The separated solvent vapour is cooled and recycled back to the extractor for reuse, which can improve the solventefficiency.
分离出的溶剂汽体进行冷凝冷却回收后送回浸出器再次使用，提高溶剂的使用效率。
2
The new enzymes increase the efficiency, by a factor of 100, of a solvent used to capture carbon dioxide. This promises to decrease the energy needed to capture and store the greenhouse gas.