1. The desulfurizer should be iron oxide, and the space velocity of desulfurizer should be 200 H-1 ~ 400 H-1;
2 .沼气初次通过脱硫剂每米床层时的压力降应小于100Pa；
2. The pressure drop of biogas passing through the desulfurizer bed for the first time should be less than 100Pa;
3 .每层颗粒状脱硫剂装填高度宜为1．0m～1．4m；
3. The filling height of each layer of granular desulfurizer should be 1.0m ~ 1.4m;
4 .沼气通过颗粒状脱硫剂的线速度宜为0．020m／s～0．025m／s；
4. The linear velocity of biogas passing through granular desulfurizer should be 0.020m/s ~ 0.025m/s;
5 .脱硫塔的操作温度应为25℃～35℃，寒冷地区的脱硫设施应有保温或采暖措施；
5. The operating temperature of desulfurization tower should be 25 ℃ ~ 35 ℃. Thermal insulation or heating measures should be taken for desulfurization facilities in cold areas;
6 .脱硫塔底部的低处应设置排污阀；
6. Blowdown valve should be set at the bottom of desulfurization tower;
7 .每台脱硫装置应有独立的放散管；
7. Each desulfurization unit shall have an independent vent pipe;
8 .脱硫剂在塔内再生时应设置进空气管，在线再生时，宜配备在线氧监控系统。
8. When the desulfurizer is regenerated in the tower, the air inlet pipe should be set. When the desulfurizer is regenerated online, the online oxygen monitoring system should be equipped.
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