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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(diǎn)
  1. Characteristics of dry desulfurization
  ①結(jié)構(gòu)簡(jiǎn)單,使用方便。
 ?、?The structure is simple and easy to use.
  ②工作過(guò)程中無(wú)需人員值守,定期換料,一用一備,交替運(yùn)行。
 ?、?In the process of operation, there is no need for one on duty.
  ③脫硫率新原料時(shí)較高,后期有所降低。
 ?、?The desulfurization rate of new raw materials was higher than that of new raw materials, but decreased in the later stage.
 ?、芘c濕式相比,需要定期換料。
 ?、?Periodic refuelling is required compared to wet.
  ⑤運(yùn)行費(fèi)用偏高。
  ⑤ The operation cost is high.
              生物脫硫
  2.濕法脫硫的特點(diǎn)
  2. Characteristics of wet desulfurization
 ?、僭O(shè)備可長(zhǎng)期不停的運(yùn)行,連續(xù)進(jìn)行脫硫。
  ① The equipment can operate continuously for a long time.
 ?、谟肞H值來(lái)保持脫硫效率,運(yùn)行費(fèi)用低。
  ② Using pH value to keep desulfurization efficiency is low.
 ?、酃に噺?fù)雜需要專人值守。
 ?、?The process is complex and requires special personnel on duty.
  ④設(shè)備需保養(yǎng)。
  ④ The equipment needs maintenance.
  3.生物脫硫的特點(diǎn)
  3. Characteristics of biological desulfurization
 ?、俨恍璐呋瘎┖脱趸瘎?空氣除外)。
 ?、?No catalyst and oxidant (except air) is required.
  ②不需處理化學(xué)污泥。
  ② There is no need to treat chemical sludge.
 ?、郛a(chǎn)生很少生物污染,低能耗,回收硫,效率高,無(wú)臭味。
 ?、?It produces little biological pollution, low energy consumption, sulfur recovery, high efficiency and no odor.
  ④缺點(diǎn)是過(guò)程不易控制,條件要求苛刻等。
 ?、?The disadvantages are that the process is not easy to control and the conditions are demanding.
  脫硫劑怎樣進(jìn)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?cái)偡旁谄秸⒏蓛?、背?yáng)、通風(fēng)的場(chǎng)地,經(jīng)常翻動(dòng)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(shù)特點(diǎn):
  Characteristics of biogas desulfurization desulfurization technology:
  1、天然氣凈度可根據(jù)實(shí)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(yùn)行成本低,1000Nm?實(shí)際脫硫費(fèi)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(dǎo)致的生產(chǎn)成本增加的問(wèn)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(yùn)行安全,脫硫效率高的特點(diǎn)。脫硫效率可達(dá)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(jī)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(shù)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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