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Photo-iss033e009153
International Space Station Imagery
Aki Hoshide with DKiV water pump and E-K pre-treat tank
high res (1.2 M) low res (86 K)
ISS033-E-009153 (2 Oct. 2012) --- Japan Aerospace Exploration Agency astronaut Aki Hoshide, Expedition 33 flight engineer, performs a removal and replacement of the DKiV water pump and the E-K pre-treat tank with its hose in the Tranquility node of the International Space Station. E-K contains five liters of pre-treat solution, i.e., a mix of H2SO4 (sulfuric acid), CrO3 (chromium oxide, for oxidation and purple color) and H2O (water). The pre-treat liquid is mixed with water in the DKiV dispenser and used for toilet flushing.

Curator: JSC PAO Web Team | Responsible NASA Official: Amiko Kauderer | Updated: 10/31/2012
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