Meanwhile, an effective method of obtaining acidic components from heavy oil by solvent extraction was provided and the suitable extraction condition was explored.
同时建立了一种有效的溶剂萃取、浓缩超稠油中酸性组分的分离方法，并探讨了适宜的萃取条件。
2
Processing of spent fuel with high burn-up should take special measure in order to avoid heavy radiolytic degradation of the solvent and the criticality of plutonium.
当处理高燃耗的乏燃料时，应采取特别措施，以避免造成溶剂的严重辐解和钚的临界问题。
3
The prior method uses an organic solvent with higher boiling point and larger polarity, so unit consumption and energy consumption of raw materials are increased and heavy odor is caused;