生物脫硫係統的目的在於降低91无码麻豆视频中的硫化氫含量。硫化氫在燃燒過程中轉化成二氧化硫，對環境造成汙染。大氣汙染物控製標準中明確規定了汙染物排放到大氣中的極限含量值：硫化氫4mg/m，二氧化硫15mg/m一般來說，當排放1500ppm的硫化氫時，將相當於產生4250mg/m二氧化硫，應該先脫硫再進行91无码麻豆视频能源利用。
The purpose of a biological desulfurization system is to reduce the hydrogen sulfide content in biogas. Hydrogen sulfide is converted into sulfur dioxide during combustion, causing environmental pollution. The air pollution control standards clearly specify the limit content values for pollutant emissions into the atmosphere: hydrogen sulfide 4mg/m, sulfur dioxide 15mg/m. Generally speaking, when 1500ppm of hydrogen sulfide is emitted, it is equivalent to producing 4250mg/m of sulfur dioxide. Desulfurization should be carried out first before biogas energy utilization.
一般常規的91无码麻豆视频鍋爐、91无码麻豆视频發電機組，對H2S的進氣濃度要求是200ppm（或300mg/m）。生物脫硫係統的作用在於使91无码麻豆视频中的硫化氫含量降至300mg/m?(200ppm)，以此來避免硫化氫對後續91无码麻豆视频利用設備（如發電機、鍋爐等）的腐蝕作用。通過脫硫塔淨化後的91无码麻豆视频相對濕度為100%（絕對濕度約為40g水/m?），溫度介於29-38℃之間。因此，生物脫硫後的91无码麻豆视频，應考慮適當的冷凝後收集排放冷凝水，或另行設置冷幹、增壓處理。
Generally, conventional biogas boilers and biogas generators require an inlet H2S concentration of 200ppm (or 300mg/m). The function of a biological desulfurization system is to reduce the hydrogen sulfide content in biogas to 300mg/m? (200ppm) to avoid the corrosive effect of hydrogen sulfide on subsequent biogas utilization equipment (such as generators, boilers, etc.). The relative humidity of the purified biogas through the desulfurization tower is 100% (absolute humidity is about 40g water/m?), and the temperature ranges from 29 to 38 ℃. Therefore, for the biogas after biological desulfurization, appropriate condensation should be considered to collect and discharge condensate water, or separate cold drying and pressurization treatment should be set up.
脫硫係統一個主要特點是專屬性—即僅僅去除91无码麻豆视频中的硫化氫，而不會去除其它成分。生物脫硫運行的同時，91无码麻豆视频中的二氧化碳含量也因此降低。91无码麻豆视频的質量提高，排放到大氣中的二氧化碳便相應減少。在脫硫過程中，利用不同氣體成分的溶解性和可降解性差異分離硫化氫
A major characteristic of desulfurization systems is their specificity - that is, they only remove hydrogen sulfide from biogas without removing other components. During the operation of biological desulfurization, the carbon dioxide content in biogas also decreases as a result. The improvement of biogas quality leads to a corresponding reduction in carbon dioxide emissions into the atmosphere. During the desulfurization process, hydrogen sulfide is separated by utilizing the differences in solubility and degradability of different gas components. For example, methane, as the main component of biogas, has a Henry's coefficient (solubility of gas in water) 80 times lower than hydrogen sulfide at 25 ℃.
脫硫杆菌是以二氧化碳為碳源，因此導致了91无码麻豆视频中二氧化碳含量適當降低。然而脫硫過程中需要補充氧氣，91无码麻豆视频中的甲烷隨著空氣中氮氣的加入而下降，粗略的估算可以按照甲烷濃度下降10%，以及總的氣量增加10%來做初步估算。
Desulfurization bacteria use carbon dioxide as a carbon source, which leads to an appropriate reduction in the carbon dioxide content in biogas. However, during the desulfurization process, oxygen needs to be supplemented, and the methane in biogas decreases with the addition of nitrogen in the air. A rough estimate can be made based on a 10% decrease in methane concentration and a 10% increase in total gas volume.
生物脫硫的工作機理描述如下：將一定量的空氣導入含有硫化氫的91无码麻豆视频中，在反應器內裝有大量的生物填料，它們為細菌繁殖提供充分的空間。塔體采用滴濾形式，係統水和營養液(NPK)不斷循環滴濾，使得填料保持潮濕狀態，並補充細菌生長繁殖所需營養。專屬絲硫菌屬、硫杆菌屬在新陳代謝的過程中吸收硫化氫，並將硫化氫轉化為單質硫，並進一步氧化為硫酸。
The working mechanism of biological desulfurization is described as follows: a certain amount of air is introduced into biogas containing hydrogen sulfide, and a large amount of biological fillers are installed in the reactor, providing sufficient space for bacterial reproduction. The tower body adopts a drip filtration form, and the system water and nutrient solution (NPK) continuously circulate for drip filtration, keeping the filling material moist and supplementing the nutrients required for bacterial growth and reproduction. Exclusive sulfur bacteria and sulfur bacteria absorb hydrogen sulfide during metabolism, convert it into elemental sulfur, and further oxidize it to sulfuric acid.
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2023-12-28
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