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沼氣脫硫方法的三種比較？

　　沼氣脫硫 -三、干法、濕法、生物脫硫的比較

　　Biogas desulfurization - Comparison of dry, wet and biological desulfurization
　　1.干法脫硫的特點
　　1. Characteristics of dry desulfurization
　　①結構簡單，使用方便。
　　① The structure is simple and easy to use.
　　②工作過程中無需人員值守，定期換料，一用一備，交替運行。
　　② In the process of operation, there is no need for one on duty.
　　③脫硫率新原料時較高，后期有所降低。
　　③ The desulfurization rate of new raw materials was higher than that of new raw materials, but decreased in the later stage.
　　④與濕式相比，需要定期換料。
　　④ Periodic refuelling is required compared to wet.
　　⑤運行費用偏高。
　　⑤ The operation cost is high.
              生物脫硫
　　2.濕法脫硫的特點
　　2. Characteristics of wet desulfurization
　　①設備可長期不停的運行，連續(xù)進行脫硫。
　　① The equipment can operate continuously for a long time.
　　②用PH值來保持脫硫效率，運行費用低。
　　② Using pH value to keep desulfurization efficiency is low.
　　③工藝復雜需要專人值守。
　　③ The process is complex and requires special personnel on duty.
　　④設備需保養(yǎng)。
　　④ The equipment needs maintenance.
　　3.生物脫硫的特點
　　3. Characteristics of biological desulfurization
　　①不需催化劑和氧化劑(空氣除外)。
　　① No catalyst and oxidant (except air) is required.
　　②不需處理化學污泥。
　　② There is no need to treat chemical sludge.
　　③產(chǎn)生很少生物污染，低能耗，回收硫，效率高，無臭味。
　　③ It produces little biological pollution, low energy consumption, sulfur recovery, high efficiency and no odor.
　　④缺點是過程不易控制，條件要求苛刻等。
　　④ The disadvantages are that the process is not easy to control and the conditions are demanding.
　　脫硫劑怎樣進行再生？
　　How to regenerate desulfurizer?
　　脫硫劑再生的方法是：將失去活性的脫硫劑取出，均勻疏松地攤放在平整、干凈、背陽、通風的場地，經(jīng)常翻動脫硫劑，使其與空氣充分接觸，氧化再生。
　　The regeneration method of desulfurizer is as follows: take out the deactivated desulfurizer, spread it evenly and loosely in a flat, clean, sunny and ventilated place, and often turn the desulfurizer to make it fully contact with the air for oxidation regeneration.
　　沼氣脫硫 - 脫硫技術特點：
　　Characteristics of biogas desulfurization desulfurization technology:
　　1、天然氣凈度可根據(jù)實際需要調(diào)節(jié)，可以平穩(wěn)的控制煤氣中的H2S的含量。
　　1. The purity of natural gas can be adjusted according to the actual needs, and the content of H2S in the gas can be controlled smoothly.
　　2、與干法脫硫相比，雖然投資是干法脫硫的2-3倍，但是運行成本低，1000Nm?實際脫硫費用為4元左右，避免了干式脫硫系統(tǒng)因脫硫劑再生后脫硫效果差及硫的吸附等原因而導致的生產(chǎn)成本增加的問題。
　　2. Compared with dry desulfurization, although the investment is 2-3 times of that of dry desulfurization, the operation cost is low. The actual desulfurization cost of 1000nm? Is about 4 yuan, which avoids the production cost increase of dry desulfurization system due to poor desulfurization effect after regeneration of desulfurizer and sulfur adsorption.
　　3、具有操作穩(wěn)定、運行安全，脫硫效率高的特點。脫硫效率可達到97%以上,脫硫后煤氣中H2S含量<50mg/Nm3。
　　3. It has the characteristics of stable operation, safe operation and high desulfurization efficiency. The desulfurization efficiency can reach more than 97%, and the content of H2S in the gas after desulfurization is less than 50mg / Nm3.
　　4、如果脫硫催化劑是PDS或’888’,不但能脫除H2S而且能脫煤氣中占總硫含硫10%左右的部分有機硫。
　　4. If the desulfurization catalyst is PDS or '888', not only H2S can be removed, but also some organic sulfur which accounts for about 10% of the total sulfur in the gas can be removed.
　　濕法天然氣脫硫技術適用范圍：
　　Application scope of wet natural gas desulfurization technology:
　　適用于各種煤氣、沼氣和天然氣的脫硫(H2S)。
　　It is suitable for desulfurization (H2S) of gas, biogas and natural gas.

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