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沼氣提純精制天然氣脫硫技術(shù)的選擇!

沼氣提純精制天然氣中脫硫技術(shù)路線的選擇應(yīng)重點(diǎn)考慮硫化氫濃度、處理規(guī)模、濃度波動(dòng)范圍、處理費(fèi)用等幾個(gè)方面。當(dāng)硫化氫濃度較高及處理規(guī)模較大時(shí),易采用堿洗生物再生脫硫技術(shù)和或堿洗催化再生脫硫技術(shù)。在運(yùn)行成本面前相對(duì)后者較低,但在抗?jié)舛茸兓瘺_擊方面,后者又優(yōu)于前者,同時(shí)在投資方面,后者也優(yōu)于前者。

The selection of desulfurization technology route in biogas purification and refining natural gas should focus on hydrogen sulfide concentration, treatment scale, concentration fluctuation range and treatment cost. When the concentration of hydrogen sulfide is high and the treatment scale is large, alkali washing biological regeneration desulfurization technology and alkali washing catalytic regeneration desulfurization technology are easy to be used. Compared with the latter, the latter is lower in terms of operation cost, but in terms of resisting the impact of concentration change, the latter is better than the former, and in terms of investment, the latter is also better than the former.
近幾年,國內(nèi)少數(shù)企業(yè)和科研機(jī)構(gòu)合作研究,根據(jù)沼氣項(xiàng)目及沼氣中硫化氫的特性,對(duì)堿洗催化再生脫硫技術(shù)進(jìn)行了大量富有成效的改進(jìn)和提升,特別是解決了像堵塔、再生效果不好、單質(zhì)硫不易拿出等高濃度硫化氫脫除上的難題。
In recent years, a few enterprises and scientific research institutes in China have cooperated in the research. According to the characteristics of biogas projects and hydrogen sulfide in biogas, a large number of effective improvements and improvements have been made in the alkali washing catalytic regeneration desulfurization technology, especially in the removal of high concentration hydrogen sulfide such as blocking tower, poor regeneration effect and difficulty in extracting elemental sulfur. Difficulties.
沼氣提純
干法脫硫、PSA和膜法脫硫多適用于硫化氫初脫后的精脫硫,或氣量比較小、硫化氫濃度比較低的沼氣精制項(xiàng)目; 生物脫硫雖然運(yùn)行成本比較低,但因?yàn)橐肓舜罅康牡醯入s質(zhì)氣體而不宜在沼氣精制天然氣領(lǐng)域應(yīng)用。
Dry desulfurization, PSA and membrane desulfurization are mostly suitable for refined desulfurization after initial desulfurization of hydrogen sulfide, or for biogas refining projects with small gas volume and low concentration of hydrogen sulfide. Although biological desulfurization has low operation cost, it is not suitable to be applied in the field of biogas refining natural gas because of the introduction of a large number of impurity gases such as nitrogen and oxygen.
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The wonderful content of this article is provided by the biogas purification edition. There are many wonderful contents on this website. You can click on more content to enter: http://m.jdl123.com. Our customer service will answer your patiently questions. Welcome to consult!

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