METHOD Under the same conditions of microwave power and extraction time, methanol, alcohol, toluene, acetone and hexamethylene were used as the extractant to carry out intermittent extraction.
方法在微波功率和萃取时间一定的条件下，分别选用有机溶剂甲醇、乙醇、甲苯、丙酮及环己烷为提取剂，进行间歇性提取。
After being removed the organic sulfur, the samples are treated with the method of toluene-heated extraction.
经脱除有机硫化物处理后的废脱硫剂样品再经甲苯抽提回收单质硫。
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