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激光气体分析技术在沼气净化提纯中的应用

沼气是一种理想的清洁能源,应用途经广泛,但不同的利用方式对沼气的品质要求不同,沼气的主要利用途径及其品质要求如下:
Biogas is an ideal clean energy source with a wide range of applications, but different utilization methods have different requirements for the quality of biogas. The main utilization methods and quality requirements of biogas are as follows:
燃烧供热。这是发展中常见的沼气利用形式,如我国普遍采用的农村户用式沼气池,它们一般用于提供炊事和照明燃料。农村户用式沼气池工程技术简单,投资小见效快,沼气一般只需进行简单的脱硫和脱水处理。
Combustion heating. This is a common form of biogas utilization in developing countries, such as the commonly used rural household biogas digesters in China, which are generally used to provide cooking and lighting fuel. The technology of rural household biogas digesters is simple, with small investment and quick results. Generally, biogas only needs to undergo simple desulfurization and dehydration treatment.
沼气发电机热电联产。这是大中型沼气工程普遍采用的沼气利用方式。为避免沼气中杂质对发动机的不良影响,沼气需进行脱水和脱除硫化物卤代烃硅氧烷等杂质气体的处理。
沼气脱硫
Biogas generator cogeneration. This is a commonly used biogas utilization method in large and medium-sized biogas projects. To avoid the adverse effects of impurities in biogas on the engine, biogas needs to be dehydrated and treated to remove impurities such as sulfides, halogenated hydrocarbons, and siloxanes.
沼气燃料电池。沼气发电的电效率一般低于35%且单位投资相对较高,而用于燃料电池的电效率可达到40%~60%。沼气用于燃料电池需要分离CO2,去除H2S卤素和CO等痕量气体。
Biogas fuel cells. The electricity efficiency of biogas power generation is generally lower than 35% and the unit investment is relatively high, while the electricity efficiency used for fuel cells can reach 40%~60%. The use of biogas in fuel cells requires the separation of CO2 and the removal of trace gases such as H2S, halogens, and CO.
沼气纯化后用管道天然气和用作汽车燃料。该利用方式对沼气品质要求很高,沼气不仅要脱水,去除杂质气体,还要去除CO2以得到高品质的生物甲烷。
After purification, biogas is used as pipeline natural gas and as car fuel. This utilization method requires high quality of biogas, which not only requires dehydration and removal of impurities, but also removes CO2 to obtain high-quality biomethane.
沼气用作化工生产原料。用来制造氢气和炭黑,并可进一步制成乙炔汽油酒精人造纤维和人造皮革等各种化工产品。
Biogas is used as a raw material for chemical production. It is used to produce hydrogen and carbon black, and can further be made into various chemical products such as acetylene, gasoline, alcohol, artificial fibers, and artificial leather.
三沼气净化与提纯工艺汇总
Summary of Three Biogas Purification and Purification Processes
沼气净化一般是去除沼气中微量的有害组分,如沼气脱硫脱氧干燥技术等。沼气提纯是去除沼气中的二氧化碳,以提高燃气的适用性和热值。经过净化提纯得到的生物天然气,通常含有95%~97%的甲烷和1%~3%的二氧化碳,可以作为替代天然气使用。
Biogas purification generally involves removing trace harmful components from biogas, such as biogas desulfurization and deoxygenation drying technology. Biogas purification is the removal of carbon dioxide from biogas to improve its applicability and calorific value. Bionatural gas obtained through purification usually contains 95% to 97% methane and 1% to 3% carbon dioxide, which can be used as a substitute for natural gas.
本文的精彩内容由沼气脱硫提供知识提供,本网站还有很多的精彩内容,更多的内容您可以点击进入:我们有专门的客服为您解答问题
The exciting content of this article is provided by the knowledge of biogas desulfurization. There are also many exciting content on this website, and you can click to enter more content: We have dedicated customer service to answer your questions

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