Biological desulfurization skills include biofiltration, biosorption and trickle filtration. These three microbial systems change with the environment.、

生物脱硫的特点?

Characteristics of biological desulfurization?

1、效率高：?硫化氢除去率达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 adaptive range:? Can handle hydrogen sulfide concentration up to 1.5%? （15000ppm）

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 low

4、高平安性:?设有多种保护装置

4. High security:? It is equipped with a variety of protection 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 operates automatically through the on-line 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? (e.g. periodic calibration of pH probe)

生物脱硫的三个步骤：

Three steps of biological desulfurization:

溶解

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, odor substances are transferred from gas phase to liquid phase, which is Henry's law of physical process.

吸附和吸收

Adsorption and absorption

水溶液中的恶臭成分被微生物吸收。水从水中转移到微生物中，作为吸收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. Water is transferred from the water to microorganisms, and the water as an absorbent is regenerated and recycled, and then the new odorous components are dissolved.

生物降解

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，从而除去污染物。

The odor components entering the microbial cell body are divided into kinetic energy or nutrients of microbial life activities, so as to remove 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。

Substances entering the microbial cell body are oxidized and differentiated by enzymes in the cell body to synthesize and produce new microbial cell bodies.

用双膜生物膜理论解释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 by using the double membrane biofilm Theory:

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 containing gas contacts with water or the water film on the solid surface. The sulfur in the gas dissolves in water and becomes molecules or ions in the liquid phase. Sulfur is transferred from the gas phase to the liquid phase. This process is a physical process and follows Henry's law.

水溶液中的硫在浓度差的推动下扩散到生物膜中，被微生物吸收。硫由水转化为微生物，作为微生物的营养和能量。

The sulfur in the aqueous solution diffuses into the biofilm and is absorbed by microorganisms under the promotion of concentration difference. Sulfur is converted from water to microorganisms as nutrition and energy for microorganisms.

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