低浓度的煤炭，如亚煤烟煤和褐煤等，其含水量最高可达50%。

Less dense types, such as sub-bituminous and lignite coal, can contain up to 50% water.

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采用美国测量燃煤烟气中汞浓度的标准方法——安大略法，对某220 MW“W”型煤粉锅炉系统中烟气经过ESP前后的汞浓度进行现场测试和分析。

The Ontario Hydro Method(OHM)was used for the in-situ mercury measurement and analysis of the mercury concentration in the flue gas flowing through the ESP in a 220 MW W-type pulverized coal furnace.

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