By experiments in laboratory and field a washing method to restore well relieving effect was found.
由室内和现场洗井试验，探求了一种恢复减压井效用的方法。
The composition of chemical cleaning agent, washing scheme, washing method as well as its effect were introduced.
介绍了清洗剂的组成，清洗的流程、方法及效果。
Results show that the bigger particle size in preparation of CWS and coal washing, as well as the lower combustion temperature have suppressing effect for emission of trace elements.
结果表明，制浆过程中洗煤、煤浆颗粒的较大体积和燃烧温度较低等对燃烧过程中痕量元素的排放具有一定的抑制作用。
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