1. Before the raw materials for gas production are livestock manure, kitchen waste, landfill leachate and other biogas that can produce dust, biogas dust removal pretreatment shall be carried out. The pretreatment equipment includes gas washing tower (wet) and dust removal tower (dry).
2.生物脫硫的水源如果是地下水等含鹽量較大時，應對自來水增設軟化水裝置。
2. If the water source for biological desulfurization is groundwater with large salt content, a softened water device shall be added to the tap water.
3. When there is a large amount of ammonia in the pretreated biogas, if Party A requires treatment, appropriate hydrochloric acid or sulfuric acid can be put into the circulating water in the wet gas washing system, and the acidic circulating water can absorb ammonia. When the circulating water of the gas washing system is close to saturation, it should be discharged in time and replaced with circulating water.
4.當預處理沼氣溫度在40度以上時，沼氣在生物脫硫前，應做降溫處理。降溫下降到35度以下為宜。
4. When the temperature of pretreated biogas is above 40 ℃, the biogas shall be cooled before biological desulfurization. The temperature should drop below 35 degrees.
5.當預處理沼氣的壓力小于3Kpa時，沼氣在生物脫硫之前，應對沼氣進行增壓，增壓到3kpa以上。
5. When the pressure of pretreated biogas is less than 3kpa, the biogas shall be pressurized to more than 3kpa before biological desulfurization.
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2022-05-26
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