǒng)的影響也很小。同時,該技術(shù)的自動化程度很高,通過 PLC 和在線監(jiān)測儀表對關(guān)鍵參數(shù)進(jìn)行實(shí)時監(jiān)控,實(shí)現(xiàn)全自動運(yùn)行,幾乎不需要人工干預(yù),大大減輕了勞動強(qiáng)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 H?S  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.

  本文由生物脫硫友情奉獻(xiàn).更多有關(guān)的知識請點(diǎn)擊:http://m.851323.com我們將會對您提出的疑問進(jìn)行詳細(xì)的解答,歡迎您登錄網(wǎng)站留言.

  This article is a friendly contribution from biogas purification For more information, please click: http://m.851323.com We will provide detailed answers to your questions. You are welcome to log in to our website and leave a message

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