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新型脱硫技能对比老练的脱硫技能有哪些长处?

时间:2020-02-01
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脱硫技能技能原理其反响的基本原理是将含H2S的沼气和含有化能自养型微生物的苏打水溶液进行触摸,H2S被碱性溶剂吸取后,经微生物催化生成元素硫或硫酸盐。生物反响器内首要下列反响如下:
The basic principle of the reaction is to touch the marsh gas containing H2S and the soda water solution containing the chemoautotrophic microorganism. After the H2S is absorbed by the alkaline solvent, the element sulfur or sulfate is generated by the microbial catalysis. The main reactions in the bioreactor are as follows:
现在,技能是全球对比老练的脱硫技能之一,它具有以下长处:
Now, technology is one of the world's more sophisticated desulfurization technologies, which has the following advantages:
(1)安全:全部【澳门皇冠金沙网站】系统是关闭运转的,而且沼气中的H2S被彻底吸取,在吸取器的下流没有游离的H2S,不会有中毒和伤亡事情,无环境污染。
(1) Safety: all biological desulfurization systems are closed and operated, and the H2S in the biogas is completely absorbed. There is no free H2S in the downflow of the absorber, no poisoning and casualties, and no environmental pollution.
(2)节省:该技能所要的出资少,其首要设备和仪器数量少。运转本钱低,出产所需的操作人员少,减少人力本钱;不需求化学催化剂,生物催化剂不会失活,它自动再生,无须替换,运转中所需化学药品少,节省出产本钱;该技能的操作本钱、保护费用均很低。
(2) Saving: the skill requires less investment, and the number of primary equipment and instruments is small. The operation cost is low, the production needs fewer operators, and the labor cost is reduced; without chemical catalyst, the biocatalyst will not be inactivated, it will regenerate automatically without replacement, and the operation needs less chemicals, saving the production cost; the operation cost and protection cost of this skill are very low.
沼气提纯
(3)高效:运用该技能确保脱硫后的天然气中H2S含量小于4ppmv;而且操作弹性大,习惯H2S浓度规模50ppmv~100vol.%,压力规模1~100barg,具有很高的灵活性,能习惯H2S顶峰负荷。
(3) High efficiency: use this technology to ensure that the content of H2S in the desulfurized natural gas is less than 4ppmv; and the operation flexibility is large. It is used to H2S concentration scale of 50ppmv-100vol.% and pressure scale of 1-100barg. It has high flexibility and can be used to the peak load of H2S.
该技能的技能流程简略,操控系统和监测系统很少,没有杂乱的操控回路,操作保护简略便利。适用于对含H2S浓度高的小型气田,更经济,效益非常好;而且运用该技能的设备功能稳定,技能牢靠,经济效益好。
The skill flow of the skill is simple, the control system and monitoring system are few, there is no disordered control circuit, and the operation and protection are simple and convenient. It is suitable for small gas fields with high concentration of H2S, which is more economical and has very good benefits. Moreover, the equipment using this skill has stable functions, reliable skills and good economic benefits.
3.2铁盐吸取【澳门皇冠金沙网站】技能技能原理
3.2 skill principle of iron salt absorption biological desulfurization
铁盐吸取【澳门皇冠金沙网站】的基本原理是在吸取期间H2S被Fe3+氧化成单质硫,然后在酸性条件下(pH=1.2~1.8)凭借氧化亚铁硫杆菌的代谢,将Fe2+转化Fe3+,并循环到吸取期间重复运用,有关反响如下:
The basic principle of biological desulfurization by iron salt absorption is that H2S is oxidized by Fe3 + to elemental sulfur during absorption, and then Fe2 + is transformed into Fe3 + by the metabolism of Thiobacillus ferrooxidans under acid conditions (pH = 1.2-1.8), which is recycled to the absorption period for repeated use, and the relevant repercussions are as follows:
具有相当高的氧化复原电位,可以将H2S转化为单质硫,又不能将单质硫进一步氧化为硫酸盐。所生成的单质硫经过别离后收回,然后的Fe2+又经过氧化亚铁硫杆菌代谢为Fe3+,并循环运用。因而,大多数研讨人员认为此办法能耗低、出资少、废物排放少,更合适沼气脱硫的进程。
With high oxidation recovery potential, H2S can be converted into elemental sulfur, but elemental sulfur can not be further oxidized into sulfate. The elemental sulfur is recovered after separation, and then Fe2 + is metabolized to Fe3 + by Thiobacillus ferrooxidans and recycled. Therefore, most researchers think that this method is more suitable for the process of biogas desulfurization because of its low energy consumption, less investment and less waste discharge.
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