沼氣系列技術(shù)是一類(lèi)化腐朽為神奇的綠色生態(tài)技術(shù)，這類(lèi)技術(shù)當(dāng)前的重要走向是“資源化利用”，而背后當(dāng)然依靠新技術(shù)的強(qiáng)有力支撐。鏈科技小編今天重點(diǎn)介紹一款鏈科技成果庫(kù)項(xiàng)目“高性能中空纖維沼氣分離膜”。
Biogas series technology is a type of green ecological technology that transforms decay into magic. The current important trend of this type of technology is "resource utilization", and it naturally relies on strong support from new technologies. Today, the editor of Chain Technology will focus on introducing a chain technology achievement library project called "High performance hollow fiber biogas separation membrane".
我們知道，沼氣是有機(jī)物質(zhì)在厭氧條件下，經(jīng)過(guò)微生物的發(fā)酵作用而生成的一種可燃?xì)怏w。沼氣是多種氣體的混合物，一般含甲烷50～70%，其余為二氧化碳和少量的氮、氫和硫化氫等。其特性與天然氣相似?？諝庵腥绾?.6～20.8%體積的沼氣，就可能形成燃?xì)獗?。就用途而言，沼氣主要用作燃料，近年?lái)沼氣發(fā)電、沼氣電池的研究也被推上前臺(tái)。
We know that biogas is a combustible gas generated by the fermentation of organic matter under anaerobic conditions by microorganisms. Biogas is a mixture of various gases, generally containing 50-70% methane, while the rest is carbon dioxide and a small amount of nitrogen, hydrogen, and hydrogen sulfide. Its characteristics are similar to natural gas. If the air contains 8.6 to 20.8% volume of biogas, it may form a gas explosion. In terms of usage, biogas is mainly used as fuel, and in recent years, research on biogas power generation and biogas batteries has also been promoted to the forefront.
再介紹一點(diǎn)有關(guān)沼氣技術(shù)的有趣故事，那就是沼氣技術(shù)的發(fā)展歷程。沼氣的歷史毋庸多言，它應(yīng)該比人類(lèi)還早，但沼氣的定義及技術(shù)卻出現(xiàn)很晚。沼氣現(xiàn)代意義上的明確定義由意大利物理學(xué)家A.沃爾塔于1776年在沼澤地發(fā)現(xiàn)并完成。
Another interesting story about biogas technology is the development process of biogas technology. The history of biogas goes without saying, it should have been earlier than humans, but the definition and technology of biogas emerged very late. The clear definition of biogas in the modern sense was discovered and completed by Italian physicist A. Wardha in the marsh in 1776.
鏈科技成果庫(kù)項(xiàng)目：高性能中空纖維沼氣分離膜。高性能中空纖維沼氣分離膜及膜法沼氣提純制壓縮天然氣。與傳統(tǒng)分離方法相比，膜分離過(guò)程具有設(shè)備體積小、能耗低、投資低、操作維修便捷等優(yōu)點(diǎn)，更為重要的是膜分離技術(shù)也更加安全， 容易規(guī)?；糯?，不添加額外的有害化學(xué)物質(zhì)，再處理規(guī)模不太大，而且二氧化碳含量較高的沼氣凈化過(guò)程中更具優(yōu)勢(shì)。
Chain Technology Achievement Library Project: High performance hollow fiber biogas separation membrane. High performance hollow fiber biogas separation membrane and membrane biogas purification to produce Compressed natural gas. Compared with traditional separation methods, membrane separation process has advantages such as small equipment volume, low energy consumption, low investment, and convenient operation and maintenance. More importantly, membrane separation technology is also safer, easy to scale up, does not add additional harmful chemicals, and does not have a large reprocessing scale. Moreover, biogas purification processes with high carbon dioxide content have more advantages.
膜分離法提純沼氣可以使產(chǎn)品氣甲烷濃度達(dá)到 95%以上，回收率高于92%。而且與水洗、吸收等方法相比，無(wú)需大量水或化學(xué)吸收劑，操作壓力低，對(duì)外部環(huán)境要求低，并且為模塊化系統(tǒng)，在氣源枯竭或需要另外選址時(shí)，容易搬遷移動(dòng)。
The membrane separation method for purifying biogas can achieve a methane concentration of over 95% in the product gas and a recovery rate of over 92%. Moreover, compared to methods such as water washing and absorption, it does not require a large amount of water or chemical absorbents, has low operating pressure, low requirements for the external environment, and is a modular system, making it easy to relocate and move when the gas source is depleted or another location needs to be selected.
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