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探究生物脱硫的特点及过程!

时间:2021-02-22
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据悉,生物脱硫技术包括生物过滤、生物吸附和滴滤。这三个系统是开放系统,它们的微生物种群随环境的变化而变化。
It is reported that biological desulfurization technology includes biofiltration, biosorption and trickle filtration. These three systems are open systems, and their microbial populations vary with the environment.
特点:
characteristic:
1、效率高:硫化氢清理率达98.5%。
1. High efficiency: the removal rate of hydrogen sulfide is 98.5%.
2、高适应范围:可处理硫化氢浓度达1.5%(15000ppm)。
2. High adaptability: it can process 1.5% (15000ppm) hydrogen sulfide.
3、成本低:与其它脱硫技能相比,运行成本较低。
3. Low cost: compared with other desulfurization skills, the operation cost is lower.
4、高平安性:设有多种保护装置。
4. High safety: with a variety of protective devices.
5、无人值守:系统通过在线监测系统全自动运行。
5. Unattended: the system runs automatically through online monitoring system.
6、维护简单:少量的维护工作(如定期校正PH探头)。
6. Simple maintenance: a small amount of maintenance work (such as regular calibration of pH probe).
生物脱硫的三个步骤:
There are three steps in biological desulfurization
1、溶解:
1. Dissolution:
废气与水或固体表面水膜的接触是溶于水或液相的分子或离子,即恶臭物质从气相转移到液相,这一步就是亨利物理过程定律。
The contact between waste gas and water or water film on solid surface is molecules or ions dissolved in water or liquid phase, that is, the transfer of malodorous substances from gas phase to liquid phase. This step is Henry's law of physical process.
             生物脱硫
2、吸附和吸取:
2. Adsorption and absorption:
水溶液中的恶臭成分被微生物吸取。水从水中转移到微生物中,作为吸取剂的水被复生和回收,然后新的有气味的成分被溶解。
The odor components in the aqueous solution are absorbed by microorganisms. The water is transferred from the water to the microorganism, the water as absorbent is regenerated and recycled, and then the new odorous components are dissolved.
3、生物降解:
3. Biodegradation:
进到微生物胞体的气味成分被区分为微生物生命活动的动能或营养物质,从而清理污染物。
The odor components entering the microbial cell body are divided into kinetic energy or nutrients of microbial life activities, so as to clean up the pollutants.
进到微生物胞体的物质被胞体里的酶氧化和分化,合成产生新的微生物胞体。
The substances entering into the cell body of microorganism are oxidized and differentiated by enzymes in the cell body to produce new microbial cell bodies.
用双膜生物膜理论说明含硫废气的生物处理也有三个类似的步骤:
There are three similar steps to explain the biological treatment of sulfur-containing waste gas with the theory of double membrane biofilm
含硫气与水或固体表面的水膜接触,气体中的硫溶于水,在液相中变成分子或离子。硫从气相转移到液相。这个过程是一个物理过程,遵循亨利定律。
Sulfur gas contacts with water or water film on solid surface. Sulfur in gas dissolves in water and becomes molecule or ion in liquid phase. Sulfur is transferred from the gas phase to the liquid phase. This process is a physical process, following Henry's law.
生物脱硫时,水溶液中的硫在浓度差的推动下扩散到生物膜中,被微生物吸取。硫由水转化为微生物,作为微生物的营养和能量。
In the process of biological desulfurization, the sulfur in the aqueous solution diffuses into the biofilm and is absorbed by microorganisms. Sulfur is transformed from water to microorganism, which is used as nutrition and energy of microorganism.
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Thank you for reading, hope to help you, if you want to know more information, please click the website .

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