该制备过程产品的最终得率为75%。
采用该方法皂素的最终得率接近于纯硫酸水解时的得率。
By adopting the method, the final yield of saponin is close to the yield in pure sulfuric acid hydrolysis.
从而在反应催化剂的选择上，使聚合解聚二个反应趋于最优，反应最终得率达到90 %以上。
By the way of catalysts selection, the polymerization and Depolymerization were stable and output achieve 90%.
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