FIELD: chemistry.
SUBSTANCE: device includes an airtight container (301) and a heater (305). The airtight container is designed to contain liquid. At least, a portion of the container consists of a filtration membrane (303). The heater is designed to heat the liquid in such a way that liquid is expelled from the container through the filtration membrane. The heater can actively increase pressure in the container by heating the liquid and/or gas in the container. In some cases, some liquid that is contained in the airtight container can evaporate, which also increases pressure in the container. At increased pressure, the liquid can be easily expelled from the container, being purified by means of the filtration membrane, and the membrane can be more efficiently cleaned by bubbles that are released from the heater.
EFFECT: improving filtration efficiency and ability to control filtration efficiency depending on variety of applications, increasing service life of the membrane.
9 cl, 4 dwg
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