沼氣脫硫應用絡合鐵脫硫技術，進行沼氣中所含有的硫化氫氣體的脫除，看似簡單，實則也存在較多的工程要則在其中。
The complex iron desulfurization technology is applied to remove hydrogen sulfide gas contained in biogas. It seems simple, but there are many engineering essentials in it.
沼氣的來源比擬多樣，沼氣是各種有機物質在隔絕空氣，并在適合溫度、濕度的條件下，經過微生物的發酵作用而產生的一種可燃性氣體，普通是由多種氣體組成的混合氣體，含有甲烷、二氧化碳、硫化氫、一氧化碳、氫、氧、氮等氣體，主要的成分是甲烷和二氧化碳，其它組成含量較低。
Biogas comes from various sources. Biogas is a kind of combustible gas produced by various organic substances through the fermentation of microorganisms under the conditions suitable for temperature and humidity. It is generally a mixture of gases, including methane, carbon dioxide, hydrogen sulfide, carbon monoxide, hydrogen, oxygen, nitrogen and other gases. The main components are methane and dioxygen The content of other components is low.
沼氣熄滅能夠供應能源，同時也能合成不需求的物質，所以應用發酵這個過程能夠完成環保功用也能夠回收應用能源。沼氣應用過程普通都需求脫除硫化氫，這方面的脫除處置十分普遍和成熟。
Biogas extinguishment can supply energy, and at the same time, it can synthesize substances that are not needed, so the application of fermentation can complete the environmental protection function and can also recover energy. Generally, hydrogen sulfide removal is required in the application process of biogas, which is very common and mature.
傳統的民用沼氣池，采用氧化鐵脫硫劑居多，量小，適用且便當。
The traditional civil biogas digesters mostly use iron oxide desulfurizer, which is small in quantity, suitable and convenient.
比照新近能夠采用的絡合鐵脫硫技術，用于沼氣脫硫時，我們傾向于討論諸如范圍化的中小企業發酵沼氣池的處置。例如畜禽養殖沼氣，城鎮污水沼氣凈化，制藥廠沼氣，造紙廠沼氣，酒廠，糖廠沼氣，渣滓處置沼氣池等都有沼氣的處置需求。限制了絡合鐵脫硫應用于普遍沼氣脫硫的緣由，主要還是在于，絡合鐵脫硫技術用于沼氣，是在一定的范圍段應用才有經濟性，而同時絡合鐵脫硫技術用于沼氣，是有一定的技術竅門在其中的。
Compared with the recently used complex iron desulfurization technology, we tend to discuss the treatment of fermentation biogas digesters in small and medium-sized enterprises. For example, biogas for livestock and poultry breeding, biogas purification for urban sewage, biogas for pharmaceutical plants, biogas for paper mills, biogas for distilleries, biogas for sugar factories, biogas digesters for waste disposal, etc. all have biogas disposal needs. The main reason that limits the application of complex iron desulfurization technology in general biogas desulfurization is that the application of complex iron desulfurization technology in biogas is economical only in a certain range, and at the same time, complex iron desulfurization technology in biogas has certain technical know-how.
從絡合鐵脫硫技術在國內應用的推行來看，國產化不斷在相關研討院停止，且主要在油田范疇，主要是早期絡合鐵脫硫催化劑由國外引進，價錢昂揚，技術費用較高，只能應用于價值較高的油氣田才干支撐。但隨著代理的開展，及大學，研討院所，企業的推進，整個絡合鐵脫硫行業應用似乎步入快速開展。這其中做了較大奉獻的唐山綠源環保公司，特地從事絡合鐵脫硫技術及硫化氫管理的民營企業做了較多的研發投入與市場耕耘。同時該企業也是國內絡合鐵脫硫范疇的探究者，開發培育者。
From the perspective of domestic application of complex iron desulfurization technology, localization has been stopped in relevant research institutes, and it is mainly in the field of oil field. The main reason is that the early complex iron desulfurization catalyst was introduced from abroad with high price and high technical cost. It can only be used in oil and gas fields with high value to support. However, with the development of agents, universities, research institutes and enterprises, the application of the whole complex iron desulfurization industry seems to be developing rapidly. Among them, Tangshan Lvyuan environmental protection Co., Ltd., which has made great contribution, has made more research and development investment and market cultivation for private enterprises specially engaged in complex iron desulfurization technology and hydrogen sulfide management. At the same time, the enterprise is also a researcher, developer and cultivator in the field of domestic complex iron desulfurization.
絡合鐵脫硫工藝在工程上應用堿性絡合鐵催化劑的氧化復原性質，吸收原料氣中的H2S。H2S被絡合鐵催化劑直接氧化生成單質硫，絡合鐵轉化為絡合亞鐵，然后在再生過程中鼓入空氣，以空氣氧化催化劑富液中的絡合亞鐵，使催化劑富液中的絡合亞鐵轉化為絡合鐵，從而再生回用。產生的硫磺經過硫磺回收系統處置。
In the process of complex iron desulfurization, the oxidation recovery property of basic complex iron catalyst is applied to absorb H2S in feed gas. H2S is directly oxidized by iron complex catalyst to generate elemental sulfur, which is converted into iron complex. Then air is blown in the regeneration process to oxidize the iron complex in the rich solution of catalyst by air, so that the iron complex in the rich solution of catalyst can be converted into iron complex, so as to be recycled. The generated sulfur is disposed by sulfur recovery system.
沼氣應用絡合鐵脫硫，特性有
Biogas is desulfurized by complex iron with the following characteristics
1. 處置后凈化氣中H2S含量：≤10ppm；
1. H2S content in purified gas after treatment: ≤ 10ppm;
2. 操作彈性：60～120%；
2. Operation flexibility: 60-120%;
3. 可停止橇裝一體化；
3. Skid integration can be stopped;
4. 副產硫膏或硫磺，且質量較高
4. By product sulfur paste or sulfur with high quality
由于絡合鐵催化劑對硫化氫轉化為硫磺的選擇性到達99%以上，無副鹽產生，也不存在要向外排放廢液的狀況，局部排放的氣體經再生廢氣別離器分液回收攜帶的溶液后，是能夠平安、無污染排放的。安裝也不存在大的固廢和噪聲污染源。
As the selectivity of the complex iron catalyst for the conversion of hydrogen sulfide to sulfur reaches over 99%, there is no by-salt produced, and there is no need to discharge the waste liquid outward. The locally discharged gas can be discharged safely and without pollution after the solution carried by the regeneration waste gas separator is recovered. There is no large solid waste and noise pollution source in the installation.
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2019-12-05
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