CAPTURE AND REMOVAL OF TARGETED GAS

WIPO Patent Application WO/2016/207331

A3

Apparatus and methods are disclosed herein for capturing targeted gas in air. An air purification apparatus (110) is presented comprising: a targeted gas capture chamber (120) with an air inlet (118) and an air-permeable wall (122) configured to at least partially capture a targeted gas from air that passes into the air inlet and through the air-permeable wall; and a targeted gas removal unit (126) that is periodically positionable adjacent to the air-permeable wall of the targeted gas capture chamber to at least partially remove, e.g., via adsorption, the targeted gas captured by the air-permeable wall. Further, an air purification apparatus is presented that comprises: a targeted gas capture chamber (120) with an air inlet (118) and an air-permeable wall (122) configured to at least partially capture a targeted gas from air that passes into the air inlet and through the air-permeable wall; a valve (116, 516) that is operable to permit air to flow into the targeted gas capture chamber (120, 520); and a controller (114) operably coupled with the valve and configured to make a determination, based on a signal indicative of a level of the targeted gas detected in the air, that a threshold level of targeted gas is detected in the air, and to open the valve to permit air flow into the targeted gas capture chamber (120, 520) based on the determination.

HILBIG RAINER (NL)
KOERBER ACHIM GERHARD ROLF (NL)
GRUHLKE STEFAN WILLI JULIUS (NL)
SU SHELLY (NL)

PCT/EP2016/064639

February 09, 2017

June 24, 2016

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KONINKLIJKE PHILIPS NV (NL)

B01D53/04; F24F11/00

WO2009034960A1	2009-03-19
WO2015103401A1	2015-07-09
WO1996023177A1	1996-08-01

EP2433699A1	2012-03-28
US20130178987A1	2013-07-11
US5279609A	1994-01-18

FREEKE, Arnold Jan et al. (NL)

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