沼氣生物脫硫是20世紀(jì)90年代發(fā)展起來的新技術(shù)，又稱生物催化脫硫(簡稱BDS)，是一種在常溫常壓下利用需氧、厭氧菌除去石油含硫雜環(huán)化合物中結(jié)合硫的一種新技術(shù)。
Biogas biological desulfurization is a new technology developed in the 1990s, also known as biological catalytic desulfurization (BDS). It is a new technology that uses aerobic and anaerobic bacteria to remove bound sulfur from petroleum sulfur-containing heterocyclic compounds at normal temperature and pressure.
沼氣脫硫—酸法生物脫硫工藝
Biogas desulfurization - acid biological desulfurization process
盈和瑞酸法生物脫硫其反應(yīng)方程式如下：
The reaction equation of Yinghe Rui acid biological desulfurization is as follows:
H2S+2O2 →H2SO4
H2S+2O2 →H2SO4
2H2S+O2 →2S+2H2O
2H2S+O2 →2S+2H2O
生物脫硫的特點
Characteristics of biological desulfurization
①率： 硫化氫去除率高達98.5%
① High efficiency: hydrogen sulfide removal rate up to 98.5%
②高適應(yīng)范圍： 可處理硫化氫濃度高達1.5% （15000ppm）
② High adaptation range: it can handle hydrogen sulfide concentration up to 1.5% (15000ppm)
③低成本： 與其它脫硫技術(shù)相比，運行成本低
③ Low cost: compared with other desulfurization technologies, the operation cost is low
④高安全性: 設(shè)有多重的安全保護裝置
④ High security: equipped with multiple safety protection devices
⑤無人值守： 系統(tǒng)通過在線監(jiān)測系統(tǒng)全自動運行
⑤ Unattended: the system operates automatically through the online monitoring system
⑤維護簡單： 少量的維護工作
⑤ Simple maintenance: a small amount of maintenance work
沼氣脫硫器脫水、除雜、緩沖工藝 ：
Dehydration, impurity removal and buffer process of biogas desulfurizer:
增壓后的沼氣進入緩沖罐，實現(xiàn)氣液固的分離，以滿足對發(fā)電機組的平穩(wěn)供氣，保證發(fā)電機組的、運行。 分離出來的水和微粒通過重力的作用沉降到緩沖罐底部，同時部分溶解于水中的雜質(zhì)氣體等隨水從緩沖罐底部排出。凈化后的氣體從頂部出來進入發(fā)電機組
The pressurized biogas enters the buffer tank to realize the separation of gas, liquid and solid, so as to meet the stable gas supply to the generator unit and ensure the and operation of the generator unit. The separated water and particles are settled to the bottom of the buffer tank by gravity, and at the same time, the impurity gas partially dissolved in the water is discharged from the bottom of the buffer tank with the water. Purified gas enters the generator set from the top
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