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干、湿式脱硫技术和【澳门皇冠金沙网站】技术的优缺点

时间:2019-03-11
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沼气直接燃烧或沼气发电之前一般都经过沼气脱硫工艺的处理。目前沼气脱硫工艺包括干法脱硫、湿法脱硫和【澳门皇冠金沙网站】三种。他们分别有什么特点呢?哪一种脱硫工艺更拥有发展前景呢?
Biogas desulfurization process is usually used before direct combustion of biogas or biogas power generation. At present, biogas desulfurization technology includes dry desulfurization, wet desulfurization and biological desulfurization. What are their characteristics? Which desulfurization process has more development prospects?
1.干法脱硫的特点:结构简单,使用方便。工作过程中无需人员值守,定期换料,一用一备,交替运行。脱硫率新原料时较高,后期有所降低。需要定期换料。运行费用偏高。
1. Dry desulfurization features: simple structure, easy to use. In the process of work, there is no need for personnel to be on duty, periodically changing materials, one with equipment, alternating operation. The desulfurization rate of the new raw material is higher, but it decreases later. Regular replacement is required. The operation cost is on the high side.
2.湿法脱硫的特点:设备可长期不停的运行,连续进行脱硫。用PH值来保持脱硫效率,运行费用低。工艺复杂需要专人值守。设备需保养。
2. The characteristics of wet desulfurization: the equipment can be operated continuously for a long time. The PH value is used to maintain the desulfurization efficiency and the operation cost is low. Complex technology requires special personnel on duty. Equipment needs to be maintained.
而【澳门皇冠金沙网站】技术包括生物过滤法、生物吸附法和生物滴滤法,三种系统均属开放系统,其微生物种群随环境改变而变化。在【澳门皇冠金沙网站】过程中,氧化态的含硫污染物必须先经生物还原作用生成硫化物或H2S然后再经生物氧化过程生成单质硫,才能去除。在大多数生物反应器中,微生物种类以细菌为主,真菌为次,极少有酵母菌。【澳门皇冠金沙网站】不需催化剂和氧化剂;只产生很少的生物污染,低能耗,回收硫,效率高,无臭味。
沼气提纯
Biodesulfurization technology includes biofiltration, biosorption and trickling filtration. The three systems are open systems, and their microbial populations vary with the environment. In the process of biological desulfurization, oxidized sulfur-containing pollutants must be biodeoxidized to form sulfides or H2S and then bio-oxidized to form elemental sulfur in order to remove them. In most bioreactors, bacteria are the main microbial species, fungi are the second, and yeasts are rare. Biological desulfurization does not need catalysts and oxidants; it produces little biological pollution, low energy consumption, recovery of sulfur, high efficiency and odorless.
但是由于过程不易控制,条件要求极其苛刻,目前国内【澳门皇冠金沙网站】技术还未形成一定规模的工业应用。
However, because the process is not easy to control and the conditions are extremely demanding, the domestic biological desulfurization technology has not yet formed a certain scale of industrial application.
以上精彩内容由山东恒能环保能源设备整理提供,更多关于【澳门皇冠金沙网站】技术的内容,欢迎收藏大家的官网:
The above wonderful content is provided by Shandong Heneng Environmental Protection Energy Equipment. More about Biological Desulfurization Technology. Welcome to collect our official website: .
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