The experimental result showed that the total yield of allantoin can be obviously increased by recycling the reaction mother solution once.
实验表明，将反应后分离出尿囊素的母液循环利用一次可明显提高尿囊素的总收率。
By imitating mother solution the raw materials were reduced and the yield was increased.
通过母液套用，降低了原材料消耗，提高了产品收率。
In the cleaner production of MSG, the four effect evaporation system was used to concentrate the glutamic acid isoelectric mother solution.
在味精清洁生产工艺中，利用四效蒸发技术来浓缩谷氨酸等电结晶母液，所得的蒸发凝结水因COD值稍高而不能直接排放。
Extraction method of treating oxytetracycline crystallizing mother solution was simple and good for economic performance and environmental protection.
萃取法处理土霉素结晶母液工艺简单、效率高，具有良好的经济和环境效益。
Extraction method of treating oxytetracycline crystallizing mother solution was simple and good for economic performance and environmental protection.
萃取法处理土霉素结晶母液工艺简单、效率高，具有良好的经济和环境效益。
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