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US 12,202,750 B2Granted
Waste liquid treatment composition and waste liquid treatment method
AssigneeDaiken Medical Co., Ltd.
InventorsMasayuki Uruma, Satoru Toyoshima
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Abstract
One aspect of the present invention relates to a waste liquid treatment composition for treating a waste liquid containing a body fluid to separate the waste liquid into a supernatant and an aggregate in a container. The waste liquid treatment composition comprises: a solid flocculant having at least one group selected from the group consisting of an OH group, an NH group, and an FH group; and a solid compound having at least one group selected from the group consisting of an OH group, an NH group, and an FH group.
Claims12
A waste liquid treatment method comprising:
- a separation step of housing a waste liquid containing blood and a body fluid in a container, and charging a waste liquid treatment composition into the waste liquid in the container, followed by stirring from 4 minutes to 10 minutes to separate the waste liquid into a supernatant and an aggregate;
- and
- a step of discarding the supernatant through a filter, wherein
- the waste liquid treatment composition is for treating the waste liquid to separate the waste liquid into the supernatant and the aggregate in the container, and
- the waste liquid treatment composition comprises a solid flocculant, which is at least one selected from the group consisting of a cationic polymer flocculant and an amphoteric polymer flocculant, and a solid compound, which is a boron-containing compound.
2 more elements
Dependencies are inferred from the claim text.