鑒于全球化石燃料所遇到的枯竭危機(jī)，對(duì)生物質(zhì)燃料的開(kāi)發(fā)和運(yùn)用已經(jīng)成為各國(guó)關(guān)注的要點(diǎn)。其中，沼氣和生物天然氣作為可再生動(dòng)力，具有運(yùn)用成本低、對(duì)環(huán)境無(wú)污染的特點(diǎn)，是代替常規(guī)化石動(dòng)力的環(huán)保燃料。隨著大型沼氣、生物天然氣工程的快速開(kāi)展，沼氣生物脫硫提純?yōu)楦吒郊又瞪锶細(xì)獾男枨笕找嫫惹?，沼氣凈化提純技能得到了不同程度的運(yùn)用和開(kāi)展。
In view of the global fossil fuel depletion crisis, the development and application of biomass fuel has become the focus of attention of all countries. Among them, biogas and biogas, as renewable power, have the characteristics of low cost and no pollution to the environment. They are high-quality environmental protection fuels to replace conventional fossil power. With the rapid development of large-scale biogas and bio natural gas projects, the demand for biogas biological desulfurization and purification to high value-added biogas is increasingly urgent. Biogas purification and purification skills have been applied and carried out in different degrees.
通過(guò)去除沼氣中的雜質(zhì)，來(lái)對(duì)沼氣進(jìn)行凈化提純，提純后的甲烷氣體濃度和焚燒熱值，即可代替天然氣用作城市管道燃?xì)饣蛘哂米鬈囉萌細(xì)猓梢怨?jié)省和代替很多化石動(dòng)力，減少污染物和溫室氣體排放，大大提高了沼氣工程的經(jīng)濟(jì)效益和沼氣的深度運(yùn)用。
By removing the impurities in biogas to purify and purify the biogas, the purified methane gas concentration and incineration calorific value can replace natural gas as urban pipeline gas or vehicle gas, which can save and replace a lot of fossil power, reduce pollutants and greenhouse gas emissions, and greatly improve the economic benefits of biogas project and the deep application of biogas.
沼氣生物脫硫
Biogas biological desulfurization
在我國(guó)，現(xiàn)在沼氣的生產(chǎn)加工技能和商業(yè)化運(yùn)轉(zhuǎn)體系也已經(jīng)逐步成熟，通過(guò)自主立異、引入并消化吸收了國(guó)外成熟的高含固量的有機(jī)廢棄物厭氧消化技能，其中以谷物秸稈、畜禽糞便、城市有機(jī)垃圾為處理對(duì)象的大型沼氣工程也取得了突破性發(fā)展，因而，相應(yīng)的沼氣凈化提純工藝技能也得到開(kāi)展，形成了一系列相對(duì)比較老練的技能。
In China, the production and processing skills and commercial operation system of biogas have gradually matured. Through independent innovation, introduction and digestion of foreign mature and advanced anaerobic digestion technology of high solid content organic waste, large-scale biogas projects with grain straw, livestock manure and urban organic waste as treatment objects have also made breakthrough development The technology of biogas purification and purification has also been carried out, forming a series of relatively sophisticated skills.
生物脫硫工藝是一種新式的脫硫工藝，越來(lái)越受到企業(yè)的歡迎。生物脫硫的基本原理是運(yùn)用硫桿菌屬和絲硫茵屬類微生物代謝的效果，將硫化氫與氧氣合成為硫酸鹽進(jìn)而除去沼氣中的硫氫，脫硫產(chǎn)品硫酸鹽。
Biological desulfurization process is a new desulfurization process, which is more and more welcomed by enterprises. The basic principle of biological desulfurization is to synthesize hydrogen sulfide and oxygen into sulfate by using the metabolic effect of Thiobacillus and Thiobacillus, and then remove the sulfur and hydrogen in biogas and desulfurize the product sulfate.
沼氣生物脫硫雖然其運(yùn)用較為快捷，運(yùn)轉(zhuǎn)成本較低，但由于脫硫過(guò)程中一起引入了雜質(zhì)氣體，在后續(xù)工序中無(wú)法去除，工藝還不夠成熟，大多運(yùn)用進(jìn)口技能和設(shè)備，因而投資成本相對(duì)較高，大約為常規(guī)干法脫硫的3～5倍。
Although biogas biological desulfurization is relatively fast and has low operation cost, due to the introduction of impurity gas in the desulfurization process, it can not be removed in the follow-up process, and the process is not mature enough. Most of them use imported skills and equipment, so the investment cost is relatively high, which is about 3-5 times of that of conventional dry desulfurization.
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2020-07-03
