来自于英国拉夫堡大学的AndrewCotton，正在制作一种将会从排泄物中回收水和盐的便桶。

M. Sohail, from Loughborough University in the UK, is making a toilet that will "recover water and salt from feces and urine."

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同样地，盐增加钙排泄的人体。

Similarly, salt increases calcium excretion in human body.

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实验结果提示：羧甲基壳聚糖铋盐主要经粪便排泄，少量被降解吸收。

The result suggests that CM-Chitosan-Bismuth is mainly excreted by dejection, only a few is absorbed.

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