分析了精炼废碱液回收至脱硫岗位应用的可行性，叙述了技术改造措施。
An analysis is made of the feasibility of the recovery of spent lye from final purification for use in the desulfurization section, and a description is given of the measures of technical renovation.
实验结果表明：苦豆子盐酸提取物的超滤和稀释过滤能有效除去蛋白质和其他不纯物，透过液中总生物碱的回收率高。
The results showed that the ultrafiltration with discontinuous diafiltration could effectively remove proteins and other impurities. The recovery ratio of alkaloid from the permeate was high.
介绍了一种从环己烷氧化废碱液中回收高价值有机酸的新方法。
A new process for recovering valuable organic acids from waste alkali liquor in cyclohexane oxidation is introduced.
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